JSP作业3 - 使用JSP实现简单的用户登录注册页面

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原创最新推荐文章于 2026-04-25 09:12:49 发布 8.4w 阅读 AI 写同款· GEO 优化 ›

Jsp实现简单登录、注册、以及简单计算等功能 Jsp老师布置的一个作业，提供了几个题目，让我们用Jsp实现一些简单的功能，新手上路，做的比较菜，如果大家有需要的欢迎大家浏览，如果觉得我的代码里面有什么错误清大家指正，感谢！目录一、登录界面二、用户注册三、主要可进行的操作 1、操作选择界面 2、查看账号密码（Cookie） 3、选择选修课程 4、计算n的阶乘 5、计算器（加减乘除） 6、计算x的y次方四、结语 ... 阅读详情

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="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("<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>