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HttpWebRequest myrequest = HttpWebRequest.Create("http://mmbiz.qpic.cn/mmbiz/Db87tZbia5sR9asialanjAVKVRD7AuYIwiagyOwL05z1ZxZLVgVq6BoniaQ48NpXiazsuvB6FLugVtTvq2Ay2wNlSicw/0?wx_fmt=gif&wxfrom=5&wx_lazy=1") as HttpWebRequest;
myrequest.Referer = "http://mp.weixin.qq.com";
WebResponse myresponse = myrequest.GetResponse();
Stream imgstream = myresponse.GetResponseStream();
System.Drawing.Image img = System.Drawing.Image.FromStream(imgstream);
MemoryStream ms = new MemoryStream();
img.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
Response.ClearContent(); //需要输出图象信息 要修改HTTP头
Response.ContentType = "image/gif";
Response.BinaryWrite(ms.ToArray());
为何输出的gif 图片,不会动呢?