public HttpRequestResult Request(HttpRequestArgs args)
{
HttpWebResponse response = null;
Stream receiveStream = null;
StreamReader readStream = null;
MemoryStream postStream = new MemoryStream();
HttpRequestResult result = new HttpRequestResult();
string uri = args.Url;
if (String.IsNullOrEmpty(uri))
{
result.Exception = new Exception("没有要请求的API URI信息");
return(result);
}
try
{
HttpWebRequest request;
request = (HttpWebRequest)WebRequest.Create(uri);
request.Method = args.Method;
//判断是否使用证书
if (args.UseCertificate)
{
X509Certificate2 cert = new X509Certificate2(args.CertificatePath, args.CertificatePassword);
request.ClientCertificates.Add(cert);
}
//直接POST字符串内容，一般是JSON直接发到WEB API上
if (String.IsNullOrEmpty(args.Content) == false)
{
StreamWriter writer = new StreamWriter(postStream);
writer.Write(args.Content);
writer.Flush();
}
else if (String.IsNullOrEmpty(args.File) == false)
{
RequestWithFile(request, postStream, args.File);
}
if (postStream.Length > 0)
{
using (Stream stream = request.GetRequestStream())
{
postStream.WriteTo(stream);
}
}
response = (HttpWebResponse)request.GetResponse();
receiveStream = response.GetResponseStream();
Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
readStream = new StreamReader(receiveStream, encode);
result.Content = readStream.ReadToEnd();
}
catch (Exception ex)
{
Debug.Assert(false, ex.Message);
result.Exception = ex;
}
finally
{
response?.Close();
receiveStream?.Close();
readStream?.Close();
postStream.Close();
}
return(result);
}
public HttpRequestResult Request(HttpRequestArgs args)
{
HttpWebResponse response = null;
Stream receiveStream = null;
StreamReader readStream = null;
HttpRequestResult result = new HttpRequestResult();
string uri = args.Url;
if (String.IsNullOrEmpty(uri))
{
result.Exception = new Exception("没有要请求的API URI信息");
return(result);
}
try
{
HttpWebRequest request;
request = (HttpWebRequest)WebRequest.Create(uri);
request.Method = args.Method;
if (String.IsNullOrEmpty(args.Content) == false)
{
MemoryStream memoryStream = new MemoryStream();
StreamWriter writer = new StreamWriter(memoryStream);
writer.Write(args.Content);
writer.Flush();
using (Stream stream = request.GetRequestStream())
{
memoryStream.WriteTo(stream);
}
}
else if (String.IsNullOrEmpty(args.File) == false)
{
//request.Headers.Add("name", "media");
//request.Headers.Add("filename", "a.jpg");
request.ContentType = "application/octet-stream";
MemoryStream memoryStream = new MemoryStream();
//StreamWriter writer = new StreamWriter(memoryStream);
// 边界符
var boundary = "---------------" + DateTime.Now.Ticks.ToString("x");
// 边界符
var beginBoundary = Encoding.ASCII.GetBytes("--" + boundary + "\r\n");
const string filePartHeader =
"Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\n" +
"Content-Type: application/octet-stream\r\n\r\n";
var header = string.Format(filePartHeader, "media", args.File);
var headerbytes = Encoding.UTF8.GetBytes(header);
memoryStream.Write(beginBoundary, 0, beginBoundary.Length);
memoryStream.Write(headerbytes, 0, headerbytes.Length);
FileStream fileStream = new FileStream(args.File, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[1024];
int bytesRead = 0;
while (true)
{
bytesRead = fileStream.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
break;
}
memoryStream.Write(buffer, 0, bytesRead);
}
memoryStream.Flush();
using (Stream stream = request.GetRequestStream())
{
memoryStream.WriteTo(stream);
}
}
response = (HttpWebResponse)request.GetResponse();
receiveStream = response.GetResponseStream();
Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
readStream = new StreamReader(receiveStream, encode);
result.Content = readStream.ReadToEnd();
}
catch (Exception ex)
{
result.Exception = ex;
}
finally
{
if (response != null)
{
response.Close();
}
if (receiveStream != null)
{
receiveStream.Close();
}
if (readStream != null)
{
readStream.Close();
}
}
return(result);
}