Detailed explanation of the use of tree menu with check and cascading selection

This time I will bring you a detailed explanation of the use of tree menu with check selection and cascading selection. What are the precautions for using tree menu with check selection and cascading selection? The following is a practical case, let's take a look.

The specific code is as follows:

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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