JSP作业3 - 使用JSP实现简单的用户登录注册页面
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
<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="stylesheet">
head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="./">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">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="stylesheet">
head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="./">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">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" 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="stylesheet">
head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="./">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">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" 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="stylesheet">
head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="./">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">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" 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="stylesheet">
head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="./">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">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("注册成功");
out.println(""
);
out.println("用户名：" + username + "");
out.println("密码：" + password + "");
out.println("");
}
else{
out.println("两次密码输入不一致，请重新输入");
}
%>
div>
效果
