<script type="text/javascript" src="~/Scripts/jquery-2.0.3.min.js"></script>

 @*添加Jquery，EasyUI和easyUI的语言包的JS文件*@
  <script type="text/javascript" src="~/Content/JqueryEasyUI/jquery.min.js"></script>
  <script type="text/javascript" src="~/Content/JqueryEasyUI/jquery.easyui.min.js"></script>
  <script type="text/javascript" src="~/Content/JqueryEasyUI/locale/easyui-lang-zh_CN.js"></script>

 @*添加对uploadify控件的支持*@
  @*<script type="text/javascript" src="~/Scripts/jquery-2.0.3.min.js"></script>*@
  <script type="text/javascript" src="~/Content/JQueryTools/uploadify/jquery.uploadify.js"></script>
  <link href="~/Content/JQueryTools/uploadify/uploadify.css" rel="external nofollow" rel="stylesheet" type="text/css" />

 <tr>
            <th>
              <label for="Attachment_GUID">附件上传：</label>
            </th>
            <td>              
              <div>
                <input class="easyui-validatebox" type="hidden" id="Attachment_GUID" name="Attachment_GUID" />
                <input id="file_upload" name="file_upload" type="file" multiple="multiple">
                <a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" class="easyui-linkbutton" id="btnUpload" data-options="plain:true,iconCls:'icon-save'"
                  onclick="javascript: $('#file_upload').uploadify('upload', '*')">上传</a>
                <a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" class="easyui-linkbutton" id="btnCancelUpload" data-options="plain:true,iconCls:'icon-cancel'"
                  onclick="javascript: $('#file_upload').uploadify('cancel', '*')">取消</a>
                <div id="fileQueue" class="fileQueue"></div>
                <div id="div_files"></div>
                <br />
              </div>
            </td>
          </tr>

<script type="text/javascript">
    $(function () {
      //添加界面的附件管理
      $('#file_upload').uploadify({
        'swf': '/Content/JQueryTools/uploadify/uploadify.swf', //FLash文件路径
        'buttonText': '浏 览',                 //按钮文本
        'uploader': '/FileUpload/Upload',            //处理文件上传Action
        'queueID': 'fileQueue',            //队列的ID
        'queueSizeLimit': 10,             //队列最多可上传文件数量，默认为999
        'auto': false,                 //选择文件后是否自动上传，默认为true
        'multi': true,                 //是否为多选，默认为true
        'removeCompleted': true,            //是否完成后移除序列，默认为true
        'fileSizeLimit': '10MB',            //单个文件大小，0为无限制，可接受KB,MB,GB等单位的字符串值
        'fileTypeDesc': 'Image Files',         //文件描述
        'fileTypeExts': '*.gif; *.jpg; *.png; *.bmp;*.tif;*.doc;*.xls;*.zip', //上传的文件后缀过滤器
        'onQueueComplete': function (event, data) {         //所有队列完成后事件
          ShowUpFiles($("#Attachment_GUID").val(), "div_files"); //完成后更新已上传的文件列表
          $.messager.alert("提示", "上传完毕！");                   //提示完成      
        },
        'onUploadStart' : function(file) {
          $("#file_upload").uploadify("settings", 'formData', { 'folder': '政策法规', 'guid': $("#Attachment_GUID").val() }); //动态传参数
        },
        'onUploadError': function (event, queueId, fileObj, errorObj) {
          //alert(errorObj.type + "：" + errorObj.info);
        }
      });
  </script>

'uploader': '/FileUpload/Upload'

'onQueueComplete': function (event, data) { 

$("#file_upload").uploadify("settings", 'formData', { 'folder': '政策法规', 'guid': $("#Attachment_GUID").val() }); //动态传参数

ControllerContext.HttpContext.Request.ContentEncoding = Encoding.GetEncoding("UTF-8");
ControllerContext.HttpContext.Response.ContentEncoding = Encoding.GetEncoding("UTF-8");
ControllerContext.HttpContext.Response.Charset = "UTF-8";

 public class FileUploadController : BaseController
  {
    [AcceptVerbs(HttpVerbs.Post)]
    public ActionResult Upload(HttpPostedFileBase fileData, string guid, string folder)
    {
      if (fileData != null)
      {
        try
        {
          ControllerContext.HttpContext.Request.ContentEncoding = Encoding.GetEncoding("UTF-8");
          ControllerContext.HttpContext.Response.ContentEncoding = Encoding.GetEncoding("UTF-8");
          ControllerContext.HttpContext.Response.Charset = "UTF-8";
          // 文件上传后的保存路径
          string filePath = Server.MapPath("~/UploadFiles/");
          DirectoryUtil.AssertDirExist(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
          FileUploadInfo info = new FileUploadInfo();
          info.FileData = ReadFileBytes(fileData);
          if (info.FileData != null)
          {
            info.FileSize = info.FileData.Length;
          }
          info.Category = folder;
          info.FileName = fileName;
          info.FileExtend = fileExtension;
          info.AttachmentGUID = guid;
          info.AddTime = DateTime.Now;
          info.Editor = CurrentUser.Name;//登录人
          //info.Owner_ID = OwerId;//所属主表记录ID
          CommonResult result = BLLFactory<FileUpload>.Instance.Upload(info);
          if (!result.Success)
          {
            LogTextHelper.Error("上传文件失败:" + result.ErrorMessage);
          }
          return Content(result.Success.ToString());
        }
        catch (Exception ex)
        {
          LogTextHelper.Error(ex);
          return Content("false");
        }
      }
      else
      {
        return Content("false");
      }
    }
    private byte[] ReadFileBytes(HttpPostedFileBase fileData)
    {
      byte[] data;
      using (Stream inputStream = fileData.InputStream)
      {
        MemoryStream memoryStream = inputStream as MemoryStream;
        if (memoryStream == null)
        {
          memoryStream = new MemoryStream();
          inputStream.CopyTo(memoryStream);
        }
        data = memoryStream.ToArray();
      }
      return data;
    }