所有其他函数的使用方法相同。

Usage of all the other functions remains the same.

youdao

逐渐熟悉一下一些常见的函数的使用方法。

Become familiar with what some of the common function to use.

youdao

如果您有一个需要某些依赖项的超类，也可以使用方法注入(构造函数注入会使这种情况变得很复杂)。

You can also use it if you have a superclass that needs some dependencies. (Constructor injection makes this difficult.)

youdao