testDao; // } public function __construct(TestDao $testDao) { parent::__construct(); $this->injectDao($testDao); } private function injectDao($testDao) { $this->testDao = $testDao; } public function test($params) { $this->log('自定义日志commonservice1'); $this->log('自定义日志commonservice2'); if($params['dao']) { return '\n---common service---\n'; } return '\n---common service---\n'; } }