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MaterialUI makeStyles 在 NextJS 中刷新時撤消自定義 css

[英]MaterialUI makeStyles undoes custom css upon refresh in NextJS

我正在開發一個 NextJS 站點,該站點具有一些通過 MaterialUI 的 makeStyles 應用的自定義樣式。 它在第一次加載時工作正常,然后在第二次撤消所有自定義工作。 似乎它與路由有關,因為它唯一起作用的時間是當我第一次被定向到頁面本身時。 它發生在 2 個不同的頁面上,一個是通過href='/login'引導的,另一個是通過 next/router router.push('/register')引導的

我假設這與 Next 加載頁面的方式有關? 但是我會說這兩個都是根據右下角的圖標prerendered pages

import React, {useState} from 'react';
import { connect } from 'react-redux'
import { bindActionCreators } from 'redux'
import { login } from '../store/user/action'
import { useRouter } from 'next/router'

import TextField from '@material-ui/core/TextField';
import { makeStyles } from '@material-ui/core/styles';

const style = makeStyles({
    root: {
        marginBottom: '20px',
        textAlign: 'center'
    },
  });


function Signin({login}) {
    const [email, setEmail] = useState('');
    const [password, setPassword] = useState('');
    
    const router = useRouter();

    const clickRegister = (e) => {
        e.preventDefault();
        router.push('/register')
    }

    const classStyle = style();

    return (
        <div className='flex flex-column center m-20 w-750'>
            <h3 className='m-20'>Login</h3>
            <form className='flex flex-column w-750 center' onSubmit={e=>login(e, {email, password})} >
                <TextField
                    className={classStyle.root}
                    required
                    type='email'
                    id="email"
                    label="Email"
                    variant="outlined"
                    onChange={e=>setEmail(e.target.value)}
                />
                <TextField
                    className={classStyle.root}
                    required
                    type='password'
                    id="password"
                    label="Password"
                    variant="outlined"
                    onChange={e=>setPassword(e.target.value)}
                />
                
                <input 
                    type='submit'
                    className='purple-button mt-20 h-3' 
                    onClick={e=>login(e)}
                    value='Login' />
            </form>
            <p>Don't Have an account?</p>
            <form onSubmit='/register'>
                <input value='Register' type='submit' className='flex flex-column w-750 center purple-button h-3' onClick={e=>clickRegister(e)} />
            </form>

        </div>
    )
}



const mapStateToProps = (state) => ({
    email: state.user.email,
    token: state.user.token,
    isLoggedIn: state.user.isLoggedIn,
  })
  
const mapDispatchToProps = (dispatch) => {
    return {
        login: bindActionCreators(login, dispatch),
    }
}
  
export default connect(mapStateToProps, mapDispatchToProps)(Signin)
"dependencies": {
    "@material-ui/core": "4.11.3",
    "axios": "0.21.1",
    "material-ui": "0.20.2",
    "next": "9.4.1",
    "next-redux-wrapper": "^6.0.1",
    "react": "^16.12.0",
    "react-dom": "^16.12.0",
    "react-redux": "7.1.3",
    "redux": "4.0.5",
    "redux-devtools-extension": "2.13.8",
    "redux-thunk": "2.3.0"
  },

您需要額外設置pages/_document.js中的 Material-UI 樣式表以支持 SSR 樣式。

如果您還沒有自定義_document.js ,請使用以下代碼創建一個:

import React from "react";
import Document, { Html, Head, Main, NextScript } from "next/document";
import { ServerStyleSheets } from "@material-ui/core/styles";

class MyDocument extends Document {
  static async getInitialProps(ctx) {
    const sheets = new ServerStyleSheets();
    const originalRenderPage = ctx.renderPage;

    ctx.renderPage = () =>
      originalRenderPage({
        enhanceApp: (App) => (props) => sheets.collect(<App {...props} />)
      });

    const initialProps = await Document.getInitialProps(ctx);

    return {
      ...initialProps,
      // Styles fragment is rendered after the app and page rendering finish.
      styles: [
        ...React.Children.toArray(initialProps.styles),
        sheets.getStyleElement()
      ]
    };
  }

  render() {
    return (
      <Html lang="en">
        <Head />
        <body>
          <Main />
          <NextScript />
        </body>
      </Html>
    );
  }
}

export default MyDocument;

有關詳細信息,請查看Material-UI 官方文檔

將這些屬性添加到next.config.js文件中:

const nextConfig = {
  reactStrictMode: true,
  lib: ['es6', 'dom'],
  noImplicitAny: true,
  noImplicitThis: true,
  strictNullChecks: true,
};

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