import React, { useState } from 'react'; function ThemeToggle() { // 用于保存主题状态,默认为“light”主题 const [isDarkTheme, setIsDarkTheme] = useState(false); // 切换主题时的处理函数 const handleThemeChange = () => { setIsDarkTheme(!isDarkTheme); }; return ( ); } export default ThemeToggle;