uTools-Manuals/docs/java/javax/swing/tree/TreeNode.html

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     javax.swing.tree 
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<h2 class="title" title="Interface TreeNode">Interface TreeNode</h2>
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         All Known Subinterfaces: 
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<span><a href="../../../javax/swing/tree/MutableTreeNode.html" title="javax.swing.tree中的接口">MutableTreeNode</a></span>
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        所有已知实现类：
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<span><a href="../../../javax/swing/text/AbstractDocument.AbstractElement.html" title="javax.swing.text中的类">AbstractDocument.AbstractElement</a> ， <a href="../../../javax/swing/text/AbstractDocument.BranchElement.html" title="javax.swing.text中的类">AbstractDocument.BranchElement</a> ， <a href="../../../javax/swing/text/AbstractDocument.LeafElement.html" title="javax.swing.text中的类">AbstractDocument.LeafElement</a> ， <a href="../../../javax/swing/tree/DefaultMutableTreeNode.html" title="javax.swing.tree中的类">DefaultMutableTreeNode</a> ， <a href="../../../javax/swing/text/DefaultStyledDocument.SectionElement.html" title="javax.swing.text中的类">DefaultStyledDocument.SectionElement</a> ， <a href="../../../javax/swing/text/html/HTMLDocument.BlockElement.html" title="javax.swing.text.html中的类">HTMLDocument.BlockElement</a> ， <a href="../../../javax/swing/text/html/HTMLDocument.RunElement.html" title="javax.swing.text.html中的类">HTMLDocument.RunElement</a> ， <a href="../../../javax/swing/JTree.DynamicUtilTreeNode.html" title="javax.swing中的类">JTree.DynamicUtilTreeNode</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">TreeNode</span></pre>
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<span>定义可以用作JTree中的树节点的对象的要求。</span>
<p> <span>的实现<code>TreeNode</code>重写<code>equals</code>通常需要重写<code>hashCode</code>为好。</span> <span>请参阅<a href="../../../javax/swing/tree/TreeModel.html" title="javax.swing.tree中的接口"><code>TreeModel</code></a>以获取更多信息。</span> <span>有关使用树节点的更多信息和示例，请参阅<em>Java教程</em>中<em>的</em> <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/tree.html">How to Use Tree Nodes</a> <em>。</em></span> </p>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code><a href="../../../java/util/Enumeration.html" title="interface in java.util">Enumeration</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeNode.html#children--">children</a></span>()</code>
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              作为 
             <code>Enumeration</code>返回接收者的 
             <code>Enumeration</code> 。 
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeNode.html#getAllowsChildren--">getAllowsChildren</a></span>()</code>
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              如果接收器允许孩子，则返回true。 
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<td class="colFirst"><code><a href="../../../javax/swing/tree/TreeNode.html" title="interface in javax.swing.tree">TreeNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeNode.html#getChildAt-int-">getChildAt</a></span>(int childIndex)</code>
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              返回子 
             <code>TreeNode</code>索引 
             <code>childIndex</code> 。 
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeNode.html#getChildCount--">getChildCount</a></span>()</code>
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              返回接收者包含的孩子数 
             <code>TreeNode</code> 。 
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeNode.html#getIndex-javax.swing.tree.TreeNode-">getIndex</a></span>(<a href="../../../javax/swing/tree/TreeNode.html" title="interface in javax.swing.tree">TreeNode</a> node)</code>
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              返回的索引 
             <code>node</code>接收机中的孩子。 
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<td class="colFirst"><code><a href="../../../javax/swing/tree/TreeNode.html" title="interface in javax.swing.tree">TreeNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeNode.html#getParent--">getParent</a></span>()</code>
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              返回接收者的父级 
             <code>TreeNode</code> 。 
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeNode.html#isLeaf--">isLeaf</a></span>()</code>
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              如果接收者是叶子，则返回true。 
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<li class="blockList"> <h4>getChildAt</h4> <pre><a href="../../../javax/swing/tree/TreeNode.html" title="interface in javax.swing.tree">TreeNode</a> getChildAt(int childIndex)</pre>
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            返回子 
           <code>TreeNode</code>索引 
           <code>childIndex</code> 。 
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<li class="blockList"> <h4>getChildCount</h4> <pre>int getChildCount()</pre>
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            返回接收器包含的子数 
           <code>TreeNode</code> 。 
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<li class="blockList"> <h4>getParent</h4> <pre><a href="../../../javax/swing/tree/TreeNode.html" title="interface in javax.swing.tree">TreeNode</a> getParent()</pre>
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            返回接收方的父级 
           <code>TreeNode</code> 。 
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<li class="blockList"> <h4>getIndex</h4> <pre>int getIndex(<a href="../../../javax/swing/tree/TreeNode.html" title="interface in javax.swing.tree">TreeNode</a> node)</pre>
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<span>返回的索引<code>node</code>接收机中的孩子。</span>
<span>如果接收方不包含<code>node</code> ，则返回-1。</span>
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<li class="blockList"> <h4>getAllowsChildren</h4> <pre>boolean getAllowsChildren()</pre>
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            如果接收器允许孩子，则返回true。 
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<li class="blockList"> <h4>isLeaf</h4> <pre>boolean isLeaf()</pre>
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            如果接收者是叶子，则返回true。 
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<li class="blockList"> <h4>children</h4> <pre><a href="../../../java/util/Enumeration.html" title="interface in java.util">Enumeration</a> children()</pre>
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            作为 
           <code>Enumeration</code>返回接收者的 
           <code>Enumeration</code> 。 
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