public static string upload(string uri, string filePath, object obj, string fileKeyName = "file", int timeOut = 360000)
{
string result = "";
WebRequest request = WebRequest.Create(uri);
request.Timeout = timeOut;
FormDataUtilsEx form = new FormDataUtilsEx();
form.AddFormField(obj);
FileStream file = new FileStream(filePath, FileMode.Open);
byte[] bb = new byte[file.Length];
file.Read(bb, 0, (int)file.Length);
file.Close();
string fileName = Path.GetFileName(filePath);
form.AddStreamFile(fileKeyName, fileName, bb);
form.PrepareFormData();
request.ContentType = "multipart/form-data; boundary=" + form.Boundary;
request.Method = "Post";
Stream stream = request.GetRequestStream();
foreach (var b in form.GetFormData())
{
stream.WriteByte(b);
}
stream.Close();
WebResponse response = request.GetResponse();
using (var httpStreamReader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")))
{
result = httpStreamReader.ReadToEnd();
}
response.Close();
request.Abort();
return(result);
}
public static string uploadFat(string uri, string filePath, object obj,
string fileKeyName = "file", int timeOut = 3600000)
{
string result = "";
FormDataUtilsEx form = new FormDataUtilsEx();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
request.ContentType = "multipart/form-data; boundary=" + form.Boundary;
request.Method = "Post";
//request.AllowWriteStreamBuffering = false;
request.Timeout = timeOut;
//form data
form.AddFormField(obj);
string fileName = Path.GetFileName(filePath);
form.AddStreamFile(fileKeyName, fileName);
FileStream file = new FileStream(filePath, FileMode.Open, FileAccess.Read);
//二进制对象
BinaryReader r = new BinaryReader(file);
try
{
Stream stream = request.GetRequestStream();
foreach (var b in form.GetFormData())
{
stream.WriteByte(b);
}
//每次上传4k
int bufferLength = 4096;
byte[] buffer = new byte[bufferLength]; //已上传的字节数
long offset = 0; //开始上传时间
int size = r.Read(buffer, 0, bufferLength);
long length = file.Length;
while (size > 0)
{
stream.Write(buffer, 0, size);
offset += size;
Application.DoEvents();
size = r.Read(buffer, 0, bufferLength);
}
foreach (var b in form.getSuffix())
{
stream.WriteByte(b);
}
stream.Close();
WebResponse response = request.GetResponse();
using (var httpStreamReader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")))
{
result = httpStreamReader.ReadToEnd();
}
response.Close();
request.Abort();
return(result);
}
catch (Exception ex)
{
SysLogUtils.error4Sys(LOG_UPLOADFAT, ex.Message);
return("");
}
finally
{
file.Close();
r.Close();
}
}