/// <summary>
/// 发送http请求（支持HTTPS请求，需要指定证书文件及证书密码）
/// </summary>
/// <param name="url">提交的URL地址.</param>
/// <param name="queryString">数据.</param>
/// <param name="httpMode">Http请求模式.</param>
/// <param name="contentEncoding">字符编码类型.</param>
/// <returns>Return a data(or instance) of String.</returns>
/// User:Ryan CreateTime:2012-10-15 22:58.
public static string SendSyncRequest(string url, string queryString, EnumHttpMode httpMode, Encoding contentEncoding
, string certFile = "", string certPwd = "")
{
//1.validation parameters
if (string.IsNullOrEmpty(url))
{
return(null);
}
if (string.IsNullOrEmpty(queryString))
{
queryString = queryString.TrimStart(new char[] { '?' });
}
if (contentEncoding == null)
{
throw new ArgumentNullException("contentEncoding");
}
//2.generate http request
HttpWebRequest request = null;
switch (httpMode)
{
case EnumHttpMode.Get:
request = (HttpWebRequest)WebRequest.Create(string.Format("{0}?{1}", url, queryString.TrimStart(new char[] { '?' })));
request.Method = "GET";
break;
case EnumHttpMode.Post:
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
byte[] bytes = contentEncoding.GetBytes(queryString);
request.ContentLength = bytes.Length;
Stream requestStream = request.GetRequestStream();
requestStream.Write(bytes, 0, bytes.Length);
requestStream.Close();
break;
default:
throw new ArgumentException("不支持该类型的HTTP请求模式", "httpMode");
}
//2.2 Https request
if (!string.IsNullOrEmpty(certFile) && !string.IsNullOrEmpty(certPwd))
{
request.ClientCertificates.Add(new X509Certificate2(certFile, certPwd));
}
//3.execute request
try
{
return(new StreamReader(((HttpWebResponse)request.GetResponse()).GetResponseStream(), contentEncoding).ReadToEnd());
}
//4.catch exception
catch (Exception exception)
{
return(exception.Message);
}
}
/// <summary>
/// 发送http请求（默认编码法方式）
/// </summary>
/// User:Ryan CreateTime:2012-10-15 22:58.
public static string SendSyncRequest(string url, string queryString, EnumHttpMode httpMode)
{
return(SendSyncRequest(url, queryString, httpMode, Encoding.Default));
}
/// <summary>
/// 获取网络中的数据，返回流。
/// </summary>
/// <param name="url">提交的URL地址.</param>
/// <param name="queryString">数据.</param>
/// <param name="httpMode">Http请求模式.</param>
/// <param name="contentEncoding">字符编码类型.</param>
/// <param name="certFile">证书文件</param>
/// <param name="certPwd">证书密码</param>
/// <returns>返回网络返回的数据流。</returns>
public static Stream SendSyncRequestToGetStream(string url, string queryString, EnumHttpMode httpMode, Encoding contentEncoding
, out long contentLength, string certFile = "", string certPwd = "")
{
contentLength = 0;
//1.validation parameters
if (string.IsNullOrEmpty(url))
{
return(null);
}
if (string.IsNullOrEmpty(queryString))
{
queryString = queryString.TrimStart(new char[] { '?' });
}
if (contentEncoding == null)
{
throw new ArgumentNullException("contentEncoding");
}
//2.generate http request
HttpWebRequest request = null;
switch (httpMode)
{
case EnumHttpMode.Get:
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "GET";
break;
case EnumHttpMode.Post:
request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
byte[] bytes = contentEncoding.GetBytes(queryString);
request.ContentLength = bytes.Length;
Stream requestStream = request.GetRequestStream();
requestStream.Write(bytes, 0, bytes.Length);
requestStream.Close();
break;
default:
throw new ArgumentException("不支持该类型的HTTP请求模式", "httpMode");
}
//2.2 Https request
if (!string.IsNullOrEmpty(certFile) && !string.IsNullOrEmpty(certPwd))
{
request.ClientCertificates.Add(new X509Certificate2(certFile, certPwd));
}
//3.execute request
try
{
var res = request.GetResponse();
contentLength = res.ContentLength;
return(res.GetResponseStream());
}
//4.catch exception
catch (Exception exception)
{
Logger.LogHelper.Error("请求网络数据失败！ ", exception);
return(null);
}
}
