jquery插件uploadify实现带进度条的文件批量上传_jquery

using System;
using System.Web;
using System.IO;

public class UploadHandler : IHttpHandler {
 
 public void ProcessRequest (HttpContext context) {
  context.Response.ContentType = "text/plain";
  context.Request.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
  context.Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
  context.Response.Charset = "UTF-8";

  if (context.Request.Files.Count > 0)
  {
   #region 获取上传路径
   string uploadFolder = GetUploadFolder();
   #endregion

   if (System.IO.Directory.Exists(uploadFolder))
   {//如果上传路径存在
    HttpPostedFile file = context.Request.Files["Filedata"];
    string filePath = Path.Combine(uploadFolder, file.FileName);
    file.SaveAs(filePath);
    context.Response.Write("0");
   }
   else
   {
    context.Response.Write("2");
   }
  }
 }
 
 public bool IsReusable {
  get {
   return false;
  }
 }

 /// 

 /// 返回不带后缀的文件名
 /// 
 /// 
 /// 
 public static string GetFirstFileName(string fileName)
 {
  return Path.GetFileNameWithoutExtension(fileName);
 }

 /// 

 /// 获取上传目录
 /// 
 /// 
 public static string GetUploadFolder()
 {
  string rootPath = HttpContext.Current.Server.MapPath("~");
  return Path.Combine(rootPath, "test");
 }

}