token生成代码:
<%
//生成一个唯一的串
String token = UUID.randomUUID().toString();
// 将这个唯一的串 存到 session 域对象中去
session.setAttribute("token_session", token);
%>
验证token代码
<%@page import="java.util.UUID"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
//生成一个唯一的串
String token = UUID.randomUUID().toString();
// 将这个唯一的串 存到 session 域对象中去
session.setAttribute("token_session", token);
%>
<h3>客户信息添加的页面</h3>
<form action="${pageContext.request.contextPath }/add" method="post">
<table>
<tr>
<td>姓名</td>
<td>
<input type="text" name="name">
</td>
</tr>
<tr>
<td>性别</td>
<td>
<input type="radio" name="gender" value="male">男
<input type="radio" name="gender" value="female">女
</td>
</tr>
<tr>
<td>生日</td>
<td>
<input type="text" name="birthday">
</td>
</tr>
<tr>
<td>邮箱</td>
<td>
<input type="text" name="email">
</td>
</tr>
<tr>
<td>手机</td>
<td>
<input type="text" name="cellphone">
</td>
</tr>
<tr>
<td>爱好</td>
<td>
<input type="checkbox" name="preference" value="弹棉花">弹棉花
<input type="checkbox" name="preference" value="玩毛线">玩毛线
<input type="checkbox" name="preference" value="夜生活">夜生活
<input type="checkbox" name="preference" value="敲代码">敲代码
<input type="checkbox" name="preference" value="睡觉">睡觉
</td>
</tr>
<tr>
<td>类型</td>
<td>
<select name="type">
<option value="普通">普通</option>
<option value="VIP">VIP</option>
<option value="超白金">超白金</option>
</select>
</td>
</tr>
<tr>
<td>描述</td>
<td>
<textarea rows="5" cols="75" name="description"></textarea>
<input type="hidden" name="token" value="${token_session }">
</td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="添加">
</td>
</tr>
</table>
</form>
</body>
</html>