// TODO 临时代码exportfunctionformatDate(date,pattern){if(!(dateinstanceofDate)){date=newDate(date);}if(pattern==='yyyy-MM-dd'){letd=date.getDate();letm=date.getMonth()+1;//Month from 0 to 11lety=date.getFullYear();return''+y+'-'+(m<=9?'0'+m:m)+'-'+(d<=9?'0'+d:d);}else{return'暂不支持';}}