v2版本正式上线测试版

static/zTree3/api/cn/setting.data.key.checked.html

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+<div class="apiDetail">
+<div>
+	<h2><span>String</span><span class="path">setting.data.key.</span>checked</h2>
+	<h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.excheck</span> 扩展 js ]</span></h3>
+	<div class="desc">
+		<p></p>
+		<div class="longdesc">
+			<p>zTree 节点数据中保存 check 状态的属性名称。</p>
+			<p>默认值："checked"</p>
+			<p class="highlight_red">请勿与 zTree 节点数据的其他参数冲突，例如：checkedOld</p>
+		</div>
+	</div>
+	<h3>setting 举例</h3>
+	<h4>1. 设置 zTree 显示节点时，将 treeNode 的 isChecked 属性当做节点名称</h4>
+	<pre xmlns=""><code>var setting = {
+	data: {
+		key: {
+			checked: "isChecked"
+		}
+	}
+};
+......</code></pre>
+</div>
+</div>