把两个数组 合并成一个数组
console.log("routes:",routes) //对象格式
let pathlist=routes.children[2].children; //数组1
let pathlist1=routes.children[3].children;//数组2
let path=pathlist.concat(pathlist1) //合并数组
console.log('path:',path)
合并成功
//跳转路由,可以忽略
let path=routes.children[3].children[this.selectionPath-1].path;
this.$router.push(path);