如何获取跳转后的地址。

Question

本帖最后由 terry2018 于 2014-02-21 13:23:03 编辑

Answer 1

用httpwebrequest， 设置AllowAutoRedirect=false
  
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Answer 2

string url = @"http://jump.zhineng.58.com/clk?target=mv7V0A-b5HThmvqfpv--5yOdUAkhuA-1pyEquH9LnWmOnjbVm19zuBYYmh7bsHbOnjnVPyuWuhPhPHbvnAubFMP_ULEqUA-1IAQ-uMEhuA-1IAYqnHnOnWbdnWmOPj93PBuzuymqpZwY0jCfsvFJsWN3shPfUiqWpZRlIith0vqd0hP-5HDhIh-1Iy-b5HDvP1DYnjm1rHnQrHDQFMuG0LRG0jYQnWn8nHD1sWn3sW0dFhR8IZwk5HTh0A7zmyYqFh-1ug6YuyOb5yu6UZP-FMK_uWYVniudpyEqnHEYrjcvP19dPWTzPWnhmvQopyEqn1nzmHRWmycVPWNdPaYYuHKBsyDzrH0VmhnOmvcYuymLrjckFMKGujYOFhR8IA-b5HDvrHT3nW0znH9OPH0vFhR8IZwk5HTh0ZFGmvNqnHbQFMF-uA-z5y6YIZTlszqBpB3draOWUvYfXMRhmyOMs1DvrHT3nW0znH9OPH0vXaO1pZwVUaubpgPkULnqniu1IyFGujYdnjbQnWb1FhPzuy7YuyEqPHT3P1nknzukmgF6Uy-b5iubpgPWmHY3FMP-UAuWmHY3FhwG0vQf5HDh0vR_uhQf5HDh0HYQPjbhmyFY5yD";
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
            request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.2; zh-CN; rv:1.8.1.8) Gecko/20071008 Firefox/2.0.0.8";
            request.Accept = "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
            request.AllowAutoRedirect = true;
            request.Headers.Add(HttpRequestHeader.AcceptCharset, "gb2312,utf-8;q=0.7,*;q=0.7");
            request.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate");
            request.Headers.Add(HttpRequestHeader.Cookie, "id58=05dz8VMG5yk8RCViPEsFAg==; city=wz; 58home=wz; ipcity=wz%7C%u6E29%u5DDE; myfeet_tooltip=end; __utma=253535702.1542940914.1392961328.1392961328.1392961328.1; __utmc=253535702; __utmz=253535702.1392961328.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)");
            request.Timeout = 30000;
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            if (stream != null)
            {
                string s = response.ResponseUri.ToString()
            }
            response.Close();

Answer 3

string url = @"http://jump.zhineng.58.com/clk?target=mv7V0A-b5HThmvqfpv--5yOdUAkhuA-1pyEquH9LnWmOnjbVm19zuBYYmh7bsHbOnjnVPyuWuhPhPHbvnAubFMP_ULEqUA-1IAQ-uMEhuA-1IAYqnHnOnWbdnWmOPj93PBuzuymqpZwY0jCfsvFJsWN3shPfUiqWpZRlIith0vqd0hP-5HDhIh-1Iy-b5HDvP1DYnjm1rHnQrHDQFMuG0LRG0jYQnWn8nHD1sWn3sW0dFhR8IZwk5HTh0A7zmyYqFh-1ug6YuyOb5yu6UZP-FMK_uWYVniudpyEqnHEYrjcvP19dPWTzPWnhmvQopyEqn1nzmHRWmycVPWNdPaYYuHKBsyDzrH0VmhnOmvcYuymLrjckFMKGujYOFhR8IA-b5HDvrHT3nW0znH9OPH0vFhR8IZwk5HTh0ZFGmvNqnHbQFMF-uA-z5y6YIZTlszqBpB3draOWUvYfXMRhmyOMs1DvrHT3nW0znH9OPH0vXaO1pZwVUaubpgPkULnqniu1IyFGujYdnjbQnWb1FhPzuy7YuyEqPHT3P1nknzukmgF6Uy-b5iubpgPWmHY3FMP-UAuWmHY3FhwG0vQf5HDh0vR_uhQf5HDh0HYQPjbhmyFY5yD";
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
            request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.2; zh-CN; rv:1.8.1.8) Gecko/20071008 Firefox/2.0.0.8";
            request.Accept = "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
            request.AllowAutoRedirect = true;
            request.Headers.Add(HttpRequestHeader.AcceptCharset, "gb2312,utf-8;q=0.7,*;q=0.7");
            request.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate");
            request.Headers.Add(HttpRequestHeader.Cookie, "id58=05dz8VMG5yk8RCViPEsFAg==; city=wz; 58home=wz; ipcity=wz%7C%u6E29%u5DDE; myfeet_tooltip=end; __utma=253535702.1542940914.1392961328.1392961328.1392961328.1; __utmc=253535702; __utmz=253535702.1392961328.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)");
            request.Timeout = 30000;
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            if (stream != null)
            {
                string s = response.ResponseUri.ToString();
            }
            response.Close();