获得文件大小代码,CSharp代码库,德仔网

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【CSharp】获得文件大小
作者:CSDN / 发布于2012/1/11/ 433
<div><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> GetFileSize(</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> filename)
 {
 </span><span style="color: rgb(0,0,255)">long</span><span style="color: rgb(0,0,0)"> fileSize </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">;
 </span><span style="color: rgb(0,0,255)">try</span><span style="color: rgb(0,0,0)">
 {
 FileInfo fileInf </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> FileInfo(filename);
 </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> uri </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">ftp://</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> ftpServerIP </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">/</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> fileInf.Name;
 Connect(uri);</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">连接 </span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)"> reqFTP.Method </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> WebRequestMethods.Ftp.GetFileSize;
 FtpWebResponse response </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> (FtpWebResponse)reqFTP.GetResponse();
 fileSize </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> response.ContentLength;
 response.Close();
 }
 </span><span style="color: rgb(0,0,255)">catch</span><span style="color: rgb(0,0,0)"> (Exception ex)
 {
 MessageBox.Show(ex.Message);
 }
 </span><span style="color: rgb(0,0,255)">return</span><span style="color: rgb(0,0,0)"> fileSize;
 }
</span></div>
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