If you're writing a component that's going to contain other components and you need to measure the container's size, it would help to know the width and height of each child.
如果您编写一个包含其他组件的组件并希望度量容器的大小，那么了解每个子容器的width和height将有帮助。
If you're writing a component that's going to contain other components and you need to measure the container's size, it would help to know the width and height of each child.
如果您编写一个包含其他组件的组件并希望度量容器的大小，那么了解每个子容器的width和height将有帮助。
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