Material-ui V3未加载获取数据(或页面加载)后的第一个选项卡

import React, { useState } from 'react';

function MyComponent() {
  const [selectedTabIndex, setSelectedTabIndex] = useState(0);

  // 其他代码...

  return (
    <div>
      {/* 选项卡组件 */}
    </div>
  );
}

import { Tabs, Tab } from '@material-ui/core';

function MyComponent() {
  const [selectedTabIndex, setSelectedTabIndex] = useState(0);

  const handleTabChange = (event, newIndex) => {
    setSelectedTabIndex(newIndex);
  };

  return (
    <div>
      <Tabs value={selectedTabIndex} onChange={handleTabChange}>
        <Tab label="选项卡1" />
        <Tab label="选项卡2" />
        <Tab label="选项卡3" />
      </Tabs>
      {/* 其他选项卡内容 */}
    </div>
  );
}