/// <summary>
/// 执行带body体的POST请求。
/// </summary>
/// <param name="url">请求地址，含URL参数</param>
/// <param name="body">请求body体字节流</param>
/// <param name="contentType">body内容类型</param>
/// <param name="headerParams">请求头部参数</param>
/// <returns>HTTP响应</returns>
public string DoPostJson(BrowserPara browserPara)
{
LogAgent.Info("[Request]->Url:{0};Parameter:{1};Method:{2}", browserPara.Uri, browserPara.PostData, browserPara.Method.ToString());
string url = browserPara.Uri;
HttpWebRequest req = GetWebRequest(browserPara, "POST");
req.ContentType = browserPara.ContentType;
string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
req.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
System.IO.Stream reqStream = req.GetRequestStream();
byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n");
byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
reqStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
reqStream.Close();
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
Encoding encoding = GetResponseEncoding(rsp);
string responseFromServer = GetResponseAsString(req, rsp, encoding);
LogAgent.Info(req.CookieContainer.GetCookieHeader(new Uri(browserPara.Uri)));
LogAgent.Info("[Response]->Url:{0};{1}", browserPara.Uri, responseFromServer);
return(responseFromServer);
}
/// <summary>
/// 执行HTTP GET请求。
/// </summary>
/// <param name="url">请求地址</param>
/// <param name="textParams">请求文本参数</param>
/// <param name="headerParams">请求头部参数</param>
/// <returns>HTTP响应</returns>
public string DoGet(BrowserPara browserPara)
{
LogAgent.Info("[Request]->Url:{0};Parameter:{1};Method:{2}", browserPara.Uri, browserPara.PostData, browserPara.Method.ToString());
HttpWebRequest req = GetWebRequest(browserPara, "GET");
req.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
Encoding encoding = GetResponseEncoding(rsp);
string responseFromServer = GetResponseAsString(req, rsp, encoding);
LogAgent.Info("[Response]->Url:{0};{1}", browserPara.Uri, responseFromServer);
return(responseFromServer);
}
public static string HttpGet(BrowserPara browserPara)
{
try
{
LogAgent.Info("[Request]->Url:{0};Parameter:{1};Method:{2}", browserPara.Uri, browserPara.PostData, browserPara.Method.ToString());
HttpWebRequest request = WebRequest.Create(browserPara.Uri) as HttpWebRequest;
//每次请求绕过代理，解决第一次调用慢的问题
request.Proxy = null;
//使用已经保存的cookies
//多线程并发调用时默认2个http连接数限制的问题，讲其设为1000
ServicePoint currentServicePoint = request.ServicePoint;
currentServicePoint.ConnectionLimit = 1000;
if (browserPara.Headers != null)
{
foreach (var header in browserPara.Headers)
{
request.Headers.Add(header.Key, header.Value);
}
}
string cookie = GetCookie();
if (!String.IsNullOrEmpty(cookie))
{
request.Headers.Add("Cookie", cookie);
}
string str;
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
using (Stream responseStream = response.GetResponseStream())
{
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
str = reader.ReadToEnd();
}
ProcessResponseCookies(request, response);
request.Abort();
request = null;
}
LogAgent.Info("[Response]->Url:{0};{1}", browserPara.Uri, str);
return(str);
}
catch (Exception ex)
{
LogAgent.Error(ex.ToString());
}
return(String.Empty);
}
/// <summary>
/// 执行HTTP POST请求。
/// </summary>
/// <param name="url">请求地址</param>
/// <param name="textParams">请求文本参数</param>
/// <param name="headerParams">请求头部参数</param>
/// <returns>HTTP响应</returns>
public string DoPost(BrowserPara browserPara)
{
LogAgent.Info("[Request]->Url:{0};Parameter:{1};Method:{2}", browserPara.Uri, browserPara.PostData, browserPara.Method.ToString());
string url = browserPara.Uri;
HttpWebRequest req = GetWebRequest(browserPara, "Post");
req.ContentType = browserPara.ContentType;
byte[] postData = Encoding.UTF8.GetBytes(browserPara.PostData);
System.IO.Stream reqStream = req.GetRequestStream();
reqStream.Write(postData, 0, postData.Length);
reqStream.Close();
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
Encoding encoding = GetResponseEncoding(rsp);
string responseFromServer = GetResponseAsString(req, rsp, encoding);
LogAgent.Info("[Response]->Url:{0};{1}", browserPara.Uri, responseFromServer);
return(responseFromServer);
}
private HttpWebRequest GetWebRequest(BrowserPara browserPara, string method)
{
string url = browserPara.Uri;
IDictionary <string, string> headerParams = browserPara.Headers;
HttpWebRequest req = null;
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
if (this._ignoreSSLCheck)
{
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(TrustAllValidationCallback);
}
req = (HttpWebRequest)WebRequest.CreateDefault(new Uri(url));
}
else
{
req = (HttpWebRequest)WebRequest.Create(url);
}
if (headerParams != null && headerParams.Count > 0)
{
foreach (string key in headerParams.Keys)
{
req.Headers.Add(key, headerParams[key]);
}
}
req.CookieContainer = HttpHelper.Example.cookies;
req.Proxy = null;
req.ServicePoint.Expect100Continue = false;
req.Method = method;
req.KeepAlive = true;
req.UserAgent = browserPara.UserAgent;
req.Accept = browserPara.Accept;
req.Timeout = browserPara.Timeout;
req.ReadWriteTimeout = browserPara.ReadWriteTimeout;
return(req);
}
public static string HttpPost(BrowserPara browserPara)
{
try
{
LogAgent.Info("[Request]->Url:{0};Parameter:{1};Method:{2}", browserPara.Uri, browserPara.PostData, browserPara.Method.ToString());
HttpWebRequest request = WebRequest.Create(browserPara.Uri) as HttpWebRequest;
//将发送数据转换为二进制格式
byte[] byteArray = Encoding.UTF8.GetBytes(browserPara.PostData);
//要POST的数据大于1024字节的时候, 浏览器并不会直接就发起POST请求, 而是会分为俩步：
//1. 发送一个请求, 包含一个Expect:100-continue, 询问Server使用愿意接受数据
//2. 接收到Server返回的100-continue应答以后, 才把数据POST给Server
//直接关闭第一步验证
request.ServicePoint.Expect100Continue = false;
//是否使用Nagle：不使用，提高效率
request.ServicePoint.UseNagleAlgorithm = false;
//设置最大连接数
request.ServicePoint.ConnectionLimit = 65500;
//指定压缩方法
//request.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate");
//使用已经保存的cookies
request.KeepAlive = false;
request.ContentType = browserPara.ContentType;
request.Method = HttpMethod.Post.Method.ToString();
request.Timeout = browserPara.Timeout;
request.ContentLength = byteArray.Length;
//关闭缓存
request.AllowWriteStreamBuffering = false;
//每次请求绕过代理，解决第一次调用慢的问题
request.Proxy = null;
//多线程并发调用时默认2个http连接数限制的问题，讲其设为1000
ServicePoint currentServicePoint = request.ServicePoint;
if (browserPara.Headers != null)
{
foreach (var header in browserPara.Headers)
{
request.Headers.Add(header.Key, header.Value);
}
}
string cookie = GetCookie();
if (!String.IsNullOrEmpty(cookie))
{
request.Headers.Add("Cookie", cookie);
}
string responseFromServer = String.Empty;
using (Stream dataStream = request.GetRequestStream())
{
dataStream.Write(byteArray, 0, byteArray.Length);
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
//获取服务器返回的数据流
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
responseFromServer = reader.ReadToEnd();
}
ProcessResponseCookies(request, response);
}
request.Abort();
}
LogAgent.Info("[Response]->Url:{0};{1}", browserPara.Uri, responseFromServer);
return(responseFromServer);
}
catch (Exception ex)
{
LogAgent.Error(ex.ToString());
}
return(String.Empty);
}