HttpWebRequest sendreq1sessionidpost = WebRequest.Create("https://login.taobao.com/member/login.jhtml") as HttpWebRequest;
sendreq1sessionidpost.Method = "post";
sendreq1sessionidpost.CookieContainer = ShareData.taoCookie;
sendreq1sessionidpost.ContentType = "application/x-www-form-urlencoded";
sendreq1sessionidpost.Headers.Add("Pragma", "no-cache");
sendreq1sessionidpost.Headers.Add("Cache-Control", "no-cache");
sendreq1sessionidpost.UserAgent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11";
UserAgent 试10次可能成功一次,是为什么啊?
9次会提示浏览器版本低,但系统也默认了火狐。
![图片说明](https://img-ask.csdn.net/upload/201605/10/1462843327_501725.jpg)
但试10次,这UserAgent可能成功一次,,,,晕了。。。