首页 > 其他分享 >React报错之Rendered more hooks than during the previous render

React报错之Rendered more hooks than during the previous render

时间:2022-08-31 21:33:58浏览次数:71  
标签:Rendered return render 钩子 counter React useState 报错 useEffect

正文从这开始~

总览

当我们有条件地调用一个钩子或在所有钩子运行之前提前返回时,会产生"Rendered more hooks than during the previous render"错误。为了解决该错误,将所有的钩子移到函数组件的顶层,以及不要在条件中使用钩子。

rendered-more-hooks-than-during-previous-render.png

这里有个示例用来展示错误是如何发生的。

// App.js

import {useEffect, useState} from 'react';

export default function App() {
  const [counter, setCounter] = useState(0);

  // ⛔️ Error: Rendered more hooks than during the previous render.
  if (counter > 0) {
    // 

标签:Rendered,return,render,钩子,counter,React,useState,报错,useEffect
From: https://www.cnblogs.com/chuckQu/p/16644590.html

相关文章