import "./index.css" import {useEffect} from 'react'; import {useLocation,useNavigate} from "react-router-dom"; function LDPage() { const navigate = useNavigate(); const {state} = useLocation(); console.log("LDPage被加载了") useEffect(() => { const handleKeyDown = (event:any) => { if (event.key === 'ArrowUp') { console.log('LDPage向上键被按下'); navigate(`/TP/${state.LineID}`); // 执行向上键的逻辑 } else if (event.key === 'ArrowDown') { console.log('LDPage向下键被按下'); // 执行向下键的逻辑 } }; window.addEventListener('keydown', handleKeyDown); return () => { window.removeEventListener('keydown', handleKeyDown); }; }, []); return ( <>