el-tree 只在父节点前面加icon

How to add icons only in front of parent nodes in el-tree?

To add icons specifically to parent nodes in el-tree, you can utilize the node-key prop along with the scoped slot feature provided by Vue.js. Here's how you can achieve this:

Is it possible to limit icon placement to parent nodes in el-tree?

Yes, it is possible to limit icon placement to parent nodes in el-tree by employing theisParentproperty. This property is available within the scoped slot provided by Vue.js for each node in the tree.

What is the correct syntax to add icons specifically to parent nodes in el-tree?

The correct syntax to add icons specifically to parent nodes in el-tree is as follows:

  {{ node.label }} 

In this syntax, you use thedata.isParentcondition to check if the current node is a parent node. If it is, you can add an icon using theelement and specify the desired icon class.