我需要在服務器上上傳文件(使用不同的擴展名,例如.txt,.jpg,.pdf ....)。 我創建了一個接受http請求並將虛擬目錄映射到物理目錄的站點。 所有在下載中工作正常,現在我必須執行上傳。在httpwebrequest文件上傳中啓用POST
這裏是我的代碼
private void UploadFile(string uploadFileName, string localFileName)
{
//long length = 0;
string boundary = "----------------------------" + DateTime.Now.Ticks.ToString("x");
HttpWebRequest httpWebRequest2 = (HttpWebRequest)WebRequest.Create(uploadFileName);
httpWebRequest2.ContentType = "multipart/form-data; boundary=" + boundary;
httpWebRequest2.Method = "POST";
httpWebRequest2.KeepAlive = true;
httpWebRequest2.Credentials = new NetworkCredential("USER", "PASSWORD", "DOMAIN");
Stream memStream = new System.IO.MemoryStream();
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" +boundary + "\r\n");
string formdataTemplate = "\r\n--" + boundary +"\r\nContent-Disposition: form-data; name=\"{0}\";\r\n\r\n{1}";
memStream.Write(boundarybytes, 0, boundarybytes.Length);
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\n Content-Type: application/octet-stream\r\n\r\n";
string header = string.Format(headerTemplate, "uplTheFile", localFileName);
byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
memStream.Write(headerbytes, 0, headerbytes.Length);
FileStream fileStream = new FileStream(localFileName, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[1024];
int bytesRead = 0;
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
memStream.Write(buffer, 0, bytesRead);
}
memStream.Write(boundarybytes, 0, boundarybytes.Length);
fileStream.Close();
httpWebRequest2.ContentLength = memStream.Length;
Stream requestStream = httpWebRequest2.GetRequestStream();
//error returned in lenght field: "This stream does not support seek operations."
memStream.Position = 0;
byte[] tempBuffer = new byte[memStream.Length];
memStream.Read(tempBuffer, 0, tempBuffer.Length);
memStream.Close();
requestStream.Write(tempBuffer, 0, tempBuffer.Length);
requestStream.Close();
WebResponse webResponse2 = httpWebRequest2.GetResponse();
//error returned from getResponse: "The remote server returned an error: (405) Method Not Allowed."
//I guess cause my folder is in read only
Stream stream2 = webResponse2.GetResponseStream();
StreamReader reader2 = new StreamReader(stream2);
MessageBox.Show(reader2.ReadToEnd());
webResponse2.Close();
httpWebRequest2 = null;
webResponse2 = null;
}
首先,我得到這個錯誤:遠程服務器返回錯誤:(405)不允許的方法。 所以我試圖通過在網站上添加映射來啓用POST。
現在TE服務器上的文件夾中我有一個web.config文件是:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<directoryBrowse enabled="true" />
<handlers>
<add name="File TXT" path="*.*" verb="*" modules="IsapiModule" scriptProcessor="C:\Windows\System32\inetsrv\asp.dll" resourceType="Unspecified" requireAccess="Script" preCondition="bitness64" />
</handlers>
</system.webServer>
</configuration>
這種方式我沒有得到任何錯誤
,但應用程序不上傳任何文件。 我該如何解決這個問題?
你不能保存文件嗎?你使用的是Asp.NET文件上傳控件嗎?你需要將文件發送到另一個端點嗎? – awright18
你是什麼意思「只保存文件」?我需要從客戶端上傳到服務器文件夾。不,我沒有使用Asp.NET,只是應用程序池中由httpwebrequest從客戶端調用的網站(不知道如果我完全回答你的問題) – andrea
對不起安德烈我不能讀... – awright18