uploadify 上传,传递参数到服务端 .

function initUploadImg() {

           $('#divImageUpload').uploadify({
               overrideEvents: ['onUploadError'],
               method: 'post',
               formData: { 'uploadtype': 'templateupload', 'cbtunitid': getQueryString('rec_id'), 'templatename': getTemplateFilesName() },
               swf: '../HTMLTemplate/TemplateFolder/TemplateFolderResource/uploadify/uploadify.swf',
               uploader: '../Files/FileUpload.ashx',
               fileTypeDesc: 'select file',
               fileTypeExts: '*.jpg,*.png,*.gif,*.swf',
               fileSizeLimit: '4MB',
               buttonText: '点击选择上传文件',
               queueSizeLimit: 1,
               multi: false,
               onUploadStart: function (file) {
                   alert('onUploadStart');
                   $("#divImageUpload").uploadify("settings", "formData", { 'uploadtype': 'templateupload', 'cbtunitid': getQueryString('rec_id'), 'templatename': getTemplateFilesName() });
               },
               onUploadSuccess: function (file, data, response) {
                   alert('onUploadSuccess');
                   var resultdata = jQuery.parseJSON(data);
                   if (resultdata.result == 'ok') {

                   }
                   else if (resultdata.result == 'error') {
                       showErr(resultdata.message);
                   }
               },
               onUploadComplete: function (file) {
                   alert('onUploadComplete');
               },
               onUploadError: function (file, errorCode, errorMsg, errorString) {
                   alert('onUploadError');
                   alert(errorString);
               },
               onDialogClose: function (queueData) {
                   alert('onDialogClose');
               }
           });
       }