zTree树形插件使用--异步加载方法介绍-java教程-PHP中文网

zTree树形插件使用--异步加载方法介绍

零下一度

发布： 2017-06-26 14:45:43

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>异步加载</title>
<link rel="stylesheet"href="${pageContext.request.contextPath}/zTree_v3-master/css/demo.css?1.1.11">
<link rel="stylesheet"href="${pageContext.request.contextPath}/zTree_v3-master/css/zTreeStyle/zTreeStyle.css?1.1.11">
<script type="text/javascript"src="${pageContext.request.contextPath}/jquery-2.1.1.min.js?1.1.11"></script>
<script type="text/javascript"src="${pageContext.request.contextPath}/zTree_v3-master/js/jquery.ztree.core.min.js?1.1.11"></script>
<script type="text/javascript">var setting = {
        async : {
            enable : true,
            url : "${pageContext.request.contextPath}/ztreeAction!getMenusById.jhtml",
            autoParam : [ "id" ],//dataFilter : filter        },
        data : {
            key : {
                url : "xUrl"},
            simpleData : {
                enable : true,
                pIdKey : "pid"}
        },

    };
    $(document).ready(function() {
        $.fn.zTree.init($("#treeDemo"), setting);
    });</script>



</head>
<body>
    <div class="ztree"style="width: 20%; height: 500px; padding-top: 10px; float: left; border: 1px solid #FF0000;">
        <ul id="treeDemo"></ul>
    </div>

</body>
</html>

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上面呢，是jsp页面的代码，因为是纯插件测试，可以直接复制过去使用的，

action层代码，可以直接复制使用

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    public void getMenusById(){
        List<Ztree> list=null;try {
            list=ztreeService.getMenusById(ztree);
        } catch (Exception e) {
            e.printStackTrace();
        }super.writeJson(list);
    }

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 List<Ztree> getMenusById(Ztree ztree)  Exception;
//接口

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"ztreeService"  ZtreeServiceImpl  List queryList(Ztree ztree) =" from Ztree where 1=1 "<String, Object> params =  HashMap<String, Object>(ztree.getId()!=+=" and id = :id ""id" List<Ztree> getMenusById(Ztree ztree) =" from Ztree where 1=1 "<String,Object> params= HashMap<String,Object>(ztree.getId()==||ztree.getId().equals(""+=" and pid is null "+= " and pid = :id ""id"<Ztree> queryZtree =<Ztree> list= ArrayList<Ztree>"true"  queryBoolean(Ztree ztree)  flag== " from Ztree where pid = :id "<String,Object> params= HashMap<String,Object>"id"<Ztree> queryZtree =(queryZtree!=&&queryZtree.size()>0=

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dao层就不用写了吧，只是一个查询，下面我把ztree的表字段附上