>[success] # 生命周期 ~~~ 1.'3.x'的生命周期和'2.x' 整体相同不过'beforeDestory/destoryed' 改为 'beforeUnmount/unmounted' ~~~ ![](https://img.kancloud.cn/92/69/9269f46d70b2baddfe63ccea0cd5724f_1680x2776.png)