//复选框按钮var boxes = _g().getWidgetsByName("box");if (boxes.length > 0) {alert("多于1行才能进入");}#140天前的周CONCATENATE(year(DATEDELTA(today(),-140)),if(len(week(DATEDELTA(today(),-140)))=1,CONCATENATE("0",week(DATEDELTA(today(),-140))),week(DATEDELTA(today(),-140))))#当周CONCATENATE(year(),if(len(week(today()))=1,CONCATENATE("0",week(today())),week(today())))