这是我的代码:
import React, { useState, useEffect } from 'react';
import { Fade } from "@material-ui/core";
import MaterialTable from 'material-table';
import { makeStyles } from '@material-ui/core/styles';
import './styles.css';
const useStyles = makeStyles(theme => ({
root: {
flexGrow: 1,
width: '70%',
margin: 'auto',
marginTop: 20,
boxShadow: '0px 0px 8px 0px rgba(0,0,0,0.4)'
}
}));
function User(props) {
const classes = useStyles();
const [checked, setChecked] = React.useState(false);
useEffect(() => {
setChecked(prev => !prev);
}, [])
const [state, setState] = React.useState({
columns: [
{ title: …Run Code Online (Sandbox Code Playgroud)