React/practise/33.Mobx/5.store/index.js

// 1.导入 countStore
import { counterStore } from './store/counter'
// 2.导入中间件，连接mobx、react，完成响应式变化
import { observer } from 'mobx-react-lite'

function App () {
    return (
        <div className="App">
            {/* 把 store 中的 count  */}
            {counterStore.count}
            <br />
            {/* 点击事件触发 action 函数修改 count 值 */}
            <button onClick={counterStore.addCount}>+</button>
        </div>
    )
}

export default observer(App)