vue中父组件和子组件的生命周期钩子

渲染

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

从外到内,在从内到外

子组件更新

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

父组件更新

父beforeUpdate->父updated

父组件卸载

父beforeDestory->子beforeDestory->子destoryed->父destoryed