vue监听浏览器原生返回按钮,进行路由转跳操作

mounted(){
   if (window.history && window.history.pushState) {
  history.pushState(null, null, document.URL);
  window.addEventListener('popstate', this.cancel, false);
 }
 },

 destroyed(){
 window.removeEventListener('popstate', this.cancel, false);
 }

 cancel: function() {
   if(this.orderId){
     this.$router.push({
      name:"orderList",
      params: {id:this.orderId},
        });
   }else{
   this.$router.go(-1);
   }
  },

 setTimeout(() => {
  this.$confirm('编辑的页面布局尚未保存，确定离开？', '提示', {
   confirmButtonText: '确定',
   cancelButtonText: '取消',
   type: 'warning'
  }).then(() => {
   next()
   return
  }).catch(() => {
   this.$message({
    type: 'info',
    message: '已取消'
   })
   next(false)
   return
  })
 }, 500)