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SpringBoot + vue 管理系统

SpringBoot + vue 管理系统


文章目录

1、成品效果展示

SpringBoot + vue 管理系统

2、项目准备

环境准备

image-20240714203052876

步骤:

  1. 准备数据库表
  2. 创建springboot工程,引入对应的起步依赖(web、mybatis、mysql驱动、lombok)
  3. 配置文件application.properties中引入mybatis的配置信息,准备对应的实体类
  4. 准备对应的Mapper、Service(接口、实现类)、Controller基础结构
-- 部门管理
create table dept(
    id int unsigned primary key auto_increment comment '主键ID',
    name varchar(10) not null unique comment '部门名称',
    create_time datetime not null comment '创建时间',
    update_time datetime not null comment '修改时间'
) comment '部门表';

insert into dept (id, name, create_time, update_time) values(1,'学工部',now(),now()),
    (2,'教研部',now(),now()),
    (3,'咨询部',now(),now()), 
    (4,'就业部',now(),now()),
    (5,'人事部',now(),now());

-- 员工管理(带约束)
create table emp (
  id int unsigned primary key auto_increment comment 'ID',
  username varchar(20) not null unique comment '用户名',
  password varchar(32) default '123456' comment '密码',
  name varchar(10) not null comment '姓名',
  gender tinyint unsigned not null comment '性别, 说明: 1 男, 2 女',
  image varchar(300) comment '图像',
  job tinyint unsigned comment '职位, 说明: 1 班主任,2 讲师, 3 学工主管, 4 教研主管, 5 咨询师',
  entrydate date comment '入职时间',
  dept_id int unsigned comment '部门ID',
  create_time datetime not null comment '创建时间',
  update_time datetime not null comment '修改时间'
) comment '员工表';

INSERT INTO emp
    (id, username, password, name, gender, image, job, entrydate,dept_id, create_time, update_time) VALUES
    (1,'jinyong','123456','金庸',1,'1.jpg',4,'2000-01-01',2,now(),now()),
    (2,'zhangwuji','123456','张无忌',1,'2.jpg',2,'2015-01-01',2,now(),now()),
    (3,'yangxiao','123456','杨逍',1,'3.jpg',2,'2008-05-01',2,now(),now()),
    (4,'weiyixiao','123456','韦一笑',1,'4.jpg',2,'2007-01-01',2,now(),now()),
    (5,'changyuchun','123456','常遇春',1,'5.jpg',2,'2012-12-05',2,now(),now()),
    (6,'xiaozhao','123456','小昭',2,'6.jpg',3,'2013-09-05',1,now(),now()),
    (7,'jixiaofu','123456','纪晓芙',2,'7.jpg',1,'2005-08-01',1,now(),now()),
    (8,'zhouzhiruo','123456','周芷若',2,'8.jpg',1,'2014-11-09',1,now(),now()),
    (9,'dingminjun','123456','丁敏君',2,'9.jpg',1,'2011-03-11',1,now(),now()),
    (10,'zhaomin','123456','赵敏',2,'10.jpg',1,'2013-09-05',1,now(),now()),
    (11,'luzhangke','123456','鹿杖客',1,'11.jpg',5,'2007-02-01',3,now(),now()),
    (12,'hebiweng','123456','鹤笔翁',1,'12.jpg',5,'2008-08-18',3,now(),now()),
    (13,'fangdongbai','123456','方东白',1,'13.jpg',5,'2012-11-01',3,now(),now()),
    (14,'zhangsanfeng','123456','张三丰',1,'14.jpg',2,'2002-08-01',2,now(),now()),
    (15,'yulianzhou','123456','俞莲舟',1,'15.jpg',2,'2011-05-01',2,now(),now()),
    (16,'songyuanqiao','123456','宋远桥',1,'16.jpg',2,'2007-01-01',2,now(),now()),
    (17,'chenyouliang','123456','陈友谅',1,'17.jpg',NULL,'2015-03-21',NULL,now(),now());

CREATE TABLE clazz (
  id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT COMMENT 'ID,主键',
  name varchar(30) NOT NULL UNIQUE COMMENT '班级名称',
  room varchar(20) DEFAULT NULL COMMENT '班级教室',
  begin_date date NOT NULL COMMENT '开课时间',
  end_date date NOT NULL COMMENT '结课时间',
  master_id int unsigned NOT NULL COMMENT '班主任ID, 关联员工表ID',
  create_time datetime NOT NULL COMMENT '创建时间',
  update_time datetime NOT NULL COMMENT '修改时间'
) COMMENT '班级表';

INSERT INTO clazz VALUES (1,'黄埔班一期','212','2023-04-30','2023-06-29',10,'2023-06-01 17:08:23','2023-06-01 17:39:58'),
    (2,'黄埔班二期','211','2023-06-25','2023-12-31',1,'2023-06-01 17:34:16','2023-06-01 17:43:43'),
    (3,'黄埔班三期','210','2023-07-10','2024-01-20',3,'2023-06-01 17:45:12','2023-06-01 17:45:12'),
    (4,'JavaEE就业165期','108','2023-06-15','2023-12-25',6,'2023-06-01 17:45:40','2023-06-01 17:45:40'),
    (5,'JavaEE就业166期','105','2023-07-20','2024-02-20',20,'2023-06-01 17:46:10','2023-06-01 17:46:10'),
    (6,'黄埔四期','209','2023-08-01','2024-02-15',7,'2023-06-01 17:51:21','2023-06-01 17:51:21');

CREATE TABLE student (
  id int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT COMMENT 'ID,主键',
  name varchar(10) NOT NULL COMMENT '姓名',
  no char(10) NOT NULL UNIQUE COMMENT '学号',
  gender tinyint unsigned NOT NULL COMMENT '性别, 1: 男, 2: 女',
  phone varchar(11) NOT NULL UNIQUE COMMENT '手机号',
  degree tinyint unsigned DEFAULT NULL COMMENT '最高学历, 1:初中, 2:高中, 3:大专, 4:本科, 5:硕士, 6:博士',
  violation_count tinyint unsigned NOT NULL DEFAULT '0' COMMENT '违纪次数',
  violation_score tinyint unsigned NOT NULL DEFAULT '0' COMMENT '违纪扣分',
  clazz_id int unsigned NOT NULL COMMENT '班级ID, 关联班级表ID',
  create_time datetime NOT NULL COMMENT '创建时间',
  update_time datetime NOT NULL COMMENT '修改时间'
) COMMENT '学生表';

INSERT INTO student VALUES (1,'Tom','2023001001',1,'18909091212',4,0,0,1,'2023-06-01 18:28:58','2023-06-01 18:28:58'),
    (2,'Cat','2023001002',2,'18909092345',3,0,0,1,'2023-06-01 18:34:57','2023-06-01 18:34:57'),
    (3,'Lily','2023001003',2,'13309230912',4,2,5,1,'2023-06-01 18:35:23','2023-06-01 19:37:42'),
    (4,'Jerry','2023001004',1,'15309232323',4,1,2,1,'2023-06-01 18:35:48','2023-06-01 19:37:35'),
    (6,'Nacos','2023002001',1,'18809091212',1,3,10,2,'2023-06-01 18:57:32','2023-06-01 19:37:29');

生成的pom.xml文件

<?xml version="1.0" encoding="UTF-8"?><projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.tlias</groupId><artifactId>web-tlias</artifactId><version>0.0.1-SNAPSHOT</version><name>web-tlias</name><description>web-tlias</description><properties><java.version>1.8</java.version><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><spring-boot.version>2.7.6</spring-boot.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.mybatis.spring.boot</groupId><artifactId>mybatis-spring-boot-starter</artifactId><version>2.3.0</version></dependency><dependency><groupId>com.mysql</groupId><artifactId>mysql-connector-j</artifactId><scope>runtime</scope></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><!--        pagehelper分页查询插件--><dependency><groupId>com.github.pagehelper</groupId><artifactId>pagehelper-spring-boot-starter</artifactId><version>1.4.2</version></dependency><!--        阿里云oss依赖--><dependency><groupId>com.aliyun.oss</groupId><artifactId>aliyun-sdk-oss</artifactId><version>3.15.2</version></dependency><!--        jwt依赖--><dependency><groupId>io.jsonwebtoken</groupId><artifactId>jjwt</artifactId><version>0.9.1</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.76</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-aop</artifactId></dependency></dependencies><dependencyManagement><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-dependencies</artifactId><version>${spring-boot.version}</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.8.1</version><configuration><source>1.8</source><target>1.8</target><encoding>UTF-8</encoding></configuration></plugin><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><version>${spring-boot.version}</version><configuration><mainClass>com.tlias.WebTliasApplication</mainClass><skip>true</skip></configuration><executions><execution><id>repackage</id><goals><goal>repackage</goal></goals></execution></executions></plugin></plugins></build></project>

创建项目工程目录结构

image-20240714203628782

配置文件application.yml

server:port:8080mybatis:mapper-locations: classpath:mappers/*xmltype-aliases-package: com.tlias.entity
  configuration:log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
    map-underscore-to-camel-case:truespring:datasource:driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/tlias
    username: root
    password:123456servlet:multipart:max-file-size: 10MB
      max-request-size: 100MB

pagehelper:reasonable:truealiyun:oss:endpoint: https://oss-cn-beijing.aliyuncs.com
    accessKeyId: you_acesskey
    accessKeySecret: you_accessKeySecret
    bucketName: tlias-lwj

设置统一返回数据

@Data@AllArgsConstructor@NoArgsConstructorpublicclassResult{privateint code;privateString msg;privateObject data;publicstaticResultsuccess(){returnnewResult(1,"success",null);}publicstaticResultsuccess(Object data){returnnewResult(1,"success", data);}publicstaticResulterror(String msg){returnnewResult(0,msg,null);}}

构建一个vue项目

image-20240714203803145

3、项目开发

功能模块分为六部分:班级管理、学员管理、部门管理、员工管理、员工信息统计、学员信息统计

3.1、部门管理

开发的部门管理功能包含:

  1. 查询部门
  2. 删除部门
  3. 新增部门
  4. 更新部门
3.1.1、前端核心代码
<template>
  <div style="margin-top: 20px; margin: 50px; margin-right: 100px">
    <!-- 按钮 -->

    <el-row>
      <el-button
        style="float: right"
        type="primary"
        @click="dialogFormVisible = true; dept={}"
        >+ 新增部门</el-button
      >
    </el-row>
    <br>
    <!-- 数据表格 -->
    <template>
      <el-table
        highlight-current-row
        ref="multipleTable"
        :data="tableData"
        tooltip-effect="dark"
        style="width: 100%"
        border
      >
        <el-table-column type="index" width="100" label="序号" header-align="center" align="center"> </el-table-column>
        <el-table-column prop="name" label="部门名称" header-align="center" align="center"></el-table-column>
        <el-table-column label="最后操作时间" header-align="center" align="center">
          <template slot-scope="scope">
              {{scope.row.updateTime ? scope.row.updateTime.replace('T',' '):''}}
          </template>
        </el-table-column>

        <el-table-column label="操作" width="420" header-align="center" align="center">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              plain
              @click="selectById(scope.row.id)"
              >编辑</el-button
            >

            <el-button
              size="mini"
              type="danger"
              plain
              @click="deleteById(scope.row.id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </template>

    <!-- 新建对话框 -->

    <el-dialog title="保存部门" :visible.sync="dialogFormVisible" >
      <el-form :model="dept" :rules="rules" ref="dept">
        <el-form-item label="部门名称" :label-width="formLabelWidth" prop="name">
          <el-input v-model="dept.name"  placeholder="请输入部门名称" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click="cancel('dept')">取 消</el-button>
        <el-button type="primary" @click="save('dept')">确 定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import { findAll, add, update, deleteById, selectById } from "@/api/dept.js";

export default {
  data() {
    return {
      formLabelWidth: "120px",
      dialogFormVisible: false, //控制对话框是否可见
      dept: {
        name: "",
      },
      tableData: [],
      rules: {
          name: [
            { required: true, message: '请输入部门名称', trigger: 'blur' },
            { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
          ]
      }    
    };
  },

  methods: {

    //删除部门
    deleteById(id) {
      this.$confirm("确认删除?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
          deleteById(id).then((result) => {
              if(result.data.code == 1){
                  this.$message({
                  message: "恭喜你,删除成功",
                  type: "success",
                });
            }else{
                this.$message.error(result.data.msg);
            }
            //重新查询数据
            this.init();
          });
        }).catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除",
          });
        });
    },

    //根据ID查询部门 -- 回显
    selectById(id) {
      this.dialogFormVisible = true;
      selectById(id).then((result) => {
        this.dept = result.data.data;
      });
    },

    //保存方法
    save(formName) {
       this.$refs[formName].validate((valid) => {
          if(valid){
            let operator ;
            if (this.dept.id) {
              operator = update(this.dept); // 修改
            }else{
              operator = add(this.dept); //添加 
            }

            operator.then((result) => {
              if (result.data.code == 1) {
                //修改成功
                this.$message.success("恭喜你,保存成功");
                //重新查询数据
                this.init();
                // 关闭新建窗口
                this.dialogFormVisible = false;
                // 清空模型数据
                this.dept = {};
              } else {
                this.$message.error(result.data.msg);
              }
            });
          }
       })
    },

    //初始化 - 查询全部
    init() {
      findAll().then((result) => {
        console.log(result);
        if (result.data.code == 1) {
          this.tableData = result.data.data;
        }
      });
    },

    cancel(formName){
      this.dialogFormVisible = false;
      this.$refs[formName].resetFields();
    }
  },
  mounted() {
    //当页面加载完成后自动执行。
    this.init();
  },
};
</script>
3.1.2、后端代码实现

实体类

@Data@NoArgsConstructor@AllArgsConstructorpublicclassDept{privateInteger id;privateString name;privateLocalDateTime createTime;privateLocalDateTime updateTime;}

controller层

@RestController@RequestMapping("depts")@Slf4jpublicclassDeptController{@AutowiredprivateDeptService service;/**
     * 查询部门
     * @return
     */@GetMappingpublicResultgetDept(){
        log.info("查询部门数据");List<Dept> list = service.getDeptList();returnResult.success(list);}/**
     * 根据id删除部门
     * @param id
     * @return
     */@DeleteMapping("/{id}")publicResultdeleteDeptById(@PathVariable("id")Integer id){
        log.info("删除部门id {}",id);
        service.deleteDeptById(id);returnResult.success();}/**
     * 新增部门
     * @param dept
     * @return
     */@PostMappingpublicResultsave(@RequestBodyDept dept){
        log.info("新增部门 {}",dept);
        service.save(dept);returnResult.success();}/**
     * 根据id查询部门
     * @param id
     * @return
     */@GetMapping("/{id}")publicResultselectDeptById(@PathVariable("id")Integer id){
        log.info("根据id查询部门{}",id);Dept dept = service.selectDeptById(id);returnResult.success(dept);}/**
     * 修改部门
     * @param dept
     * @return
     */@PutMappingpublicResultupdate(@RequestBodyDept dept){
        log.info("修改部门信息{}",dept);
        service.update(dept);returnResult.success();}}

service层

service接口

publicinterfaceDeptService{/**
     * 查询部门
     * @return
     */List<Dept>getDeptList();/**
     * 删除部门
     * @param id
     */voiddeleteDeptById(Integer id);/**
     * 新增部门
     * @param dept
     */voidsave(Dept dept);/**
     * 根据id查询部门
     * @param id
     * @return
     */DeptselectDeptById(Integer id);/**
     * 修改部门信息
     * @param dept
     */voidupdate(Dept dept);}

serviceImpl

@ServicepublicclassDeptServiceImplimplementsDeptService{@AutowiredprivateDeptMapper deptMapper;@AutowiredprivateEmpMapper empMapper;/**
     * 查询部门
     *
     * @return
     */@OverridepublicList<Dept>getDeptList(){List<Dept> list =  deptMapper.getDeptList();return list;}/**
     * 删除部门
     *
     * @param id
     */@OverridepublicvoiddeleteDeptById(Integer id){Integer result = empMapper.selectEmpByDeptId(id);if(result <1){thrownewRuntimeException("不能删除部门,部门下面存在员工");}
        deptMapper.deleteDeptById(id);}/**
     * 新增部门
     *
     * @param dept
     */@Overridepublicvoidsave(Dept dept){//添加修改时间
        dept.setCreateTime(LocalDateTime.now());
        dept.setUpdateTime(LocalDateTime.now());

        deptMapper.save(dept);}/**
     * 根据id查询部门
     *
     * @param id
     * @return
     */@OverridepublicDeptselectDeptById(Integer id){Dept dept =  deptMapper.selectDeptById(id);return dept;}/**
     * 修改部门信息
     *
     * @param dept
     */@Overridepublicvoidupdate(Dept dept){
        dept.setUpdateTime(LocalDateTime.now());
        deptMapper.update(dept);}}

mapper层

@MapperpublicinterfaceDeptMapper{/**
     * 查询部门
     * @return
     */@Select("select * from dept")List<Dept>getDeptList();/**
     * 删除部门
     * @param id
     */@Delete("delete from dept where id = #{id}")voiddeleteDeptById(Integer id);/**
     * 新增部门
     * @param dept
     */@Insert("insert into dept values (null,#{name},#{createTime},#{updateTime})")voidsave(Dept dept);/**
     * 根据id查询部门
     * @param id
     * @return
     */@Select("select * from dept where id = #{id}")DeptselectDeptById(Integer id);/**
     * 修改部门信息
     * @param dept
     */@Update("update dept set name = #{name},update_time = #{updateTime} where id = #{id}")voidupdate(Dept dept);}
3.2、员工管理

我们可以把员工管理功能分为:

  1. 分页查询
  2. 带条件的分页查询
  3. 删除员工
  4. 新增员工
  5. 修改员工
3.2.1、前端核心代码
<template>
  <div class="app-container">

    <!--搜索表单-->
    <el-form :inline="true" :model="searchEmp" class="demo-form-inline">
      <el-form-item label="姓名">
        <el-input
          v-model="searchEmp.name"
          placeholder="请输入员工姓名"
        ></el-input>
      </el-form-item>
      <el-form-item label="性别">
        <el-select v-model="searchEmp.gender" placeholder="请选择">
          <el-option label="男" value="1"></el-option>
          <el-option label="女" value="2"></el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="入职时间">
        <el-date-picker
          v-model="entrydate"
          clearable
          value-format="yyyy-MM-dd"
          type="daterange"
          placeholder="选择日期"
          range-separator="至"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
          style="width: 400px; margin-left: 20px"
        ></el-date-picker>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" @click="onSubmit">查询</el-button>
         <el-button type="info" @click="clear">清空</el-button>
      </el-form-item>
    </el-form>

    <!--按钮-->
    <el-row>
      <el-button type="danger" size="medium" @click="deleteByIds">- 批量删除</el-button>
      <el-button type="primary" size="medium" @click="dialogVisible = true; emp = { image: ''};" >+ 新增员工</el-button>
    </el-row>

    <!--添加数据对话框表单-->
    <el-dialog ref="form" title="编辑员工" :visible.sync="dialogVisible" width="30%">
      <el-form :model="emp" :rules="rules" ref="emp" label-width="80px" size="mini">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="emp.username"></el-input>
        </el-form-item>
        <el-form-item label="员工姓名"  prop="name">
          <el-input v-model="emp.name"></el-input>
        </el-form-item>

        <el-form-item label="性别"  prop="gender">
          <el-select v-model="emp.gender" placeholder="请选择" style="width:100%" >
             <el-option
              v-for="item in genderList"
              :key="item.value"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>

        <el-form-item label="头像">
          <el-upload
            class="avatar-uploader"
            action="/api/upload"
            :headers="token"
            name="image"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
            :before-upload="beforeAvatarUpload"
          >
            <img v-if="emp.image" :src="emp.image" class="avatar" />
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>

        <el-form-item label="职位">
          <el-select v-model="emp.job" placeholder="请选择" value-key="emp.job" style="width:100%">
            <el-option
              v-for="item in jobList"
              :key="item.value"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>

        <el-form-item label="入职日期">
          <el-date-picker
            v-model="emp.entrydate"
            clearable
            type="date"
            value-format="yyyy-MM-dd" 
            placeholder="选择日期"
            size="small"
            style="width:100%"
          ></el-date-picker>
        </el-form-item>

        <el-form-item label="归属部门">
          <el-select v-model="emp.deptId" placeholder="请选择" style="width:100%">
            <!-- 
            <el-option label="学工部" value="1"></el-option>
            <el-option label="教研部" value="2"></el-option>
             -->
            <el-option
              v-for="item in deptList"
              :key="item.value"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" @click="save('emp')">提交</el-button>
          <el-button @click="cancel('emp')">取消</el-button>
        </el-form-item>
      </el-form>
    </el-dialog>

    <br>

    <!--表格-->
    <template>
      <el-table :data="tableData" style="width: 100%" border @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55"  align="center"></el-table-column>
        <el-table-column  prop="name"  label="姓名"  align="center"></el-table-column>
        <el-table-column prop="image" label="头像" align="center">
          <template slot-scope="{ row }">
            <el-image style="width: auto; height: 40px; border: none; cursor: pointer" :src="row.image"></el-image>
          </template>
        </el-table-column>

        <el-table-column align="center" label="性别">
          <template slot-scope="scope">
            <span style="margin-right: 10px">
            {{scope.row.gender == "1" ? "男" : "女"}}</span>
          </template>
        </el-table-column>

        <el-table-column align="center" label="职位">
          <template slot-scope="scope">
            <span style="margin-right: 10px" v-if="scope.row.job == 1">班主任</span>
            <span style="margin-right: 10px" v-if="scope.row.job == 2">讲师</span>
            <span style="margin-right: 10px" v-if="scope.row.job == 3">学工主管</span>
            <span style="margin-right: 10px" v-if="scope.row.job == 4">教研主管</span>
          </template>
        </el-table-column>

        <el-table-column align="center" label="日职日期">
          <template slot-scope="scope">
            {{ scope.row.entrydate }}
          </template>
        </el-table-column>
        <el-table-column align="center" label="最后操作时间">
          <template slot-scope="scope">
            {{scope.row.updateTime ? scope.row.updateTime.replace('T',' '):''}}
          </template>
        </el-table-column>

        <el-table-column align="center" label="操作">
          <template slot-scope="scope">
            <el-button type="primary" size="small" @click="update(scope.row.id)">编辑</el-button>
            <el-button type="danger" size="small" @click="deleteById(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </template>

    <br>

    <!--分页工具条-->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :background="background"
      :current-page="currentPage"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="5"
      layout="total, sizes, prev, pager, next, jumper"
      :total="totalCount">
    </el-pagination>
  </div>
</template>

<script>
import { page, add, update, deleteById, selectById } from "@/api/emp.js";
import { findAll } from "@/api/dept.js";
import { getToken } from '@/utils/auth';

export default {
  data() {
    return {
      background: true,
      // 每页显示的条数
      pageSize: 5,
      // 总记录数
      totalCount: 100,
      // 当前页码
      currentPage: 1,
      // 添加数据对话框是否展示的标记
      dialogVisible: false,
      // 品牌模型数据
      searchEmp: {
        name: "",
        gender: "",
      },
      emp: {
        username: "",
        name: "",
        gender: "",
        image: "",
        job: "",
        entrydate: "",
        deptId: ""
      },
      deptList: [],
      genderList: [{id: 1,name: "男"},{id: 2,name: "女"}],
      jobList: [{id: 1,name: "班主任"},{id: 2,name: "讲师"},{id: 3, name: "学工主管"},{id: 4,name: "教研主管"}],
      beginTime: "",
      endTime: "",
      entrydate: "",
      // 被选中的id数组
      selectedIds: [],
      // 复选框选中数据集合
      multipleSelection: [],
      // 表格数据
      tableData: [],
      token: {token: getToken()},
      rules: {
          username: [
            {required: true, message: '请输入用户名', trigger: 'blur' },
            {min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur' }
          ],
          name: [
            {required: true, message: '请输入姓名', trigger: 'blur' },
            {min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
          ],
          gender: [
            {required: true, message: '请选择性别', trigger: 'change' }
          ]
        }
    };
  },
  mounted() {
    this.page(); //当页面加载完成后,发送异步请求,获取数据
    findAll().then((result) => {
      this.deptList = result.data.data;
    });
  },
  
  methods: {
    // 查询分页数据
    page() {
      page(
        this.searchEmp.name,
        this.searchEmp.gender,
        this.beginTime,
        this.endTime,
        this.currentPage,
        this.pageSize
      ).then((res) => {
        this.totalCount = res.data.data.total;
        this.tableData = res.data.data.rows;
      });
    },

    // 复选框选中后执行的方法
    handleSelectionChange(val) {
      this.multipleSelection = val;
    },

    // 查询方法
    onSubmit() {
      this.currentPage = 1;
      this.page();
    },

    clear(){
      this.searchEmp = {name: "", gender: ""};
      this.beginTime = "",
      this.endTime = "";
      this.entrydate = "";
      this.page();
    },
    
    // 添加数据
    save(formName) {
      //校验表单
      this.$refs[formName].validate((valid) => {
          if (valid) {
            let operator;
            if (this.emp.id) {//修改
              operator = update(this.emp);
            } else { //新增
              operator = add(this.emp);
            }
            operator.then((resp) => {
              if (resp.data.code == 1) {
                this.dialogVisible = false;
                this.page();
                this.$message({ message: "恭喜你,保存成功", type: "success" });
                this.emp = { image: "" };
              } else {
                this.$message.error(resp.data.msg);
              }
            });
          }
      });
    },
    update(id) {
      //1. 打开窗口
      this.dialogVisible = true;
      //2. 发送请求

      selectById(id).then((result) => {
        if (result.data.code == 1) {
          this.emp = result.data.data;
          this.emp;
        }
      });
    },

    
    //分页
    handleSizeChange(val) {
      // 重新设置每页显示的条数
      this.pageSize = val;
      this.page();
    },

    handleCurrentChange(val) {
      // 重新设置当前页码
      this.currentPage = val;
      this.page();
    },

    //删除员工信息
    deleteById(id){
      this.$confirm("此操作将删除该数据, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
          //2. 发送AJAX请求
          deleteById(id).then((resp) => {
            if (resp.data.code == 1) {
              //删除成功
              this.$message.success("恭喜你,删除成功");
              this.page();
            } else {
              this.$message.error(resp.data.msg);
            }
          });
      }).catch(() => {
          //用户点击取消按钮
          this.$message.info("已取消删除");
        });
    },

    // 批量删除员工信息
    deleteByIds() {
      // 弹出确认提示框
      this.$confirm("此操作将删除该数据, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
          //用户点击确认按钮
          //1. 创建id数组, 从 this.multipleSelection 获取即可
          for (let i = 0; i < this.multipleSelection.length; i++) {
            this.selectedIds[i] = this.multipleSelection[i].id;
          }

          //2. 发送AJAX请求
          deleteById(this.selectedIds).then((resp) => {
            if (resp.data.code == "1") {
              //删除成功
              this.$message.success("恭喜你,删除成功");
              this.page();
            } else {
              this.$message.error(resp.data.msg);
            }
          });
      }).catch(() => {
          //用户点击取消按钮
          this.$message.info("已取消删除");
        });
    },

    cancel(formName){
      this.dialogVisible = false;
      this.$refs[formName].resetFields();
    },

    //文件上传相关
    handleAvatarSuccess(res, file) {
      this.emp.image = res.data;
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === "image/jpeg";
      const isLt2M = file.size / 1024 / 1024 < 2;
      if (!isJPG) {
        this.$message.error("上传头像图片只能是 JPG 格式!");
      }
      if (!isLt2M) {
        this.$message.error("上传头像图片大小不能超过 2MB!");
      }
      return isJPG && isLt2M;
    },
  },

  watch: {
    entrydate(val) {
      if (val && val.length >= 2) {
        this.beginTime = val[0];
        this.endTime = val[1];
      } else {
        this.beginTime = "";
        this.endTime = "";
      }
    },
  },
};
</script>
<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 100px;
  height: 100px;
  line-height: 100px;
  text-align: center;
}
.avatar {
  width: 100px;
  height: 100px;
  display: block;
}
</style>
3.2.2、后端代码实现

实体类

@Data@AllArgsConstructor@NoArgsConstructorpublicclassEmp{privateInteger id;privateString username;privateString password;privateString name;privateShort gender;privateString image;privateShort job;privateLocalDate entrydate;privateInteger deptId;privateLocalDateTime createTime;privateLocalDateTime updateTime;}

controller

@RestController@RequestMapping("/emps")@Slf4jpublicclassEmpController{@AutowiredprivateEmpService service;/**
     * 分页查询
     * @param page
     * @param pageSize
     * @param name
     * @param gender
     * @param begin
     * @param end
     * @return
     */@GetMappingpublicResultpage(@RequestParam(defaultValue ="1")Integer page,@RequestParam(defaultValue ="10")Integer pageSize,String name,Short gender,@DateTimeFormat(pattern ="yyyy-MM-dd")LocalDate begin,@DateTimeFormat(pattern ="yyyy-MM-dd")LocalDate end){
        log.info("员工分页查询 page = {},pageSize = {}", page, pageSize);PageBean pageBean = service.page(page,pageSize,name,gender,begin,end);returnResult.success(pageBean);}/**
     * 删除
     * @param ids
     * @return
     */@DeleteMapping("/{ids}")publicResultdeleteByIds(@PathVariable("ids")List<Integer> ids){
        log.info("删除 ids = {}", ids);
        service.deleteByIds(ids);returnResult.success();}/**
     * 新增员工
     * @param emp
     * @return
     */@PostMappingpublicResultsave(@RequestBodyEmp emp){
        log.info("新增员工 {}", emp);
        service.save(emp);returnResult.success();}/**
     * 根据id查询员工
     * @param id
     * @return
     */@GetMapping("/{id}")publicResultselectById(@PathVariableInteger id){
        log.info("根据id查询员工");Emp emp = service.selectById(id);returnResult.success(emp);}@PutMappingpublicResultupdate(@RequestBodyEmp emp){
        log.info("修改员工{}",emp);
        service.update(emp);returnResult.success();}@GetMapping("/list")publicResultselectAll(){
        log.info("查询全部员工");List<Emp> list = service.selectAll();returnResult.success(list);}}

service层

publicinterfaceEmpService{/**
     * 员工分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @param gender
     * @param begin
     * @param end
     * @return
     */PageBeanpage(Integer page,Integer pageSize,String name,Short gender,LocalDate begin,LocalDate end);/**
     * 删除
     * @param ids
     */voiddeleteByIds(List<Integer> ids);/**
     * 新增员工
     * @param emp
     */voidsave(Emp emp);/**
     * 根据id查询员工
     * @param id
     * @return
     */EmpselectById(Integer id);/**
     * 修改员工
     * @param emp
     */voidupdate(Emp emp);/**
     * 查询全部员工
     * @return
     */List<Emp>selectAll();/**
     * 员工登录
     * @param emp
     * @return
     */Emplogin(Emp emp);}
@ServicepublicclassEmpServiceImplimplementsEmpService{@AutowiredprivateEmpMapper empMapper;@OverridepublicPageBeanpage(Integer page,Integer pageSize,String name,Short gender,LocalDate begin,LocalDate end){//设置分页参数PageHelper.startPage(page,pageSize);//进行查询List<Emp> list = empMapper.list(name,gender,begin,end);//获取分页结果Page<Emp> empPage =(Page<Emp>) list;returnnewPageBean(empPage.getTotal(),empPage.getResult());}/**
     * 删除
     *
     * @param ids
     */@OverridepublicvoiddeleteByIds(List<Integer> ids){
        empMapper.deleteByIds(ids);}/**
     * 新增员工
     *
     * @param emp
     */@Overridepublicvoidsave(Emp emp){
        emp.setCreateTime(LocalDateTime.now());
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.save(emp);}/**
     * 根据id查询员工
     *
     * @param id
     * @return
     */@OverridepublicEmpselectById(Integer id){Emp emp = empMapper.selectById(id);return emp;}/**
     * 修改员工
     *
     * @param emp
     */@Overridepublicvoidupdate(Emp emp){
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.update(emp);}/**
     * 查询全部员工
     *
     * @return
     */@OverridepublicList<Emp>selectAll(){List<Emp> list = empMapper.selectAll();return list;}/**
     * 员工登录
     *
     * @param emp
     * @return
     */@OverridepublicEmplogin(Emp emp){return empMapper.getEmpByUsernameAndPassword(emp);}}

mapper层

@MapperpublicinterfaceEmpMapper{/**
     * 查询部门下是否有员工
     * @param id
     * @return
     */@Select("select  count(*) from emp where dept_id = #{id}")IntegerselectEmpByDeptId(Integer id);/**
     * 查询
     *///    @Select("select * from emp")List<Emp>list(@Param("name")String name,@Param("gender")Short gender,@Param("begin")LocalDate begin,@Param("end")LocalDate end);/**
     * 删除
     * @param ids
     */voiddeleteByIds(@Param("ids")List<Integer> ids);/**
     * 新增员工
     * @param emp
     */@Insert("insert into emp values (null,#{username},#{password},#{name},#{gender}"+",#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")voidsave(Emp emp);/**
     * 根据id查询员工
     * @param id
     * @return
     */@Select("select * from emp where id = #{id}")EmpselectById(Integer id);/**
     * 修改员工
     * @param emp
     */@Update("update emp set username = #{username},password = #{password},"+"name = #{name},gender = #{gender},image = #{image},job = #{job},"+"entrydate = #{entrydate},dept_id = #{deptId},create_time = #{createTime},"+"emp.update_time = #{updateTime} where id = #{id}")voidupdate(Emp emp);/**
     * 查询全部员工
     * @return
     */@Select("select * from emp")List<Emp>selectAll();/**
     * 员工性别统计
     * @return
     */List<PieChartData>getEmpGenderData();/**
     * 员工职位统计
     * @return
     */@Select("select (case job\n"+"            when 1 then '班主任'"+"            when 2 then '讲师'"+"            when 3 then '学工主管'"+"            when 4 then '教研主管'"+"            when 4 then '咨询师'"+"            else '无' end) as job,"+"       count(*) as jobcount"+" from emp"+" group by job")List<Map<String,Object>>getEmpJobData();/**
     * 员工登录
     * @param emp
     * @return
     */@Select("select * from emp where username = #{username} and  password = #{password}")EmpgetEmpByUsernameAndPassword(Emp emp);}

mapper.xml

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE mapper PUBLIC"-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.tlias.mapper.EmpMapper"><delete id="deleteByIds">
        delete from emp
        where id in
        <foreach collection="ids"open="(" close=")" item="id" separator=",">
            #{id}</foreach></delete><select id="list" resultType="com.tlias.entity.Emp">
        select * from emp
        <where><if test="name != null and name != ''">
                name like concat('%',#{name},'%')</if><if test="gender != null">
                and gender = #{gender}</if><if test="begin != null and end != null">
                and entrydate between #{begin} and #{end}</if></where>
        order by update_time desc
    </select><select id="getEmpGenderData" resultType="com.tlias.entity.PieChartData">
        select if(gender =1,'男性员工','女性员工') as 'name',count(*) as 'value' from emp group by gender;</select></mapper>

因为需要涉及到oss文件上传所以我们还需要整合

@Data@Component@ConfigurationProperties(prefix ="aliyun.oss")publicclass aliyunOssProperties {privateString endpoint;privateString accessKeyId;privateString accessKeySecret;privateString bucketName;}
@Componentpublicclass aliyunUtils {@Autowiredprivate aliyunOssProperties properties;publicStringupload(MultipartFile multipartFile)throwsIOException{String endpoint = properties.getEndpoint();String accessKeyId = properties.getAccessKeyId();String accessKeySecret = properties.getAccessKeySecret();String bucketName = properties.getBucketName();//生成上传名称String originalFilename = multipartFile.getOriginalFilename();String objectName =UUID.randomUUID().toString()+ originalFilename.substring(originalFilename.lastIndexOf("."));// 创建OSSClient实例。OSS ossClient =newOSSClientBuilder().build(endpoint, accessKeyId,accessKeySecret);try{InputStream inputStream = multipartFile.getInputStream();// 创建PutObjectRequest对象。PutObjectRequest putObjectRequest =newPutObjectRequest(bucketName, objectName, inputStream);// 上传文件。PutObjectResult result = ossClient.putObject(putObjectRequest);return endpoint.split("//")[0]+"//"+ bucketName +"."+ endpoint.split("//")[1]+"//"+objectName;}finally{if(ossClient !=null){
                ossClient.shutdown();}}}}
3.3、班级管理

开发的班级管理功能包含:

  1. 查询班级
  2. 删除班级
  3. 新增班级
  4. 更新班级
3.3.1、前端核心代码
<template><div style="margin-top: 20px; margin: 50px; margin-right: 100px"><!-- 按钮 --><el-row><el-button style="float: right" type="primary"@click="dialogFormVisible = true; dept = {}">+ 新增班级</el-button></el-row><br><!-- 数据表格 --><template><el-table highlight-current-row ref="multipleTable":data="tableData" tooltip-effect="dark" style="width: 100%"
        border><el-table-column type="index" width="100" label="序号" header-align="center" align="center"></el-table-column><el-table-column prop="name" label="班级名称" header-align="center" align="center"></el-table-column><el-table-column prop="room" label="上课教室" header-align="center" align="center"></el-table-column><el-table-column label="开课时间" header-align="center" align="center"><template slot-scope="scope">{{ scope.row.beginDate ? scope.row.beginDate.replace('T',' '): '' }}</template></el-table-column><el-table-column label="结课时间" header-align="center" align="center"><template slot-scope="scope">{{ scope.row.endDate ? scope.row.endDate.replace('T',' '): '' }}</template></el-table-column><el-table-column label="创建时间" header-align="center" align="center"><template slot-scope="scope">{{ scope.row.createTime ? scope.row.createTime.replace('T',' '): '' }}</template></el-table-column><el-table-column label="最后操作时间" header-align="center" align="center"><template slot-scope="scope">{{ scope.row.updateTime ? scope.row.updateTime.replace('T',' '): '' }}</template></el-table-column><!--<el-table-column prop="masterId" label="教师id" header-align="center" align="center"></el-table-column>--><el-table-column label="操作" width="420" header-a lign="center" align="center"><template slot-scope="scope"><el-button size="mini" type="primary" plain @click="selectById(scope.row.id)">编辑</el-button><el-button size="mini" type="danger" plain @click="deleteById(scope.row.id)">删除</el-button></template></el-table-column></el-table></template><!-- 新建对话框 --><el-dialog title="保存班级":visible.sync="dialogFormVisible"><el-form :model="clazz":rules="rules" ref="clazz"><el-form-item label="班级名称"  prop="name"><el-input v-model="clazz.name" placeholder="请输入班级名称" autocomplete="off"></el-input></el-form-item><el-form-item label="教室" prop="room"><el-input v-model="clazz.room" placeholder="请输入教室" autocomplete="off"></el-input></el-form-item><el-form-item label="开始日期" prop="beginDate"><el-date-picker v-model="clazz.beginDate" type="date" placeholder="选择开始日期"></el-date-picker></el-form-item><el-form-item label="结束日期" prop="endDate"><el-date-picker v-model="clazz.endDate" type="date" placeholder="选择结束日期"></el-date-picker></el-form-item><!--<el-form-item label="班主任ID" prop="masterId"><el-input v-model="clazz.masterId" placeholder="请输入班主任ID" autocomplete="off"></el-input></el-form-item>--></el-form><div slot="footer"class="dialog-footer"><el-button @click="cancel('clazz')">取 消</el-button><el-button type="primary"@click="save('clazz')">确 定</el-button></div></el-dialog></div></template><script>import{ findAll, add, update, deleteById, selectById } from "@/api/clazz.js";

export default{data(){return{
      formLabelWidth:"120px",
      dialogFormVisible:false,//控制对话框是否可见
      clazz:{
        name:"",
        room:"",
        beginDate:"",
        endDate:"",
        masterId:""},
      tableData:[],
      rules:{
        name:[{ required:true, message: '请输入部门名称', trigger:'blur'},{ min:2, max:20, message: '长度在 2 到 10 个字符', trigger:'blur'}],
        room:[{ required:true, message:'请输入教室', trigger:'blur'}],
        beginDate:[{ required:true, message: '请选择开始日期', trigger:'change'}],
        endDate:[{ required:true, message: '请选择结束日期', trigger:'change'}],// masterId: [//   { required: true, message: '请输入班主任ID', trigger: 'blur' }// ]}};},

  methods:{//删除部门deleteById(id){this.$confirm("确认删除?","提示",{
        confirmButtonText:"确定",
        cancelButtonText:"取消",
        type:"warning",}).then(()=>{deleteById(id).then((result)=>{if(result.data.code ==1){this.$message({
              message:"恭喜你,删除成功",
              type:"success",});}else{this.$message.error(result.data.msg);}//重新查询数据this.init();});}).catch(()=>{this.$message({
          type:"info",
          message:"已取消删除",});});},//根据ID查询部门 -- 回显selectById(id){this.dialogFormVisible =true;selectById(id).then((result)=>{this.clazz = result.data.data;});},//保存方法save(formName){this.$refs[formName].validate((valid)=>{if(valid){
          let operator;if(this.clazz.id){
            operator =update(this.clazz);// 修改}else{
            operator =add(this.clazz);//添加 }

          operator.then((result)=>{if(result.data.code ==1){//修改成功this.$message.success("恭喜你,保存成功");//重新查询数据this.init();// 关闭新建窗口this.dialogFormVisible =false;// 清空模型数据this.clazz ={};}else{this.$message.error(result.data.msg);}});}})},//初始化 - 查询全部init(){findAll().then((result)=>{
        console.log(result);if(result.data.code ==1){this.tableData = result.data.data;}});},cancel(formName){this.dialogFormVisible =false;this.$refs[formName].resetFields();}},mounted(){//当页面加载完成后自动执行。this.init();},};</script><style></style>
3.3.2、后端代码实现

实体类

@Data@NoArgsConstructor@AllArgsConstructorpublicclassClazz{privateInteger id;privateString name;privateString room;privateLocalDate beginDate;privateLocalDate endDate;privateInteger masterId;privateLocalDateTime createTime;privateLocalDateTime updateTime;}

controller层

@RestController@RequestMapping("/clazzs")@Slf4jpublicclassClazzController{@AutowiredprivateClazzService clazzService;/**
     * 查询所有
     * @return
     */@GetMappingpublicResultfindAll(){
        log.info("findAll...");List<Clazz> list = clazzService.findAll();returnResult.success(list);}/**
     * 新增班级
     * @param clazz
     * @return
     */@PostMappingpublicResultsave(@RequestBodyClazz clazz){
        log.info("save{}",clazz);
        clazzService.save(clazz);returnResult.success();}/**
     * 根据id删除班级
     * @param id
     * @return
     */@DeleteMapping("/{id}")publicResultdeleteById(@PathVariableLong id){
        log.info("deleteById...{}",id);
        clazzService.deleteById(id);returnResult.success();}/**
     * 根据id查询班级
     */@GetMapping("/{id}")publicResultfindById(@PathVariableLong id){
        log.info("findById...{}",id);Clazz clazz = clazzService.findById(id);returnResult.success(clazz);}/**
     * 更新班级
     * @param clazz
     * @return
     */@PutMappingpublicResultupdate(@RequestBodyClazz clazz){
        log.info("update...{}",clazz);
        clazzService.update(clazz);returnResult.success();}}

service

publicinterfaceClazzService{/**
     * 查询所有班级
     * @return
     */List<Clazz>findAll();/**
     * 新增班级
     * @param clazz
     */voidsave(Clazz clazz);/**
     * 根据id删除班级
     * @param id
     */voiddeleteById(Long id);/**
     * 根据id查询班级
     * @param id
     * @return
     */ClazzfindById(Long id);/**
     * 更新班级
     * @param clazz
     */voidupdate(Clazz clazz);}
@ServicepublicclassClazzServiceImplimplementsClazzService{@AutowiredprivateClazzMapper clazzMapper;/**
     * 查询所有班级
     *
     * @return
     */@OverridepublicList<Clazz>findAll(){List<Clazz> clazzList = clazzMapper.findAll();return clazzList;}/**
     * 新增班级
     *
     * @param clazz
     */@Overridepublicvoidsave(Clazz clazz){
        clazz.setCreateTime(LocalDateTime.now());
        clazz.setUpdateTime(LocalDateTime.now());
        clazzMapper.save(clazz);}/**
     * 根据id删除班级
     *
     * @param id
     */@OverridepublicvoiddeleteById(Long id){
        clazzMapper.deleteById(id);}/**
     * 根据id查询班级
     *
     * @param id
     * @return
     */@OverridepublicClazzfindById(Long id){Clazz clazz = clazzMapper.findById(id);return clazz;}/**
     * 更新班级
     *
     * @param clazz
     */@Overridepublicvoidupdate(Clazz clazz){
        clazz.setUpdateTime(LocalDateTime.now());
        clazzMapper.update(clazz);}}

mapper层

@MapperpublicinterfaceClazzMapper{/**
     * 查询所有班级
     * @return
     */@Select("select * from clazz")List<Clazz>findAll();/**
     * 新增班级
     * @param clazz
     */@Insert("insert into clazz values (null,#{name},#{room},#{beginDate},#{endDate},#{masterId},"+"#{createTime},#{updateTime})")voidsave(Clazz clazz);/**
     * 根据id删除班级
     * @param id
     */@Delete("delete from clazz where id = #{id}")voiddeleteById(Long id);/**
     * 根据id查询班级
     * @param id
     * @return
     */@Select("select * from clazz where id = #{id};")ClazzfindById(Long id);/**
     * 更新班级
     * @param clazz
     */@Update("update clazz set name = #{name},room = #{room},begin_date = #{beginDate},"+"end_date = #{endDate},master_id = #{masterId} where id = #{id}")voidupdate(Clazz clazz);}
3.4、学生管理

我们可以把员工管理功能分为:

  1. 分页查询
  2. 带条件的分页查询
  3. 删除员工
  4. 新增员工
  5. 修改员工
3.4.1、前端核心代码
<template><div class="app-container"><!--搜索表单--><el-form :inline="true":model="searchStudent"class="demo-form-inline"><el-form-item label="姓名"><el-input
          v-model="searchStudent.name"
          placeholder="请输入学生姓名"></el-input></el-form-item><el-form-item label="性别"><el-select v-model="searchStudent.gender" placeholder="请选择"><el-option label="男" value="1"></el-option><el-option label="女" value="2"></el-option></el-select></el-form-item><el-form-item><el-button type="primary"@click="onSubmit">查询</el-button><el-button type="info"@click="clear">清空</el-button></el-form-item></el-form><!--按钮--><el-row><el-button type="danger" size="medium"@click="deleteByIds">- 批量删除</el-button><el-button type="primary" size="medium"@click="dialogVisible = true; student = { image: ''};">+ 新增学生</el-button></el-row><!--添加数据对话框表单--><el-dialog ref="form" title="编辑学生":visible.sync="dialogVisible" width="30%"><el-form :model="student":rules="rules" ref="student" label-width="80px" size="mini"><el-form-item label="姓名" prop="name"><el-input v-model="student.name"></el-input></el-form-item><el-form-item label="学号"  prop="no"><el-input v-model="student.no"></el-input></el-form-item><el-form-item label="性别"  prop="gender"><el-select v-model="student.gender" placeholder="请选择" style="width:100%"><el-option
              v-for="item in genderList":key="item.value":label="item.name":value="item.id"/></el-select></el-form-item><el-form-item label="手机"  prop="phone"><el-input v-model="student.phone"></el-input></el-form-item><el-form-item label="班级"  prop="phone"><el-input v-model="student.clazzId"></el-input></el-form-item><!--<el-form-item label="头像"><el-upload
            class="avatar-uploader"
            action="/api/upload":headers="token"
            name="image":show-file-list="false":on-success="handleAvatarSuccess":before-upload="beforeAvatarUpload"><img v-if="emp.image":src="emp.image"class="avatar"/><i v-elseclass="el-icon-plus avatar-uploader-icon"></i></el-upload></el-form-item>--><!--<el-form-item label="职位"><el-select v-model="emp.job" placeholder="请选择" value-key="emp.job" style="width:100%"><el-option
              v-for="item in jobList":key="item.value":label="item.name":value="item.id"/></el-select></el-form-item>--><!--<el-form-item label="入职日期"><el-date-picker
            v-model="emp.entrydate"
            clearable
            type="date"
            value-format="yyyy-MM-dd" 
            placeholder="选择日期"
            size="small"
            style="width:100%"></el-date-picker></el-form-item>--><!--<el-form-item label="班级"><el-select v-model="student.clazzId" placeholder="请选择" style="width:100%"><el-option
              v-for="item in clazzList":key="item.value":label="item.name":value="item.id"/></el-select></el-form-item>--><el-form-item><el-button type="primary"@click="save('student')">提交</el-button><el-button @click="cancel('student')">取消</el-button></el-form-item></el-form></el-dialog><br><!--表格--><template><el-table :data="tableData" style="width: 100%" border @selection-change="handleSelectionChange"><el-table-column type="selection" width="55"  align="center"></el-table-column><el-table-column  prop="name"  label="姓名"  align="center"></el-table-column><!--<el-table-column prop="image" label="头像" align="center"><template slot-scope="{ row }"><el-image style="width: auto; height: 40px; border: none; cursor: pointer":src="row.image"></el-image></template></el-table-column>--><el-table-column  prop="no"  label="学号"  align="center"></el-table-column><el-table-column  prop="phone"  label="手机"  align="center"></el-table-column><el-table-column align="center" label="性别"><template slot-scope="scope"><span style="margin-right: 10px">{{scope.row.gender =="1"?"男":"女"}}</span></template></el-table-column><!--<el-table-column  prop="degree"  label="学年"  align="center"></el-table-column>--><!--<el-table-column  prop="violationCount"  label="违纪总数"  align="center"></el-table-column>--><!--<el-table-column  prop="violationScore"  label="违纪分数"  align="center"></el-table-column>--><el-table-column  prop="clazzId"  label="班级"  align="center"></el-table-column><!--<el-table-column align="center" label="职位"><template slot-scope="scope"><span style="margin-right: 10px" v-if="scope.row.job == 1">班主任</span><span style="margin-right: 10px" v-if="scope.row.job == 2">讲师</span><span style="margin-right: 10px" v-if="scope.row.job == 3">学工主管</span><span style="margin-right: 10px" v-if="scope.row.job == 4">教研主管</span></template></el-table-column>--><el-table-column align="center" label="入学日期"><template slot-scope="scope">{{ scope.row.createTime ? scope.row.createTime.replace('T',' '): '' }}</template></el-table-column><!--<el-table-column align="center" label="最后操作时间"><template slot-scope="scope">{{scope.row.updateTime ? scope.row.updateTime.replace('T',' '):''}}</template></el-table-column>--><el-table-column align="center" label="操作"><template slot-scope="scope"><el-button type="primary" size="small"@click="update(scope.row.id)">编辑</el-button><el-button type="danger" size="small"@click="deleteById(scope.row.id)">删除</el-button></template></el-table-column></el-table></template><br><!--分页工具条--><el-pagination
      @size-change="handleSizeChange"@current-change="handleCurrentChange":background="background":current-page="currentPage":page-sizes="[5, 10, 15, 20]":page-size="5"
      layout="total, sizes, prev, pager, next, jumper":total="totalCount"></el-pagination></div></template><script>import{ page, add, update, deleteById, selectById , findAll} from "@/api/student.js";// import { findAll } from "@/api/dept.js";import{ getToken } from '@/utils/auth';

export default{data(){return{
      background:true,// 每页显示的条数
      pageSize:5,// 总记录数
      totalCount:100,// 当前页码
      currentPage:1,// 添加数据对话框是否展示的标记
      dialogVisible:false,// 模型数据
      searchStudent:{
        name:"",
        gender:""},
      student:{
        name:"",
        no:"",
        gender:"",
        phone:"",
        degree:"",
        violationCount:"",
        violationScore:"",
        clazzId:""},
      clazzList:[],
      genderList:[{id:1,name:"男"},{id:2,name:"女"}],

      selectedIds:[],// 复选框选中数据集合
      multipleSelection:[],// 表格数据
      tableData:[],
      token:{token:getToken()},
      rules:{
          name:[{required:true, message:'请输入姓名', trigger:'blur'},{min:2, max:10, message: '长度在 2 到 10 个字符', trigger:'blur'}],
          gender:[{required:true, message:'请选择性别', trigger:'change'}]}};},mounted(){this.page();//当页面加载完成后,发送异步请求,获取数据findAll().then((result)=>{this.deptList = result.data.data;});},
  
  methods:{// 查询分页数据page(){page(this.searchStudent.name,this.searchStudent.gender,// this.beginTime,// this.endTime,this.currentPage,this.pageSize
      ).then((res)=>{this.totalCount = res.data.data.total;this.tableData = res.data.data.rows;});},// 复选框选中后执行的方法handleSelectionChange(val){this.multipleSelection = val;},// 查询方法onSubmit(){this.currentPage =1;this.page();},clear(){this.searchStudent ={name:"", gender:""};this.page();},// 添加数据save(formName){//校验表单this.$refs[formName].validate((valid)=>{if(valid){
            let operator;if(this.student.id){//修改
              operator =update(this.student);}else{//新增
              operator =add(this.student);}
            operator.then((resp)=>{if(resp.data.code ==1){this.dialogVisible =false;this.page();this.$message({ message:"恭喜你,保存成功", type:"success"});this.student ={ image:""};}else{this.$message.error(resp.data.msg);}});}});},update(id){//1. 打开窗口this.dialogVisible =true;//2. 发送请求selectById(id).then((result)=>{if(result.data.code ==1){this.student = result.data.data;this.student;}});},//分页handleSizeChange(val){// 重新设置每页显示的条数this.pageSize = val;this.page();},handleCurrentChange(val){// 重新设置当前页码this.currentPage = val;this.page();},//删除员工信息deleteById(id){this.$confirm("此操作将删除该数据, 是否继续?","提示",{
        confirmButtonText:"确定",
        cancelButtonText:"取消",
        type:"warning",}).then(()=>{//2. 发送AJAX请求deleteById(id).then((resp)=>{if(resp.data.code ==1){//删除成功this.$message.success("恭喜你,删除成功");this.page();}else{this.$message.error(resp.data.msg);}});}).catch(()=>{//用户点击取消按钮this.$message.info("已取消删除");});},// 批量删除员工信息deleteByIds(){// 弹出确认提示框this.$confirm("此操作将删除该数据, 是否继续?","提示",{
        confirmButtonText:"确定",
        cancelButtonText:"取消",
        type:"warning",}).then(()=>{//用户点击确认按钮//1. 创建id数组, 从 this.multipleSelection 获取即可for(let i =0; i <this.multipleSelection.length; i++){this.selectedIds[i]=this.multipleSelection[i].id;}//2. 发送AJAX请求deleteById(this.selectedIds).then((resp)=>{if(resp.data.code =="1"){//删除成功this.$message.success("恭喜你,删除成功");this.page();}else{this.$message.error(resp.data.msg);}});}).catch(()=>{//用户点击取消按钮this.$message.info("已取消删除");});},cancel(formName){this.dialogVisible =false;this.$refs[formName].resetFields();},//文件上传相关handleAvatarSuccess(res, file){this.student.image = res.data;},beforeAvatarUpload(file){const isJPG = file.type ==="image/jpeg";const isLt2M = file.size /1024/1024<2;if(!isJPG){this.$message.error("上传头像图片只能是 JPG 格式!");}if(!isLt2M){this.$message.error("上传头像图片大小不能超过 2MB!");}return isJPG && isLt2M;},},

  watch:{entrydate(val){if(val && val.length >=2){this.beginTime = val[0];this.endTime = val[1];}else{this.beginTime ="";this.endTime ="";}},},};</script><style>.avatar-uploader .el-upload {
  border:1px dashed #d9d9d9;
  border-radius:6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;}.avatar-uploader .el-upload:hover {
  border-color: #409eff;}.avatar-uploader-icon {
  font-size:28px;
  color: #8c939d;
  width:100px;
  height:100px;
  line-height:100px;
  text-align: center;}.avatar {
  width:100px;
  height:100px;
  display: block;}</style>
3.4.2、后端代码实现

实体类

@Data@NoArgsConstructor@AllArgsConstructorpublicclassStudent{privateInteger id;privateString name;privateString no;privateShort gender;privateString phone;privateShort degree;privateShort violationCount;privateShort violationScore;privateShort clazzId;privateLocalDateTime createTime;privateLocalDateTime updateTime;}
@Data@NoArgsConstructor@AllArgsConstructorpublicclassStudentData{privateList categoryList;privateList dataList;}

controller

packagecom.tlias.controller;importcom.github.pagehelper.Page;importcom.tlias.entity.PageBean;importcom.tlias.entity.Student;importcom.tlias.result.Result;importcom.tlias.service.StudentService;importlombok.extern.slf4j.Slf4j;importorg.springframework.beans.factory.annotation.Autowired;importorg.springframework.web.bind.annotation.*;importjava.util.List;@RestController@RequestMapping("/students")@Slf4jpublicclassStudentController{@AutowiredprivateStudentService studentService;@GetMappingpublicResultpage(String name,Short gender,@RequestParam(defaultValue ="1")Integer page,@RequestParam(defaultValue ="10")Integer pageSize){
        log.info("员工分页查询 page={},pageSize={}", page, pageSize);PageBean pageBean = studentService.page(page,pageSize,name,gender);returnResult.success(pageBean);}/**
     * 查询全部
     * @return
     */@GetMapping("/list")publicResultfindAll(){
        log.info("findAll...");List<Student> studentList = studentService.findAll();returnResult.success(studentList);}/**
     * 新增学生
     * @param student
     * @return
     */@PostMapping()publicResultsave(@RequestBodyStudent student){
        log.info("save student...{}",student);
        studentService.save(student);returnResult.success();}/**
     * 根据id查询学生
     * @param id
     * @return
     */@GetMapping("/{id}")publicResultfindById(@PathVariableLong id){
        log.info("findById...{}",id);Student student = studentService.findById(id);returnResult.success(student);}/**
     * 修改学生
     * @param student
     * @return
     */@PutMappingpublicResultupdate(@RequestBodyStudent student){
        log.info("update student...{}",student);
        studentService.update(student);returnResult.success();}/**
     * 删除
     * @param ids
     * @return
     */@DeleteMapping("/{ids}")publicResultdeleteById(@PathVariableList<Integer> ids){
        log.info("deleteById...{}",ids);
        studentService.deleteById(ids);returnResult.success();}}

service

publicinterfaceStudentService{/**
     * 分页查询
     * @param page
     * @param pageSize
     * @param name
     * @param gender
     * @return
     */PageBeanpage(Integer page,Integer pageSize,String name,Short gender);/**
     * 查询全部
     * @return
     */List<Student>findAll();/**
     * 新增学生
     * @param student
     */voidsave(Student student);/**
     * 根据id查询学生
     * @param id
     * @return
     */StudentfindById(Long id);/**
     * 修改学生
     * @param student
     */voidupdate(Student student);/**
     * 根据id删除
     * @param ids
     */voiddeleteById(List<Integer> ids);}
@ServicepublicclassStudentServiceImplimplementsStudentService{@AutowiredprivateStudentMapper studentMapper;/**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @param gender
     * @return
     */@OverridepublicPageBeanpage(Integer page,Integer pageSize,String name,Short gender){PageHelper.startPage(page,pageSize);List<Student> list = studentMapper.page(name,gender);Page<Student> studentPage =(Page<Student>) list;returnnewPageBean(studentPage.getTotal(),studentPage.getResult());}/**
     * 查询全部
     *
     * @return
     */@OverridepublicList<Student>findAll(){List<Student> studentList = studentMapper.findAll();return studentList;}/**
     * 新增学生
     *
     * @param student
     */@Overridepublicvoidsave(Student student){
        student.setCreateTime(LocalDateTime.now());
        student.setUpdateTime(LocalDateTime.now());
        studentMapper.save(student);}/**
     * 根据id查询学生
     *
     * @param id
     * @return
     */@OverridepublicStudentfindById(Long id){return studentMapper.findById(id);}/**
     * 修改学生
     *
     * @param student
     */@Overridepublicvoidupdate(Student student){
        student.setUpdateTime(LocalDateTime.now());
        studentMapper.update(student);}/**
     * 根据id删除
     *
     * @param ids
     */@OverridepublicvoiddeleteById(List<Integer> ids){
        studentMapper.deleteById(ids);}}

mapper

@MapperpublicinterfaceStudentMapper{@Select("SELECT clazz.`name` as 'class',COUNT(student.clazz_id) as 'classcount' "+"FROM clazz LEFT JOIN student ON student.clazz_id = clazz.id GROUP BY clazz.`name` ;")List<Map<String,Object>>getStudentData();/**
     * 分页查询
     * @param name
     * @param gender
     * @return
     */List<Student>page(@Param("name")String name,@Param("gender")Short gender);/**
     * 查询全部
     * @return
     */@Select("select * from student")List<Student>findAll();/**
     * 新增学生
     * @param student
     */@Insert("insert into student(name, no, gender, phone,clazz_id, create_time, update_time) "+"value(#{name},#{no},#{gender},#{phone},#{clazzId},#{createTime},#{updateTime})")voidsave(Student student);/**
     * 根据id查询学生
     * @param id
     * @return
     */@Select("select * from student where id = #{id};")StudentfindById(Long id);/**
     * 修改学生
     * @param student
     */@Update("update student set name = #{name},no = #{no},gender = #{gender},"+"phone = #{phone},clazz_id = #{clazzId} where id = #{id}")voidupdate(Student student);/**
     * 根据id删除
     * @param ids
     */voiddeleteById(@Param("ids")List<Integer> ids);}
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE mapper PUBLIC"-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.tlias.mapper.StudentMapper"><delete id="deleteById">
        delete from student where id in
        <foreach collection="ids" item="id" separator=","open="(" close=")">
            #{id}</foreach></delete><select id="page" resultType="com.tlias.entity.Student">
        select * from student
        <where><if test="name != null and name != ''">
                name like concat('%',#{name},'%')</if><if test="gender != null">
                and gender != #{gender}</if></where></select></mapper>
3.5、数据统计
3.5.1、前端核心代码
<template><div class="chart-container"><div  style="width: 50%; "><h1>员工性别统计</h1><br><div id="myChart1"  style="width: 100%; height: 500px"></div></div><div  style="width: 50%; "><h1>员工职位统计</h1><br><div id="myChart2"  style="width: 100%; height: 500px"></div></div></div></template><script>import* as echarts from 'echarts'
import{ getGenderData, getJobData } from "@/api/report.js";

export default{data(){return{
      genderCountList:[],
      jobCategoryList:[],
      jobDataList:[]}},mounted(){this.getGenderData();//获取员工性别统计数据this.getJobData();//获取员工职位统计数据},

  methods:{//获取员工性别统计数据getGenderData(){getGenderData().then((result)=>{if(result.data.code ==1){this.genderCountList = result.data.data;this.initChart1();}});},//获取员工职位统计数据getJobData(){getJobData().then((result)=>{if(result.data.code ==1){this.jobCategoryList = result.data.data.categoryList;this.jobDataList = result.data.data.dataList;this.initChart2();}});},initChart1(){// 获取图表容器, 创建图表实例
      let myChart = echarts.init(document.querySelector('#myChart1'));
       
      let option ={
        tooltip:{
          trigger:'item'},
        legend:{
          top:'5%',
          left:'center'},
        series:[{
            name:'员工性别统计',
            type:'pie',
            radius:['40%','70%'],
            avoidLabelOverlap:false,
            itemStyle:{
              borderRadius:10,
              borderColor:'#fff',
              borderWidth:2},
            label:{
              show:false,
              position:'center'},
            emphasis:{
              label:{
                show:true,
                fontSize:40,
                fontWeight:'bold'}},
            labelLine:{
              show:false},
            data:this.genderCountList
          }]};// 绘制图表
      myChart.setOption(option);},initChart2(){// 获取图表容器, 创建图表实例
      let myChart = echarts.init(document.querySelector('#myChart2'));
       
      let option ={
        xAxis:{
          type: 'category',
          data:this.jobCategoryList
        },
        yAxis:{
          type:'value'},
        series:[{
            data:this.jobDataList,
            type:'bar'}]};// 绘制图表
      myChart.setOption(option);}}};</script><style>
  h1 {
    text-align: center;}.chart-container {
    display: flex;}.chart-container > div {
    flex:1;}</style>
3.5.2、后端代码实现

实体类

@DatapublicclassPieChartData{privateString name;privateString value;}
@Data@NoArgsConstructor@AllArgsConstructorpublicclassStudentData{privateList categoryList;privateList dataList;}

controller

@RestController@RequestMapping("/report")@Slf4jpublicclassReportController{@AutowiredprivateReportService service;@GetMapping("/empGenderData")publicResultgetEmpGenderData(){
        log.info("员工性别信息信息");List<PieChartData> list = service.getEmpGenderData();returnResult.success(list);}@GetMapping("/empJobData")publicResultgetEmpJobData(){
        log.info("员工职位信息");JobData jobData  = service.getEmpJobData();returnResult.success(jobData);}@GetMapping("/studentData")publicResultgetStudentData(){
        log.info("学员人数统计");StudentData studentData = service.getStudentData();returnResult.success(studentData);}}

service层

publicinterfaceReportService{/**
     * 员工性别统计
     * @return
     */List<PieChartData>getEmpGenderData();/**
     * 员工职位信息统计
     * @return
     */JobDatagetEmpJobData();/**
     * 学员统计
     * @return
     */StudentDatagetStudentData();}
@ServicepublicclassReportServiceImplimplementsReportService{@AutowiredprivateEmpMapper empMapper;@AutowiredprivateStudentMapper studentMapper;/**
     * 员工性别统计
     *
     * @return
     */@OverridepublicList<PieChartData>getEmpGenderData(){List<PieChartData> list = empMapper.getEmpGenderData();return list;}/**
     * 员工职位信息统计
     *
     * @return
     */@OverridepublicJobDatagetEmpJobData(){List<Map<String,Object>> mapList = empMapper.getEmpJobData();System.out.println(mapList);if(!CollectionUtils.isEmpty(mapList)){List<Object> categoryList = mapList.stream().map(map ->{return map.get("job");}).collect(Collectors.toList());List<Object> dataList = mapList.stream().map(map ->{return map.get("jobcount");}).collect(Collectors.toList());JobData jobData =newJobData();
            jobData.setCategoryList(categoryList);
            jobData.setDataList(dataList);System.out.println(jobData);return jobData;}returnnull;}/**
     * 学员统计
     *
     * @return
     */@OverridepublicStudentDatagetStudentData(){List<Map<String,Object>> mapList = studentMapper.getStudentData();System.out.println(mapList);if(!CollectionUtils.isEmpty(mapList)){List<Object> categoryList = mapList.stream().map(map ->{return map.get("class");}).collect(Collectors.toList());List<Object> dataList = mapList.stream().map(map ->{return map.get("classcount");}).collect(Collectors.toList());returnnewStudentData(categoryList,dataList);}returnnull;}}
3.6、登录功能

我们已经实现了部门管理、员工管理的基本功能,但是大家会发现,我们并没有登录,就直接访问到了后台。 这是不安全的,所以要做登录认证。 最终我们要实现的效果就是用户必须登录之后,才可以访问后台系统中的功能

JWT令牌最典型的应用场景就是登录认证:

  1. 在浏览器发起请求来执行登录操作,此时会访问登录的接口,如果登录成功之后,我们需要生成一个jwt令牌,将生成的 jwt令牌返回给前端。
  2. 前端拿到jwt令牌之后,会将jwt令牌存储起来。在后续的每一次请求中都会将jwt令牌携带到服务端。
  3. 服务端统一拦截请求之后,先来判断一下这次请求有没有把令牌带过来,如果没有带过来,直接拒绝访问,如果带过来了,还要校验一下令牌是否是有效。如果有效,就直接放行进行请求的处理。

在JWT登录认证的场景中我们发现,整个流程当中涉及到两步操作:

  1. 在登录成功之后,要生成令牌。
  2. 每一次请求当中,要接收令牌并对令牌进行校验。
3.6.1、前端核心代码
<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">Tlias智能学习辅助系统</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">Login</el-button>

    </el-form>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import { login } from '@/api/user'
import { setToken } from '@/utils/auth'
export default {
  name: 'Login',
  data() {

    //用户名校验规则
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    }

    //用户名校验规则
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码长度至少为6位'))
      } else {
        callback()
      }
    }

    //数据模型
    return {
      loginForm: {
        username: 'jinyong',
        password: '123456'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },

  methods: {
    //展示密码
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    
    //登录方法
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          
          //调用登录后端接口
          login(this.loginForm).then((result) => {
            console.log(result)
            if (result.data.code == 1) {
              setToken(result.data.data);
              console.log('login success');
              this.$router.push('/');
            } else {
              this.$message.error(result.data.msg);
              this.loading = false
            }
          });
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
      font-family: '楷体';
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
3.6.2、后端代码实现

创建工具类,实现jwt令牌的发放和解析

publicclassJwtUtils{privatestaticString signKey ="jwtHelloWorld";privatestaticLong expire =60*60*1000L;publicstaticStringgenerateToken(Map<String,Object> claims){String token =Jwts.builder().setClaims(claims).signWith(SignatureAlgorithm.HS256, signKey).setExpiration(newDate(System.currentTimeMillis()+ expire)).compact();return token;}publicstaticClaimsparseToken(String token){Claims claims =Jwts.parser().setSigningKey(signKey).parseClaimsJws(token).getBody();return claims;}}

创建拦截器,进行拦截

/**
 * 自定义拦截器
 */@Component@Slf4jpublicclassLoginCheckInterceptorimplementsHandlerInterceptor{@OverridepublicbooleanpreHandle(HttpServletRequest request,HttpServletResponse response,Object handler)throwsException{//1、获取请求urlString url = request.getRequestURI().toString();//3、获取请求头中的tokenString token = request.getHeader("token");if(!StringUtils.hasLength(token)){//不存在
            log.info("获取令牌为空");Result notLogin =Result.error("NOT_LOGIN");String json =JSONObject.toJSONString(notLogin);
            response.getWriter().write(json);returnfalse;}//4、解析token,失败则未登录try{Claims claims =JwtUtils.parseToken(token);}catch(Exception e){
            log.info("解析令牌错误");Result notLogin =Result.error("NOT_LOGIN");String json =JSONObject.toJSONString(notLogin);
            response.getWriter().write(json);returnfalse;}//5、放行returntrue;}@OverridepublicvoidpostHandle(HttpServletRequest request,HttpServletResponse response,Object handler,ModelAndView modelAndView)throwsException{System.out.println("postHandle");}@OverridepublicvoidafterCompletion(HttpServletRequest request,HttpServletResponse response,Object handler,Exception ex)throwsException{System.out.println("afterCompletion");}}

controller层

@RestController@Slf4jpublicclassLoginController{@AutowiredprivateEmpService empService;@PostMapping("/login")publicResultlogin(@RequestBodyEmp emp){
        log.info("员工登录{}",emp);Emp empLogin = empService.login(emp);if(empLogin !=null){Map<String,Object> map =newHashMap<>();
            map.put("id", empLogin.getId());
            map.put("username", empLogin.getUsername());String token =JwtUtils.generateToken(map);returnResult.success(token);}returnResult.error("查无此用户");}}

本文转载自: https://blog.csdn.net/weixin_53961667/article/details/140423563
版权归原作者 小林学习编程 所有, 如有侵权,请联系我们删除。

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