前端的 jsp 页面:
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<meta charset="utf-8" />
<title>登录</title>
<link type="text/css" rel="stylesheet" href="css/signPage.css"/>
<link type="text/css" rel="stylesheet" href="css/common.css"/>
</head>
<body>
<%@include file="header.jsp"%>
<div class="middleWrapper">
<div class="formContainer">
<form method="POST" action="http://127.0.0.1:8080/controller/SignInServlet">
<h2 class="formTitle">登录</h2>
邮箱:<br/>
<input type="text" name="email"/><br/>
密码:<br/>
<input type="password" name="password" /><br/>
<input type="submit" class="button" value="登录" />
<input type="button" class="button" style="float:right" value="注册" onclick="location.href='./signUp.jsp'"/>
</form>
</div>
</div>
</body>
</html>

