C# 后台POST请求（winform）
//data:参数 URL：路径
public static string PostWebRequest(string Data, string
URL)
{
CookieContainer cc = new
CookieContainer();
string postData =
Data;
byte[] byteArray = Encoding.UTF8.GetBytes(postData); //
转化
HttpWebRequest webRequest2 = (HttpWebRequest)WebRequest.Create(new
Uri(URL));
webRequest2.CookieContainer =
cc;
webRequest2.Method =
"POST";
webRequest2.ContentType =
"application/x-www-form-urlencoded";
webRequest2.ContentLength =
byteArray.Length;
Stream newStream =
webRequest2.GetRequestStream();
newStream.Write(byteArray, 0, byteArray.Length);
//写入参数
newStream.Close();
HttpWebResponse response2 =
(HttpWebResponse)webRequest2.GetResponse();
StreamReader sr2 = new StreamReader(response2.GetResponseStream(),
Encoding.UTF8);
string text2 =
sr2.ReadToEnd();
if (text2 != null && text2.Length >
0)
{
return
text2;
}
return
"";
}