text: /*
  	该文件专门用于暴露一个store对象，整个应用只有一个store对象
  */
  
  // 引入createStore，专门用于创建redux中最为核心的store对象
  import { applyMiddleware, createStore } from "redux";
  // 引入汇总之后的reducer
  import reducer from "./reducers";
  // 引入redux-thunk，用于支持异步action
  import thunk from "redux-thunk";
  // 引入redux-devtools-extension
  import { composeWithDevTools } from "redux-devtools-extension";
  
  // 暴露store
  export default createStore(
    reducer,
    composeWithDevTools(applyMiddleware(thunk))
  );
  