<%@ 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上傳帶進(jìn)度條，且多參數(shù)</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 () {
      $("#pics").hide();
      $("#uploadify").uploadify({
        'uploader': 'js/jquery.uploadify-v2.1.4/uploadify.swf', //uploadify.swf文件的路徑
        'script': 'UploadHandler.ashx?type=add', //處理文件上傳的后臺腳本的路徑
        'cancelImg': 'js/jquery.uploadify-v2.1.4/cancel.png',
        'buttonText': 'Select Image',
        'folder': 'UploadFile/<% = DateTime.Now.ToString("yyyyMMdd") %>/', //上傳文件夾的路徑按20130416
        'queueID': 'fileQueue', //頁面中，你想要用來作為文件隊(duì)列的元素的id
        'auto': false, //當(dāng)文件被添加到隊(duì)列時，自動上傳
        'multi': true, //設(shè)置為true將允許多文件上傳
        'fileExt': '*.jpg;*.gif;*.png', //允許上傳的文件后綴
        'queueSizeLimit': 5,
        'fileDesc': 'Web Image Files (.JPG, .GIF, .PNG)', //在瀏覽窗口底部的文件類型下拉菜單中顯示的文本
        'sizeLimit': 1024000, //上傳文件的大小限制，單位為字節(jié) 1024*1000 1M
        'onComplete': function (event, queueID, fileObj, response, data) {
          var html = "";
          html += "  <li class=\'myli\'>";
          html += "  <img src=\"" + response + "\" class=\'myimg\'/>";
          html += "  <div style=\" position:absolute; right:8px; bottom:5px\">";
          html += "    <img title=\"點(diǎn)擊刪除\" src=\"Images/delete.gif\" onclick=\"delImage(\'" + response + "\');\" />";
          html += "  </div>";
          html += "  </li>";
          $("#pics").append(html);
        },
        'onAllComplete': function (event, data) { //當(dāng)上傳隊(duì)列中的所有文件都完成上傳時觸發(fā)
          //alert(data.filesUploaded + ' 個文件上傳成功!');
          $("#pics").fadeIn();
        }
      });
    });
    function uploadpara() {
      //自定義傳遞參數(shù)
      $('#uploadify').uploadifySettings('scriptData', { 'name': $('#txtName').val(), 'albums': $('#txtAlbums').val() });
      $('#uploadify').uploadifyUpload();
    }
    function delImage(picurl) {
      jsonAjax("UploadHandler.ashx", "type=del&picurl=" + picurl, "text", callBackTxt);
    }
    function jsonAjax(url, param, datat, callback) {
      $.ajax({
        type: "post",
        url: url,
        data: param,
        dataType: datat,
        success: callback,
        error: function () {
          jQuery.fn.mBox({
            message: '恢復(fù)失敗'
          });
        }
      });
    }
    function callBackTxt(data) {
      var o = data;
      if (o != "") {
        var e = $(".myli img[src='" + data + "']");
        e.each(function () {
          $(this).parent().remove();
        })
      } else {
        alert("刪除失敗");
      }
    };
  </script>
  <style type="text/css">
  .myul
  {
   margin:5px 5px 5px 5px;
   padding:0px;
  }
  .myli
  {
    list-style-type:none;
    width:150px;
    height:150px;
    display:inline;
    position:relative;
  }
  .myimg
  {
    width:120px;
    height:120px;
  }
  </style>
</head>
<body>
  <form id="form1" runat="server">
  <div>
  <div id="fileQueue"></div>
  <input type="file" name="uploadify" id="uploadify" />
  <div id="pics">
  <ul class="myul">
  </ul>
  </div>
  <div>
  <p>
    <a href="javascript:void(0);" onclick="uploadpara();">上傳</a>|
    <a href="javascript:$('#uploadify').uploadifyClearQueue()">取消上傳</a>
  </p>
  </div>
  </div>
  </form>
</body>
</html>

<%@ WebHandler Language="C#" Class="UploadHandler" %>
using System;
using System.Web;
using System.IO;
/// <summary>
/// UploadHandler文件上傳
/// </summary>
public class UploadHandler : IHttpHandler
{
  public void ProcessRequest(HttpContext context)
  {
    context.Response.ContentType = "text/plain";
    context.Response.Charset = "utf-8";
    string type = context.Request["type"];
    if (type=="add")
    {
      HttpPostedFile file = context.Request.Files["Filedata"];
      string uploadPath = HttpContext.Current.Server.MapPath(@context.Request["folder"]);
      string name = context.Request.Params["name"]; //獲取傳遞的參數(shù)
      string albums = context.Request.Params["albums"];
      if (file != null)
      {
        if (!Directory.Exists(uploadPath))
        {
          Directory.CreateDirectory(uploadPath);
        }
        file.SaveAs(Path.Combine(uploadPath, file.FileName));
        context.Response.Write(@context.Request["folder"] + file.FileName);
      }
      else
      {
        context.Response.Write("");
      }
    }
    else if (type == "del")
    {
      string picurl = context.Request["picurl"];
      try
      {
        File.Delete(context.Server.MapPath(picurl));
        context.Response.Write(picurl);
      }
      catch
      {
        context.Response.Write("");
      }
    }
    else
    { }
  }
  public bool IsReusable
  {
    get
    {
      return false;
    }
  }
}

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