加载渲染过程

父setup -> 父beforeCreate -> 父created -> 父beforeMount -> 子setup -> 子beforeCreate -> 子created -> 子beforeMount -> 子mounted -> 父mounted

更新过程

父beforeUpdate -> 子beforeUpdate -> 子updated -> 父updated

销毁过程

父beforeUnmount -> 子beforeUnmount -> 子unmounted -> 父unmounted