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java实现动态验证码源代码——绘制验证码的jsp

接着上一篇的前台jsp页面，我们单独写一个绘制验证码的jsp页面：1.<%@ page contentType="image/jpeg" import="java.awt.*,java.awt.image.*,java.util.*,javax.imageio.*" pageEncoding....

java实现动态验证码源代码——jsp页面

 我们通常在其他网站注册或者登陆的时候会发现一个很高大上的验证码，那么怎么用java代码实现呢？下面我给大家贴一下我写的方法：   此文章是写的前台jsp页面的代码：<%@ page language="java" import="java.util.*" pag...

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