fix: gold kpi add granularity

lib/global/kits.go

@@ -391,6 +391,27 @@ func GetSecondsSinceDatetime(datetimeStr string) (int64, error) {
 	return seconds, nil
 }
 
+func GetSecondDuration(time1, time2 string) (int64, error) {
+	loc1, _ := time.LoadLocation("Local")
+	// 解析日期时间字符串为时间对象
+	t1, err := time.ParseInLocation(time.DateTime, time1, loc1)
+	if err != nil {
+		return 0, err
+	}
+	t2, err := time.ParseInLocation(time.DateTime, time2, loc1)
+	if err != nil {
+		return 0, err
+	}
+
+	// 计算时间差
+	duration := t2.Sub(t1)
+
+	// 获取时间差的秒数
+	seconds := int64(duration.Seconds())
+
+	return seconds, nil
+}
+
 // 0: invalid ip
 // 4: IPv4
 // 6: IPv6