使用useEffect()钩子在客户端渲染页面,如下所示: 复制 import{useState,useEffect}from'react'functionHome() {const[data,setData]=useState(null)const[isLoading,setLoading]=useState(false)useEffect(()=>{setLoading(true)fetch('/api/get-data') .then((res)=>res.json()) .then((data)=>{setData(data...
useEffect(()=>{constfetchData =async() =>{try{constresponse =awaitfetch('/api/user');if(response.ok) {constdata =awaitresponse.json(); setUserData(data); }else{thrownewError('Failed to fetch data'); } }catch(error) { console.error('Error fetching data:', error); } }; fetchData(...
function Page () { const [user, setUser] = useState(null) // fetch data useEffect(() => { const value = localStorage.getItem(key); const user = !!value ? JSON.parse(value) : undefined; setUser(user) }, []) // global loading state if (!user) return <Spinner/> return <Navba...
}//This gets called on every requestexport const getServerSideProps = async () =>{//Fetch data from external API//const res = await fetch(`https://.../data`)//const data = await res.json()//这里不测试外部数据接口,直接使用测试数据const data = { message: 'Test message'}//显示在服...
也就是说你要用use hooks,比如useEffect,useCallback等第三方库的时候强制定义use client进行渲染. "use client" import React, { useEffect } from 'react' function RenderBaidu() { const data = React.use( fetch("https://api.vvhan.com/api/sao", { cache: 'no-cache' }).then(res => res....
<Suspense>works by wrapping a component that performs an asynchronous action (e.g. fetch data), showing fallback UI (e.g. skeleton, spinner) while it's happening, and then swapping in your component once the action completes. <Suspense>的工作原理是包装一个执行异步操作(例如获取数据)的组件,...
const [data, setData] = useState(null) useEffect(() => { const fetchData = async () => { const response = await fetch('https://jsonplaceholder.typicode.com/todos/1') if (!response.ok) { throw new Error(`HTTP error! status: ${response.status}`) ...
useEffect(() => { if (repo) { fetch(`/api/prcounts?repo=${repo}`).then((res) => res.json()).then(res => { const prcount = res.data;setCount(prcount);});} else { setCount(0);} }, [repo])return ( Pull Request : {count} )} export default PR 在 pages/api/pr.ts...
您可以使用fetch/axios从您发送的实际Home组件中提取数据。当然,一定要把它放在server-side上,例如一些提供您请求响应的服务器上。 import { useEffect } from 'react'; import axios from 'axios'; const Home: React.FC = () => { useEffect(() => { const fetchData = async () => { try { const...
肮脏且快速的解决方案,如果定义了pid,只需控制即可 const router = useRouter(); const { pid } = router.query; useEffect(() => { if(pid) { setLoading(true) fetch('...