/**
* 判断是否为空
*/exportfunctionisEmpty(value){
let val =JSON.parse(JSON.stringify(value));if(typeof val ==='boolean'){
returnfalse;}if(typeof val ==='number'){
returnfalse;}if(val instanceofArray){
if(val.length ===0)returntrue;}elseif(val instanceofObject){
if(JSON.stringify(val)==='{}')returntrue;}else{
if(val ==='null'|| val ==null|| val ==='undefined'|| val === undefined || val ===''){
returntrue;}else{
returnfalse;}}returnfalse;}