利用WebClient實現檔案傳送

2021-06-17 22:57:27 字數 1583 閱讀 5749

//新增命名引用空間

using system.net;

using system.io;

using system.threading;

namespace 利用webclient實現檔案傳送

private void startdownload()

catch (webexception ex)

webclient downloadclient = new webclient();

trycatch (webexception ex)

buttondownload.enabled = true;

}private void buttondownload_click(object sender, eventargs e)

thread thdownload = new thread(new threadstart(startdownload));

thdownload.start();

}private void buttonfind1_click(object sender, eventargs e)

}//上傳檔案

private void startupload()

else

uristring = uristring + filename;

//建立webclient例項

webclient uploadclient = new webclient();

//獲取與ftp伺服器通訊的憑據

uploadclient.credentials = credentialcache.defaultcredentials;

//以檔案流方式上傳檔案

filestream fs = new filestream(filename, filemode.open, fileaccess.read);

//採用二進位制資料流

binaryreader r = new binaryreader(fs);

tryelse

poststream.close();

}catch (webexception ex)}}

private void buttonfind_click(object sender, eventargs e)}}

private void buttonupload_click(object sender, eventargs e)}}

利用WebClient類向伺服器上載檔案

net sdk 上面的開啟檔案的類 private filestream openfile else return null private void button2 click object sender,system.eventargs e private void button1 click ...

利用WebClient類向伺服器上載檔案

code net 提供了許多上載檔案的方法,在windows form應用程式中,我們可以使用webclient類來實現。webclient類也有兩個方法可以上載,uploadfile和openwrite方法,下面就是乙個實際的例子,兩種方法都有 結果如下 c 如下 using system usi...

使用 WebClient 非同步上載檔案

比較簡單,但需要有幾點要注意的地方 vb.net private sub button1 click byval sender as system.object,byval e as system.eventargs handles button1.click me.progressbar1.val...