date

date.go

@@ -0,0 +1,72 @@
+package myth
+
+import (
+	"time"
+)
+
+const (
+	// TimeFmtLong yyyy-MM-dd hh:mm:ss
+	TimeFmtLong = `2006-01-02 15:04:05`
+	// TimeFmtNumeric yyyyMMddhhmmss
+	TimeFmtNumeric = `20060102150405`
+
+	// DateFmtLong yyyy-MM-dd
+	DateFmtLong = `2006-01-02`
+	// DateFmtNumeric yyyyMMdd
+	DateFmtNumeric = `20060102`
+)
+
+// IsTime 是否时间格式字符串
+func IsTime(s string) bool {
+	if _, err := time.Parse(TimeFmtLong, s); err != nil {
+		return false
+	}
+	return true
+}
+
+// IsDate 是否为有效日期
+func IsDate(s string) bool {
+	if _, e := time.Parse(`2006-01-02`, s); e != nil {
+		return false
+	}
+	return true
+}
+
+// StrToTime 字符串转时间
+func StrToTime(s string) (t time.Time, err error) {
+	t, err = time.Parse(TimeFmtLong, s)
+
+	return
+}
+
+// StrFmtTime 时间转字符串
+func StrFmtTime(s, fmt string) (t time.Time, err error) {
+	t, err = time.Parse(fmt, s)
+	return
+}
+
+// TimeToStr 时间转字符串
+func TimeToStr(t time.Time) string {
+	return t.Format(TimeFmtLong)
+}
+
+// TimeFmtStr 时间转字符串
+func TimeFmtStr(t time.Time, fmt string) string {
+	return t.Format(fmt)
+}
+
+// StrToDate 字符串转日期
+func StrToDate(s string) (t time.Time, err error) {
+	t, err = time.Parse(DateFmtLong, s)
+
+	return
+}
+
+// IsWeekEnd 日期是否周末
+func IsWeekEnd(d time.Weekday) bool {
+	day := int(d)
+	if day == 6 || day == 0 {
+		return true
+	}
+	return false
+}