No Description

treeNode.getPreNode.html 999B

123456789101112131415161718192021222324252627
  1. <div class="apiDetail">
  2. <div>
  3. <h2><span>Function()</span><span class="path">treeNode.</span>getPreNode</h2>
  4. <h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.core</span> 核心 js ]</span></h3>
  5. <div class="desc">
  6. <p></p>
  7. <div class="longdesc">
  8. <p>获取与 treeNode 节点相邻的前一个节点。</p>
  9. <p class="highlight_red">初始化节点数据时,由 zTree 增加此属性,请勿提前赋值</p>
  10. </div>
  11. </div>
  12. <h3>Function 参数说明</h3>
  13. <div class="desc">
  14. <h4><b>返回值</b><span>JSON</span></h4>
  15. <p>与 treeNode 节点相邻的前一个节点。</p>
  16. <p class="highlight_red">如果 treeNode 是第一个节点,返回 null 。</p>
  17. </div>
  18. <h3>treeNode 举例</h3>
  19. <h4>1. 获取当前被选中的节点的前一个节点</h4>
  20. <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
  21. var sNodes = treeObj.getSelectedNodes();
  22. if (sNodes.length > 0) {
  23. var node = sNodes[0].getPreNode();
  24. }
  25. </code></pre>
  26. </div>
  27. </div>