ASP.NET MVC4 利用uploadify.js多文件上传

页面代码：

1.引入js和css文件

2.body内代码

　　
 
ASP .NET MVC4 多文件文件上传实例
 

  

   
  
  

   上传第一个
   上传队列
   取消第一个
   取消队列
  
 
 

  

   
文件列表
  
  


  

   
图片列表
  
 

后台代码：

public ActionResult loadFileInfo()
  {
   StringBuilder sb = new StringBuilder();
   DirectoryInfo theFolder = new DirectoryInfo(Server.MapPath("~/UploadFile/"));
   DirectoryInfo[] dirInfo = theFolder.GetDirectories();
   //遍历文件夹
   foreach (DirectoryInfo NextFolder in dirInfo)
   {
    FileInfo[] fileInfo = NextFolder.GetFiles();
    //遍历文件
    foreach (FileInfo NextFile in fileInfo)
    {
     string exStr = NextFile.Extension;
     string str = NextFile.Name;
     if (exStr == ".zip" || exStr == ".7z" || exStr == ".rar" || exStr.ToLower() == ".rars")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".doc" || exStr == ".docx")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".ppt" || exStr == ".pptx")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".xlsx" || exStr == ".xls" || exStr == ".XLS")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".pdf")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".js" || exStr == ".JS")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".html" || exStr == ".HTML")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".txt" || exStr == ".TXT")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".mp3" || exStr == ".wmv" || exStr == ".aac")
     {
      sb.Append("
" + str + "
");
     }
     else if (exStr == ".avi" || exStr == ".mov" || exStr == ".mp4" || exStr == ".ram" || exStr == ".flv")
     {
      sb.Append("
" + str + "
");
     }
     else {
      sb.Append("
" + str + "
");
     }
    }
   }
   return Content(sb.ToString());
  }
  public ActionResult loadImgInfo()
  {
   StringBuilder sb = new StringBuilder();
   DirectoryInfo theFolder = new DirectoryInfo(Server.MapPath("~/UploadImg/"));
   DirectoryInfo[] dirInfo = theFolder.GetDirectories();
   //遍历文件夹
   foreach (DirectoryInfo NextFolder in dirInfo)
   {
    FileInfo[] fileInfo = NextFolder.GetFiles();
    //遍历文件
    foreach (FileInfo NextFile in fileInfo)
    {
     string str = NextFile.Name;
     sb.Append("
" + str + "
");
    }
   }
   return Content(sb.ToString());
  }
  public ActionResult UploadFile()
  {
   string filepath = "";
   bool fileOK = false;
   //判断是否已经选择上传文件
   HttpPostedFileBase file = Request.Files["myfile"];
   if (file != null && file.ContentLength > 0)
   {
    String fileExtension = System.IO.Path.GetExtension(file.FileName).ToLower();
    //判断是否为图片类型
    String[] allowedExtensions = { ".gif", ".png", ".bmp", ".jpg" };
    for (int i = 0; i < allowedExtensions.Length; i++)
    {
     if (fileExtension == allowedExtensions[i])
     {
      fileOK = true;
     }
    }
    if (fileOK)
    {
     //设置上传目录
     string path = Server.MapPath("~/UploadImg/Img/");
     if (!Directory.Exists(path))
      Directory.CreateDirectory(path);
     string filenNamer = file.FileName;
     //文件路径
     filepath = path + filenNamer;
     file.SaveAs(filepath);
     return RedirectToAction("Upload", "Home");
    }
    else
    {
     //设置上传目录
     string path = Server.MapPath("~/UploadFile/File/");
     if (!Directory.Exists(path))
      Directory.CreateDirectory(path);
     //不为图片类型的文件存入到File目录中
     string filenNamer = file.FileName;
     //文件路径
     filepath = path + filenNamer;
     file.SaveAs(filepath);
     return RedirectToAction("Upload", "Home"); 
    }
   }
   else
   {
    var script = String.Format("", Url.Action("Upload"));
    return Content(script, "text/html");
   }
  }

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