废话不多说了,直接给大家贴代码了,具体代码如下所示:
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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 }); } |
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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( "" ); } |
总结
以上所述是小编给大家介绍的C#实现文件上传及文件下载功能实例代码,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://www.cnblogs.com/stubborn-donkey/archive/2017/08/29/7446720.html