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102 lines
2.9 KiB
102 lines
2.9 KiB
package carbon
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import (
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"strconv"
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"strings"
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"time"
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)
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// Parse parses a standard string as a Carbon instance.
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// 将标准格式时间字符串解析成 Carbon 实例
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func (c Carbon) Parse(value string, 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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layout := DateTimeFormat
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if value == "" || value == "0" || value == "0000-00-00 00:00:00" || value == "0000-00-00" || value == "00:00:00" {
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return c
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}
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if len(value) == 10 && strings.Count(value, "-") == 2 {
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layout = DateFormat
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}
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if strings.Index(value, "T") == 10 {
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layout = RFC3339Format
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}
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if _, err := strconv.ParseInt(value, 10, 64); err == nil {
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switch len(value) {
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case 8:
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layout = ShortDateFormat
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case 14:
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layout = ShortDateTimeFormat
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}
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}
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c = c.ParseByLayout(value, layout)
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if c.Error != nil {
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c.Error = invalidValueError(value)
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return c
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}
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return c
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}
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// Parse parses a standard string as a Carbon instance.
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// 将标准时间字符串解析成 Carbon 实例
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func Parse(value string, timezone ...string) Carbon {
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return NewCarbon().Parse(value, timezone...)
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}
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// ParseByFormat parses a string as a Carbon instance by format.
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// 通过格式化字符将字符串解析成 carbon 实例
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func (c Carbon) ParseByFormat(value string, format string, 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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if value == "" || value == "0" || value == "0000-00-00 00:00:00" || value == "0000-00-00" || value == "00:00:00" {
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return c
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}
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c = c.ParseByLayout(value, format2layout(format))
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if c.Error != nil {
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c.Error = invalidFormatError(value, format)
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return c
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}
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return c
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}
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// ParseByFormat parses a string as a Carbon instance by format.
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// 通过布局字符将字符串解析成 carbon 实例
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func ParseByFormat(value string, format string, timezone ...string) Carbon {
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return NewCarbon().ParseByFormat(value, format, timezone...)
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}
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// ParseByLayout parses a string as a Carbon instance by layout.
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// 通过布局字符将字符串解析成 carbon 实例
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func (c Carbon) ParseByLayout(value string, layout string, 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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if value == "" || value == "0" || value == "0000-00-00 00:00:00" || value == "0000-00-00" || value == "00:00:00" {
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return c
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}
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tt, err := time.ParseInLocation(layout, value, c.loc)
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if err != nil {
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c.Error = invalidLayoutError(value, layout)
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return c
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}
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c.Time = tt
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return c
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}
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// ParseByLayout parses a string as a Carbon instance by layout.
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// 将布局时间字符串解析成 Carbon 实例
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func ParseByLayout(value string, layout string, timezone ...string) Carbon {
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return NewCarbon().ParseByLayout(value, layout, timezone...)
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}
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