【React基础-02】生命周期
1、React组件生命周期
https://react.docschina.org/docs/react-component.html#shouldcomponentupdate
2、生命周期图谱作为速查表:如下图
https://projects.wojtekmaj.pl/react-lifecycle-methods-diagram/
https://projects.wojtekmaj.pl/react-lifecycle-methods-diagram/