125 lines
3.4 KiB
Go
125 lines
3.4 KiB
Go
package time_parse
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import (
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"github.com/jinzhu/now"
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"math"
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"net/http"
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"time"
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)
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var (
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cst = time.Local
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)
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func SetPRCLocation() error {
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var err error
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if cst, err = time.LoadLocation("Asia/Shanghai"); err != nil {
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return err
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}
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return nil
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}
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func Now() *now.Now {
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timeFormats := append(append(now.TimeFormats, time.DateTime), time.DateOnly)
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c := &now.Config{
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WeekStartDay: time.Monday,
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TimeLocation: cst,
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TimeFormats: timeFormats,
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}
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return c.With(time.Now().In(cst))
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}
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// RFC3339ToCSTLayout convert rfc3339 value to China standard time layout
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// 2020-11-08T08:18:46+08:00 => 2020-11-08 08:18:46
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func RFC3339ToCSTLayout(value string) (string, error) {
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ts, err := time.Parse(time.RFC3339, value)
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if err != nil {
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return "", err
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}
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return ts.In(cst).Format(time.DateTime), nil
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}
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// GetMilliTimestamp 获取CST毫秒时间戳
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func GetMilliTimestamp() int64 {
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return time.Now().In(cst).UnixMilli()
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}
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// GetTimestamp 获取CST时间戳
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func GetTimestamp() int64 {
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return time.Now().In(cst).Unix()
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}
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// CSTLayoutString 格式化时间
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// 返回 "2006-01-02 15:04:05" 格式的时间
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func CSTLayoutString() string {
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return time.Now().In(cst).Format(time.DateTime)
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}
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// ParseCSTInLocation 格式化时间
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func ParseCSTInLocation(date string) (time.Time, error) {
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return time.ParseInLocation(time.DateTime, date, cst)
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}
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// CSTLayoutStringToUnix 返回 unix 时间戳
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// 2020-01-24 21:11:11 => 1579871471
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func CSTLayoutStringToUnix(cstLayoutString string) (int64, error) {
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stamp, err := time.ParseInLocation(time.DateTime, cstLayoutString, cst)
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if err != nil {
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return 0, err
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}
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return stamp.Unix(), nil
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}
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// GMTLayoutString 格式化时间
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// 返回 "Mon, 02 Jan 2006 15:04:05 GMT" 格式的时间
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func GMTLayoutString() string {
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return time.Now().In(cst).Format(http.TimeFormat)
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}
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// ParseGMTInLocation 格式化时间
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func ParseGMTInLocation(date string) (time.Time, error) {
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return time.ParseInLocation(http.TimeFormat, date, cst)
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}
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// SubInLocation 计算时间差
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func SubInLocation(ts time.Time) float64 {
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return math.Abs(time.Now().In(cst).Sub(ts).Seconds())
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}
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// GetFirstDateOfMonth 获取传入的时间所在月份的第一天，即某月第一天的0点。如传入time.Now(), 返回当前月份的第一天0点时间。
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func GetFirstDateOfMonth(d time.Time) time.Time {
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d = d.AddDate(0, 0, -d.Day()+1)
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return GetStartDayTime(d)
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}
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// GetLastDateOfMonth 获取传入的时间所在月份的最后一天，即某月最后一天的0点。如传入time.Now(), 返回当前月份的最后一天0点时间。
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func GetLastDateOfMonth(d time.Time) time.Time {
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return GetEndDayTime(GetFirstDateOfMonth(d).AddDate(0, 1, -1))
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}
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// GetStartDayTime 获取某一天的开始时间
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func GetStartDayTime(d time.Time) time.Time {
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return time.Date(d.Year(), d.Month(), d.Day(), 0, 0, 0, 0, cst)
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}
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// GetEndDayTime 获取某一天的结束时间
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func GetEndDayTime(d time.Time) time.Time {
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return GetStartDayTime(d).Add(24 * time.Hour).Add(-time.Second)
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}
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// GetStartYesterdayTime 获取昨天的起始时间
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func GetStartYesterdayTime() time.Time {
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d, _ := time.ParseDuration("-24h")
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return GetStartDayTime(time.Now().Add(d))
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}
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// SubInLocationDays 计算两个日期相差的天数
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func SubInLocationDays(t1, t2 time.Time) float64 {
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t1 = time.Date(t1.Year(), t1.Month(), t1.Day(), 0, 0, 0, 0, cst)
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t2 = time.Date(t2.Year(), t2.Month(), t2.Day(), 0, 0, 0, 0, cst)
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return math.Abs(t1.Sub(t2).Hours() / 24)
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}
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