js获取本周日期

function getThisWeekDates() {
    const today = new Date();
    const dayOfWeek = today.getDay(); // 0 (星期日) 到 6 (星期六)
    const diffToMonday = dayOfWeek === 0 ? -6 : 1 - dayOfWeek; // 如果今天是星期日，则本周第一天为上周一；否则为本周一

    const startOfWeek = new Date(today);
    startOfWeek.setDate(today.getDate() + diffToMonday);
    startOfWeek.setHours(0, 0, 0, 0); // 设置时间为当天的00:00:00.000

    const endOfWeek = new Date(startOfWeek);
    endOfWeek.setDate(startOfWeek.getDate() + 6); // 加6天得到本周日
    endOfWeek.setHours(23, 59, 59, 999); // 设置时间为当天的23:59:59.999

    return {
        startOfWeek: startOfWeek.toISOString().split('T')[0], // 格式化为 YYYY-MM-DD
        endOfWeek: endOfWeek.toISOString().split('T')[0]
    };
}

const weekDates = getThisWeekDates();
console.log("本周开始日期:", weekDates.startOfWeek);
console.log("本周结束日期:", weekDates.endOfWeek);