Howtogethttpresponse.-创新互联

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public class HttpWebResponseUtility
    {
public static string CreateGetHttpResponse(string url)
        {
var response = CreateGetHttpResponse(url, null);
            Stream dataStream= response.GetResponseStream();
            StreamReader reader= new StreamReader(dataStream);
string responseString = reader.ReadToEnd();
return responseString;
        }

public static string CreatePostHttpResponse(string url, IDictionary parameters)
        {
var response = CreatePostHttpResponse(url, parameters,null,System.Text.Encoding.UTF8);
            Stream dataStream= response.GetResponseStream();
            StreamReader reader= new StreamReader(dataStream);
string responseString = reader.ReadToEnd();
return responseString;
        }

public static HttpWebResponse CreateGetHttpResponse(string url, int? timeout)
        {
if (string.IsNullOrEmpty(url))
            {
throw new ArgumentNullException("url");
            }
var request = WebRequest.Create(url) as HttpWebRequest;
            request.Method= "GET";
            request.Proxy= null;
            request.Credentials= CredentialCache.DefaultCredentials;
//allows for validation of SSL certificates            ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);

if (timeout.HasValue)
            {
                request.Timeout= timeout.Value;
            }
return request.GetResponse() as HttpWebResponse;
        }

public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary parameters, int? timeout, Encoding requestEncoding)
        {
if (string.IsNullOrEmpty(url))
            {
throw new ArgumentNullException("url");
            }
if (requestEncoding == null)
            {
throw new ArgumentNullException("requestEncoding");
            }
            HttpWebRequest request= null;

if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
            {
                ServicePointManager.ServerCertificateValidationCallback= new RemoteCertificateValidationCallback(CheckValidationResult);
                request= WebRequest.Create(url) as HttpWebRequest;
                request.Proxy= null;
                request.Credentials= CredentialCache.DefaultCredentials;
                request.ProtocolVersion= HttpVersion.Version10;
            }
else
            {
                request= WebRequest.Create(url) as HttpWebRequest;
            }
            request.Method= "POST";
            request.ContentType= "application/x-www-form-urlencoded";

if (timeout.HasValue)
            {
                request.Timeout= timeout.Value;
            }
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 = requestEncoding.GetBytes(buffer.ToString());
using (Stream stream = request.GetRequestStream())
                {
                    stream.Write(data,0, data.Length);
                }
            }
return request.GetResponse() as HttpWebResponse;
        }

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

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