Jquery Uploadify上传带进度条的简单实例

  

复制代码 代码如下:

  <%@ Page Language="C#" AutoEventWireup="true" CodeFile="UpLoad.aspx.cs" Inherits="UploadifyDemo_UpLoad" %>

  <html xmlns="http://www.w3.org/1999/xhtml">

  <head id="Head1" runat="server">

  <title>Jquery Uploadify上传带进度条</title>

  <link href="js/jquery.uploadify-v2.1.4/uploadify.css" rel="stylesheet" type="text/css" />

  <script type="text/javascript" src="js/jquery.uploadify-v2.1.4/jquery-1.4.2.min.js"></script>

  <script type="text/javascript" src="js/jquery.uploadify-v2.1.4/swfobject.js"></script>

  <script type="text/javascript" src="js/jquery.uploadify-v2.1.4/jquery.uploadify.v2.1.4.min.js"></script>

  <script type="text/javascript">

  $(document).ready(function () {

  $("#uploadify").uploadify({

  'uploader': 'js/jquery.uploadify-v2.1.4/uploadify.swf', //uploadify.swf文件的路径

  'script': 'UploadHandler.ashx', //处理文件上传的后台脚本的路径

  'cancelImg': 'js/jquery.uploadify-v2.1.4/cancel.png',

  'folder': 'UploadFile/<% = subpathName %>', //上传文件夹的路径

  'queueID': 'fileQueue', //页面中,你想要用来作为文件队列的元素的id

  'auto': false, //当文件被添加到队列时,自动上传

  'multi': true, //设置为true将允许多文件上传

  'fileExt': '*.jpg;*.gif;*.png', //允许上传的文件后缀

  'fileDesc': 'Web Image Files (.JPG, .GIF, .PNG)', //在浏览窗口底部的文件类型下拉菜单中显示的文本

  'sizeLimit': 102400,  //上传文件的大小限制,单位为字节 100k

  'onCancel': function (event, ID, fileObj, data) { //当从上传队列每移除一个文件时触发一次

  alert('The upload of ' + fileObj.name + ' has been canceled!');

  },

  'onComplete': function (event, ID, fileObj, response, data) { //每完成一次文件上传时触发一次

  alert('There are ' + data.fileCount + ' files remaining in the queue.');

  },

  'onAllComplete': function (event, data) { //当上传队列中的所有文件都完成上传时触发

  alert(data.filesUploaded + ' files uploaded successfully!');

  }

  });

  });

  </script>

  </head>

  <body>

  <form id="form1" runat="server">

  <div>

  </div>

  </form>

  <div id="fileQueue"></div>

  <input type="file" name="uploadify" id="uploadify" />

  <p>

  <a href="javascript:$('#uploadify').uploadifyUpload()">上传</a>|

  <a href="javascript:$('#uploadify').uploadifyClearQueue()">取消上传</a>

  </p>

  </body>

  </html>

  

复制代码 代码如下:

  <%@ WebHandler Language="C#" Class="UploadHandler" %>

  using System;

  using System.Web;

  using System.IO;

  public class UploadHandler : IHttpHandler

  {

  public void ProcessRequest(HttpContext context)

  {

  context.Response.ContentType = "text/plain";

  context.Response.Charset = "utf-8";

  HttpPostedFile file = context.Request.Files["Filedata"];

  string uploadPath = HttpContext.Current.Server.MapPath(@context.Request["folder"]);

  if (file != null)

  {

  if (!Directory.Exists(uploadPath))

  {

  Directory.CreateDirectory(uploadPath);

  }

  file.SaveAs(Path.Combine(uploadPath, file.FileName));

  context.Response.Write("1");

  }

  else

  {

  context.Response.Write("0");

  }

  }

  public bool IsReusable

  {

  get

  {

  return false;

  }

  }

  }