vue3的父子组件生命周期的执行顺序
father setup -> father onBeforeMount -> child setup -> child onBeforeMount -> child onMounted -> father onMounted
vue2的父子组件生命周期的执行顺序
father beforeCreate -> father created -> father beforeMount -> child beforeCreate -> child created -> child beforeMount -> child mounted -> father mounted
标签：生命周期,vue3,father,vue2,child,组件 From： https://www.cnblogs.com/wq2022/p/vue_lifeCycle_excuteSequence.html