jsp 显示验证码 kaptcha-2.3.2.jar实例代码

基本信息

源码名称：jsp 显示验证码 kaptcha-2.3.2.jar实例代码

源码大小：0.37M

文件格式：.rar

开发语言：Java

更新时间：2015-04-27

源码介绍

【实例简

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() "://" request.getServerName() ":" request.getServerPort() path "/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>
  
  <body>
  <!-- String c = (String) session  
                    .getAttribute(com.google.code.kaptcha.Constants.KAPTCHA_SESSION_KEY);  
            String parm = (String) request.getParameter("kaptchafield");   -->
    <img src="Kaptcha.jpg?Math.random()"  />  
  </body>
</html>

介】