使用Httpwebrequest上传文件 [英] Uploading file using Httpwebrequest

问题描述

我想将文件上传到服务器。我写了这个函数将文件上传到本地主机服务器（我使用的是wamp服务器）：

  private void button1_Click_1（object sender， EventArgs e）
 {
 FileStream fstream = new FileStream（@C：\ Users \Albert\Documents\10050409_3276.doc，FileMode.OpenOrCreate）; 
 HttpWebRequest request =（HttpWebRequest）WebRequest.Create（http：// localhost / upload_file）; 
 request.Method =PUT; 
 request.ContentLength = fstream.Length; 
 request.AllowWriteStreamBuffering = true; 
 Stream request_stream = request.GetRequestStream（）; 
 byte [] indata = new byte [1024]; 
 int bytes_read = fstream.Read（indata，0，indata.Length）; 
 while（bytes_read> 0）
 {
 request_stream.Write（indata，0，indata.Length）; 
 bytes_read = fstream.Read（indata，0，indata.Length）; 
} 
 fstream.Close（）; 
 request_stream.Close（）; 
 request.GetResponse（）; 
 MessageBox.Show（ok）; 
 
 $ / code> 

所以当我点击按钮时，异常apper说：

其他信息：远程服务器返回一个错误：（405）方法不允许。

我尝试使用POST而不是PUT，因此程序可以正常工作，并且消息框显示为ok，但是当我打开localhost-> upload_file（文件夹）Ididn'找到任何文件。

我用wamp server =>测试了我的程序。>发生了问题。

我测试过我的程序与真正的服务器，并放入网络凭据，并试图上传到文件夹（777）权限=>出现问题。

那么问题的确切位置在哪里？

感谢:)

解决方案

尝试使用webClient

  WebClient client = new WebClient（）; 
 byte [] bret = client.UploadFile（path，POST，FilePath）; 
 //路径== URL 
 // FilePath ==上传文件路径
  

或

  WebClient webClient = new WebClient（）; 
 string webAddress = null; 
尝试
 {
 webAddress = @http：// localhost / upload_file /; 
 
 webClient.Credentials = CredentialCache.DefaultCredentials; 
 
 WebRequest serverRequest = WebRequest.Create（webAddress）; 
 serverRequest.Credentials = CredentialCache.DefaultCredentials; 
 WebResponse serverResponse; 
 serverResponse = serverRequest.GetResponse（）; 
 serverResponse.Close（）; 
 
 webClient.UploadFile（路径，POST，FilePath）; 
 webClient.Dispose（）; 
 webClient = null; 
} 
 catch（异常错误）
 {
 MessageBox.Show（error.Message）; 
 
 
 
 
 
 
（代码或部分我没有试过）
 
I want to upload file to a server. I wrote this function to upload the file to localhost server (I am using wamp server):
private void button1_Click_1(object sender, EventArgs e)
    {
        FileStream fstream = new FileStream(@"C:\Users\Albert\Documents\10050409_3276.doc", FileMode.OpenOrCreate);
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://localhost/upload_file");
        request.Method = "PUT";
        request.ContentLength = fstream.Length;
        request.AllowWriteStreamBuffering = true;
        Stream request_stream = request.GetRequestStream();
        byte[] indata = new byte[1024];
        int bytes_read = fstream.Read(indata, 0, indata.Length);
        while (bytes_read > 0)
        {
            request_stream.Write(indata, 0, indata.Length);
            bytes_read = fstream.Read(indata, 0, indata.Length);
        }
        fstream.Close();
        request_stream.Close();
        request.GetResponse();
        MessageBox.Show("ok");
    }
So when i click on the button the exception apper said that:

  
Additional information: The remote server returned an error: (405) Method Not Allowed.
I tried to use "POST" instead of "PUT" so the program works and the message box appears to say 'ok', but when i open the localhost->upload_file(folder) Ididn't find any files.

I tested my program with wamp server => the problem occured.

I tested my program with real server and put in the network credentials and tried to upload to folder that has (777) permission => the problem occured.

So where is the problem exactly?

Thanks :) 
解决方案
try with webClient
WebClient client = new WebClient();
 byte[] bret = client.UploadFile(path, "POST", FilePath);
//path==URL
//FilePath==Your uploading file path
or 
WebClient webClient = new WebClient(); 
string webAddress = null; 
try 
{ 
    webAddress = @"http://localhost/upload_file/"; 

    webClient.Credentials = CredentialCache.DefaultCredentials; 

    WebRequest serverRequest = WebRequest.Create(webAddress); 
    serverRequest.Credentials = CredentialCache.DefaultCredentials;
    WebResponse serverResponse; 
    serverResponse = serverRequest.GetResponse(); 
    serverResponse.Close(); 

    webClient.UploadFile(path, "POST", FilePath); 
    webClient.Dispose(); 
    webClient = null; 
} 
catch (Exception error) 
{ 
    MessageBox.Show(error.Message); 
} 
(code in or part i didn't tried )

                        
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