思路:创建登入界面(login),再创建登入成功与登入失败界面(loginsuccess与loginfail),再创建注册成功界面(registersuccess)与注册界面(register)以及总控制文件(check)通过form标签的action将他们连接起来。
第一步
首先我们来看看效果
登入界面(login)
登入成功与登入失败(loginsuccess与loginfail)
注册界面(register)
注册成功(registersuccess)
第二步
创建项目,再添加框架支持,把文件全部创建到通一个目录里面,新建image文件夹,放入我们的背景图片(可爱的小姐姐),如图:
在login文件写入
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>登入界面</title></head><body><h1>登录界面</h1><form method="post" action="check.jsp"><input type="text" name="user"><br><input type="password" name="pass"><br><button type="submit" value="login">登入</button><a href="register.jsp">注册</a></form></body></html>
在register文件写入
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>Title</title></head><body><h2>注册界面</h2><form method="post" action="registersuccess.jsp">
请输入您的用户名:<input type="text" name="user" size="20"><br>
请输入您的密码:<input type="password" name="pass" size="20"><br><button type="submit" value="login">注册</button><button type="submit" value="login">重置</button></form></body></html>
在registersuccess文件写入
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>Title</title></head><body><form method="post" action="check.jsp"><%
String user ="a";
String pass ="b";if(request.getParameter("user")!=null && request.getParameter("pass")!= null){
user = request.getParameter("user");
session.setAttribute("user",user);
pass = request.getParameter("pass");
session.setAttribute("pass",pass);}%><h2>恭喜您注册成功!</h2><br>
您的用户名是:<%=user%><br>
您的密码是:<%=pass%></form><a href="login.jsp">返回登录界面</a></body></html>
在loginsuccess文件写入
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>Title</title></head><body><h2 align="center">登录成功</h2></body></html>
在loginfail文件写入
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>Title</title></head><body><h2 align="center">登录失败</h2><h3 align="center"><a href="login.jsp" style="color:#FAAF46; font-size:10px">返回登录页面</a></h3></body></html>
在check文件写入
<%--
Created by IntelliJ IDEA.
User: 小熊
Date:2022/3/24
Time:15:53
To change thistemplate use File | Settings | File Templates.--%><%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>Title</title></head><body><form method="post" action=""><%
String user=(String)session.getAttribute("user");
String pass=(String)session.getAttribute("pass");
String name=request.getParameter("user");
session.setAttribute("name", name);
String password1=request.getParameter("pass");
session.setAttribute("password", password1);if(user.equals(name)&&password1.equals(pass)){ response.sendRedirect("loginsuccess.jsp");}else
response.sendRedirect("loginfail.jsp");%></form></body></html>
那么我们来看看效果:
巨丑无比
第三步
我们加点css美化一下:
在login文件加入(字体居中效果,背景图片,按钮的透明度,输入框的透明度等)
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>注册失败界面</title><style type="text/css">.center{
text-align:center;
margin-top:50px;}.fon{
font-size:40px;}.fon1{
font-size:20px;}
body{
background:url("images/wallhaven-wqrm7r.jpg");
background-size:100%100%;}
input {
background-color: transparent;
outline: none;
color: black;}</style></head><body><h2></h2><div class="center"><p class="fon">注册失败界面</p><p class="fon1">对不起,您输入的有误,请返回注册界面</p><a href="register.jsp">返回注册界面</a></div></body></html>
在loginsuccess文件加入(字体居中效果,背景图片)
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>登入成功界面</title><style type="text/css">.center{
text-align:center;
margin-top:50px;}.fon{
font-size:40px;}
body{
background:url("images/wallhaven-wqrm7r.jpg");
background-size:100%100%;}
input {
background-color: transparent;
outline: none;
color: black;}</style></head><body><div class="center"><p class="fon">登入成功界面</p><p class="fon1">恭喜您成功登入,欢迎使用</p></div></body></html>
在loginfail文件加入(字体居中效果,背景图片)
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>登入失败界面</title><style type="text/css">.center{
text-align:center;
margin-top:50px;}.fon{
font-size:40px;}
body{
background:url("images/wallhaven-wqrm7r.jpg");
background-size:100%100%;}
input {
background-color: transparent;
outline: none;
color: black;}</style></head><body><div class="center"><p class="fon">登入失败界面</p><p class="fon1">对不起,您账号或密码有误,请返回登入界面</p><a href="login.jsp">返回登入界面</a></div></body></html>
在register文件加入(字体居中效果,背景图片,按钮的透明度,输入框的透明度等)
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>注册界面</title><style type="text/css">.center{
text-align:center;
margin-top:50px;}.fon{
font-size:40px;}
body{
background:url("images/wallhaven-wqrm7r.jpg");
background-size:100%100%;}
input {
background-color: transparent;
outline: none;
color: black;}.clear{
opacity:0.3;}</style></head><body><div class="center"><p class="fon">注册界面</p><p>请输入您的用户名和密码进行注册</p><form method="post" action="registersuccess.jsp">
用户名:<input type="text" name="user" name="user" style="width: 300px;height: 50px" placeholder="请输入用户名:"><br>
密码: <input type="password" name="pass" name="user" style="width: 300px;height: 50px" placeholder="请输入密码:"><br><button type="submit" style="width:80px;height:40px; font-size: 20px"class="clear">注册</button><button type="reset" style="width:80px;height:40px; font-size: 20px"class="clear">重置</button><br></form></div></body></html>
在registersuccess文件加入(字体居中效果,背景图片)
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>注册成功界面</title><style type="text/css">.center{
text-align:center;
margin-top:50px;}.fon{
font-size:40px;}.fon1{
font-size:20px;}
body{
background:url("images/wallhaven-wqrm7r.jpg");
background-size:100%100%;}
input {
background-color: transparent;
outline: none;
color: black;}</style></head><body><form method="post" action="check.jsp"><%
String user = null;
String pass = null;if(request.getParameter("user")!=null && request.getParameter("pass")!= null){
user = request.getParameter("user");
session.setAttribute("user",user);
pass = request.getParameter("pass");
session.setAttribute("pass",pass);}%><div class="center"><p class="fon">注册成功界面</p><p class="fon1">恭喜您已经注册成功 !</p><p class="fon1">您的用户名是:<%=user%></p><p class="fon1">您的密码是:<%=pass%></p><a href="login.jsp">返回登入界面</a></div></form></body></html>
check不变
<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>检查界面</title></head><body><form method="post" action=""><%
String user =(String) session.getAttribute("user");
String pass =(String) session.getAttribute("pass");
String user1 = request.getParameter("user");
session.setAttribute("user1",user1);
String pass1 = request.getParameter("pass");
session.setAttribute("pass1",pass1);if(user.equals(user1)&& pass.equals(pass1)){
response.sendRedirect("loginsuccess.jsp");}else{
response.sendRedirect("loginfail.jsp");}%></form></body></html>
(编辑好配置)点击运行效果就出来了。
(求关注)写代码写的好累啊,今天八节课,写代码写博客写到22点了,洗澡去了。
后面会更新android,jquery,jsp,蓝桥杯等等。
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