WebRoot/tree/ck/api/en/setting.async.dataFilter.html

（完整代码） 1KB 

<div class="apiDetail">
<div>
	<h2><span>Function(treeId, parentNode, childNodes)</span><span class="path">setting.async.</span>dataFilter</h2>
	<h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
	<div class="desc">
		<p></p>
		<div class="longdesc">
			<p>Function used to pre-process for the return data of Ajax. It is valid when <span class="highlight_red">[setting.async.enable = true]</span></p>
			<p>Default: null</p>
		</div>
	</div>
	<h3>Function Parameter Descriptions</h3>
	<div class="desc">
	<h4><b>treeId</b><span>String</span></h4>
	<p>zTree unique identifier: <b class="highlight_red">treeId</b>, easy for users to control.</p>
	<h4 class="topLine"><b>parentNode</b><span>JSON</span></h4>
	<p>Parent node's JSON data object</p>
	<p class="highlight_red">When asynchronously loading the root, the parentNode = null</p>
	<h4 class="topLine"><b>childNodes</b><span>Array(JSON) / JSON</span></h4>
	<p>Ajax got Array (JSON) / JSON data objects</p>
	<h4 class="topLine"><b>Return </b><span>Array(JSON) / JSON</span></h4>
	<p>The return value should be the JSON data structure which is supported by the zTree.</p>
	<p class="highlight_red">v3.x supports to load single node JSON data object.</p>
	</div>
	<h3>Examples of setting & function</h3>
	<h4>1. Modify the node name attribute which is ajax got.</h4>
	<pre xmlns=""><code>function ajaxDataFilter(treeId, parentNode, childNodes) {
    if (childNodes) {
      for(var i =0; i < childNodes.length; i++) {
        childNodes[i].name += "_filter";
      }
    }
    return childNodes;
};
var setting = {
	async: {
		enable: true,
		url: "http://host/getNode.php",
		dataFilter: ajaxDataFilter
	}
};
......</code></pre>
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