enhance(utils):移动时间工具函数包的位置。

tools/time/time.go

@@ -0,0 +1,27 @@
+package time
+
+import (
+	"time"
+)
+
+var loc *time.Location = time.FixedZone("+0800", 8*60*60)
+
+func Now() time.Time {
+	return time.Now().In(loc)
+}
+
+func Timestamp() int64 {
+	startline := time.Date(2022, 2, 22, 22, 22, 22, 0, loc).Unix()
+	return Now().Unix() - startline
+}
+
+func DifferenceInMonth(t1, t2 time.Time) int {
+	var differYear, differMonth int
+	differYear = t1.Year() - t2.Year()
+	differMonth = int(t1.Month() - t2.Month())
+	return differYear*12 + differMonth
+}
+
+func IsNextMonth(origin, t time.Time) bool {
+	return DifferenceInMonth(t, origin) == 1
+}