当redux状态恢复的原因不确定时,可以按照以下步骤进行排查和解决:
const initialState = {
// 初始状态
// ...
};
function reducer(state = initialState, action) {
// ...
}
const actionTypes = {
// 定义action类型
// ...
};
function reducer(state = initialState, action) {
switch (action.type) {
case actionTypes.UPDATE_DATA:
// 更新状态的逻辑
// ...
return newState;
// ...
default:
return state;
}
}
import { createStore, applyMiddleware } from 'redux';
import thunkMiddleware from 'redux-thunk';
import loggerMiddleware from 'redux-logger';
import rootReducer from './reducers';
const store = createStore(
rootReducer,
applyMiddleware(thunkMiddleware, loggerMiddleware)
);
import { connect } from 'react-redux';
import { updateData } from './actions';
class MyComponent extends React.Component {
componentDidMount() {
// 异步更新状态
this.props.updateData();
}
render() {
// ...
}
}
const mapStateToProps = (state) => {
// ...
};
const mapDispatchToProps = {
updateData
};
export default connect(mapStateToProps, mapDispatchToProps)(MyComponent);
import { createStore } from 'redux';
import { persistStore, persistReducer } from 'redux-persist';
import storage from 'redux-persist/lib/storage';
import rootReducer from './reducers';
const persistConfig = {
key: 'root',
storage
};
const persistedReducer = persistReducer(persistConfig, rootReducer);
const store = createStore(persistedReducer);
const persistor = persistStore(store);
// ...
persistor.pause(); // 暂停订阅
persistor.persist(); // 强制持久化
persistor.flush(); // 立即持久化
persistor.rehydrate(); // 重新加载已持久化的状态
persistor.resume(); // 恢复订阅
通过以上步骤的排查和解决,可以帮助你找到为什么redux状态会恢复的原因,并解决该问题。