setDescription("custom description | 自定义命令的描述字段"); $this->addOption("failure", null, null, "以错误码为1返回结果"); // ... } protected function execute(InputInterface $input, OutputInterface $output) { if ($input->getOption("failure")) { $output->writeln("Hello error! I am wrong message."); return Command::FAILURE; } else { $output->writeln("Hello world! I am successful message."); return Command::SUCCESS; } } }