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private string HttpPost( string Url, string postDataStr) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url); request.Method = "POST" ; request.ContentType = "application/x-www-form-urlencoded" ; request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr); request.CookieContainer = cookie; Stream myRequestStream = request.GetRequestStream(); StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding( "gb2312" )); myStreamWriter.Write(postDataStr); myStreamWriter.Close(); HttpWebResponse response = (HttpWebResponse)request.GetResponse(); response.Cookies = cookie.GetCookies(response.ResponseUri); Stream myResponseStream = response.GetResponseStream(); StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding( "utf-8" )); string retString = myStreamReader.ReadToEnd(); myStreamReader.Close(); myResponseStream.Close(); return retString; } public string HttpGet( string Url, string postDataStr) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?" ) + postDataStr); 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; } |
在post的时候有时也用的到cookie,像登录163发邮件时候就需要发送cookie,所以在外部一个cookie属性随时保存 CookieContainer cookie = new CookieContainer();
注意:有时候请求会重定向,但我们就需要从重定向url获取东西,像QQ登录成功后获取sid,但上面的会自动根据重定向地址跳转。我们可以用:
request.AllowAutoRedirect = false;设置重定向禁用,你就可以从headers的Location属性中获取重定向地址
以上这篇C#模拟http 发送post或get请求的简单实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。