Created
August 15, 2017 08:06
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时间计算
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getTimeByYearAndMonth = () => { | |
// month start with 0 | |
// 获取某日开始时间、结束时间 | |
const firstTimeOfDay = new Date(year, month, date); | |
const lastTimeOfDay = new Date(new Date(year, month, date + 1) - 1); | |
// 获取某月开始第一天时间、月最后一天时间 | |
const firstDayOfMonth = new Date(year, month, 1); | |
const lastDayOfMonth = new Date(new Date(year, month + 1, 1) - 1); | |
// 获取某年开始第一天时间、最后一天时间 [即1月开始的一天00:00:00、12月最后一天23:59:59] | |
const firstDayOfYear = new Date(year, month, 1); | |
const lastDayOfYear = new Date(new Date(year, month) - 1); | |
return { firstDayOfMonth, lastDayOfMonth, firstDayOfYear, lastDayOfYear } | |
} |
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