我得到了以下代码:
doc.paragraphs[7].text = doc.paragraphs[7].text.replace('98%','85%')
需要尝试将其更新为新方法“ getDerivedStateFromProps”:
const mapStateToProps = (state) => {
return {
currentUser: state.mainstate.currentUser,
appLoaded: state.mainstate.appLoaded,
redirectTo: state.mainstate.redirectTo
}};
const mapDispatchToProps = dispatch => ({
onLoad: (payload, token) =>
dispatch({ type: APP_LOAD, payload, token, skipTracking: true }),
onRedirect: () =>
dispatch({ type: REDIRECT })
});
class App extends React.Component {
UNSAFE_componentWillReceiveProps(nextProps) {
if (nextProps.redirectTo) {
store.dispatch( push(nextProps.redirectTo) );
this.props.onRedirect();
}
}
//...
}
export default connect(mapStateToProps, mapDispatchToProps)(App);
但是出现错误“初始状态未定义”。 我应该如何将状态传递给getDerivedStateFromProps? 或者我应该使用'componentDidUpdate' 尝试了这段代码:
static getDerivedStateFromProps(props, state) {
if (props.redirectTo) {
store.dispatch( push(props.redirectTo) );
props.onRedirect();
}
}
但也出现错误