Function checkFlagRequired

cli/cmd/server/args.go:107–113

检查参数是否填写

(fflags *pflag.FlagSet, flagName string)

// 检查参数是否填写
func checkFlagRequired(fflags *pflag.FlagSet, flagName string) error {
	flagValue, _ := fflags.GetString(flagName)
	if !fflags.Changed(flagName) || flagValue == "" {
		return fmt.Errorf(i18nInstance.Main.Err_flag_value_required, flagName)
	}
	return nil
}