摘要：
src="code.aspx"改成src="code.aspx?id="+Math.random();验证码页面：using System;using System.Collections.Generic;using System.Linq;using System.Drawing;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class code : System.Web.UI.Page{ protected void Page_L 阅读全文
