dynatree根节点null /不确定 - 儿童未定义
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14-10-2019 - |
题
("#tree").dynatree({
minExpandLevel: 1,
//persist: true,
children: [{"title":"First Location",
"isFolder":true,
"expand":true,
"key":"location.92",
"icon":"location.gif",
"children":[{"title":"<span class='assetType'>First Location Child<\/span>",
"key":"locationid=92&typeid=1",
"expand":true,
"icon":"equipment.gif",
"children":[ (etc...)
所以我愿意:
var rootNode = $("#tree").dynatree("getRoot");
var title = rootNode.data.title;
title = null
...好,所以我尝试:
var rootNode = $("#tree").dynatree("getRoot");
var node = rootNode.getChildren();
var title = node.data.title;
无法阅读未定义的财产“标题”
如果我只是:
alert(node);
我得到:
Dynatreenodeu003Clocation.92> :'第一个位置'
所以...?
既然我在问,请在游戏机中:
jquery.dynatree.min.js:710:49:53.215 - Option 'title' is no longer supported.
?
有关的?
Uncaught TypeError: Cannot read property 'parentNode' of null
ra
解决方案
rootnode是(不可见的)系统root和 rootNode.data.title
未设置。由于node.getChildren()返回列表,因此应该是
var rootNode = $("#tree").dynatree("getRoot");
var nodeList = rootNode.getChildren();
var title = nodeList[0].data.title;
其他提示
我有答案:
//node = item which has isFolder() = false, islazy() = false
var topnode = node.parent;
topnode.reloadChildren(function(topnode, isOk){});
您可以使用以下方式阅读标题:
var rootNode = $("#tree").dynatree("getRoot");
var realRootTitle = rootNode.childList[1].data.title;
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