Antd - tree structure: default deployment node attribute failure - Basic promotion

When writing the background management system today , There is a need for permission , Since a role can have multiple permissions , So consider the following tree structure ：

In order to show this structure more intuitively , You need to expand all tree sections by default .

According to the official website document , You can see that there are two parameters ：autoExpandParent and defaultExpandParent, Set these two parameters to true, Follow the documentation , It should be able to expand by default . But the actual situation is the folded tree structure .

Baidu later found that other gods met me .

According to the ideas provided by the great God , Two things need to be noted ：

1. Set up defaultExpandParent Parameter is true

It can also be set at the same time autoExpandParent This parameter is true.

2. Will get treeData The tree data interface is placed in the parent component , And then through props Pass to the current component

After the experiment , It worked ..

complete ！！！