/// <summary>
/// post方法传递json数据
/// </summary>
/// <param name="urlStr">目标url</param>
/// <param name="urlStrFunc">对应方法</param>
/// <param name="urlStrPara">json参数</param>
/// <returns></returns>
public static string Post_RSA_Json(string urlStr, string urlStrFunc, string urlStrPara)
{
Encoding encode = Encoding.UTF8;
byte[] arrB = encode.GetBytes(urlStrPara);
HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(urlStr + urlStrFunc);
myReq.Method = "POST";
myReq.ContentType = "application/x-www-form-urlencoded";
myReq.ContentLength = arrB.Length;
Stream outStream = myReq.GetRequestStream();
outStream.Write(arrB, 0, arrB.Length);
outStream.Close();
//接收HTTP做出的响应
WebResponse myResp = myReq.GetResponse();
Stream ReceiveStream = myResp.GetResponseStream();
StreamReader readStream = new StreamReader(ReceiveStream, encode);
Char[] read = new Char[256];
int count = readStream.Read(read, 0, 256);
string str = null;
while (count > 0)
{
str += new String(read, 0, count);
count = readStream.Read(read, 0, 256);
}
readStream.Close();
myResp.Close();
return str;
}