使用combineReducers合并多个reducer（基础文章）

import {INCREMENT,DECREMENT} from './action-types'
import {combineReducers} from 'redux'
// 管理count状态的reducer
function count(state=1,action) {
    console.log('count',state,action);
    switch (action.type) {
        case INCREMENT:
            return state + action.data
        case DECREMENT:
            return state - action.data
        default:
            return state;
    }
}
// 管理user状态的reducer
const initUser = {};
function user(state = initUser,action) {
    switch (action.type) {
        default:
            return state;
    }
}
export default combineReducers({
    count,
    user
})
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