Golang Time.Day方法代码示例

func createDate(str string, now time.Time) time.Time {
	arr := strings.Split(str, "-")
	year, _ := strconv.Atoi(arr[0])
	month, _ := strconv.Atoi(arr[1])
	day, _ := strconv.Atoi(arr[2])
	return now.AddDate(year-now.Year(), month-int(now.Month()), day-now.Day())
}

func (de *DateEdit) SetRange(min, max time.Time) error {
	if !min.IsZero() && !max.IsZero() {
		if min.Year() > max.Year() ||
			min.Year() == max.Year() && min.Month() > max.Month() ||
			min.Year() == max.Year() && min.Month() == max.Month() && min.Day() > max.Day() {
			return newError("invalid range")
		}
	}

	var st [2]win.SYSTEMTIME
	var wParam uintptr

	if !min.IsZero() {
		wParam |= win.GDTR_MIN
		st[0] = *de.timeToSystemTime(min)
	}

	if !max.IsZero() {
		wParam |= win.GDTR_MAX
		st[1] = *de.timeToSystemTime(max)
	}

	if 0 == de.SendMessage(win.DTM_SETRANGE, wParam, uintptr(unsafe.Pointer(&st[0]))) {
		return newError("SendMessage(DTM_SETRANGE)")
	}

	return nil
}

// Returns wheter the Timing is active at the specified time
func (rit *RITiming) IsActiveAt(t time.Time) bool {
	// check for years
	if len(rit.Years) > 0 && !rit.Years.Contains(t.Year()) {
		return false
	}
	// check for months
	if len(rit.Months) > 0 && !rit.Months.Contains(t.Month()) {
		return false
	}
	// check for month days
	if len(rit.MonthDays) > 0 && !rit.MonthDays.Contains(t.Day()) {
		return false
	}
	// check for weekdays
	if len(rit.WeekDays) > 0 && !rit.WeekDays.Contains(t.Weekday()) {
		return false
	}
	//log.Print("Time: ", t)

	//log.Print("Left Margin: ", rit.getLeftMargin(t))
	// check for start hour
	if t.Before(rit.getLeftMargin(t)) {
		return false
	}

	//log.Print("Right Margin: ", rit.getRightMargin(t))
	// check for end hour
	if t.After(rit.getRightMargin(t)) {
		return false
	}
	return true
}

// FmtDateFull returns the full date representation of 't' for 'ti_ER'
func (ti *ti_ER) FmtDateFull(t time.Time) string {

	b := make([]byte, 0, 32)

	b = append(b, ti.daysWide[t.Weekday()]...)
	b = append(b, []byte{0xe1, 0x8d, 0xa1, 0x20}...)

	if t.Day() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x20}...)
	b = append(b, ti.monthsWide[t.Month()]...)
	b = append(b, []byte{0x20, 0xe1, 0x88, 0x98, 0xe1, 0x8b, 0x93, 0xe1, 0x88, 0x8d, 0xe1, 0x89, 0xb2, 0x20}...)
	b = strconv.AppendInt(b, int64(t.Year()), 10)
	b = append(b, []byte{0x20}...)

	if t.Year() < 0 {
		b = append(b, ti.erasWide[0]...)
	} else {
		b = append(b, ti.erasWide[1]...)
	}

	return string(b)
}

// Crée un nouvel objet de type AnneesMoisJours pour la date spécifiée
func TimeToAnneesMoisJour(t time.Time) (AnneesMoisJours, error) {
	if t.IsZero() {
		return AnneesMoisJours{}, ErrDateFormatInvalide
	}

	return AnneesMoisJours{t.Year(), int(t.Month()), t.Day()}, nil
}

func substractMonth(now time.Time) time.Time {
	var previousMonth time.Month
	year := now.Year()

	switch now.Month() {
	case time.January:
		previousMonth = time.December
		year = year - 1
	case time.February:
		previousMonth = time.January
	case time.March:
		previousMonth = time.February
	case time.April:
		previousMonth = time.March
	case time.May:
		previousMonth = time.April
	case time.June:
		previousMonth = time.May
	case time.July:
		previousMonth = time.June
	case time.August:
		previousMonth = time.July
	case time.September:
		previousMonth = time.August
	case time.October:
		previousMonth = time.September
	case time.November:
		previousMonth = time.October
	case time.December:
		previousMonth = time.November
	}
	return time.Date(year, previousMonth, now.Day(), 12, 0, 0, 0, time.UTC)
}

func getFetchLink(symbol string, currentDate time.Time) string {
	//	var currentDate time.Time = time.Now()
	var result string = fmt.Sprintf(
		"http://real-chart.finance.yahoo.com/table.csv?s=%s&a=00&b=1&c=1900&d=%02d&e=%02d&f=%d&g=d&ignore=.csv",
		symbol, (currentDate.Month() - 1), currentDate.Day(), currentDate.Year())
	return result
}

func yqlHist(symbols []string, start *time.Time, end *time.Time) (map[string]fquery.Hist, error) {
	if start == nil {
		t := time.Date(2000, time.January, 1, 0, 0, 0, 0, time.UTC)
		start = &t
	}
	startq := fmt.Sprintf(` AND startDate = "%v-%v-%v"`,
		start.Year(), int(start.Month()), start.Day())

	if end == nil {
		t := time.Now()
		end = &t
	}
	endq := fmt.Sprintf(` AND endDate = "%v-%v-%v"`,
		end.Year(), int(end.Month()), end.Day())

	queryGen := func(symbol string) string {
		return fmt.Sprintf(
			`SELECT * FROM yahoo.finance.historicaldata WHERE symbol="%s"`,
			symbol) + startq + endq
	}

	makeMarshal := func() interface{} {
		var resp YqlJsonHistResponse
		return &resp
	}

	res := make(map[string]fquery.Hist)

	parallelFetch(queryGen, makeMarshal, addHistToMap(res), symbols)
	return res, nil
}

func TimeToString(t time.Time) string {
	year := t.Year()
	month := int(t.Month())
	day := t.Day()
	result := strconv.Itoa(year) + "-" + strconv.Itoa(month) + "-" + strconv.Itoa(day)
	return result
}

// Implement Schedule interface.
func (self Day) IsOccurring(t time.Time) bool {
	if self := int(self); self == Last {
		return isLastDayInMonth(t)
	} else {
		return self == t.Day()
	}
}

func (self Day) NextAfter(t time.Time) (time.Time, error) {
	desiredDay := int(self)

	if desiredDay == Last {
		if isLastDayInMonth(t) {
			return t.AddDate(0, 0, 1).AddDate(0, 1, -1), nil
		}

		return firstDayOfMonth(t).AddDate(0, 2, -1), nil
	}

	if t.Day() > desiredDay {
		if isLastDayInMonth(t) && desiredDay == First {
			return t.AddDate(0, 0, 1), nil
		}

		return self.NextAfter(t.AddDate(0, 0, 1))
	}

	if t.Day() < desiredDay {
		totalDays := lastDayOfMonth(t).Day()
		if totalDays < desiredDay {
			return self.NextAfter(t.AddDate(0, 1, 0))
		}

		return time.Date(t.Year(), t.Month(), desiredDay, 0, 0, 0, 0, t.Location()), nil
	}

	totalDaysNextMonth := lastDayOfMonth(lastDayOfMonth(t).AddDate(0, 0, 1)).Day()
	if totalDaysNextMonth < desiredDay {
		return self.NextAfter(t.AddDate(0, 2, -1))
	}

	return t.AddDate(0, 1, 0), nil
}

// FmtDateShort returns the short date representation of 't' for 'bg_BG'
func (bg *bg_BG) FmtDateShort(t time.Time) string {

	b := make([]byte, 0, 32)

	b = strconv.AppendInt(b, int64(t.Day()), 10)
	b = append(b, []byte{0x2e}...)

	if t.Month() < 10 {
		b = append(b, '0')
	}

	b = strconv.AppendInt(b, int64(t.Month()), 10)

	b = append(b, []byte{0x2e}...)

	if t.Year() > 9 {
		b = append(b, strconv.Itoa(t.Year())[2:]...)
	} else {
		b = append(b, strconv.Itoa(t.Year())[1:]...)
	}

	b = append(b, []byte{0x20, 0xd0, 0xb3}...)
	b = append(b, []byte{0x2e}...)

	return string(b)
}

func Strftime(format string, t time.Time) (timestamp string, err error) {
	c_format := C.CString(format)
	defer func() { C.free(unsafe.Pointer(c_format)) }()

	tz, offset := t.Zone()
	c_tz := C.CString(tz)
	defer func() { C.free(unsafe.Pointer(c_tz)) }()

	c_time := C.struct_tm{
		tm_year:   C.int(t.Year() - 1900),
		tm_mon:    C.int(t.Month() - 1),
		tm_mday:   C.int(t.Day()),
		tm_hour:   C.int(t.Hour()),
		tm_min:    C.int(t.Minute()),
		tm_sec:    C.int(t.Second()),
		tm_gmtoff: C.long(offset),
		tm_zone:   c_tz,
	}

	c_timestamp, trr := C.ftime(c_format, &c_time)
	defer func() { C.free(unsafe.Pointer(c_timestamp)) }()

	timestamp = C.GoString(c_timestamp)
	if trr == nil {
		timestamp = C.GoString(c_timestamp)
	} else {
		err = fmt.Errorf("%s - %s", trr, t)
	}
	return
}

func ParseTime(str string) (time.Time, error) {
	now := time.Now()
	t := time.Time{}
	var err error

	isShortTime := false
	for _, tfmt := range inputTimeFormats {
		t, err = time.ParseInLocation(tfmt, str, time.Local)
		if err == nil {
			if tfmt == "03:04 pm" || tfmt == "3:04 pm" || tfmt == "15:04" {
				isShortTime = true
			}
			break
		}
		// fmt.Printf("%s \n", tfmt)
	}

	// if no year or month or day was given fill those in with todays date
	if isShortTime {
		t = time.Date(now.Year(), now.Month(), now.Day(), t.Hour(), t.Minute(), t.Second(), 0, time.Local)
	} else if t.Year() == 0 { // no year was specified
		t = time.Date(now.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), 0, time.Local)
	}

	return t, err
}

func buildTimeElement(t time.Time) string {
	return fmt.Sprintf(
		"<dateTime.iso8601>%d%d%dT%d:%d:%d</dateTime.iso8601>",
		t.Year(), t.Month(), t.Day(),
		t.Hour(), t.Minute(), t.Second(),
	)
}