卸载Unmount
componentWillUpdate
API: dispatch getState subscribe
组件运行时
外部props改变
componenDidMount
1.生命周期函数 render函数2.自己定义的事件函数3.state4.props
componentWillMount
State状态改变
componenDidUpdate
②
componentWillUnmount
componentWillReceiveProps
render
getInitialState
getDefaultProps
React Component
shouldComponentUpdate
结束
store: 保存：1.reducer2.middleware3.state4.callbackfunction
③
①
True
