实例化遵循这种模式：创建一个空业务组件，填入数据，然后激活它。

The instantiation follows the pattern: create an empty business component, fill it with data, and then activate it.

youdao

实例化遵循这种模式：创建一个空业务组件，填入数据，然后激活它。

The instantiation follows the pattern: create an empty business component, fill it with data, and then activate it.

youdao