javascript - 未捕获的类型错误 : Cannot read property 'init' of undefined on zTree_v3 library

Question

我在使用 zTree 库时遇到问题。这是我的代码

<script type="text/javascript" src="<?php echo base_url()?>asset/js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="<?php echo base_url()?>asset/js/jquery.ztree.core-3.5.js"></script>
<SCRIPT type="text/javascript">
    <!--
    var setting = {
        data: {
            simpleData: {
                enable: true
            }
        }
    };

    var zNodes =[
        { id:1, pId:0, name:"Custom Icon 01", open:true, iconOpen:"<?php echo base_url()?>asset/img/diy/1_open.png", iconClose:"<?php echo base_url()?>asset/img/diy/1_close.png"},
        { id:11, pId:1, name:"leaf node 01", icon:"<?php echo base_url()?>asset/img/diy/2.png"},
        { id:12, pId:1, name:"leaf node 02", icon:"<?php echo base_url()?>asset/img/diy/2.png"},
        { id:13, pId:1, name:"leaf node 03", icon:"<?php echo base_url()?>asset/img/diy/2.png"},
        { id:2, pId:0, name:"Custom Icon 02", open:true, iconOpen:"<?php echo base_url()?>asset/img/diy/1_open.png", iconClose:"<?php echo base_url()?>asset/img/diy/1_close.png"},
        { id:21, pId:2, name:"leaf node 01", icon:"<?php echo base_url()?>asset/img/diy/8.png"},
        { id:22, pId:2, name:"leaf node 02", icon:"<?php echo base_url()?>asset/img/diy/8.png"},
        { id:23, pId:2, name:"leaf node 03", icon:"<?php echo base_url()?>asset/img/diy/8.png"}

    ];

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

我收到一些错误，例如

Uncaught TypeError: Cannot read property 'init' of undefined (anonymous function) b.extend.ready u

请帮帮我，我该如何解决这个问题？谢谢

Answer 1

出现这种情况是因为在多个地方包含了 js。我在我的门户页面中遇到了同样的问题，其中很多地方都包含 jquery-1.4.4.min.js 和 jquery.ztree.core-3.5.js。

我通过从该页面上的所有 portlet 中删除对 j​​s 的所有引用并按照给定顺序在 theme/_diff/portal_noraml.vm 中全局添加这些 js 来解决此问题。