jQuery无刷新上传之uploadify

攻城狮世豪技术 2022年11月9日

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引自文章 http://www.cnblogs.com/babycool/archive/2012/08/04/2623137.html

将文章里的代码整合在了一个解决方案里，直接可以下载测试，上代码先

前台

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
    <link href="js/uploadify/uploadify.css" rel="external nofollow"  rel="stylesheet" type="text/css" />
    <script src="js/uploadify/jquery-1.4.1-vsdoc.js" type="text/javascript"></script>
    <script src="js/uploadify/jquery.uploadify-3.1.js" type="text/javascript"></script>
    <script src="js/uploadify/uploadHandle2_ashx.js" type="text/javascript"></script>
</head>
<body>
    <div>
        <%--用来作为文件队列区域--%>
        <div id="fileQueue">
        </div>
        <input type="file" name="uploadify" id="uploadify" />
        <div>
            <a href="javascript:$('#uploadify').uploadify('upload')" rel="external nofollow" >上传</a>|
            <a href="javascript:$('#uploadify').uploadify('cancel')" rel="external nofollow" >取消上传</a>
        </div>
    </div>
</body>
</html>

后台ashx文件

<%@ WebHandler Language="C#" Class="imageHandler" %>using System;
using System.Web;
using System.IO;public class imageHandler : IHttpHandler {    public void ProcessRequest(HttpContext context)
    {
        context.Response.ContentType = "text/plain";        //接收上传后的文件
        HttpPostedFile file = context.Request.Files["Filedata"];
        //其他参数
        //string somekey = context.Request["someKey"];
        //string other = context.Request["someOtherKey"];
        //获取文件的保存路径
        string uploadPath =
            HttpContext.Current.Server.MapPath("UploadImages" + "\\");
        //判断上传的文件是否为空
        if (file != null)
        {
            if (!Directory.Exists(uploadPath))
            {
                Directory.CreateDirectory(uploadPath);
            }
            //保存文件
            file.SaveAs(uploadPath + file.FileName);
            context.Response.Write("");
        }
        else
        {
            context.Response.Write("");
        }    }    public bool IsReusable
    {
        get
        {
            return false;
        }
    }}