我需要在服务器上上传文件(使用不同的扩展名,例如.txt,.jpg,.pdf ....)。 我创建了一个接受http请求并将虚拟目录映射到物理目录的站点。 所有在下载中工作正常,现在我必须执行上传。在httpwebrequest文件上传中启用POST
这里是我的代码
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,我得到这个错误:远程服务器返回错误:(405)不允许的方法。 所以我试图通过在网站上添加映射来启用POST。
现在TE服务器上的文件夹中我有一个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>
这种方式我没有得到任何错误
,但应用程序不上传任何文件。 我该如何解决这个问题?
你不能保存文件吗?你使用的是Asp.NET文件上传控件吗?你需要将文件发送到另一个端点吗? – awright18
你是什么意思“只保存文件”?我需要从客户端上传到服务器文件夹。不,我没有使用Asp.NET,只是应用程序池中由httpwebrequest从客户端调用的网站(不知道如果我完全回答你的问题) – andrea
对不起安德烈我不能读... – awright18