网站登录总是会用到验证码,生成验证码对于C#来说很简单.因为有专门封装好的GDI+类可以直接调用使用具体代码如下 using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Drawing; namespace Ajax.验证码 { public part…
package com.demo.test1; import java.security.NoSuchAlgorithmException; import java.security.SecureRandom; import java.util.regex.Matcher; import java.util.regex.Pattern; public class HighArray { private final static int OFFSET = 538309; public static…