C# 文件處理相關整理(下載，讀取)

1.通過byte[]數據下載文件

  FileDownLoadByByte([] fileData, = = ,  +

 
 
 
 
  LoadFileFromServer( fileName, = ,  +, = = System.Text.Encoding.GetEncoding(

 ②

 
 
 = ,  filename = Server.MapPath(

3.通過流的形式下載文件

  fileName = ;
     filePath = Server.MapPath(
    FileStream fs = [] bytes =  [(= 
    Response.AddHeader(,  +

4.Excel下載

http://www.cnblogs.com/TiestoRay/archive/2013/02/02/2576134.html

5.如果是用的.NET MVC3(及以上) 一切變得更加簡單

例如

 filePath = Server.MapPath( File(filePath, , 

它共有六種可用形式

FileContentResult File([] fileContents,  fileName,  FileContentResult File([] fileContents,  contentType,  FileStreamResult File(Stream fileStream,  contentType,  FilePathResult File( fileName,  contentType,  fileDownloadName);

6.讀取ftp文件到字符串中

= = ftp += (FtpWebRequest)FtpWebRequest.Create(= = = 
        reqFTP.Method?=?==  line = (line != =),