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99 lines
3.3 KiB
99 lines
3.3 KiB
package carbon
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import (
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"strconv"
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"time"
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)
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// CreateFromTimestamp creates a Carbon instance from a given timestamp, second, millisecond, microsecond and nanosecond are supported.
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// 从给定的时间戳创建 Carbon 实例，支持秒、毫秒、微秒和纳秒
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func (c Carbon) CreateFromTimestamp(timestamp int64, timezone ...string) Carbon {
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if len(timezone) > 0 {
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c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
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}
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if c.Error != nil {
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return c
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}
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ts, count := timestamp, len(strconv.FormatInt(timestamp, 10))
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if timestamp < 0 {
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count -= 1
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}
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switch count {
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case 10:
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ts = timestamp
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case 13:
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ts = timestamp / 1e3
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case 16:
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ts = timestamp / 1e6
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case 19:
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ts = timestamp / 1e9
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}
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c.Time = time.Unix(ts, 0)
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return c
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}
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// CreateFromTimestamp creates a Carbon instance from a given timestamp.
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// 从给定的时间戳创建 Carbon 实例
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func CreateFromTimestamp(timestamp int64, timezone ...string) Carbon {
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return NewCarbon().CreateFromTimestamp(timestamp, timezone...)
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}
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// CreateFromDateTime creates a Carbon instance from a given date and time.
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// 从给定的年月日时分秒创建 Carbon 实例
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func (c Carbon) CreateFromDateTime(year int, month int, day int, hour int, minute int, second int, timezone ...string) Carbon {
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if len(timezone) > 0 {
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c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
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}
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if c.Error != nil {
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return c
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}
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c.Time = time.Date(year, time.Month(month), day, hour, minute, second, time.Now().Nanosecond(), c.loc)
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return c
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}
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// CreateFromDateTime creates a Carbon instance from a given date and time.
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// 从给定的年月日时分秒创建 Carbon 实例
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func CreateFromDateTime(year int, month int, day int, hour int, minute int, second int, timezone ...string) Carbon {
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return NewCarbon().CreateFromDateTime(year, month, day, hour, minute, second, timezone...)
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}
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// CreateFromDate creates a Carbon instance from a given date.
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// 从给定的年月日创建 Carbon 实例
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func (c Carbon) CreateFromDate(year int, month int, day int, timezone ...string) Carbon {
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if len(timezone) > 0 {
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c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
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}
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if c.Error != nil {
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return c
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}
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hour, minute, second := time.Now().In(c.loc).Clock()
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c.Time = time.Date(year, time.Month(month), day, hour, minute, second, time.Now().Nanosecond(), c.loc)
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return c
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}
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// CreateFromDate creates a Carbon instance from a given date.
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// 从给定的年月日创建 Carbon 实例
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func CreateFromDate(year int, month int, day int, timezone ...string) Carbon {
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return NewCarbon().CreateFromDate(year, month, day, timezone...)
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}
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// CreateFromTime creates a Carbon instance from a given time.
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// 从给定的时分秒创建 Carbon 实例
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func (c Carbon) CreateFromTime(hour int, minute int, second int, timezone ...string) Carbon {
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if len(timezone) > 0 {
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c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
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}
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if c.Error != nil {
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return c
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}
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year, month, day := time.Now().In(c.loc).Date()
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c.Time = time.Date(year, month, day, hour, minute, second, time.Now().Nanosecond(), c.loc)
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return c
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}
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// CreateFromTime creates a Carbon instance from a given time.
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// 从给定的时分秒创建 Carbon 实例
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func CreateFromTime(hour int, minute int, second int, timezone ...string) Carbon {
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return NewCarbon().CreateFromTime(hour, minute, second, timezone...)
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}
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