func showRes(stub *pub.WebApiStub, ID, resName string) error { keys, err := stub.Hkeys(ID, resName) if err != nil { return err } for _, key := range keys { fmt.Println(key) } var oldver int oldver, err = pub.O2Int(stub.Hget(ID, resName, pub.FD_LastVer)) if err != nil { oldver = 0 } fmt.Printf("last version is %d\r\n", oldver) oldver, err = pub.O2Int(stub.Hget(ID, resName, pub.FD_Release)) if err != nil { oldver = 0 } fmt.Printf("release version is %d\r\n", oldver) return nil }