在反应组件中,最好是在构造函数()或componentWillMount()中设置初始状态?在构造函数或componentWillMount中设置初始反应组件状态?
export default class MyComponent extends React.Component{
constructor(props){
super(props);
this.setState({key: value});
}
}
或
export default class MyComponent extends React.Component{
componentWillMount(props){
this.setState({key: value});
}
}
http://stackoverflow.com/questions/38137740/which-kinds-of-initialization-is-more-appropriate-in-constructor-vs-componentwil –