103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
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package timeUtil
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import (
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"fmt"
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"strconv"
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"strings"
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"time"
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)
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// 将字符串转换为标准的时间格式
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// str：输入，格式为：2015-10-25T17:07:30
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// 返回值：
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// 标准时间格式对象
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// 错误对象
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func ConverToStandardFormat(str string) (result time.Time, err error) {
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newStr := strings.Replace(str, "T", ":", -1)
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newStr = strings.Replace(newStr, "-", ":", -1)
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newStr = strings.Replace(newStr, ".", ":", -1)
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slice := strings.Split(newStr, ":")
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slice = slice[:6] // 只取前6位（表示年-月-日 时:分:秒）
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intSlice := make([]int, len(slice))
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for index, item := range slice {
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if intItem, err1 := strconv.Atoi(item); err1 != nil {
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err = fmt.Errorf("输入字符串的格式错误:%s,转换后的格式为:%s", str, newStr)
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return
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} else {
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intSlice[index] = intItem
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}
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}
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result = time.Date(intSlice[0], time.Month(intSlice[1]), intSlice[2], intSlice[3], intSlice[4], intSlice[5], 0, time.Local)
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return
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}
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// 将时间转换为int类型（20160120，共8位）
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// t：时间
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// 返回值：
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// int类型的数字
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func ConvertToInt(t time.Time) int {
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year := int(t.Year())
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month := int(t.Month())
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day := int(t.Day())
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return year*10e3 + month*10e1 + day
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}
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// 计算两个时间的日期差值
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func SubDay(time1, time2 time.Time) int {
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// 当前时间距离00:00:00的秒数
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awayFromZero := func(val time.Time) int64 {
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hour := val.Hour()
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minute := val.Minute()
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second := val.Second()
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return int64(hour*3600 + minute*60 + second)
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}
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// 每天对应的秒数
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var eachDaySecond int64 = 24 * 3600
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// 计算出两个时间对应的00:00:00时的时间戳
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unix1 := time1.Unix() - awayFromZero(time1)
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unix2 := time2.Unix() - awayFromZero(time2)
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if unix1 < unix2 {
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return int((unix2 - unix1) / eachDaySecond)
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} else {
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return int((unix1 - unix2) / eachDaySecond)
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}
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}
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// 解析时间字符串，要求时间格式形式为：12:59:59 这种形式
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// timeStr:时间字符串
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// 返回值:
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// err:错误信息
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// hour:小时值
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// minute:分钟值
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// second:秒数
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func ParseTimeString(timeStr string) (err error, hour int, minute int, second int) {
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timeSlice := strings.Split(timeStr, ":")
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if len(timeSlice) != 3 {
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err = fmt.Errorf("时间字符串格式不正确：%v", timeStr)
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return
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}
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hour, _ = strconv.Atoi(timeSlice[0])
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minute, _ = strconv.Atoi(timeSlice[1])
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second, _ = strconv.Atoi(timeSlice[2])
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return
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}
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// 获取时间的日期值
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// timeVal:时间值
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// 返回值:
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// time.Time:日期值
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func GetDate(timeVal time.Time) time.Time {
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year, month, day := timeVal.Date()
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return time.Date(year, month, day, 0, 0, 0, 0, timeVal.Location())
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}
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