选择后如何从JTree中选择节点？

Question

可能重复:
JTree:如何获取所选项目的文本？

1在C#中有TreeView_afterSelect事件,我问在java中是否是这样的？我用过:hierarchyPropertyChange但它运行了两次......

Answer 1

你可以使用TreeSelectionListener:

tree.addTreeSelectionListener(new TreeSelectionListener() {

@Override
public void valueChanged(TreeSelectionEvent e) {
   DefaultMutableTreeNode selectedNode = 
       (DefaultMutableTreeNode)tree.getLastSelectedPathComponent(); 
   ...          
  }
});