本文实例为大家分享了C#实现文件上传与下载的具体代码,供大家参考,具体内容如下
C#实现文件上传代码:
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public ActionResult Upload() { // var pathUrl = "http://" + Request.Url.Authority; var file = Request.Files[ "Filedata" ]; var uploadFileName = file.FileName; string filePath = "/File/" + uploadFileName; string AbsolutePath = Server.MapPath(filePath); file.SaveAs(AbsolutePath); //将上传的东西保存 return Json( new { FileName = uploadFileName, FilePath = filePath }); } |
C#实现文件下载功能:
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public ActionResult DownLoad( string FileName) { string fileName = FileName; //客户端保存的文件名 string filePath = Server.MapPath( "/File/" + FileName); //路径 //以字符流的形式下载文件 FileStream fs = new FileStream(filePath, FileMode.Open); byte [] bytes = new byte [( int )fs.Length]; fs.Read(bytes, 0, bytes.Length); fs.Close(); Response.ContentType = "application/octet-stream" ; //通知浏览器下载文件而不是打开 Response.AddHeader( "Content-Disposition" , "attachment; filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8)); Response.BinaryWrite(bytes); Response.Flush(); Response.End(); return Json( "" ); } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/stubborn-donkey/archive/2017/08/29/7446720.html