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Eclipse+Java+Swing+Mysql实现员工工资管理系统

一、系统介绍

1.开发环境

开发工具:Eclipse2021

JDK版本:jdk1.8

Mysql版本:8.0.13

2.技术选型

Java+Swing+Mysql

3.系统功能

1.用户匿名登录系统,查询工资信息;

2.管理员登录登出系统;

3.管理员增加员工信息,修改员工信息,删除员工信息;

3.管理员增加部门信息,修改部门信息,删除部门信息;

4.管理员查询员工工资,添加员工工资;

4.数据库

/*
 Navicat Premium Data Transfer

 Source Server         : MySQL
 Source Server Type    : MySQL
 Source Server Version : 80013
 Source Host           : 127.0.0.1:3306
 Source Schema         : swing_salary_management

 Target Server Type    : MySQL
 Target Server Version : 80013
 File Encoding         : 65001

 Date: 23/12/2021 21:19:54
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for department
-- ----------------------------
DROP TABLE IF EXISTS `department`;
CREATE TABLE `department`  (
  `ID` varchar(20) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `Name` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `Director` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `Number` int(16) NOT NULL,
  PRIMARY KEY (`ID`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_unicode_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of department
-- ----------------------------
INSERT INTO `department` VALUES ('ks001', '经理室', '赢政', 10);
INSERT INTO `department` VALUES ('ks002', '财务室', '刘邦', 6);
INSERT INTO `department` VALUES ('ks003', '军机部', '李鸿章', 6);
INSERT INTO `department` VALUES ('ks004', '外交部', '张仪', 8);
INSERT INTO `department` VALUES ('ks005', '技术科', '朱元璋', 10);
INSERT INTO `department` VALUES ('ks006', '董事会', '李世民', 10);

-- ----------------------------
-- Table structure for employee
-- ----------------------------
DROP TABLE IF EXISTS `employee`;
CREATE TABLE `employee`  (
  `ID` varchar(10) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `name` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `sex` char(2) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `age` int(6) NOT NULL,
  `department` varchar(50) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `position` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `phone` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL DEFAULT NULL,
  `time` datetime(0) NULL DEFAULT NULL,
  `address` varchar(50) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL DEFAULT NULL,
  PRIMARY KEY (`ID`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_unicode_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of employee
-- ----------------------------
INSERT INTO `employee` VALUES ('0001', '赢政', '男', 37, '经理室', '经理', '10086', '0201-01-01 00:00:00', '咸阳');
INSERT INTO `employee` VALUES ('0002', '刘邦', '男', 40, '技术科', '技术长', '10087910', '2001-05-06 00:00:00', '长安');
INSERT INTO `employee` VALUES ('0003', '武则天', '女', 30, '财务室', '经理', '10088', '1999-08-07 00:00:00', '长安');
INSERT INTO `employee` VALUES ('0004', '刘秀', '男', 46, '军机部', '副部长', '123548788', '2013-05-07 00:00:00', '桂林');
INSERT INTO `employee` VALUES ('0005', '西施', '女', 23, '财务室', '会计', '10089', '2001-02-03 00:00:00', '越国');
INSERT INTO `employee` VALUES ('0006', '李清照', '女', 25, '财务室', '出纳', '125478', '2012-03-04 00:00:00', '宋国');
INSERT INTO `employee` VALUES ('0007', '杨玉环', '女', 29, '财务室', '会计', '125478', '2010-02-04 00:00:00', '长安');
INSERT INTO `employee` VALUES ('0008', '孙权', '男', 35, '外交部', '部长', '150478', '2005-05-04 00:00:00', '江东');
INSERT INTO `employee` VALUES ('0009', '李世民', '男', 54, '董事会', '会长', '100865', '1998-05-08 00:00:00', '西安');
INSERT INTO `employee` VALUES ('0010', '项羽', '男', 40, '经理室', '副经理', '1008670', '2000-02-05 00:00:00', '彭城');
INSERT INTO `employee` VALUES ('0011', '李鸿章', '男', 52, '军机部', '部长', '1008699', '2001-05-08 00:00:00', '北京');
INSERT INTO `employee` VALUES ('0012', '张仪', '男', 44, '外交部', '部长', '10089', '2002-02-04 00:00:00', '魏国');
INSERT INTO `employee` VALUES ('0013', '朱元璋', '男', 35, '技术科', '部长', '100896', '2013-05-07 00:00:00', '南京');
INSERT INTO `employee` VALUES ('0014', '貂蝉', '女', 25, '经理室', '助理', '10086972', '2005-05-04 00:00:00', '洛阳');
INSERT INTO `employee` VALUES ('0015', '李渊', '男', 55, '董事会', '董事', '25897', '2001-02-05 00:00:00', '长安');
INSERT INTO `employee` VALUES ('0016', '1', '男', 1, '经理室', '1', '1', '2001-02-05 00:00:00', '2');

-- ----------------------------
-- Table structure for salary
-- ----------------------------
DROP TABLE IF EXISTS `salary`;
CREATE TABLE `salary`  (
  `salaryID` int(4) NOT NULL AUTO_INCREMENT,
  `ID` varchar(10) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `name` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL DEFAULT NULL,
  `basepay` int(10) NULL DEFAULT NULL,
  `welfare` int(10) NULL DEFAULT NULL,
  `reward` int(10) NULL DEFAULT NULL,
  `insurance` int(10) NULL DEFAULT NULL,
  `funds` int(10) NULL DEFAULT NULL,
  `month` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `remark` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`salaryID`, `ID`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 42 CHARACTER SET = utf8 COLLATE = utf8_unicode_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of salary
-- ----------------------------
INSERT INTO `salary` VALUES (1, '0001', '赢政', 3000, 100, 100, 100, 500, '1月', '未结算');
INSERT INTO `salary` VALUES (13, '0002', '刘邦', 3000, 200, 100, 100, 400, '1月', '未结算');
INSERT INTO `salary` VALUES (15, '0003', '武则天', 2500, 100, 200, 100, 300, '1月', '未结算');
INSERT INTO `salary` VALUES (16, '0004', '刘秀', 2900, 100, 150, 250, 200, '1月', '未结算');
INSERT INTO `salary` VALUES (17, '0005', '西施', 2800, 100, 100, 100, 300, '1月', '未结算');
INSERT INTO `salary` VALUES (18, '0006', '李清照', 2700, 120, 150, 100, 300, '1月', '未结算');
INSERT INTO `salary` VALUES (19, '0007', '杨玉环', 2680, 200, 150, 100, 300, '1月', '未结算');
INSERT INTO `salary` VALUES (20, '0008', '孙权', 2900, 100, 200, 100, 500, '1月', '未结算');
INSERT INTO `salary` VALUES (21, '0009', '李世民', 2870, 200, 100, 100, 300, '1月', '未结算');
INSERT INTO `salary` VALUES (22, '0010', '项羽', 2600, 200, 100, 100, 300, '1月', '未结算');
INSERT INTO `salary` VALUES (23, '0011', '李鸿章', 2800, 200, 100, 100, 300, '1月', '未结算');
INSERT INTO `salary` VALUES (24, '0012', '张仪', 2900, 200, 150, 100, 500, '1月', '未结算');
INSERT INTO `salary` VALUES (25, '0013', '朱元璋', 2600, 250, 200, 100, 400, '1月', '未结算');
INSERT INTO `salary` VALUES (26, '0001', '赢政', 3000, 100, 200, 100, 300, '2月', '未结算');
INSERT INTO `salary` VALUES (27, '0001', '赢政', 3000, 250, 200, 100, 400, '3月', '未结算');
INSERT INTO `salary` VALUES (28, '0002', '刘邦', 3000, 250, 150, 100, 400, '2月', '未结算');
INSERT INTO `salary` VALUES (29, '0002', '刘邦', 3000, 300, 150, 100, 500, '3月', '未结算');
INSERT INTO `salary` VALUES (30, '0003', '武则天', 2900, 200, 150, 100, 300, '2月', '未结算');
INSERT INTO `salary` VALUES (31, '0003', '武则天', 2800, 250, 120, 100, 500, '3月', '未结算');
INSERT INTO `salary` VALUES (33, '0004', '刘秀', 2580, 500, 200, 100, 300, '2月', '未结算');
INSERT INTO `salary` VALUES (35, '0004', '刘秀', 2900, 200, 150, 100, 300, '3月', '未结算');
INSERT INTO `salary` VALUES (37, '0005', '西施', 2900, 200, 100, 100, 300, '2月', '未结算');
INSERT INTO `salary` VALUES (39, '0005', '西施', 2800, 200, 150, 100, 300, '3月', '未结算');
INSERT INTO `salary` VALUES (40, '0006', '李清照', 2900, 200, 100, 100, 300, '2月', '未结算');
INSERT INTO `salary` VALUES (41, '0006', '李清照', 2900, 200, 100, 100, 300, '3月', '未结算');

-- ----------------------------
-- Table structure for userlist
-- ----------------------------
DROP TABLE IF EXISTS `userlist`;
CREATE TABLE `userlist`  (
  `status` varchar(20) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `username` varchar(20) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `password` varchar(20) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`username`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_unicode_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of userlist
-- ----------------------------
INSERT INTO `userlist` VALUES ('管理员', 'admin', 'admin');

-- ----------------------------
-- Table structure for view_salary
-- ----------------------------
DROP TABLE IF EXISTS `view_salary`;
CREATE TABLE `view_salary`  (
  `ID` int(10) NOT NULL AUTO_INCREMENT,
  `工号` varchar(10) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `姓名` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL DEFAULT NULL,
  `部门` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL DEFAULT NULL,
  `职位` varchar(25) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL DEFAULT NULL,
  `总工资` int(10) NULL DEFAULT NULL,
  `月份` varchar(10) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `备注` varchar(10) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY (`ID`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 42 CHARACTER SET = utf8 COLLATE = utf8_unicode_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of view_salary
-- ----------------------------
INSERT INTO `view_salary` VALUES (1, '0001', '赢政', '经理室', '经理', 2600, '1月', '未结算');
INSERT INTO `view_salary` VALUES (9, '0002', '刘邦', '技术室', '技术长', 2800, '1月', '未结算');
INSERT INTO `view_salary` VALUES (11, '0003', '武则天', '财务室', '经理', 2400, '1月', '未结算');
INSERT INTO `view_salary` VALUES (12, '0004', '刘秀', '军机部', '大王', 2700, '1月', '未结算');
INSERT INTO `view_salary` VALUES (13, '0005', '西施', '财务室', '会计', 2600, '1月', '未结算');
INSERT INTO `view_salary` VALUES (14, '0006', '李清照', '财务室', '出纳', 2570, '1月', '未结算');
INSERT INTO `view_salary` VALUES (15, '0007', '杨玉环', '财务室', '会计', 2630, '1月', '未结算');
INSERT INTO `view_salary` VALUES (16, '0008', '孙权', '外交部', '部长', 2600, '1月', '未结算');
INSERT INTO `view_salary` VALUES (17, '0009', '李世民', '董事会', '会长', 2770, '1月', '未结算');
INSERT INTO `view_salary` VALUES (18, '0010', '项羽', '经理室', '副经理', 2500, '1月', '未结算');
INSERT INTO `view_salary` VALUES (19, '0011', '李鸿章', '军机部', '部长', 2700, '1月', '未结算');
INSERT INTO `view_salary` VALUES (20, '0012', '张仪', '外交部', '部长', 2650, '1月', '未结算');
INSERT INTO `view_salary` VALUES (21, '0013', '朱元璋', '技术科', '部长', 2550, '1月', '未结算');
INSERT INTO `view_salary` VALUES (22, '0001', '赢政', '经理室', '经理', 2900, '2月', '未结算');
INSERT INTO `view_salary` VALUES (23, '0001', '赢政', '经理室', '经理', 2950, '3月', '未结算');
INSERT INTO `view_salary` VALUES (24, '0002', '刘邦', '技术室', '技术长', 2900, '2月', '未结算');
INSERT INTO `view_salary` VALUES (25, '0002', '刘邦', '技术室', '技术长', 2850, '3月', '未结算');
INSERT INTO `view_salary` VALUES (26, '0003', '武则天', '财务室', '经理', 2850, '2月', '未结算');
INSERT INTO `view_salary` VALUES (27, '0003', '武则天', '财务室', '经理', 2570, '3月', '未结算');
INSERT INTO `view_salary` VALUES (35, '0004', '刘秀', '军机部', '副部长', 2850, '3月', '未结算');
INSERT INTO `view_salary` VALUES (36, '0004', '刘秀', '军机部', '副部长', 2750, '2月', '未结算');
INSERT INTO `view_salary` VALUES (37, '0005', '西施', '财务室', '会计', 2800, '2月', '未结算');
INSERT INTO `view_salary` VALUES (39, '0005', '西施', '财务室', '会计', 2750, '3月', '未结算');
INSERT INTO `view_salary` VALUES (40, '0006', '李清照', '财务室', '出纳', 2800, '2月', '未结算');
INSERT INTO `view_salary` VALUES (41, '0006', '李清照', '财务室', '出纳', 2800, '3月', '未结算');
INSERT INTO `view_salary` VALUES (42, '0001', '赢政', '经理室', '经理', 1, '1月', '未结算');

SET FOREIGN_KEY_CHECKS = 1;

二、系统展示

1.登录系统

2.用户-登录系统

3.用户-查看工资

4.管理员-主界面

5.管理员-添加员工信息

6.管理员-修改员工信息

7.管理员-删除员工信息

8.管理员-添加部门信息

9.管理员-修改部门信息

10.管理员-删除部门信息

11.管理员-工资设定

12.管理员-工资查询

13.管理员-工资一览

三、部分代码

Login.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * Login.java
 *
 * Created on 2013-6-16, 21:34:00
 */

package com.sjsq;

import java.awt.Toolkit;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JOptionPane;

/**
 *
 * @author Administrator
 */
public class Login extends javax.swing.JFrame {

    static String status;
    static String name;

    private Toolkit tk = Toolkit.getDefaultToolkit();
    int x = tk.getScreenSize().width / 2 - 180;
    int y = tk.getScreenSize().height / 2 - 180;

    /** Creates new form Login */
    public Login() {
        initComponents();
        setLocation(x, y);
        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated
    // Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jComboBox1 = new javax.swing.JComboBox();
        username = new javax.swing.JTextField();
        jPasswordField1 = new javax.swing.JPasswordField();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jLabel4 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("登录界面");

        jComboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "管理员", "员工" }));
        jComboBox1.addItemListener(new ItemListener() {

            @Override
            public void itemStateChanged(ItemEvent e) {
                // TODO Auto-generated method stub
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if ("员工".equals(e.getItem())) {
                        jButton1.setText("查询工资");
                        jLabel2.hide();
                        username.hide();
                        jPasswordField1.hide();
                        jLabel3.hide();
                        jPasswordField1.hide();
                    } else {
                        jButton1.setText("登录");
                        jLabel2.show();
                        username.show();
                        jPasswordField1.show();
                        jLabel3.show();
                        jPasswordField1.show();
                    }

                }
            }
        });
        // username.setText("quan");

        jLabel1.setText("身份:");

        jLabel2.setText("账号:");

        jLabel3.setText("密码:");

        jButton1.setText("登录");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("退出");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jLabel4.setForeground(new java.awt.Color(255, 0, 0));
        jLabel4.setText("注:员工可以匿名登录");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout
                .createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout
                        .createSequentialGroup().addGap(80, 80, 80)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                .addComponent(jLabel1).addComponent(jLabel3).addComponent(jLabel2))
                        .addGap(18, 18, 18)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, 92,
                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGroup(layout.createSequentialGroup()
                                        .addGroup(layout
                                                .createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                                .addComponent(username, javax.swing.GroupLayout.Alignment.LEADING)
                                                .addComponent(jComboBox1, javax.swing.GroupLayout.Alignment.LEADING, 0,
                                                        javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                        .addGap(18, 18, 18).addComponent(jLabel4))))
                        .addGroup(layout.createSequentialGroup().addGap(110, 110, 110).addComponent(jButton1)
                                .addGap(39, 39, 39).addComponent(jButton2)))
                .addContainerGap(54, Short.MAX_VALUE)));
        layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup().addGap(65, 65, 65)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(jLabel1).addComponent(jLabel4))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(username, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(jLabel2))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel3).addComponent(jPasswordField1,
                                        javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
                                        javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(35, 35, 35)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jButton1).addComponent(jButton2))
                        .addContainerGap(102, Short.MAX_VALUE)));

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jButton1ActionPerformed
        // TODO add your handling code here:

        status = (String) jComboBox1.getSelectedItem();
        name = username.getText();
        String password = jPasswordField1.getText();

        if (status.equals("管理员")) {
            if (name.equals("")) {
                JOptionPane.showMessageDialog(null, "用户名不能为空!!");
            } else if (password.equals("")) {
                JOptionPane.showMessageDialog(null, "密码不能为空!!");
            } else {
                String sql = "select username from userlist where status = '" + status + "' and username = '" + name
                        + "' and password = '" + password + "'";
                // String sql = "select * from userlist";
                System.out.println(sql);
                DBConn db = new DBConn();
                if (db.Check(sql) != 0) {
                    new MainFrame().setVisible(true);
                    this.hide();
                } else {
                    JOptionPane.showMessageDialog(null, "用户名与密码不对!!");
                }
            }
        } else {
            new SalarySearch().setVisible(true);
        }
    }// GEN-LAST:event_jButton1ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jButton2ActionPerformed
        // TODO add your handling code here:
        int selection = JOptionPane.showConfirmDialog(this, "是否退出?", "退出提示", JOptionPane.OK_CANCEL_OPTION,
                JOptionPane.WARNING_MESSAGE);
        if (selection == JOptionPane.OK_OPTION) {
            System.exit(0);
        }
    }// GEN-LAST:event_jButton2ActionPerformed

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Login().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPasswordField jPasswordField1;
    private javax.swing.JTextField username;
    // End of variables declaration//GEN-END:variables

}

MainFrame.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * MainFrame.java
 *
 * Created on 2013-6-18, 22:12:20
 */

package com.sjsq;

import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import javax.swing.JOptionPane;

/**
 *
 * @author Administrator
 */
public class MainFrame extends javax.swing.JFrame {

    /** Creates new form MainFrame */
    private Toolkit tk = Toolkit.getDefaultToolkit();
    int x = tk.getScreenSize().width / 2 - 250;
    int y = tk.getScreenSize().height / 2 - 250;

    public MainFrame() {
        setTitle("工资管理系统");
        setLocation(x, y);
        initComponents();
        // this.setDefaultCloseOperation(MainFrame.DO_NOTHING_ON_CLOSE);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated
    // Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jColorChooser1 = new javax.swing.JColorChooser();
        jPanel1 = new javax.swing.JPanel() {
            protected void paintComponent(Graphics g) {
                super.paintComponent(g);
                Image img = Toolkit.getDefaultToolkit().getImage("src/resource/009.jpg");
                Graphics gg = g.create();
                gg.drawImage(img, 0, 0, getWidth(), getHeight(), this);
                gg.dispose();
            }
        };
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();
        jMenuItem2 = new javax.swing.JMenuItem();
        jMenuItem3 = new javax.swing.JMenuItem();
        jMenu2 = new javax.swing.JMenu();
        jMenuItem4 = new javax.swing.JMenuItem();
        jMenuItem5 = new javax.swing.JMenuItem();
        jMenuItem6 = new javax.swing.JMenuItem();
        jMenu3 = new javax.swing.JMenu();
        jMenuItem7 = new javax.swing.JMenuItem();
        jMenuItem8 = new javax.swing.JMenuItem();
        jMenuItem12 = new javax.swing.JMenuItem();
        jMenu4 = new javax.swing.JMenu();
        jMenuItem9 = new javax.swing.JMenuItem();
        jMenuItem10 = new javax.swing.JMenuItem();
        jMenuItem13 = new javax.swing.JMenuItem();
        jMenu5 = new javax.swing.JMenu();
        jMenuItem11 = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));

        jPanel1.addAncestorListener(new javax.swing.event.AncestorListener() {
            public void ancestorMoved(javax.swing.event.AncestorEvent evt) {
            }

            public void ancestorAdded(javax.swing.event.AncestorEvent evt) {
                jPanel1AncestorAdded(evt);
            }

            public void ancestorRemoved(javax.swing.event.AncestorEvent evt) {
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 637, Short.MAX_VALUE));
        jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGap(0, 365, Short.MAX_VALUE));

        jMenu1.setText("员工信息管理");
        jMenu1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu1ActionPerformed(evt);
            }
        });

        jMenuItem1.setAccelerator(
                javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_A, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem1.setText("添加员工信息");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem1);

        jMenuItem2.setAccelerator(
                javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_M, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem2.setText("修改员工信息");
        jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem2ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem2);

        jMenuItem3.setAccelerator(
                javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_D, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem3.setText("删除员工信息");
        jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem3ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem3);

        jMenuBar1.add(jMenu1);

        jMenu2.setText("部门信息管理");

        jMenuItem4.setText("新增部门信息");
        jMenuItem4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem4ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem4);

        jMenuItem5.setText("修改部门信息");
        jMenuItem5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem5ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem5);

        jMenuItem6.setText("删除部门信息");
        jMenuItem6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem6ActionPerformed(evt);
            }
        });
        jMenu2.add(jMenuItem6);

        jMenuBar1.add(jMenu2);

        jMenu3.setText("员工工资设定");

        jMenuItem7.setText("工资设定");
        jMenuItem7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem7ActionPerformed(evt);
            }
        });
        jMenu3.add(jMenuItem7);

        jMenuItem8.setText("工资查询");
        jMenuItem8.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem8ActionPerformed(evt);
            }
        });
        jMenu3.add(jMenuItem8);

        jMenuItem12.setText("工资一览表");
        jMenuItem12.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem12ActionPerformed(evt);
            }
        });
        jMenu3.add(jMenuItem12);

        jMenuBar1.add(jMenu3);

        jMenu4.setText("系统设置");

        jMenuItem9.setText("信息统计");
        jMenuItem9.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem9ActionPerformed(evt);
            }
        });
        jMenu4.add(jMenuItem9);

        jMenuItem10.setText("修改密码");
        jMenuItem10.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem10ActionPerformed(evt);
            }
        });
        jMenu4.add(jMenuItem10);

        jMenuItem13.setText("添加管理员");
        jMenuItem13.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem13ActionPerformed(evt);
            }
        });
        jMenu4.add(jMenuItem13);

        jMenuBar1.add(jMenu4);

        jMenu5.setText("退出系统");
        jMenu5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu5ActionPerformed(evt);
            }
        });

        jMenuItem11.setText("退出本系统");
        jMenuItem11.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem11ActionPerformed(evt);
            }
        });
        jMenu5.add(jMenuItem11);

        jMenuBar1.add(jMenu5);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(
                jPanel1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE,
                javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE));
        layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(
                jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE));

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem1ActionPerformed
        // TODO add your handling code here:
        new AddEmployee().setVisible(true);
    }// GEN-LAST:event_jMenuItem1ActionPerformed

    private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem2ActionPerformed
        // TODO add your handling code here:
        new ModifyEmployee().setVisible(true);
    }// GEN-LAST:event_jMenuItem2ActionPerformed

    private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem3ActionPerformed
        // TODO add your handling code here:
        new DeleteEmployee().setVisible(true);
    }// GEN-LAST:event_jMenuItem3ActionPerformed

    private void jMenuItem4ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem4ActionPerformed
        // TODO add your handling code here:
        new AddDepartment().setVisible(true);
    }// GEN-LAST:event_jMenuItem4ActionPerformed

    private void jMenuItem5ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem5ActionPerformed
        // TODO add your handling code here:
        new ModifyDepartment().setVisible(true);
    }// GEN-LAST:event_jMenuItem5ActionPerformed

    private void jMenuItem6ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem6ActionPerformed
        // TODO add your handling code here:
        new DeleteDepartment().setVisible(true);
    }// GEN-LAST:event_jMenuItem6ActionPerformed

    private void jMenuItem7ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem7ActionPerformed
        // TODO add your handling code here:
        new SalarySetting().setVisible(true);
    }// GEN-LAST:event_jMenuItem7ActionPerformed

    private void jMenuItem8ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem8ActionPerformed
        // TODO add your handling code here:
        new SalarySearch().setVisible(true);
    }// GEN-LAST:event_jMenuItem8ActionPerformed

    private void jMenuItem9ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem9ActionPerformed
        // TODO add your handling code here:
        new Statistics().setVisible(true);
    }// GEN-LAST:event_jMenuItem9ActionPerformed

    private void jMenuItem10ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem10ActionPerformed
        // TODO add your handling code here:
        new ModifyPassWord().setVisible(true);
    }// GEN-LAST:event_jMenuItem10ActionPerformed

    private void jMenuItem11ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem11ActionPerformed
        // TODO add your handling code here:
        int option = JOptionPane.showConfirmDialog(null, "确定要退出本系统?", "系统提示", JOptionPane.YES_NO_OPTION);
        if (option == JOptionPane.YES_OPTION)
            System.exit(0);
        else
            this.setDefaultCloseOperation(MainFrame.DO_NOTHING_ON_CLOSE);
    }// GEN-LAST:event_jMenuItem11ActionPerformed

    private void jMenuItem12ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem12ActionPerformed
        // TODO add your handling code here:
        new SalaryShow().setVisible(true);
    }// GEN-LAST:event_jMenuItem12ActionPerformed

    private void jMenuItem13ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenuItem13ActionPerformed
        // TODO add your handling code here:
        new NewManager().setVisible(true);
    }// GEN-LAST:event_jMenuItem13ActionPerformed

    private void jMenu5ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenu5ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jMenu5ActionPerformed

    private void jPanel1AncestorAdded(javax.swing.event.AncestorEvent evt) {// GEN-FIRST:event_jPanel1AncestorAdded
        // TODO add your handling code here:
    }// GEN-LAST:event_jPanel1AncestorAdded

    private void jMenu1ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jMenu1ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jMenu1ActionPerformed

    /**
     * @param args the command line arguments
     */
    /*
     * public static void main(String args[]) { java.awt.EventQueue.invokeLater(new
     * Runnable() { public void run() { new MainFrame().setVisible(true); } }); }
     */
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JColorChooser jColorChooser1;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenu jMenu2;
    private javax.swing.JMenu jMenu3;
    private javax.swing.JMenu jMenu4;
    private javax.swing.JMenu jMenu5;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JMenuItem jMenuItem10;
    private javax.swing.JMenuItem jMenuItem11;
    private javax.swing.JMenuItem jMenuItem12;
    private javax.swing.JMenuItem jMenuItem13;
    private javax.swing.JMenuItem jMenuItem2;
    private javax.swing.JMenuItem jMenuItem3;
    private javax.swing.JMenuItem jMenuItem4;
    private javax.swing.JMenuItem jMenuItem5;
    private javax.swing.JMenuItem jMenuItem6;
    private javax.swing.JMenuItem jMenuItem7;
    private javax.swing.JMenuItem jMenuItem8;
    private javax.swing.JMenuItem jMenuItem9;
    private javax.swing.JPanel jPanel1;
    // End of variables declaration//GEN-END:variables

}

DBConn.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.sjsq;

import java.sql.*;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Administrator
 */
public class DBConn {

    private Connection conn = null;
    private Statement stmt = null;
    private ResultSet rs = null;
    String url = "jdbc:mysql://localhost/swing_salary_management?serverTimezone=UTC";
    String username = "root";
    String password = "admin";

    public DBConn() { // 构造方法

        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            // conn = DriverManager.getConnection(url,username,password);
        } catch (java.lang.ClassNotFoundException e) {
            System.err.println(e.getMessage());
        } // catch (SQLException ex) {
            // Logger.getLogger(DBConn.class.getName()).log(Level.SEVERE, null, ex);
            // }
    }

    public int Check(String sql) {
        // int result = 0;
        try {
            conn = DriverManager.getConnection(url, username, password);
            stmt = conn.createStatement();
            rs = stmt.executeQuery(sql);
            if (rs.next()) {
                return 1;
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return 0;
    }

    public ResultSet Search(String sql) { // 建立查询

        try {
            conn = DriverManager.getConnection(url, username, password);
            stmt = conn.createStatement();
            rs = stmt.executeQuery(sql);
        } catch (SQLException ex) {
            System.err.println(ex.getMessage());
        }
        return rs;
    }

    public int Update(String sql) { // 操作数据库

        int result = 0;
        try {
            conn = DriverManager.getConnection(url, username, password);
            stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
            result = stmt.executeUpdate(sql);
        } catch (SQLException ex) {
            result = 0;
        }
        return result;
    }

    /**
     * 关闭数据库连接
     */
    public void close() {
        try {
            if (rs != null) {
                rs.close();
            }
        } catch (Exception e) {
            e.printStackTrace(System.err);
        }

        try {
            if (stmt != null) {
                stmt.close();
            }
        } catch (Exception e) {
            e.printStackTrace(System.err);
        }

        try {
            if (conn != null) {
                conn.close();
            }
        } catch (Exception e) {
            e.printStackTrace(System.err);
        }
    }

}

AddDepartment.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * AddDepartment.java
 *
 * Created on 2013-6-22, 12:14:44
 */

package com.sjsq;

//import SQLConnection.DBConn;
import java.awt.Toolkit;
import javax.swing.JOptionPane;

/**
 *
 * @author Administrator
 */
public class AddDepartment extends javax.swing.JFrame {

    /** Creates new form AddDepartment */
    private Toolkit tk = Toolkit.getDefaultToolkit();
    int x = tk.getScreenSize().width / 2 - 100;
    int y = tk.getScreenSize().height / 2 - 100;

    public AddDepartment() {
        initComponents();
        setTitle("添加部门信息");
        setLocation(x, y);
        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated
    // Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jTextField2 = new javax.swing.JTextField();
        jTextField3 = new javax.swing.JTextField();
        jTextField4 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("部门信息"));

        jLabel1.setText("部门编号:");

        jLabel2.setText("部门名称:");

        jLabel3.setText("负责人:");

        jLabel4.setText("总人数:");

        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        jTextField2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField2ActionPerformed(evt);
            }
        });

        jTextField3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField3ActionPerformed(evt);
            }
        });

        jTextField4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField4ActionPerformed(evt);
            }
        });

        jButton1.setText("添加");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("取消");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup().addContainerGap().addGroup(jPanel1Layout
                        .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel1)
                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 70,
                                                javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel2)
                                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                        .addComponent(jTextField2))
                                .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel3).addGap(18, 18, 18)
                                        .addComponent(jTextField3)))
                        .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jButton1).addGap(18, 18, 18)
                                .addComponent(jButton2))
                        .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel4).addGap(18, 18, 18)
                                .addComponent(jTextField4)))
                        .addContainerGap(16, Short.MAX_VALUE)));
        jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup().addContainerGap()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel1).addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(18, 18, 18)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel2).addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(18, 18, 18)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel3).addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel4).addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(18, 18, 18)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jButton1).addComponent(jButton2))
                        .addContainerGap(18, Short.MAX_VALUE)));

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup().addGap(79, 79, 79)
                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE,
                                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap(145, Short.MAX_VALUE)));
        layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup().addGap(22, 22, 22)
                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE,
                                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap(54, Short.MAX_VALUE)));

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jButton1ActionPerformed
        // TODO add your handling code here:
        String strID = jTextField1.getText(); // 部门编号
        String strName = jTextField2.getText(); // 部门姓名
        String strDirector = jTextField3.getText(); // 负责人
        String strNumber = jTextField4.getText(); // 总人数

        if (strID.equals("")) {
            JOptionPane.showMessageDialog(null, "部门编号不能为空!");
        } else if (strName.equals("")) {
            JOptionPane.showMessageDialog(null, "部门名称不能为空!");
        } else if (strDirector.equals("")) {
            JOptionPane.showMessageDialog(null, "部门负责人不能为空!");
        } else {

            // int ID = Integer.parseInt(strID);
            int Number = Integer.parseInt(strNumber);
            String checksql = "select id from department where id = '" + strID + " '";
            System.out.println(checksql);
            DBConn db = new DBConn();

            if (db.Check(checksql) != 0) {
                JOptionPane.showMessageDialog(null, "该号已存在!!!");
            } else {
                String sql = "insert into department values('" + strID + "','" + strName + "','" + strDirector + "','"
                        + Number + "')";
                int result = db.Update(sql);
                if (result != 0) {
                    JOptionPane.showMessageDialog(null, "部门添加成功!!!");
                } else {
                    JOptionPane.showMessageDialog(null, "部门添加失败,请重新添加!");
                }
            }
        }
        jTextField1.setText("");
        jTextField2.setText("");
        jTextField3.setText("");
        jTextField4.setText("");
    }// GEN-LAST:event_jButton1ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jButton2ActionPerformed
        // TODO add your handling code here:
        jTextField1.setText("");
        jTextField2.setText("");
        jTextField3.setText("");
        jTextField4.setText("");
    }// GEN-LAST:event_jButton2ActionPerformed

    private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField1ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField1ActionPerformed

    private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField2ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField2ActionPerformed

    private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField3ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField3ActionPerformed

    private void jTextField4ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField4ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField4ActionPerformed

    /**
     * @param args the command line arguments
     * 
     *             public static void main(String args[]) {
     *             java.awt.EventQueue.invokeLater(new Runnable() { public void
     *             run() { new AddDepartment().setVisible(true); } }); }
     */

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    private javax.swing.JTextField jTextField4;
    // End of variables declaration//GEN-END:variables

}

AddEmployee.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * SecondGUI.java
 *
 * Created on 2013-6-19, 12:49:33
 */

package com.sjsq;

import java.awt.Toolkit;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Vector;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;

/**
 *
 * @author Administrator
 */
public class AddEmployee extends javax.swing.JFrame {

    /** Creates new form SecondGUI */
    private Toolkit tk = Toolkit.getDefaultToolkit();
    int x = tk.getScreenSize().width / 2 - 180;
    int y = tk.getScreenSize().height / 2 - 180;
    DefaultTableModel dm;
    DefaultComboBoxModel dcm;

    public AddEmployee() {
        initTable();
        initComboBox();
        initComponents();
        setTitle("添加员工");
        setLocation(x, y);
        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
    }

//初始化表格
    private void initTable() {
        try {
            String[] head = { "工号", "姓名", "性别", "年龄", "部门", "职位", "电话", "入厂时间", "住址" };
            Object obj[][] = new Object[0][0];
            dm = new DefaultTableModel(obj, head);

            String sql = "select id,name,sex,age,department,position,phone,time,address from employee";
            DBConn db = new DBConn();
            Vector v;
            System.out.println(sql);
            ResultSet rs = db.Search(sql);
            while (rs.next()) {
                v = new Vector();
                v.add(rs.getString(1));
                v.add(rs.getString(2));
                v.add(rs.getString(3));
                v.add(rs.getString(4));
                v.add(rs.getString(5));
                v.add(rs.getString(6));
                v.add(rs.getString(7));
                v.add(rs.getString(8));
                v.add(rs.getString(9));
                dm.addRow(v);
            }
            db.close();
        } catch (SQLException ex) {
            System.out.println(ex);
        }
    }

    /// 初始化下拉列表
    private void initComboBox() {
        Vector v = new Vector();
        DBConn db = new DBConn();
        try {
            ResultSet rs = db.Search("select distinct name from department");
            while (rs.next()) {
                v.addElement(rs.getString("name")); // 添加到向量尾部,大小加1
            }
            dcm = new DefaultComboBoxModel(v);
        } catch (SQLException ex) {
            ex.printStackTrace();
        } finally {
            db.close();
        }
    }

    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated
    // Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jTextField2 = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jRadioButton1 = new javax.swing.JRadioButton();
        jRadioButton2 = new javax.swing.JRadioButton();
        jLabel4 = new javax.swing.JLabel();
        jTextField3 = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        jComboBox1 = new javax.swing.JComboBox();
        jLabel6 = new javax.swing.JLabel();
        jTextField4 = new javax.swing.JTextField();
        jLabel7 = new javax.swing.JLabel();
        jTextField5 = new javax.swing.JTextField();
        jLabel8 = new javax.swing.JLabel();
        jTextField6 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jLabel9 = new javax.swing.JLabel();
        jTextField7 = new javax.swing.JTextField();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("员工信息"));

        jLabel1.setText("工号:");

        jLabel2.setText("姓名:");

        jTextField2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField2ActionPerformed(evt);
            }
        });

        jLabel3.setText("性别:");

        buttonGroup1.add(jRadioButton1);
        jRadioButton1.setSelected(true);
        jRadioButton1.setText("男");

        buttonGroup1.add(jRadioButton2);
        jRadioButton2.setText("女");

        jLabel4.setText("年龄:");

        jTextField3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField3ActionPerformed(evt);
            }
        });

        jLabel5.setText("所属部门:");

        jComboBox1.setModel(dcm);
        jComboBox1.setToolTipText("请选择");
        jComboBox1.setBorder(javax.swing.BorderFactory.createCompoundBorder());
        jComboBox1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jComboBox1ActionPerformed(evt);
            }
        });

        jLabel6.setText("职位:");

        jTextField4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField4ActionPerformed(evt);
            }
        });

        jLabel7.setText("联系方式:");

        jTextField5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField5ActionPerformed(evt);
            }
        });

        jLabel8.setText("住址:");

        jTextField6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField6ActionPerformed(evt);
            }
        });

        jButton1.setText("添加");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("取消");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jLabel9.setText("入厂时间:");

        jTextField7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField7ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup().addContainerGap().addGroup(jPanel1Layout
                        .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup().addGroup(jPanel1Layout
                                .createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING).addComponent(jButton1)
                                .addGroup(jPanel1Layout
                                        .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                        .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel1)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 82,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE))
                                        .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel2)
                                                .addGap(18, 18, 18).addComponent(jTextField2))
                                        .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel3)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                                .addComponent(jRadioButton1)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(jRadioButton2))
                                        .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel4)
                                                .addGap(18, 18, 18).addComponent(jTextField3,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE, 80,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE))))
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(jPanel1Layout.createSequentialGroup().addGap(31, 31, 31)
                                                .addGroup(jPanel1Layout
                                                        .createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING,
                                                                false)
                                                        .addGroup(javax.swing.GroupLayout.Alignment.LEADING,
                                                                jPanel1Layout.createSequentialGroup()
                                                                        .addGroup(jPanel1Layout.createParallelGroup(
                                                                                javax.swing.GroupLayout.Alignment.LEADING)
                                                                                .addComponent(jLabel5)
                                                                                .addComponent(jLabel6))
                                                                        .addPreferredGap(
                                                                                javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                        .addGroup(jPanel1Layout.createParallelGroup(
                                                                                javax.swing.GroupLayout.Alignment.LEADING,
                                                                                false)
                                                                                .addComponent(jComboBox1, 0,
                                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                                        Short.MAX_VALUE)
                                                                                .addComponent(jTextField4,
                                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                                        80, Short.MAX_VALUE)))
                                                        .addGroup(javax.swing.GroupLayout.Alignment.LEADING,
                                                                jPanel1Layout.createSequentialGroup()
                                                                        .addGroup(jPanel1Layout.createParallelGroup(
                                                                                javax.swing.GroupLayout.Alignment.LEADING)
                                                                                .addComponent(jLabel7)
                                                                                .addComponent(jLabel9))
                                                                        .addPreferredGap(
                                                                                javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                        .addGroup(jPanel1Layout.createParallelGroup(
                                                                                javax.swing.GroupLayout.Alignment.LEADING)
                                                                                .addComponent(jTextField7,
                                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                                        80, Short.MAX_VALUE)
                                                                                .addComponent(jTextField5)))))
                                        .addGroup(jPanel1Layout.createSequentialGroup().addGap(18, 18, 18)
                                                .addComponent(jButton2)))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 57,
                                        Short.MAX_VALUE))
                        .addGroup(jPanel1Layout.createSequentialGroup().addComponent(jLabel8).addGap(18, 18, 18)
                                .addComponent(jTextField6, javax.swing.GroupLayout.DEFAULT_SIZE, 306, Short.MAX_VALUE)))
                        .addContainerGap()));
        jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup().addContainerGap()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel1)
                                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(jLabel5).addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel2)
                                .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(jLabel6).addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel3).addComponent(jRadioButton1).addComponent(jRadioButton2)
                                .addComponent(jLabel7).addComponent(jTextField5, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel4)
                                .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(jLabel9).addComponent(jTextField7, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(18, 18, 18)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel8).addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE,
                                        javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 9, Short.MAX_VALUE)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jButton1).addComponent(jButton2))
                        .addContainerGap()));

        jTable1.setAutoCreateRowSorter(true);
        jTable1.setModel(dm);
        jScrollPane1.setViewportView(jTable1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout
                .createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup().addGap(88, 88, 88).addComponent(jPanel1,
                                javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
                                javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(layout.createSequentialGroup().addGap(21, 21, 21).addComponent(jScrollPane1,
                                javax.swing.GroupLayout.PREFERRED_SIZE, 516, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)));
        layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup().addGap(32, 32, 32)
                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE,
                                javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 117,
                                javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)));

        pack();
    }// </editor-fold>//GEN-END:initComponents

    // 添加事件
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jButton1ActionPerformed
        // TODO add your handling code here:
        String ID = jTextField1.getText();
        String Name = jTextField2.getText();
        String sex = "男";
        if (jRadioButton2.isSelected())
            sex = "女";
        String ageStr = jTextField3.getText();
        int age = Integer.parseInt(ageStr);
        String department = (String) jComboBox1.getSelectedItem();
        String position = jTextField4.getText(); // 职位
        String phone = jTextField5.getText(); // 电话
        String time = jTextField7.getText(); // 入厂时间
        String address = jTextField6.getText();// 住址

        if (ID.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入员工号");
        } else if (Name.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入员工姓名");
        } else if (ageStr.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入年龄");
        } else if (department.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入所在部门");
        } else if (position.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入员职位");
        } else if (phone.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入联系电话");
        } else if (time.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入入厂时间");
        } else if (address.equals("")) {
            JOptionPane.showMessageDialog(null, "请输入住址");
        } else {
            DBConn db = new DBConn();
            if (db.Check("select ID from employee where ID = '" + ID + "'") != 0) {
                JOptionPane.showMessageDialog(null, "该工号的员工已存在!!");
            } else {
                String sql = "insert into employee values('" + ID + "','" + Name + "','" + sex + "','" + age + "','"
                        + department + "','" + position + "','" + phone + "','" + time + "','" + address + "')";
                System.out.println(sql);
                int result = db.Update(sql);
                if (result != 0) {
                    JOptionPane.showMessageDialog(null, "添加成功!!");
                    initTable();
                }
                db.close();

            }

            new AddEmployee().setVisible(true);

        }
        // this.System.exit(0);
        this.setVisible(false);

    }// GEN-LAST:event_jButton1ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jButton2ActionPerformed
        // TODO add your handling code here:
        jTextField1.setText("");
        jTextField2.setText("");
        jTextField4.setText("");
        jTextField5.setText("");
        jTextField3.setText("");
        jTextField7.setText("");
        jTextField6.setText("");

    }// GEN-LAST:event_jButton2ActionPerformed

    private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField2ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField2ActionPerformed

    private void jTextField4ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField4ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField4ActionPerformed

    private void jComboBox1ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jComboBox1ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jComboBox1ActionPerformed

    private void jTextField5ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField5ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField5ActionPerformed

    private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField3ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField3ActionPerformed

    private void jTextField7ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField7ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField7ActionPerformed

    private void jTextField6ActionPerformed(java.awt.event.ActionEvent evt) {// GEN-FIRST:event_jTextField6ActionPerformed
        // TODO add your handling code here:
    }// GEN-LAST:event_jTextField6ActionPerformed

    /*
     * 
     * public static void main(String args[]) { java.awt.EventQueue.invokeLater(new
     * Runnable() { public void run() { new AddEmployee().setVisible(true);
     * 
     * } }); }
     */

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JLabel jLabel8;
    private javax.swing.JLabel jLabel9;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JRadioButton jRadioButton1;
    private javax.swing.JRadioButton jRadioButton2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    private javax.swing.JTextField jTextField4;
    private javax.swing.JTextField jTextField5;
    private javax.swing.JTextField jTextField6;
    private javax.swing.JTextField jTextField7;
    // End of variables declaration//GEN-END:variables

}

四、其他

1.更多系统

JavaSwing系统系列实现

Java+Swing实现斗地主游戏

Java+Swing实现图书管理系统

Java+Swing实现医院管理系统

Java+Swing实现考试管理系统

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2.更多JavaSwing系统请关注专栏。

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2.源码下载

Java+Swing+Mysql实现员工工资管理系统

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请点击以下链接,部署你的项目。

Eclipse如何导入JavaSwing项目超详细图文教程

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本文转载自: https://blog.csdn.net/helongqiang/article/details/122117668
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