获取当前时间事本年的第几周

最新推荐文章于 2024-02-27 10:35:15 发布

summer_lllx

最新推荐文章于 2024-02-27 10:35:15 发布

阅读量362

点赞数

分类专栏： js 文章标签： javascript

本文链接：https://blog.youkuaiyun.com/weixin_44230807/article/details/110124510

版权

js 专栏收录该内容

16 篇文章

订阅专栏

获取当前时间事本年的第几周

//**
*  datatime   传入的时间
*

   computerweek(dateTime) {
                    let temptTime = new Date(dateTime)
                    //周几
                    let weekday = temptTime.getDay() || 7
                    //周1+5天=周六
                    temptTime.setDate(temptTime.getDate() - weekday + 1 + 5)
                    let firstDay = new Date(temptTime.getFullYear(), 0, 1)
                    let dayOfWeek = firstDay.getDay()
                    let spendDay = 1
                    if (dayOfWeek != 0) {
                        spendDay = 7 - dayOfWeek + 1
                    }
                    firstDay = new Date(temptTime.getFullYear(), 0, 1 + spendDay)
                    let d = Math.ceil((temptTime.valueOf() - firstDay.valueOf()) / 86400000)
                    let result = Math.ceil(d / 7)
                    return result + 1
                },