禁止选择父类

<input id="TRADE4" name="TRADE4ID" class="mini-treeselect" popupWidth="200" multiselect="false"
               textfield="TRADE_NAME" valuefield="ID" parentField="PARENT_ID" width="200"required="true"
               showTreeIcon="true"  resultAsTree="false" onbeforenodeselect="onBeforeNodeSelect"/>

<!--使行业按层级显示只能用id  multiselect="false"单选 true 多选-->

//禁止父类选择
function onBeforeNodeSelect(e) {
    if (e.isLeaf == false){e.cancel = true;}
}