
useReducer-基礎概念篇 useReducer-使用篇 useReducer-配合useContext使用 歡迎回到我們的useReducer系列第三篇,如果這是你第...
useReducer-基礎概念篇 useReducer-使用篇 useReducer-配合useContext使用 useReducer是React提供的一個高級Hook,它...
傳的5M以內的圖,有時候彈窗里裁剪的圖片顯示不出來是怎么回事
React使用react-cropper實現圖片裁剪上傳由于實在太多人遇到了問題, 特意提供了一個小demo供大家參考, demo中分別用React的class component形式和Hooks形式實現了兩個同樣功能的圖片裁剪彈...
參考鏈接:https://jack-cool.github.io/2019/08/05/tsconfig-json-%E9%85%8D%E7%BD%AE%E8%AF%A6%E...
1. styled-components是什么 隨著React等前端技術的不斷流行,組件化的思想開始受到越來越多的人重視。以組件為中心的開發思路使得各種 css-in-js ...
這個版本太高了,在哪下載低版本的啊10.12.6
Sourcetree在mac平臺下的安裝與使用超詳盡教程前言 Sourcetree 是 Windows 和Mac OS X 下免費的 Git 和 Hg 客戶端,主要依賴可視化界面操作,省去繁瑣復雜不容易理解的終端命令,Source...
import React from 'react'
import Head from 'next/head'
import styled from 'styled-components'
const Title = styled.h1`
font-size: 1.5em;
text-align: center;
color: palevioletred;
`;
const Wrapper = styled.section`
padding: 4em;
background: papayawhip;
`;
export default class extends React.Component {
// static async getInitialProps({ req }) {
// const userAgent = req ? req.headers['user-agent'] : navigator.userAgent
// return { userAgent }
// }
render() {
return (
<Wrapper>
<Title>Hello World, this is my first styled component!</Title>
</Wrapper>
)
}
}
報錯:
Warning: Prop `className` did not match. Server: "sc-gipzik glolgk" Client: "sc-bdVaJa bzmvhR"
index.js:2178
請問是怎么回事
騷里騷氣的styled-components快速入門styled-components 是什么? styled-components 是一個常用的 css in js 類庫。和所有同類型的類庫一樣,通過 js 賦能解決了原生 ...
> webpack-dev-server --open
/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/bin/webpack-dev-server.js:363
throw err;
^
TypeError: Cannot destructure property `compile` of 'undefined' or 'null'.
at addHooks (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/lib/Server.js:103:49)
at new Server (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/lib/Server.js:116:5)
at startDevServer (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/bin/webpack-dev-server.js:355:14)
at portfinder.getPort (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/bin/webpack-dev-server.js:323:5)
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/lib/portfinder.js:190:16
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/node_modules/async/lib/async.js:52:16
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/node_modules/async/lib/async.js:269:32
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/node_modules/async/lib/async.js:44:16
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/lib/portfinder.js:151:16
at Server.onListen (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/lib/portfinder.js:43:7)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! zcool-hellorf-navigator@1.0.0 server: `webpack-dev-server --open`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the zcool-hellorf-navigator@1.0.0 server script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
請問報這個錯怎么解決
7.使用webpack構建本地服務器瀏覽器監聽代碼的修改,并自動刷新顯示修改后的結果,在webpack中進行配置之前需要單獨安裝它作為項目依賴: 添加配置命令加到webpack的配置文件中,現在的配置文件web...
> webpack-dev-server --open
/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/bin/webpack-dev-server.js:363
throw err;
^
TypeError: Cannot destructure property `compile` of 'undefined' or 'null'.
at addHooks (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/lib/Server.js:103:49)
at new Server (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/lib/Server.js:116:5)
at startDevServer (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/bin/webpack-dev-server.js:355:14)
at portfinder.getPort (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/webpack-dev-server/bin/webpack-dev-server.js:323:5)
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/lib/portfinder.js:190:16
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/node_modules/async/lib/async.js:52:16
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/node_modules/async/lib/async.js:269:32
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/node_modules/async/lib/async.js:44:16
at /Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/lib/portfinder.js:151:16
at Server.onListen (/Users/zcool/Documents/G-Zcool/zcool-hellorf-nav-component/node_modules/portfinder/lib/portfinder.js:43:7)
7.使用webpack構建本地服務器瀏覽器監聽代碼的修改,并自動刷新顯示修改后的結果,在webpack中進行配置之前需要單獨安裝它作為項目依賴: 添加配置命令加到webpack的配置文件中,現在的配置文件web...
請問ssr ios url 是進入網站的第一個頁面的地址
怎么解決
在 react 項目中使用微信 JS-SDK 填坑筆記UPDATE 現在 android 的微信(6.3.31)已經修好了,需要按照文檔說的傳入當前頁面的url,也就是沒吃豆重新 config 一次,但是蘋果的微信只要在進入頁面...
本文章實現的通用分享組件包括以下社交平臺: 微信 新浪微博 QQ空間 QQ好友 豆瓣分享 易信分享 人人分享 以上的分享功能按照實現方式可以分為兩類,一類是是微信分享,一類是...