实验要求：
将实验2中的系统用户登录和注册页面改为JSP页面，并部署自己的Web应用于Tomcat服务器中
具体要求：
完成登录JSP页面设计和注册页面设计
在登录页面表单中使用request对象获取用户信息，建立新的JSP页面完成登录验证（用户名和密码自己指定即可）。
验证结果显示（如登录成功/用户名密码错误，可以使用JavaScript，也可以使用新的JSP页面）。
在注册页面表单中使用request对象获取用户注册信息（注册项目由自己指定），在新的JSP页面显示用户注册信息，并提示注册成功。
代码
登录页面index.html
!DOCTYPE html>
html lang="zh-CN">
head>
meta charset="utf-8">
meta http-equiv="X-UA-Compatible" content="IE=edge">
meta name="viewport" content="width=device-width, initial-scale=1">
title>jsp作业/title>
link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
div class="container-fluid">
div class="navbar-header">
a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作业/a>
/div>
div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
ul class="nav navbar-nav navbar-right">
li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登录/a>/li>
/ul>
/div>
/div>
/nav>
div class="container">
div class="jumbotron">
h1>Hello, world!/h1>
p>这是一个jsp作业/p>
/div>
/div>
/body>
/html>
登录页面login.jsp
%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
meta charset="utf-8">
meta http-equiv="X-UA-Compatible" content="IE=edge">
meta name="viewport" content="width=device-width, initial-scale=1">
title>登录/title>
link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
div class="container-fluid">
div class="navbar-header">
a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作业/a>
/div>
div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
ul class="nav navbar-nav navbar-right">
li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登录/a>/li>
/ul>
/div>
/div>
/nav>
div class="container">
div class="row">
div class="col-md-4">
/div>
div class="col-md-4">
form class="form-signin" method="post" action="login-check.jsp">
h2 class="form-signin-heading">登录到jsp作业/h2>
label for="">用户名/label>
input type="text" name="username" id="username" class="form-control" placeholder="请输入用户名" required autofocus>br>
label for="">密码/label>
input type="password" name="password" id="password" class="form-control" placeholder="请输入密码" required>
div class="checkbox">
label>
input type="checkbox" value="remember-me" checked="checked"> 记住密码
/label>
/div>
button type="submit" class="btn btn-primary" id="btn-login">登录/button>
a href="reg.jsp" rel="external nofollow" rel="external nofollow" class="btn btn-default">注册/a>
/form>
/div>
div class="col-md-4">
/div>
/div>
/body>
/html>
登录结果页面login-check.jsp
%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
meta charset="utf-8">
meta http-equiv="X-UA-Compatible" content="IE=edge">
meta name="viewport" content="width=device-width, initial-scale=1">
title>登录/title>
link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
div class="container-fluid">
div class="navbar-header">
a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作业/a>
/div>
div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
ul class="nav navbar-nav navbar-right">
li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登录/a>/li>
/ul>
/div>
/div>
/nav>
div class="container">
div class="row">
div class="col-md-4">
/div>
div class="col-md-4">
form class="form-signin" method="post" action="login-check.jsp">
h2 class="form-signin-heading">登录到jsp作业/h2>
label for="">用户名/label>
input type="text" name="username" id="username" class="form-control" placeholder="请输入用户名" required autofocus>br>
label for="">密码/label>
input type="password" name="password" id="password" class="form-control" placeholder="请输入密码" required>
div class="checkbox">
label>
input type="checkbox" value="remember-me" checked="checked"> 记住密码
/label>
/div>
button type="submit" class="btn btn-primary" id="btn-login">登录/button>
a href="reg.jsp" rel="external nofollow" rel="external nofollow" class="btn btn-default">注册/a>
/form>
/div>
div class="col-md-4">
/div>
/div>
/body>
/html>
注册页面reg.jsp
%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
meta charset="utf-8">
meta http-equiv="X-UA-Compatible" content="IE=edge">
meta name="viewport" content="width=device-width, initial-scale=1">
title>注册/title>
link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
div class="container-fluid">
div class="navbar-header">
a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作业/a>
/div>
div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
ul class="nav navbar-nav navbar-right">
li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登录/a>/li>
/ul>
/div>
/div>
/nav>
div class="container">
div class="row">
div class="col-md-4">
/div>
div class="col-md-4">
form class="form-signin" action="reg-submit.jsp" method="post">
h2 class="form-signin-heading">注册到jsp作业/h2>
div id="info">
/div>
label for="">用户名/label>
input type="text" name="username" id="username" class="form-control" placeholder="请输入用户名" required autofocus>br>
label for="">密码/label>
input type="password" name="password" id="password" class="form-control" placeholder="请输入密码" required>br>
label for="">重复密码/label>
input type="password" name="password2" id="password2" class="form-control" placeholder="请再次输入密码" required maxLength="16">br>
button type="submit" class="btn btn-primary" id="btn-reg">注册/button>
a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="btn btn-default" id="btn-reg">返回登录/a>
/form>
/div>
div class="col-md-4">
/div>
/div>
/body>
/html>
注册结果页面reg-submit.jsp
%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
meta charset="utf-8">
meta http-equiv="X-UA-Compatible" content="IE=edge">
meta name="viewport" content="width=device-width, initial-scale=1">
title>结果/title>
link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
div class="container-fluid">
div class="navbar-header">
a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作业/a>
/div>
div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
ul class="nav navbar-nav navbar-right">
li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登录/a>/li>
/ul>
/div>
/div>
/nav>
div class="container">
% String username = request.getParameter("username");
String password = request.getParameter("password");
String password2 = request.getParameter("password2");
%>
%
if(password.equals(password2)){
out.println("div class='alert alert-success' role='alert'>注册成功/div>");
out.println("ul class='list-group'>");
out.println("li class='list-group-item'>用户名：" + username + "/li>");
out.println("li class='list-group-item'>密码：" + password + "/li>");
out.println("/ul>");
}
else{
out.println("div class='alert alert-danger' role='alert'>两次密码输入不一致，请重新输入/div>");
}
%>
!-- %=username %>
%=password %>
%=password2 %> -->
/div>
效果
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