//监听
  watch: {
    //监听路由
    '$route' (to, from) { //监听路由是否变化
      console.log(to.path);
      if(to.path == "/Jindex/JuserindexAdd"){

      }
    }
  },

升级

//监听
  watch: {
    //监听路由
    '$route' (to, from) { //监听路由是否变化
      let urlPath = ['/order/order','/order/listDate'];
      console.log(to.path);
      //判断数组中是否存在，// 不存在=>返回-1，存在返回下标
      let boot = urlPath.indexOf(to.path);
      if(boot){
        console.log(boot)
      }else{
        console.log(boot)
      }
    }
  },