日期时间转换

dateconv/date_test.go

@@ -0,0 +1,12 @@
+package dateconv_test
+
+import (
+	"testing"
+
+	"github.com/charlienet/go-mixed/dateconv"
+)
+
+func TestToday(t *testing.T) {
+	today := dateconv.Today()
+	t.Log(dateconv.TimeToString(&today))
+}

dateconv/dateconv.go

@@ -0,0 +1,43 @@
+package dateconv
+
+import (
+	"time"
+)
+
+const (
+	layoutDate        = "2006-01-02"
+	layoutTime        = "2006-01-02 15:04:05"
+	layoutChineseDate = "2006年01月02日"
+	layoutChineseTime = "2006年01月02日 15:04:05"
+)
+
+func Today() time.Time {
+	t := time.Now()
+	year, month, day := t.Date()
+	return time.Date(year, month, day, 0, 0, 0, 0, t.Location())
+}
+
+// 日期转换为整数（如:20211222）
+func DateToInt(date time.Time) int {
+	return date.Year()*10000 + int(date.Month())*100 + date.Day()
+}
+
+// 日期转换为字符串
+func DateToString(date *time.Time) string { return formatTime(date, layoutDate) }
+
+// 时间转换为字符串
+func TimeToString(date *time.Time) string { return formatTime(date, layoutTime) }
+
+// 日期转换为中文
+func DateToChinese(t *time.Time) string { return formatTime(t, layoutChineseDate) }
+
+// 时间转换为中文
+func TimeToChinese(t *time.Time) string { return formatTime(t, layoutChineseTime) }
+
+func formatTime(t *time.Time, f string) string {
+	if t == nil || t.IsZero() {
+		return ""
+	}
+
+	return t.Format(f)
+}