package timeutilimport ("time"
)func New() *TimeUtil {return &TimeUtil{}
}// TimeUtil 是时间操作工具类
type TimeUtil struct{}// GetFormattedDate 获取格式化的日期字符串
func (tu *TimeUtil) GetFormattedDate(t time.Time) string {return t.Format("2006-01-02")
}// GetFormattedTime 获取格式化的时间字符串
func (tu *TimeUtil) GetFormattedTime(t time.Time) string {return t.Format("15:04:05")
}// GetFormattedDateTime 获取格式化的日期时间字符串
func (tu *TimeUtil) GetFormattedDateTime(t time.Time) string {return t.Format("2006-01-02 15:04:05")
}// GetWeekday 获取星期几
func (tu *TimeUtil) GetWeekday(t time.Time) string {return t.Weekday().String()
}// IsLeapYear 判断是否为闰年
func (tu *TimeUtil) IsLeapYear(year int) bool {return year%4 == 0 && (year%100 != 0 || year%400 == 0)
}// ParseDateFromString 将日期字符串解析为时间对象
func (tu *TimeUtil) ParseDateFromString(dateString string) (time.Time, error) {layout := "2006-01-02"t, err := time.Parse(layout, dateString)if err != nil {return time.Time{}, err}return t, nil
}// ParseTimeFromString 将时间字符串解析为时间对象
func (tu *TimeUtil) ParseTimeFromString(timeString string) (time.Time, error) {layout := "15:04:05"t, err := time.Parse(layout, timeString)if err != nil {return time.Time{}, err}return t, nil
}// ParseDateTimeFromString 将日期时间字符串解析为时间对象
func (tu *TimeUtil) ParseDateTimeFromString(dateTimeString string) (time.Time, error) {layout := "2006-01-02 15:04:05"t, err := time.Parse(layout, dateTimeString)if err != nil {return time.Time{}, err}return t, nil
}// FormatTimeString 将时间字符串转换为指定格式的日期时间字符串
/**
inputTime 表示输入的时间字符串 字符格式为：2006-01-02 15:04:05
format 表示要转换的日期时间格式 1、YYYY-MM-DD hh:mm:ss  2、YYYY-MM-DD  3、hh:mm:ss
*/
func (tu *TimeUtil) FormatTimeString(inputTime, format string) (string, error) {format = rule(format)layout := "2006-01-02 15:04:05"t, err := time.Parse(layout, inputTime)if err != nil {return "", err}formattedTime := t.Format(format)return formattedTime, nil
}// FormatTimeStringZ 将时间字符串转换为指定格式的日期时间字符串
/**
inputTime 表示输入的时间字符串 字符格式为：2023-07-29T15:30:00Z
format 表示要转换的日期时间格式 1、YYYY-MM-DD hh:mm:ss  2、YYYY-MM-DD  3、hh:mm:ss
*/
func (tu *TimeUtil) FormatTimeStringZ(inputTime, format string) (string, error) {format = rule(format)t, err := time.Parse(time.RFC3339, inputTime)if err != nil {return "", err}formattedTime := t.Format(format)return formattedTime, nil
}// rule 时间规则
func rule(format string) (str string) {if format == "1" {format = "2006-01-02 15:04:05"} else if format == "2" {format = "2006-01-02"} else if format == "3" {format = "15:04:05"}return format
}