Javascript 在另一个减速器中更改状态

我开始研究反应。这是我的问题。我有一些减速机

let reducers = combineReducers({
    user: userReducer,
    index_page: indexReducer,
    notifications: notificationsReducer
});

Notifications Reducer有自己的渲染通知状态，在indexReducer中有。一个axios请求，在响应后，应在通知还原器中向用户发出更改状态通知

我不太明白怎么做

这是我的代码：

通知减速器

let initialState = [
    {id: 3, text: 'test_msg', state: 'error'}
];

export const createNotificationActionCreator = (msg_text, msg_state) => {
    return {
        type: 'SHOW_NOTIFY',
        msg_text: msg_text,
        msg_state: msg_state
    }
}

const notificationsReducer = (state = initialState, action) => {
    switch (action.type) {
        case SHOW_NOTIFY:

            let msg = {
                text: action.msg_text,
                msg_state: action.msg_state
            };

            state.push(msg);
            break;
    }

    return state;
}

const indexReducer = (state = initialState, action) => {
   switch (action.type) {
       case CREATE_NEW_BET:
           let bet_data = new Object();

           bet_data.bet = state.betAmount;
           bet_data.color = action.color;

           axios.get('http://localhost/createbet', {
               params: {
                   bet_data
               }
           }).then(function (response) {
               // CHANGE STATE IN notificationsReducer
           });

           break;
   }

   return state;
}

indexReducer

let initialState = [
    {id: 3, text: 'test_msg', state: 'error'}
];

export const createNotificationActionCreator = (msg_text, msg_state) => {
    return {
        type: 'SHOW_NOTIFY',
        msg_text: msg_text,
        msg_state: msg_state
    }
}

const notificationsReducer = (state = initialState, action) => {
    switch (action.type) {
        case SHOW_NOTIFY:

            let msg = {
                text: action.msg_text,
                msg_state: action.msg_state
            };

            state.push(msg);
            break;
    }

    return state;
}

const indexReducer = (state = initialState, action) => {
   switch (action.type) {
       case CREATE_NEW_BET:
           let bet_data = new Object();

           bet_data.bet = state.betAmount;
           bet_data.color = action.color;

           axios.get('http://localhost/createbet', {
               params: {
                   bet_data
               }
           }).then(function (response) {
               // CHANGE STATE IN notificationsReducer
           });

           break;
   }

   return state;
}

---

要更新另一个reducer中的状态，我建议在调度

CREATE\u NEW\u BET

之后立即调度

SHOW\u NOTIFY

操作。这可以通过使用

另请阅读关于更新由另一个reducer管理的状态的建议的堆栈溢出回答：

使用redux thunk设置，thunk的外观如下：

const createBetAndNotify = () => (dispatch) => {
  return dispatch({ type: "CREATE_NEW_BET" }).then(() => {
    dispatch({ type: "SHOW_NOTIFY" })
  })
}

然后在React组件中，您将发送上述thunk：

dispatch(createBetAndNotify());