import { Component, ErrorInfo, ReactNode } from 'react'; interface Props { children: ReactNode; } interface State { hasError: boolean; error: Error | null; } export class ErrorBoundary extends Component { public state: State = { hasError: false, error: null, }; public static getDerivedStateFromError(error: Error): State { return { hasError: true, error }; } public componentDidCatch(error: Error, errorInfo: ErrorInfo) { console.error('Uncaught error:', error, errorInfo); } public render() { if (this.state.hasError) { return (

出现错误

{this.state.error?.message || '未知错误'}

); } return this.props.children; } }