14 lines
544 B
JavaScript
14 lines
544 B
JavaScript
export function getDay(num, str) {
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//如果要获取昨天的日期，num就是-1， 前天的就是-2，依次类推。str表示年月日间的分割方式。
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const today = new Date()
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const nowTime = today.getTime()
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const ms = 24 * 3600 * 1000 * num
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today.setTime(nowTime + ms)
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const oYear = today.getFullYear()
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let oMoth = (today.getMonth() + 1).toString()
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if (oMoth.length <= 1) oMoth = "0" + oMoth
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let oDay = today.getDate().toString()
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if (oDay.length <= 1) oDay = "0" + oDay
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return oYear + str + oMoth + str + oDay
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}
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