YongHu_UI/yiban/CaptchaHandler.ashx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using YongHu_UI.Model;
using System.Web.SessionState;

namespace YongHu_UI.yiban
{
    /// <summary>
    /// CaptchaHandler 的摘要说明
    /// </summary>
    public class CaptchaHandler : IHttpHandler,IRequiresSessionState
    {

        public void ProcessRequest(HttpContext context)
        {
            CaptchaGenerator captcha = new CaptchaGenerator(4, 2);
            context.Session["code"] = captcha.Text;/*拿到验证码*/
            var a = context.Session["code"];
            //context.Session.Add("code", captcha.Text);
            //图片
            captcha.Image.Save(context.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);

            context.Response.ContentType = "image/Jpeg";
            context.Response.End();
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}