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• 如何增加树以tab树
原标题:How to add tree to tab in bean

我试图将树木添加到1个表格中:

Tab tmp = new Tab();
TreeNode root = new  DefaultTreeNode("root",null);
TreeNode test = new DefaultTreeNode("test",root);
tmp.getChildren().add((UIComponent)root);

谁能帮助我?

问题回答

我建议你使用。 协议小组——模型

协定可以显示有活力的、有模型支持的表格。 由于制成表格,也很容易实施添加/移除表格。

举一个例子...... 页: 1 (简言之行在示例中执行)

扩大上述实例

在表格中添加

<p:tree value="#{player.root}" var="node" id="tree">  
    <p:treeNode id="treeNode">  
        <h:outputText value="#{node}" id="lblNode"/>  
    </p:treeNode>  
</p:tree> 

并加入参与者类别......

private TreeNode root;  

public initTree() {  
    root = new DefaultTreeNode("Root", null);  
    TreeNode node0 = new DefaultTreeNode("Node 0", root);  
    TreeNode node1 = new DefaultTreeNode("Node 1", root);  
    TreeNode node2 = new DefaultTreeNode("Node 2", root);  

    TreeNode node00 = new DefaultTreeNode("Node 0.0", node0);  
    TreeNode node01 = new DefaultTreeNode("Node 0.1", node0);  

    TreeNode node10 = new DefaultTreeNode("Node 1.0", node1);  
    TreeNode node11 = new DefaultTreeNode("Node 1.1", node1);  

    TreeNode node000 = new DefaultTreeNode("Node 0.0.0", node00);  
    TreeNode node001 = new DefaultTreeNode("Node 0.0.1", node00);  
    TreeNode node010 = new DefaultTreeNode("Node 0.1.0", node01);  

    TreeNode node100 = new DefaultTreeNode("Node 1.0.0", node10);  
}  

public TreeNode getRoot() {  
    return root;  
}  

这里是参与者的来源。 java

http://www.ohchr.org。

after looking at Issue with p:tree inside loops (ui:repeat, p:dataTable, ...)

以及

问题3640:在国家储蓄期间,Null PointerException:tree within loops(ui:repeat, p:tabView, ......)

似乎在这种特征方面存在着公开的争 that。





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