ASP.NET MVC下使用文件上传

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace Shop.Controllers
{
    public class UploadifyController : Controller
    {
        //
        // GET: /Uploadify/

        public ActionResult Index()
        {
            return View();
        }

        [AcceptVerbs(HttpVerbs.Post)]
        public JsonResult Upload(HttpPostedFileBase fileData)
        {
            if (fileData != null)
            {
                try
                {
                    // 文件上传后的保存路径
                    string filePath = Server.MapPath("~/Uploads/");
                    if (!Directory.Exists(filePath))
                    {
                        Directory.CreateDirectory(filePath);
                    }
                    string fileName = Path.GetFileName(fileData.FileName);// 原始文件名称
                    string fileExtension = Path.GetExtension(fileName); // 文件扩展名
                    string saveName = Guid.NewGuid().ToString() + fileExtension; // 保存文件名称

                    fileData.SaveAs(filePath + saveName);

                    return Json(new { Success = true, FileName = fileName, SaveName = saveName });
                }
                catch (Exception ex)
                {
                    return Json(new { Success = false, Message = ex.Message }, JsonRequestBehavior.AllowGet);
                }
            }
            else
            {
                return Json(new { Success = false, Message = "请选择要上传的文件！" }, JsonRequestBehavior.AllowGet);
            }
        }
    }
}

@{
    ViewBag.Title = "Index";
    Layout = null;
}
<link href="~/Content/uploadify/uploadify.css" rel="stylesheet" />
<script src="~/Scripts/jquery-1.7.1.min.js"></script>
<script src="~/Content/uploadify/jquery.uploadify-3.1.min.js"></script>
<script type="text/javascript">
        $(function () {
            $("#file_upload").uploadify({
                //指定swf文件
                ‘swf‘: ‘@Url.Content("~/Content/uploadify/uploadify.swf")‘,
                //后台处理的页面
                ‘uploader‘: ‘/Uploadify/Upload‘,
                //按钮显示的文字
                ‘buttonText‘: ‘上传图片‘,
                //显示的高度和宽度，默认 height 30；width 120
                //‘height‘: 15,
                //‘width‘: 80,
                //上传文件的类型  默认为所有文件    ‘All Files‘  ;  ‘*.*‘
                //在浏览窗口底部的文件类型下拉菜单中显示的文本
                ‘fileTypeDesc‘: ‘Image Files‘,
                //允许上传的文件后缀
                ‘fileTypeExts‘: ‘*.gif; *.jpg; *.png‘,
                //发送给后台的其他参数通过formData指定
                //‘formData‘: { ‘someKey‘: ‘someValue‘, ‘someOtherKey‘: 1 },
                //上传文件页面中，你想要用来作为文件队列的元素的id, 默认为false  自动生成,  不带#
                //‘queueID‘: ‘fileQueue‘,
                //选择文件后自动上传
                ‘auto‘: false,
                //设置为true将允许多文件上传
                ‘multi‘: true
            });
        });  
    </script>
  <div>
       @*用来作为文件队列区域*@
        <div id="fileQueue">
        </div>
         <input type="file" id="file_upload" name="file_upload" />
        <p>
            <a href="javascript:$(‘#file_upload‘).uploadify(‘upload‘)">上传</a>| 
            <a href="javascript:$(‘#file_upload‘).uploadify(‘cancel‘)">取消上传</a>
        </p>
    </div>

$(function() {
    $("#file_upload").uploadify({
         ‘swf‘: ‘@Url.Content("~/Content/uploadify/uploadify.swf")‘, //指定swf文件
         ‘uploader‘: ‘/Uploadify/Upload‘,//后台处理的页面
        ‘onUploadComplete‘ : function(file) {
            alert(‘The file ‘ + file.name + ‘ finished processing.‘);
        }
    });
});

$(function() {
    $("#file_upload").uploadify({
        ‘swf‘      : ‘@Url.Content("~/Content/uploadify/uploadify.swf")‘,
        ‘uploader‘ : ‘uploader‘: ‘/Uploadify/Upload‘,
        ‘onQueueComplete‘ : function(queueData) {
            alert(queueData.uploadsSuccessful + ‘ files were successfully uploaded.‘);
        }
    });
}); 

$(function () {
        $(‘#file_upload‘).uploadify({
            ‘buttonImage‘: ‘@Url.Content("~/Content/uploadify/browse-btn.png")‘,
            ‘swf‘: ‘@Url.Content("~/Content/uploadify/uploadify.swf")‘, //指定swf文件
            ‘uploader‘: ‘/Uploadify/Upload‘,//后台处理的页面
            ‘onUploadSuccess‘: function (file, data, response) {
                eval("data=" + data);
                alert(‘文件 ‘ + file.name + ‘ 已经上传成功，并返回 ‘ + response + ‘ 保存文件名称为 ‘ + data.SaveName);
            }
        });
});

<system.web>
　　<!--设置最大允许上传文件大小1G-->
　　<httpRuntime maxRequestLength= "102400" executionTimeout= "60" />
</system.web>