public static HttpWebResponse PostFile(YopRequest yopRequest, IEnumerable <UploadFile> files)
{
string boundary = "----------------------------" + DateTime.Now.Ticks.ToString("x");
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(yopRequest.getAbsoluteURL());
request.ContentType = "multipart/form-data; boundary=" + boundary;
request.Headers.Add("Request-Id", UUIDGenerator.generate());
request.Method = "POST";
request.KeepAlive = true;
request.Credentials = CredentialCache.DefaultCredentials;
MemoryStream stream = new MemoryStream();
byte[] line = Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
NameValueCollection values = yopRequest.getParams();
//提交文本字段
if (values != null)
{
string format = "\r\n--" + boundary + "\r\nContent-Disposition: form-data; name=\"{0}\";\r\n\r\n{1}";
foreach (string key in values.Keys)
{
string s = string.Format(format, key, values[key]);
byte[] data = Encoding.UTF8.GetBytes(s);
stream.Write(data, 0, data.Length);
}
stream.Write(line, 0, line.Length);
}
line = Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
//提交文件
if (files != null)
{
string fformat = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: application/octet-stream\r\n\r\n";
foreach (UploadFile file in files)
{
string s = string.Format(fformat, file.Name, file.Filename);
byte[] data = Encoding.UTF8.GetBytes(s);
stream.Write(data, 0, data.Length);
stream.Write(file.Data, 0, file.Data.Length);
stream.Write(line, 0, line.Length);
}
}
request.ContentLength = stream.Length;
Stream requestStream = request.GetRequestStream();
stream.Position = 0L;
stream.WriteTo(requestStream);
stream.Close();
requestStream.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
return(response);
}
public static HttpWebResponse PostAndGetHttpWebResponse(YopRequest yopRequest, string method)//(string targetUrl, string param, string method, int timeOut)
{
try
{
string targetUrl = yopRequest.getAbsoluteURL(); //请求地址
CookieContainer cc = new CookieContainer();
string param = yopRequest.toQueryString(); //请求参数
byte[] data = Encoding.GetEncoding("UTF-8").GetBytes(param);
if (method.ToUpper() == "GET")
{
targetUrl = targetUrl + (param.Length == 0 ? "" : ("?" + param));
}
// 2.0 https证书无效解决方法
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
// 1.1 https证书无效解决方法
ServicePointManager.CertificatePolicy = new AcceptAllCertificatePolicy();
System.GC.Collect();//垃圾回收
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(targetUrl);
request.Timeout = yopRequest.getReadTimeout();
request.Method = method.ToUpper();
request.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml+xml, */*";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = method.ToUpper().Trim() == "POST" ? data.Length : 0;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
//request.Referer = refererUrl;
request.CookieContainer = cc;
request.ServicePoint.Expect100Continue = false;
request.ServicePoint.ConnectionLimit = 10000;
request.AllowAutoRedirect = true;
request.ProtocolVersion = HttpVersion.Version10; //尝试解决基础链接已关闭问题
request.KeepAlive = false; //尝试解决基础链接已关闭问题 有可能影响证书问题
if (method.ToUpper() == "POST")
{
Stream newStream = request.GetRequestStream();
newStream.Write(data, 0, data.Length);
newStream.Close();
}
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
response.Cookies = cc.GetCookies(request.RequestUri);
return(response);
}
catch (WebException ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return((HttpWebResponse)ex.Response);
}
}
