import React from 'react'; interface DateDividerProps { timestamp: number; } export function DateDivider({ timestamp }: DateDividerProps) { const formatDate = (ts: number) => { const date = new Date(ts); const today = new Date(); const yesterday = new Date(today); yesterday.setDate(yesterday.getDate() - 1); // 判断是否是今天 if (date.toDateString() === today.toDateString()) { return 'Today'; } // 判断是否是昨天 if (date.toDateString() === yesterday.toDateString()) { return 'Yesterday'; } // 其他日期显示完整日期 return date.toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' }); }; return (