正如在本系列的第一篇文章中解释过的，构造函数注入表明框架会提供类在初始化时需要的构造函数参数。

As explained in the first article of this series, constructor injection implies that the framework supplies constructor parameters required by the class upon instantiation.

youdao

正如在本系列的第一篇文章中解释过的，构造函数注入表明框架会提供类在初始化时需要的构造函数参数。

As explained in the first article of this series, constructor injection implies that the framework supplies constructor parameters required by the class upon instantiation.

youdao