react 17生命周期

Mounting

• constructor()
• static getDerivedStateFromProps()
• render()
• componentDidMount()

Note:

These methods are considered legacy and you should avoid them in new code:

• UNSAFE_componentWillMount()

Updating

• static getDerivedStateFromProps()
• shouldComponentUpdate()
• render()
• getSnapshotBeforeUpdate()
• componentDidUpdate()

Note:

These methods are considered legacy and you should avoid them in new code:

• UNSAFE_componentWillUpdate()
• UNSAFE_componentWillReceiveProps()