$("#domaincatalog").tree({url: 'http://www.cnblogs.com/Ajax/sys/DomainService.ashx?Method=GetAllDomain',method: "post",//onlyLeafCheck: true,//只有根节点才能被选中animate: false,onClick: function (node) {if (node.state == undefined) {alert("this is leaf");}//初始化右侧页面数据var domainID = "0"; //默认是根域0var node = $("#domaincatalog").tree('getSelected'); //获取树选中的节点if (node) {domainID = node.id;}this.formId = "#form_center"; //注意这里设置formID的时候 一定要加上#this.url = "http://www.cnblogs.com/Ajax/sys/DomainService.ashx?Method=Save";if (domainID != "0") {initTool.initDetails(domainID);}else {$.messager.show({title: '系统消息',msg: '根域无法查询....'});}},});

onLoadSuccess: function (node, data) {//数据加载完成事件var rootNode = data[0].children[0];if (rootNode) {//alert(rootNode.id);}var rootNode = $("#domainTree").tree("getRoot"); //获取根节点$("#domainTree").tree("select",rootNode.target);//根节点 被选中,选中的同时也是执行了点击的事件}

link href="/Easyui3c/themes/icon.css" rel="stylesheet" type="text/css" />//检索树的节点$("#btnSearchTree").click(function () {var key = $.trim($("#txtKeyword").val());if (key.length > 0) {//遍历树的所有的节点,span标签的class属性包含tree-title的element元素$("span[class*='tree-title']").each(function (i, data) {var text = $(this).html().toString();if (text.indexOf(key) != -1) {$(this).addClass("highlight");}else {$(this).removeClass("highlight");}});}else {$("span[class*='tree-title']").each(function (i, data) {if ($(this).hasClass("highlight")) {$(this).removeClass("highlight");}});}});<style type="text/css">.highlight{font-weight:bold;color:Red;}
</style>&nbsp;&nbsp;<input id="txtKeyword" type="text" style="height:20px;line-height:20px;width:120px;" /><a href="#" id="btnSearchTree" class="easyui-linkbutton" iconcls="icon-search" plain="true">搜索</a>     $('#menutree').tree('expandAll'); //展开所有的节点才能提供给前台 节点搜索的功能！-----wjw 2014年1月7日9:46:32//更新子节点的数量$("#menutree > li > div[class*='tree-node']").each(function (i, data) {var nodeCount = $(this).next().children("li").length;var old = $(this).children("span[class*='tree-title']").html().toString();var str = "";if (old.indexOf("(") != -1) {var bracket = old.indexOf("(");str = old.substring(0, bracket);}else {str = old;}$(this).children("span[class*='tree-title']").html(str + "(" + nodeCount + ")");});

var nodes = $('#tt').tree('getChecked');    // get checked nodes
var nodes = $('#tt').tree('getChecked', 'unchecked');    // 获取未选择节点
var nodes = $('#tt').tree('getChecked', 'indeterminate');    // 获取不确定的节点
译者注：(1.3.4新增获取方式)var nodes = $('#tt').tree('getChecked', ['unchecked','indeterminate']);

 $.ajax({url: 'RoleService.ashx?Method=RoleSetMenu&roleID=' + roleid,async: true, //非异步 即同步dataType: "json",success: function (data) {if (data) {$.each(data, function (index, row) {var node = $('#tree_menu').tree('find', row.GC013_MENUID);//**先根据ID查找节点********//判断当前节点是否有子节点，如果有则不绑定了。父亲节点会根据子节点绑定情况自己状态改变var children = $("#tree_menu").tree('getChildren', node.target);if (children.length == 0) {log3c("绑定节点：" + row.GC013_MENUID);$('#tree_menu').tree('check', node.target);}});}},error: function () {log3c("读取角色拥有的菜单错误。。。。。");}});

 onLoadSuccess: function (node, data) {//数据加载完成事件if (data.length > 0) {var rootNode = data[0];if (rootNode) {var node1 = $('#Tree_Contract').tree('find', rootNode.children[0].id);$('#Tree_Contract').tree('select', node1.target);}}}