$('#file_upload').uploadify({ buttonImage: '${ctx }/commons/uploaddify/img/browse-btn.png', swf :'${ctx }/commons/uploaddify/uploadify.swf', uploader :'../servlet/defaultDispatcher;jsessionid=${pageContext.session.id}?__action=xxx', fileTypeExts: '*.jpg;*.png;*.gif;*.bmp', fileTypeDesc: '圖像文件', formData: { timestamp: new Date().getTime() }, onSelect: function(file){ //重寫校驗 }, onUploadProgress: function(file,bytesUploaded,bytesTotal,totalBytesUploaded,totalBytesTotal){ $('#pregress').html('總共需要上傳'+bytesTotal+'字節，'+'已上傳'+totalBytesTotal+'字節'); }, onUploadSuccess: function(file){ //上傳成功 } });