js获取一周从开始到结束日期范围

最新推荐文章于 2024-04-08 20:39:07 发布

chengliang666

最新推荐文章于 2024-04-08 20:39:07 发布

阅读量1.4k

点赞数 1

CC 4.0 BY-SA版权

分类专栏： JavaScript 文章标签：获取某周开始结束日期 JavaScript JavaScript

本文为博主原创文章，转载请声明出处，谢谢！

本文链接：https://blog.youkuaiyun.com/chengliang666/article/details/88172050

JavaScript 专栏收录该内容

28 篇文章

订阅专栏

本文提供了两种计算周起始和结束日期的方法，一种是以周一为周的开始，另一种是以周日为周的开始。通过JavaScript代码实现了根据指定年份和周数获取具体日期的功能。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

1. 以周一作为周开始版本

const getWeekDate = (year, week) => {
    //获取周开始日期
    const getWeekStartDate = (year, week) => {
        // Thursday in current week decides the year.
        const date = new Date(year, 0, 4);
        date.setDate(date.getDate() - (date.getDay() + 6) % 7);
        date.setTime(date.getTime() + 7 * 86400000 * (week - 1));
        const y = date.getFullYear();
        const m = date.getMonth() + 1;
        const d = date.getDate();
        return y + '/' + m + '/' + d;
    }

    //获取周结束日期
    const getWeekEndDate = (year, week) => {
        // Thursday in current week decides the year.
        const date = new Date(year, 0, 4);
        date.setDate(date.getDate() - (date.getDay() + 6) % 7);
        date.setTime(date.getTime() + (7 * 86400000 * week) - 1);
        const y = date.getFullYear();
        const m = date.getMonth() + 1;
        const d = date.getDate();
        return y + '/' + m + '/' + d ;
    }

    return getWeekStartDate(year, week) + '-' + getWeekEndDate(year, week);
}

2. 以周日作为周开始版本

function getWeekDate(year, week) {
    //获取周开始日期
    const getWeekStartDate = (year, week) => {
        // Thursday in current week decides the year.
        const date = new Date(year, 0, 4);
        date.setDate(date.getDate() - date.getDay());
        date.setTime(date.getTime() + 7 * 86400000 * (week - 1));
        const y = date.getFullYear();
        const m = date.getMonth() + 1;
        const d = date.getDate();
        return y + '/' + m + '/' + d;
    }

    //获取周结束日期
    const getWeekEndDate = (year, week) => {
        // Thursday in current week decides the year.
        const date = new Date(year, 0, 4);
        date.setDate(date.getDate() - date.getDay());
        date.setTime(date.getTime() + (7 * 86400000 * week) - 1);
        const y = date.getFullYear();
        const m = date.getMonth() + 1;
        const d = date.getDate();
        return y + '/' + m + '/' + d;
    }

    return getWeekStartDate(year, week) + '-' + getWeekEndDate(year, week);
}