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之前调用一个系统的rest接口,该接口的调用方式是先登录获取cookie,然后将cookie作为后续请求的凭证。无奈只有java和php的样例代码。在网上找了很多解决方案,都没有实际解决问题。最后还是皇天不负有心人,找到了方法并测试有效,特地留存以备以后使用。
该方法主要是使用CookieContainer 来解决的。感谢该作者的文章解决了我的问题。
#region 同步通过POST方式发送数据 /// <summary> /// 通过POST方式发送数据 /// </summary> /// <param name="Url">url</param> /// <param name="postDataStr">Post数据</param> /// <param name="cookie">Cookie容器</param> /// <returns></returns> public string SendDataByPost(string Url,string postDataStr,ref CookieContainer cookie) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url); if (cookie.Count == 0) { request.CookieContainer = new CookieContainer(); cookie = request.CookieContainer; } else { request.CookieContainer = cookie; } request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; request.ContentLength = postDataStr.Length; Stream myRequestStream = request.GetRequestStream(); StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312")); myStreamWriter.Write(postDataStr); myStreamWriter.Close(); HttpWebResponse response = (HttpWebResponse)request.GetResponse(); Stream myResponseStream = response.GetResponseStream(); StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8")); string retString= myStreamReader.ReadToEnd(); myStreamReader.Close(); myResponseStream.Close(); return retString; } #endregion #region 同步通过GET方式发送数据 /// <summary> /// 通过GET方式发送数据 /// </summary> /// <param name="Url">url</param> /// <param name="postDataStr">GET数据</param> /// <param name="cookie">GET容器</param> /// <returns></returns> public string SendDataByGET(string Url, string postDataStr, ref CookieContainer cookie) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url +( postDataStr == "" ? "" : "?") + postDataStr); if (cookie.Count == 0) { request.CookieContainer = new CookieContainer(); cookie = request.CookieContainer; } else { request.CookieContainer = cookie; } request.Method = "GET"; request.ContentType = "text/html;charset=UTF-8"; HttpWebResponse response = (HttpWebResponse)request.GetResponse(); Stream myResponseStream = response.GetResponseStream(); StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8")); string retString = myStreamReader.ReadToEnd(); myStreamReader.Close(); myResponseStream.Close(); return retString; } #endregion 操作代码 CookieContainer cc=new CookieContainer(); cc.Add(new System.Uri("http://www.baidu.com "), new Cookie("PHPSESSID", "xx")); string content = web.SendDataByGET("http://www.baidu.com/xx/yy.php","","gbk",ref cc); MessageBox.Show(content);
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