carbon/outputer.go
2023-09-06 14:34:51 +08:00

798 lines
24 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package carbon
import (
"bytes"
"fmt"
"strconv"
"strings"
"time"
)
// String implements the interface Stringer for Carbon struct.
// 实现 Stringer 接口
func (c Carbon) String() string {
return c.ToDateTimeString()
}
// ToString outputs a string in "2006-01-02 15:04:05.999999999 -0700 MST" layout.
// 输出 "2006-01-02 15:04:05.999999999 -0700 MST" 格式字符串
func (c Carbon) ToString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().String()
}
// ToMonthString outputs a string in month layout like "January", i18n is supported.
// 输出完整月份字符串支持i18n
func (c Carbon) ToMonthString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
if len(c.lang.resources) == 0 {
c.lang.SetLocale(defaultLocale)
}
if months, ok := c.lang.resources["months"]; ok {
slice := strings.Split(months, "|")
if len(slice) == 12 {
return slice[c.Month()-1]
}
}
return ""
}
// ToShortMonthString outputs a string in short month layout like "Jan", i18n is supported.
// 输出缩写月份字符串支持i18n
func (c Carbon) ToShortMonthString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
if len(c.lang.resources) == 0 {
c.lang.SetLocale(defaultLocale)
}
if months, ok := c.lang.resources["short_months"]; ok {
slice := strings.Split(months, "|")
if len(slice) == 12 {
return slice[c.Month()-1]
}
}
return ""
}
// ToWeekString outputs a string in week layout like "Sunday", i18n is supported.
// 输出完整星期字符串支持i18n
func (c Carbon) ToWeekString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
if len(c.lang.resources) == 0 {
c.lang.SetLocale(defaultLocale)
}
if months, ok := c.lang.resources["weeks"]; ok {
slice := strings.Split(months, "|")
if len(slice) == 7 {
return slice[c.Week()]
}
}
return ""
}
// ToShortWeekString outputs a string in short week layout like "Sun", i18n is supported.
// 输出缩写星期字符串支持i18n
func (c Carbon) ToShortWeekString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
if len(c.lang.resources) == 0 {
c.lang.SetLocale(defaultLocale)
}
if months, ok := c.lang.resources["short_weeks"]; ok {
slice := strings.Split(months, "|")
if len(slice) == 7 {
return slice[c.Week()]
}
}
return ""
}
// ToDayDateTimeString outputs a string in "Mon, Jan 2, 2006 3:04 PM" layout.
// 输出 "Mon, Jan 2, 2006 3:04 PM" 格式字符串
func (c Carbon) ToDayDateTimeString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DayDateTimeLayout)
}
// ToDateTimeString outputs a string in "2006-01-02 15:04:05" layout.
// 输出 "2006-01-02 15:04:05" 格式字符串
func (c Carbon) ToDateTimeString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateTimeLayout)
}
// ToDateTimeMilliString outputs a string in "2006-01-02 15:04:05.999" layout.
// 输出 "2006-01-02 15:04:05.999" 格式字符串
func (c Carbon) ToDateTimeMilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateTimeMilliLayout)
}
// ToDateTimeMicroString outputs a string in "2006-01-02 15:04:05.999999" layout.
// 输出 "2006-01-02 15:04:05.999999" 格式字符串
func (c Carbon) ToDateTimeMicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateTimeMicroLayout)
}
// ToDateTimeNanoString outputs a string in "2006-01-02 15:04:05.999999999" layout.
// 输出 "2006-01-02 15:04:05.999999999" 格式字符串
func (c Carbon) ToDateTimeNanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateTimeNanoLayout)
}
// ToShortDateTimeString outputs a string in "20060102150405" layout.
// 输出 "20060102150405" 格式字符串
func (c Carbon) ToShortDateTimeString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateTimeLayout)
}
// ToShortDateTimeMilliString outputs a string in "20060102150405.999" layout.
// 输出 "20060102150405.999" 格式字符串
func (c Carbon) ToShortDateTimeMilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateTimeMilliLayout)
}
// ToShortDateTimeMicroString outputs a string in "20060102150405.999999" layout.
// 输出 "20060102150405.999999" 格式字符串
func (c Carbon) ToShortDateTimeMicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateTimeMicroLayout)
}
// ToShortDateTimeNanoString outputs a string in "20060102150405.999999999" layout.
// 输出 "20060102150405.999999999" 格式字符串
func (c Carbon) ToShortDateTimeNanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateTimeNanoLayout)
}
// ToDateString outputs a string in "2006-01-02" layout.
// 输出 "2006-01-02" 格式字符串
func (c Carbon) ToDateString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateLayout)
}
// ToDateMilliString outputs a string in "2006-01-02.999" layout.
// 输出 "2006-01-02.999" 格式字符串
func (c Carbon) ToDateMilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateMilliLayout)
}
// ToDateMicroString outputs a string in "2006-01-02.999999" layout.
// 输出 "2006-01-02.999999" 格式字符串
func (c Carbon) ToDateMicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateMicroLayout)
}
// ToDateNanoString outputs a string in "2006-01-02.999999999" layout.
// 输出 "2006-01-02.999999999" 格式字符串
func (c Carbon) ToDateNanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(DateNanoLayout)
}
// ToShortDateString outputs a string in "20060102" layout.
// 输出 "20060102" 格式字符串
func (c Carbon) ToShortDateString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateLayout)
}
// ToShortDateMilliString outputs a string in "20060102.999" layout.
// 输出 "20060102.999" 格式字符串
func (c Carbon) ToShortDateMilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateMilliLayout)
}
// ToShortDateMicroString outputs a string in "20060102.999999" layout.
// 输出 "20060102.999999" 格式字符串
func (c Carbon) ToShortDateMicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateMicroLayout)
}
// ToShortDateNanoString outputs a string in "20060102.999999999" layout.
// 输出 "20060102.999999999" 格式字符串
func (c Carbon) ToShortDateNanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortDateNanoLayout)
}
// ToTimeString outputs a string in "15:04:05" layout.
// 输出 "15:04:05" 格式字符串
func (c Carbon) ToTimeString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(TimeLayout)
}
// ToTimeMilliString outputs a string in "15:04:05.999" layout.
// 输出 "15:04:05.999" 格式字符串
func (c Carbon) ToTimeMilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(TimeMilliLayout)
}
// ToTimeMicroString outputs a string in "15:04:05.999999" layout.
// 输出 "15:04:05.999999" 格式字符串
func (c Carbon) ToTimeMicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(TimeMicroLayout)
}
// ToTimeNanoString outputs a string in "15:04:05.999999999" layout.
// 输出 "15:04:05.999999999" 格式字符串
func (c Carbon) ToTimeNanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(TimeNanoLayout)
}
// ToShortTimeString outputs a string in "150405" layout.
// 输出 "150405" 格式字符串
func (c Carbon) ToShortTimeString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortTimeLayout)
}
// ToShortTimeMilliString outputs a string in "150405.999" layout.
// 输出 "150405.999" 格式字符串
func (c Carbon) ToShortTimeMilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortTimeMilliLayout)
}
// ToShortTimeMicroString outputs a string in "150405.999999" layout.
// 输出 "150405.999999" 格式字符串
func (c Carbon) ToShortTimeMicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortTimeMicroLayout)
}
// ToShortTimeNanoString outputs a string in "150405.999999999" layout.
// 输出 "150405.999999999" 格式字符串
func (c Carbon) ToShortTimeNanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ShortTimeNanoLayout)
}
// ToAtomString outputs a string in "2006-01-02T15:04:05Z07:00" layout.
// 输出 "2006-01-02T15:04:05Z07:00" 格式字符串
func (c Carbon) ToAtomString(timezone ...string) string {
return c.ToRfc3339String(timezone...)
}
// ToANSICString outputs a string in "Mon Jan _2 15:04:05 2006" layout.
// 输出 "Mon Jan _2 15:04:05 2006" 格式字符串
func (c Carbon) ToANSICString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ANSICLayout)
}
// ToCookieString outputs a string in "Monday, 02-Jan-2006 15:04:05 MST" layout.
// 输出 "Monday, 02-Jan-2006 15:04:05 MST" 格式字符串
func (c Carbon) ToCookieString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(CookieLayout)
}
// ToRssString outputs a string in "Mon, 02 Jan 2006 15:04:05 -0700" format.
// 输出 "Mon, 02 Jan 2006 15:04:05 -0700" 格式字符串
func (c Carbon) ToRssString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RssLayout)
}
// ToW3cString outputs a string in "2006-01-02T15:04:05Z07:00" layout.
// 输出 "2006-01-02T15:04:05Z07:00" 格式字符串
func (c Carbon) ToW3cString(timezone ...string) string {
return c.ToRfc3339String(timezone...)
}
// ToUnixDateString outputs a string in "Mon Jan _2 15:04:05 MST 2006" layout.
// 输出 "Mon Jan _2 15:04:05 MST 2006" 格式字符串
func (c Carbon) ToUnixDateString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(UnixDateLayout)
}
// ToRubyDateString outputs a string in "Mon Jan 02 15:04:05 -0700 2006" layout.
// 输出 "Mon Jan 02 15:04:05 -0700 2006" 格式字符串
func (c Carbon) ToRubyDateString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RubyDateLayout)
}
// ToKitchenString outputs a string in "3:04PM" layout.
// 输出 "3:04PM" 格式字符串
func (c Carbon) ToKitchenString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(KitchenLayout)
}
// ToIso8601String outputs a string in "2006-01-02T15:04:05-07:00" layout.
// 输出 "2006-01-02T15:04:05-07:00" 格式字符串
func (c Carbon) ToIso8601String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ISO8601Layout)
}
// ToIso8601MilliString outputs a string in "2006-01-02T15:04:05.999-07:00" layout.
// 输出 "2006-01-02T15:04:05.999-07:00" 格式字符串
func (c Carbon) ToIso8601MilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ISO8601MilliLayout)
}
// ToIso8601MicroString outputs a string in "2006-01-02T15:04:05.999999-07:00" layout.
// 输出 "2006-01-02T15:04:05.999999-07:00" 格式字符串
func (c Carbon) ToIso8601MicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ISO8601MicroLayout)
}
// ToIso8601NanoString outputs a string in "2006-01-02T15:04:05.999999999-07:00" layout.
// 输出 "2006-01-02T15:04:05.999999999-07:00" 格式字符串
func (c Carbon) ToIso8601NanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(ISO8601NanoLayout)
}
// ToRfc822String outputs a string in "02 Jan 06 15:04 MST" layout.
// 输出 "02 Jan 06 15:04 MST" 格式字符串
func (c Carbon) ToRfc822String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC822Layout)
}
// ToRfc822zString outputs a string in "02 Jan 06 15:04 -0700" layout.
// 输出 "02 Jan 06 15:04 -0700" 格式字符串
func (c Carbon) ToRfc822zString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC822ZLayout)
}
// ToRfc850String outputs a string in "Monday, 02-Jan-06 15:04:05 MST" layout.
// 输出 "Monday, 02-Jan-06 15:04:05 MST" 格式字符串
func (c Carbon) ToRfc850String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC850Layout)
}
// ToRfc1036String outputs a string in "Mon, 02 Jan 06 15:04:05 -0700" layout.
// 输出 "Mon, 02 Jan 06 15:04:05 -0700" 格式字符串
func (c Carbon) ToRfc1036String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC1036Layout)
}
// ToRfc1123String outputs a string in "Mon, 02 Jan 2006 15:04:05 MST" layout.
// 输出 "Mon, 02 Jan 2006 15:04:05 MST" 格式字符串
func (c Carbon) ToRfc1123String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC1123Layout)
}
// ToRfc1123zString outputs a string in "Mon, 02 Jan 2006 15:04:05 -0700" layout.
// 输出 "Mon, 02 Jan 2006 15:04:05 -0700" 格式字符串
func (c Carbon) ToRfc1123zString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC1123ZLayout)
}
// ToRfc2822String outputs a string in "Mon, 02 Jan 2006 15:04:05 -0700" layout.
// 输出 "Mon, 02 Jan 2006 15:04:05 -0700" 格式字符串
func (c Carbon) ToRfc2822String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC2822Layout)
}
// ToRfc3339String outputs a string in "2006-01-02T15:04:05Z07:00" layout.
// 输出 "2006-01-02T15:04:05Z07:00" 格式字符串
func (c Carbon) ToRfc3339String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC3339Layout)
}
// ToRfc3339MilliString outputs a string in "2006-01-02T15:04:05.999Z07:00" layout.
// 输出 "2006-01-02T15:04:05.999Z07:00" 格式字符串
func (c Carbon) ToRfc3339MilliString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC3339MilliLayout)
}
// ToRfc3339MicroString outputs a string in "2006-01-02T15:04:05.999999Z07:00" layout.
// 输出 "2006-01-02T15:04:05.999999Z07:00" 格式字符串
func (c Carbon) ToRfc3339MicroString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC3339MicroLayout)
}
// ToRfc3339NanoString outputs a string in "2006-01-02T15:04:05.999999999Z07:00" layout.
// 输出 "2006-01-02T15:04:05.999999999Z07:00" 格式字符串
func (c Carbon) ToRfc3339NanoString(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC3339NanoLayout)
}
// ToRfc7231String outputs a string in "Mon, 02 Jan 2006 15:04:05 GMT" layout.
// 输出 "Mon, 02 Jan 2006 15:04:05 GMT" 格式字符串
func (c Carbon) ToRfc7231String(timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(RFC7231Layout)
}
// ToLayoutString outputs a string by layout.
// 输出指定布局模板的时间字符串
func (c Carbon) ToLayoutString(layout string, timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
return c.ToStdTime().Format(layout)
}
// Layout outputs a string by layout, it is shorthand for ToLayoutString.
// 输出指定布局模板的时间字符串, 是 ToLayoutString 的简写
func (c Carbon) Layout(layout string, timezone ...string) string {
return c.ToLayoutString(layout, timezone...)
}
// ToFormatString outputs a string by format.
// 输出指定格式模板的时间字符串
func (c Carbon) ToFormatString(format string, timezone ...string) string {
if len(timezone) > 0 {
c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
}
if c.IsInvalid() {
return ""
}
buffer := bytes.NewBuffer(nil)
for i := 0; i < len(format); i++ {
if layout, ok := formats[format[i]]; ok {
// support for i18n specific symbols
switch format[i] {
case 'l': // week, such as Monday
buffer.WriteString(c.ToWeekString())
case 'D': // short week, such as Mon
buffer.WriteString(c.ToShortWeekString())
case 'F': // month, such as January
buffer.WriteString(c.ToMonthString())
case 'M': // short month, such as Jan
buffer.WriteString(c.ToShortMonthString())
default: // common symbols
buffer.WriteString(c.ToStdTime().Format(layout))
}
} else {
switch format[i] {
case '\\': // raw output, no parse
buffer.WriteByte(format[i+1])
i++
continue
case 'W': // week number of the year in ISO-8601 format, ranging from 01-52
week := fmt.Sprintf("%02d", c.WeekOfYear())
buffer.WriteString(week)
case 'N': // day of the week as a number in ISO-8601 format, ranging from 01-7
week := fmt.Sprintf("%02d", c.DayOfWeek())
buffer.WriteString(week)
case 'S': // abbreviated suffix for the day of the month, such as st, nd, rd, th
suffix := "th"
switch c.Day() {
case 1, 21, 31:
suffix = "st"
case 2, 22:
suffix = "nd"
case 3, 23:
suffix = "rd"
}
buffer.WriteString(suffix)
case 'L': // whether it is a leap year, if it is a leap year, it is 1, otherwise it is 0
if c.IsLeapYear() {
buffer.WriteString("1")
} else {
buffer.WriteString("0")
}
case 'G': // 24-hour format, no padding, ranging from 0-23
buffer.WriteString(strconv.Itoa(c.Hour()))
case 'U': // timestamp with second, such as 1611818268
buffer.WriteString(strconv.FormatInt(c.Timestamp(), 10))
case 'u': // current millisecond, such as 999
buffer.WriteString(strconv.Itoa(c.Millisecond()))
case 'w': // day of the week represented by the number, ranging from 0-6
buffer.WriteString(strconv.Itoa(c.DayOfWeek() - 1))
case 't': // number of days in the month, ranging from 28-31
buffer.WriteString(strconv.Itoa(c.DaysInMonth()))
case 'z': // day of the year, ranging from 0-365
buffer.WriteString(strconv.Itoa(c.DayOfYear() - 1))
case 'e': // current location, such as UTCGMTAtlantic/Azores
buffer.WriteString(c.Location())
case 'Q': // current quarter, ranging from 1-4
buffer.WriteString(strconv.Itoa(c.Quarter()))
case 'C': // current century, ranging from 0-99
buffer.WriteString(strconv.Itoa(c.Century()))
default:
buffer.WriteByte(format[i])
}
}
}
return buffer.String()
}
// Format outputs a string by format, it is shorthand for ToFormatString.
// 输出指定格式模板的时间字符串, 是 ToFormatString 的简写
func (c Carbon) Format(format string, timezone ...string) string {
return c.ToFormatString(format, timezone...)
}
// ToStdTime converts Carbon to standard time.Time.
// 将 Carbon 转换成标准 time.Time
func (c Carbon) ToStdTime() time.Time {
return c.time.In(c.loc)
}