package utils
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import (
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"slices"
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"time"
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)
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// IsOverlap 判断两个时间段是否有重叠
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func IsOverlap(start1, end1, start2, end2 string) bool {
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layout := "2006-01-02"
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startTime1, _ := time.Parse(layout, start1)
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endTime1, _ := time.Parse(layout, end1)
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startTime2, _ := time.Parse(layout, start2)
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endTime2, _ := time.Parse(layout, end2)
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// 如果一个时间段的开始时间在另一个时间段之后，或结束时间在另一个时间段之前，则无重叠
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if startTime1.After(endTime2) || endTime1.Before(startTime2) {
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return false
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}
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return true
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}
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func GetMonthByOffset(offset int) time.Time {
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return time.Now().AddDate(0, offset, 0)
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}
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func GetDayByOffset(offset int) time.Time {
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return time.Now().AddDate(0, 0, offset)
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}
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// GetLastMonthPeriod 返回上个月的月初时间和月末时间
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func GetLastMonthPeriod(now time.Time) (firstDay time.Time, lastDay time.Time) {
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// 获取本个月的第一天的日期（即本月月初）
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firstDayOfThisMonth := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
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nextMonth := now.AddDate(0, 1, 0)
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// 获取下月第一天的日期（即下个月月初）
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firstDayOfNextMonth := time.Date(nextMonth.Year(), nextMonth.Month(), 1, 0, 0, 0, 0, now.Location())
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// 下个月月末时间即为本月月初减去一秒
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lastDayOfThisMonth := firstDayOfNextMonth.Add(-time.Second)
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return firstDayOfThisMonth, lastDayOfThisMonth
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}
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func GetMonthDuration(d time.Time) (duration int) {
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return d.AddDate(0, 1, -1).Day()
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}
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func CalcWorkHour(begin, end time.Time, dayOff []time.Weekday, cellHour float32) (workHour float32, workingCount int) {
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var currentTime = begin
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for {
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if currentTime.After(end) {
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break
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}
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if slices.Contains(dayOff, currentTime.Weekday()) {
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// nothing
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} else {
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workHour += cellHour
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workingCount++
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}
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currentTime = currentTime.AddDate(0, 0, 1) // .Add(24 * time.Hour)
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}
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return float32(workHour), workingCount
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}
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