远程带参数POST访问接口，返回数据

public class Projectzz
{
private static readonly string DefaultUserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";

private static bool CheckValidationResult(object sender,  X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
return true; //总是接受
}

public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters, Encoding charset)
{
HttpWebRequest request = null;
//HTTPSQ请求
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
request = WebRequest.Create(url) as HttpWebRequest;
request.ProtocolVersion = HttpVersion.Version10;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.UserAgent = DefaultUserAgent;
//如果需要POST数据
if (!(parameters == null || parameters.Count == 0))
{
StringBuilder buffer = new StringBuilder();
int i = 0;
foreach (string key in parameters.Keys)
{
if (i > 0)
{
buffer.AppendFormat("&{0}={1}", key, parameters[key]);
}
else
{
buffer.AppendFormat("{0}={1}", key, parameters[key]);
}
i++;
}
byte[] data = charset.GetBytes(buffer.ToString());
// string sRemoteInfo = System.Text.Encoding.Default.GetString(data);

using (Stream stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
return request.GetResponse() as HttpWebResponse;
}

//static void Main(string[] args)
//{
//    string url = "http://116.62.34.164/get_customer_list";
//    Encoding encoding = Encoding.GetEncoding("utf-8");
//    IDictionary<string, string> parameters = new Dictionary<string, string>();
//    parameters.Add("token", "943wski12937");
//    parameters.Add("customer_id", "3618");
//    HttpWebResponse response = Program.CreatePostHttpResponse(url, parameters, encoding);
//    //打印返回值
//    Stream stream = response.GetResponseStream();   //获取响应的字符串流
//    StreamReader sr = new StreamReader(stream); //创建一个stream读取流
//    string html = sr.ReadToEnd();   //从头读到尾，放到字符串html
//    Console.WriteLine(html);
//}
}