javascript入门 之 ztree(七 结点的查询)

<!DOCTYPE html>
<HTML>
<HEAD>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <script type="text/javascript" src="js/jquery-3.3.1.js"></script>
    <link rel="stylesheet" href="bower_components/ztree/css/zTreeStyle/demo.css" type="text/css">
    <link rel="stylesheet" href="bower_components/ztree/css/zTreeStyle/zTreeStyle.css" type="text/css">
    <script type="text/javascript" src="bower_components/ztree/js/jquery-1.4.4.min.js"></script>
    <script type="text/javascript" src="bower_components/ztree/js/jquery.ztree.core-3.5.js"></script>
    <SCRIPT type="text/javascript">

        var setting = {
            data: {
                key: {
                    title: "t"
                },
                simpleData: {
                    enable: true
                }
            },
            view: {
                fontCss: getFontCss
            }
        };

        var nodes =[
            { id:1, pId:0, name:"2", t:"id=1", open:true},
            { id:11, pId:1, name:"22", t:"id=11"},
            { id:12, pId:1, name:"24", t:"id=12"},
            { id:13, pId:1, name:"26", t:"id=13"},
            { id:14, pId:1, name:"28", t:"id=14"},
            { id:2, pId:0, name:"节点搜索演示 2", t:"id=2", open:true},
            { id:21, pId:2, name:"可以只搜索一个节点", t:"id=21"},
            { id:22, pId:2, name:"可以搜索节点集合", t:"id=22"},
            { id:23, pId:2, name:"搜我吧", t:"id=23"},
            { id:3, pId:0, name:"节点搜索演示 3", t:"id=3", open:true },
            { id:31, pId:3, name:"我的 id 是: 31", t:"id=31"},
            { id:32, pId:31, name:"我的 id 是: 32", t:"id=32"},
            { id:33, pId:32, name:"我的 id 是: 33", t:"id=33"}
        ];

        function focusKey(e) {
            if (key.hasClass("empty")) {
                key.removeClass("empty");
            }
        }
        function blurKey(e) {
            if (key.get(0).value === "") {
                key.addClass("empty");
            }
        }
        var lastValue = "", nodeList = [], fontCss = {};
        function clickRadio(e) {
            lastValue = "";
            searchNode(e);
        }
        function searchNode(e) {

            var zTree = $.fn.zTree.getZTreeObj("sys");

            if (!$("#getNodesByFilter").attr("checked")) {
                                                                                        //如果被选中getNodesByFilter方法

                var value = $.trim(key.get(0).value);
                                                                                        //得到搜索框中的值,传给value
                var keyType = "";
                                                                                        //初始化查询条件

                if ($("#name").attr("checked")) {
                    keyType = "name";
                } else if ($("#level").attr("checked")) {
                    keyType = "level";
                    value = parseInt(value);
                } else if ($("#id").attr("checked")) {
                    keyType = "id";
                    value = parseInt(value);
                                                                                        //如果是根据level和id查的则强制转换为int类型
                }

                if (key.hasClass("empty")) {
                                                                                        //如果搜索框为空,则value为空
                    value = "";
                }

                if (lastValue === value) return;
                lastValue = value;
                                                                                        //如果查询值不变,则直接返回下次结果

                if (value === "") return;
                updateNodes(false);

                if ($("#getNodeByParam").attr("checked")) {
                                                                                        //如果被选中getNodesByParam方法

                    var node = zTree.getNodeByParam(keyType, value);                    //把指定的了结点(查到的第一个)给node

                    if (node === null) {

                        nodeList = [];
                    } else {

                        nodeList = [node];
                    }

                } else if ($("#getNodesByParam").attr("checked")) {

                    nodeList = zTree.getNodesByParam(keyType, value);
                                                                                        //把指定的结点给nodeList

                } else if ($("#getNodesByParamFuzzy").attr("checked")) {                //模糊查询

                    nodeList = zTree.getNodesByParamFuzzy(keyType, value);
                }

            } else {

                updateNodes(false);
                nodeList = zTree.getNodesByFilter(filter);
            }

            updateNodes(true);

        }
        function updateNodes(highlight) {                                       //如果结点数据变了,则动态更新所有ztree结点数据

            var zTree = $.fn.zTree.getZTreeObj("sys");

            for( var i=0, l=nodeList.length; i<l; i++) {

                nodeList[i].highlight = highlight;                              // 高亮显示查到的结果
                zTree.updateNode(nodeList[i]);
            }
        }

        function getFontCss(treeId, treeNode) {

            return (!!treeNode.highlight) ? {color:"#A60000", "font-weight":"bold"} : {color:"#333", "font-weight":"normal"};
        }

        function filter(node) {                                                 //过滤器
            return !node.isParent && node.isFirstNode;
        }

        var key;
        $(document).ready(function(){
            $.fn.zTree.init($("#sys"), setting, nodes);

            key = $("#key");
            key .bind("focus", focusKey)
                .bind("blur", blurKey)
                .bind("propertychange", searchNode)
                .bind("input", searchNode);

            $("#name").bind("change", clickRadio);
            $("#level").bind("change", clickRadio);
            $("#id").bind("change", clickRadio);

            $("#getNodeByParam").bind("change", clickRadio);
            $("#getNodesByParam").bind("change", clickRadio);
            $("#getNodesByParamFuzzy").bind("change", clickRadio);
            $("#getNodesByFilter").bind("change", clickRadio);
        });

    </SCRIPT>
</HEAD>

<BODY>
<div class="content_wrap">

    <div class="zTreeDemoBackground left">
        <ul id="sys" class="ztree"></ul>
    </div>

    <div class="right">
        <ul class="list">
            <input type="text" id="key" value="" class="empty" /><br/>
            <!--搜索框-->

            <input type="radio" id="name" name="keyType" class="radio" checked /><span>name</span><br/>
            <!--搜索依据-->

            <input type="radio" id="level" name="keyType" class="radio" /><span>level</span><br/>
            <input type="radio" id="id" name="keyType" class="radio" /><span>id</span><br/>

            <input type="radio" id="getNodeByParam"       name="funType" class="radio"         /><span>getNodeByParam</span><br/>
            <input type="radio" id="getNodesByParam"      name="funType" class="radio"         /><span>getNodesByParam</span><br/>
            <input type="radio" id="getNodesByParamFuzzy" name="funType" class="radio" checked /><span>getNodesByParamFuzzy </span><br/>
            <input type="radio" id="getNodesByFilter"     name="funType" class="radio"         /><span>getNodesByFilter</span><br/>


        </ul>
    </div>
</div>
</BODY>
</HTML>
原文地址:https://www.cnblogs.com/viplanyue/p/12700648.html