redux 分析错误:缺少分号”

pkmbmrz7  于 2022-11-12  发布在  其他
关注(0)|答案(1)|浏览(124)

“解析错误:缺少分号”

语法错误:客户端\src\应用程序.js:缺少分号(15:21)
此错误显示在componentDidMount()行上。
下面给出了完整的代码。

import React, { Component } from "react";
import AppNavBar from "./components/AppNavbar";
import ShoppingList from "./components/ShoppingList";
import ItemModal from "./components/ItemModal";
import { Container } from "reactstrap";

import { Provider } from "react-redux";
import store from "./store";
import { loadUser } from "./actions/authActions";

import "bootstrap/dist/css/bootstrap.min.css";
import "./App.css";

function App() {
  componentDidMount() {
    store.dispatch(loadUser());
  }
  return (
    <Provider store={store}>
      <div className="App">
        <AppNavBar />
        <Container>
          <ItemModal />
          <ShoppingList />
        </Container>
      </div>
    </Provider>
  );
}

export default App;

vsikbqxv

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导入使用效果:

import { useEffect } from "react";

...并替换:

componentDidMount() {
  store.dispatch(loadUser());
}

与:

useEffect(() => {
  store.dispatch(loadUser());
}, []);

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