试试这个:class IMyHelper{ private $logger; public function __construct(LoggerInterace $logger) { $this->logger = $logger }}接着class MyHelper extends IMyHelper{ // And if here __construct does not exist // php runs constructor from IMyHelper // if i remember good :) function OtherMethod(){ }}在可视代码搜索插件中,但从什么 vs 可能知道您需要初始化什么变量;)