源文件

jeepay-ui-uapp-agent/util/timeInterval.js

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+export function getDay(num, str) {
+  //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。
+  const today = new Date()
+  const nowTime = today.getTime()
+  const ms = 24 * 3600 * 1000 * num
+  today.setTime(nowTime + ms)
+  const oYear = today.getFullYear()
+  let oMoth = (today.getMonth() + 1).toString()
+  if (oMoth.length <= 1) oMoth = "0" + oMoth
+  let oDay = today.getDate().toString()
+  if (oDay.length <= 1) oDay = "0" + oDay
+  return oYear + str + oMoth + str + oDay
+}