chore: 并入 iotlcm-openapi 历史到 openapi/（原提交 3b05d5a）

openapi/internal/library/utils/utils.go

@@ -0,0 +1,27 @@
+package utils
+
+import (
+	"strconv"
+	"strings"
+	"time"
+)
+
+func ParseDuration(d string) (time.Duration, error) {
+	d = strings.TrimSpace(d)
+	dr, err := time.ParseDuration(d)
+	if err == nil {
+		return dr, nil
+	}
+	if strings.Contains(d, "d") {
+		index := strings.Index(d, "d")
+		day, _ := strconv.Atoi(d[:index])
+		dr = time.Hour * 24 * time.Duration(day)
+		ndr, err := time.ParseDuration(d[index+1:])
+		if err != nil {
+			return dr, nil
+		}
+		return dr + ndr, nil
+	}
+	dv, err := strconv.ParseInt(d, 10, 64)
+	return time.Duration(dv), err
+}