环境:JDK7u75、Windows8.1x64、JavaFX2.2示例代码:publicclassTreeViewSampleextendsApplication{publicstaticvoidmain(String[]args){launch(args);}@Overridepublicvoidstart(StageprimaryStage)throwsMalformedURLException{primaryStage.setTitle("TreeViewSample");TreeItemrootItem=newTreeItem("RootNode");for(inti=1;i