如何在WinForm中請求發送HTTP
手工發送HTTP請求主要是調用 System.Net的HttpWebResponse方法
手工發送HTTP的GET請求:
string strURL = "http://localhost/Play/CH1/Service1.asmx/doSearch?keyword=";strURL +=this.textBox1.Text;System.Net.HttpWebRequest request;// 創建一個HTTP請求request = (System.Net.HttpWebRequest)WebRequest.Create(strURL);//request.Method="get";System.Net.HttpWebResponse response;response = (System.Net.HttpWebResponse)request.GetResponse();System.IO.Stream s;s = response.GetResponseStream();XmlTextReader Reader = new XmlTextReader(s);Reader.MoveToContent();string strValue = Reader.ReadInnerXml();strValue = strValue.Replace("<","<");strValue = strValue.Replace(">",">");MessageBox.Show(strValue); Reader.Close();
手工發送HTTP的POST請求
string strURL = "http://localhost/Play/CH1/Service1.asmx/doSearch";System.Net.HttpWebRequest request;request = (System.Net.HttpWebRequest)WebRequest.Create(strURL);//Post請求方式request.Method="POST";// 內容類型request.ContentType="application/x-www-form-urlencoded";// 參數經過URL編碼string paraUrlCoded = System.Web.HttpUtility.UrlEncode("keyword");paraUrlCoded += "=" + System.Web.HttpUtility.UrlEncode(this.textBox1.Text);byte[] payload;//將URL編碼后的字符串轉化為字節payload = System.Text.Encoding.UTF8.GetBytes(paraUrlCoded);//設置請求的 ContentLength request.ContentLength = payload.Length;//獲得請 求流Stream writer = request.GetRequestStream();//將請求參數寫入流writer.Write(payload,0,payload.Length);// 關閉請求流writer.Close();System.Net.HttpWebResponse response;// 獲得響應流response = (System.Net.HttpWebResponse)request.GetResponse();System.IO.Stream s;s = response.GetResponseStream();XmlTextReader Reader = new XmlTextReader(s);Reader.MoveToContent();string strValue = Reader.ReadInnerXml();strValue = strValue.Replace("<","<");strValue = strValue.Replace(">",">");MessageBox.Show(strValue); Reader.Close();
以上這篇在WinForm中發送HTTP請求的實現方法就是小編分享給大家的全部內容了,希望能給大家一個參考,也希望大家多多支持武林網。
新聞熱點
疑難解答