package service import ( "XT/models" "github.com/jinzhu/gorm" ) func GetAppVersionByAppType(apptype int64) (*models.AppVersion, error) { var version models.AppVersion err := readDb.Model(&models.AppVersion{}).Where("app_type=?", apptype).First(&version).Error if err == gorm.ErrRecordNotFound { return nil, nil } if err != nil { return nil, err } return &version, nil }