/// <summary>
/// Http (GET/POST)
/// </summary>
/// <param name="url">请求URL</param>
/// <param name="parameters">请求参数</param>
/// <param name="method">请求方法</param>
/// <returns>响应内容</returns>
public static string Request(string url, IDictionary <string, string> parameters, EnumHttpMethod method)
{
string jsonStr = string.Empty;
if (method == EnumHttpMethod.Post)
{
HttpWebRequest req = null;
HttpWebResponse rsp = null;
Stream reqStream = null;
req = (HttpWebRequest)WebRequest.Create(url);
req.Method = method.ToString();
req.KeepAlive = false;
req.ProtocolVersion = HttpVersion.Version10;
req.Timeout = 10000;
req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
byte[] postData = Encoding.UTF8.GetBytes(BuildQuery(parameters, "utf8"));
reqStream = req.GetRequestStream();
reqStream.Write(postData, 0, postData.Length);
rsp = (HttpWebResponse)req.GetResponse();
Encoding encoding = Encoding.GetEncoding(string.IsNullOrEmpty(rsp.CharacterSet) ? "utf-8" : rsp.CharacterSet);
jsonStr = GetResponseAsString(rsp, encoding);
return(jsonStr);
}
else
{
//创建请求
if (url.Contains("?"))
{
url = url + "&" + BuildQuery(parameters, "utf8");
}
else
{
url = url + "?" + BuildQuery(parameters, "utf8");
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
//GET请求
request.Method = "GET";
request.ReadWriteTimeout = 5000;
request.ContentType = "text/html;charset=UTF-8";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
//返回内容
jsonStr = myStreamReader.ReadToEnd();
return(jsonStr);
}
}
/// <summary>
/// Http (GET/POST) 异步
/// </summary>
/// <param name="url">请求URL</param>
/// <param name="param">请求参数</param>
/// <param name="method">请求方法</param>
/// <param name="contentType">响应类型</param>
/// <param name="encoding">编码方式</param>
/// <param name="timeout">超时时间(单位:毫秒)</param>
/// <returns></returns>
public static string RequestAsync(string url, string param, EnumHttpMethod method, string contentType = "application/json", Encoding encoding = null, int timeout = 10000)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentNullException("url");
}
if (string.IsNullOrEmpty(contentType))
{
if (method == EnumHttpMethod.Post)
{
contentType = "application/x-www-form-urlencoded";
}
if (method == EnumHttpMethod.Get)
{
contentType = "text/html";
}
}
encoding = encoding ?? Encoding.UTF8;
if (!contentType.Contains("charset"))
{
if (contentType.Substring(contentType.Length - 1, 1) == ";")
{
contentType = contentType + "charset=" + encoding.WebName;
}
else
{
contentType = contentType + ";charset=" + encoding.WebName;
}
}
if (!string.IsNullOrEmpty(param))
{
if (JsonHelper.IsJson(param))
{
}
else
{
//不是json
var paramArr = param.Split('&').ToList();
var paramList = new List <Tuple <string, string> >();
foreach (var item in paramArr)
{
var k = item.Split('=')[0];
var v = item.Split('=')[1];
paramList.Add(new Tuple <string, string>(k, HttpUtility.UrlEncode(v, encoding)));
}
var paramTemp = (from p in paramList select p.Item1 + "=" + p.Item2).ToList();
var paramStr = string.Join("&", paramTemp);
param = paramStr;
}
if (method == EnumHttpMethod.Get)
{
var split = url.Contains("?") ? "&" : "?";
url = url + split + param;
}
}
var webRequest = (HttpWebRequest)WebRequest.Create(url);
webRequest.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36";
webRequest.Method = method.ToString().ToUpper();
var strResponse = string.Empty;
if (method == EnumHttpMethod.Post)
{
webRequest.Timeout = timeout;
webRequest.ProtocolVersion = HttpVersion.Version10;
webRequest.Credentials = CredentialCache.DefaultCredentials;
webRequest.ContentType = contentType;
if (!string.IsNullOrEmpty(param))
{
byte[] bytes = encoding.GetBytes(param);
using (var stream = webRequest.GetRequestStream())
{
stream.Write(bytes, 0, bytes.Length);
}
}
}
else if (method == EnumHttpMethod.Get)
{
webRequest.ReadWriteTimeout = timeout;
webRequest.ContentType = contentType;
}
var complete = false;
var stime = DateTime.Now;
var asyncResult = webRequest.BeginGetResponse(new AsyncCallback(t =>
{
using (var webResponse = webRequest.EndGetResponse(t))
{
using (var webStream = webResponse.GetResponseStream())
{
if (webResponse.Headers.Get("Content-Encoding") == "gzip")
{
using (GZipStream gzip = new GZipStream(webStream, CompressionMode.Decompress))
{
using (var reader = new StreamReader(gzip, encoding))
{
strResponse = reader.ReadToEndAsync().Result;
complete = true;
}
}
}
else
{
using (var streamReader = new StreamReader(webStream, encoding))
{
strResponse = streamReader.ReadToEndAsync().Result;
complete = true;
}
}
}
}
}), null);
while (!complete && (DateTime.Now - stime).TotalMilliseconds < timeout)
{
}
return(strResponse);
}
