/// <summary>
/// POST方式请求 微信返回信息
/// </summary>
/// <param name="parameters">参数</param>
/// <param name="URL">请求地址</param>
/// <returns>返回字符</returns>
public string PostForWeiXin(StringBuilder parameters, string URL)
{
string access_token = getAccessToken();
string url = URL + "access_token=" + access_token;
HttpWebResponse response = new HttpWebResponseUtility().WXCreateGetHttpResponse(url, parameters, 10000, null, Encoding.UTF8, null);
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
string str = reader.ReadToEnd();
WriteLog(url + "----------------" + parameters + "---------------" + str);
return(str);
}