src/main/resources/templates/system/dept/tree.html

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<!DOCTYPE html>
<html lang="zh" xmlns:th="http://www.thymeleaf.org" >
<meta charset="utf-8">
<head th:include="include :: header"></head>
<link th:href="@{/ajax/libs/jquery-ztree/3.5/css/metro/zTreeStyle.css}" rel="stylesheet"/>
<style>
body{height:auto;font-family: "Microsoft YaHei";}
button{font-family: "SimSun","Helvetica Neue",Helvetica,Arial;}
</style>
<body class="hold-transition box box-main">
	<input id="treeId"   name="treeId"    type="hidden"/>
	<input id="treeName" name="treeName"  type="hidden" th:value="${treeName}"/>
	<div class="wrapper"><div class="treeShowHideButton" onclick="search();">
		<label id="btnShow" title="显示搜索" style="display:none;">︾</label>
		<label id="btnHide" title="隐藏搜索">︽</label>
	</div>
	<div class="treeSearchInput" id="search">
		<label for="keyword">关键字：</label><input type="text" class="empty" id="keyword" maxlength="50">
		<button class="btn" id="btn" onclick="searchNode()"> 搜索 </button>
	</div>
	<div class="treeExpandCollapse">
		<a href="javascript:" id="btnExpand">展开</a> /
		<a href="javascript:" id="btnCollapse">折叠</a>
	</div>
	<div id="tree" class="ztree treeselect"></div>
	</div>
	<div class="layui-layer-btn">
		<a class="layui-layer-btn0" th:onclick="'javascript:loadObj()'"><i class="fa fa-check"></i> 确定</a>
		<a class="layui-layer-btn1" onclick="$.modal.close()"><i class="fa fa-close"></i> 关闭</a>
	</div>
	<div th:include="include::footer"></div>
	<script th:src="@{/ajax/libs/jquery-ztree/3.5/js/jquery.ztree.all-3.5.js}"></script>
	<script th:inline="javascript">
		// 树结构初始化加载
		var setting = {view:{selectedMulti:false},data:{key:{title:"title"},simpleData:{enable:true}},
			callback:{onClick:function(event, treeId, treeNode){
				var treeId = treeNode.id;
				var treeName = treeNode.name;
				$("#treeId").val(treeId);
				$("#treeName").val(treeName);
			}}
		}, tree, loadTree = function(){
			$.get(ctx + "system/dept/treeData", function(data) {
				var treeName = $("#treeName").val();
			    tree = $.fn.zTree.init($("#tree"), setting, data);
			    // 展开第一级节点
			    var nodes = tree.getNodesByParam("level", 0);
			    for (var i = 0; i < nodes.length; i++) {
			        tree.expandNode(nodes[i], true, false, false);
			        selectCheckNode(treeName,nodes[i]);
			    }
			    // 展开第二级节点
			    nodes = tree.getNodesByParam("level", 1);
			    for (var i = 0; i < nodes.length; i++) {
			        tree.expandNode(nodes[i], true, false, false);
			        selectCheckNode(treeName,nodes[i]);
			    }
			    // 展开第二级节点
			    nodes = tree.getNodesByParam("level", 2);
			    for (var i = 0; i < nodes.length; i++) {