level: level sort: current level location excuse me: add a parent node according to the currently selected node, become the added parent node at the current node location, and the current node becomes the child of the parent node? ...
element tree monitors the value of the current node through the check-change method, whether it is selected, whether the child element is selected, requirement: turn the current node into a disabled state [disabled] when the current node is selected ...
Click on the parent node to get the id, of the node and render it into a child node. now that the id has been obtained and the data of the child node has been requested, I don t know how to render it under this node. look at the official introduction...
the project needs to add a hyperlink or click event on the tree node text to achieve the page jump effect. I looked at the official document and only found the node click event. The jump is realized through the node click event. The implementation code ...