ztree 3.5提供了复选/单选树形，这里补充个单选/复选树形，在ztree3.5 demo上加到页面，纯属交流，废话结束，DEMO下载后打开dmo/cn下的index.html,在组合功能演示/radio_checkbox共存下看效果，下载地址：
http://dl5.youkuaiyun.com/fd.php?i=603350980625868&s=826a4a285474d2372196962791a5fb45
，
效果如下：
代码如下：
<!DOCTYPE html>
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - radio&checkbox </TITLE>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="../../../css/demo.css" type="text/css">
<link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
<!-- <script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>-->
<SCRIPT type="text/javascript">
<!--
//定义全局zTree,用于使用zTree.getNodesByParam("checked", true, null);取得选择节点
var zTree;
var IDMark_A = "_a";
var setting = {
view: {
addDiyDom: addDiyDom
},
data: {
simpleData: {
enable: true
}
}
};
var zNodes =[
{ id:1, pId:0, name:"父节点 1", open:true},
{ id:11, pId:1, name:"叶子节点 1-1"},
{ id:12, pId:1, name:"叶子节点 1-2"},
{ id:13, pId:1, name:"叶子节点 1-3"},
{ id:2, pId:0, name:"父节点 2", open:true},
{ id:21, pId:2, name:"叶子节点 2-1"},
{ id:22, pId:2, name:"叶子节点 2-2"},
{ id:23, pId:2, name:"叶子节点 2-3"},
{ id:3, pId:0, name:"父节点 3", open:true},
{ id:31, pId:3, name:"叶子节点 3-1"},
{ id:32, pId:3, name:"叶子节点 3-2"},
{ id:33, pId:3, name:"叶子节点 3-3"}
];
//判断节点是否在已选择的节点中，判断重复选择
function isNodeInChecked(curId){
if(zTree==null){
return false;
}
var selectedNodes=zTree.getNodesByParam("checked", true, null);
var selectedNode;
if(selectedNodes == null || selectedNodes.length==0){
return false;
}
for(var i=0; i<selectedNodes.length;i++){
selectedNode = selectedNodes[i];
if(selectedNode.id==curId){
return true;
}
}
return false;
}
//自定义的树形规则
function addDiyDom(treeId, treeNode) {
var aObj = $("#" + treeNode.tId + IDMark_A);
if (treeNode.level == 0) {
var editStr = "<input type='radio' class='radioBtn' id='radio_" +treeNode.id+"_"+treeNode.pId+"' οnfοcus='this.blur();'></input>";
aObj.before(editStr);
var btn = $("#radio_"+treeNode.id+"_"+treeNode.pId);
if (btn) {
btn.bind("click", function() {checkAccessories(treeNode, btn);});
}
} else {
var editStr = "<input type='checkbox' class='checkboxBtn' id='checkbox_" +treeNode.id+"_"+treeNode.pId+ "' name='checkbox_"+treeNode.getParentNode().id+"_"+treeNode.pId+ "' οnfοcus='this.blur();'></input>";
aObj.before(editStr);
var btn = $("#checkbox_"+treeNode.id+"_"+treeNode.pId);
if (btn){
btn.bind("change", function() {checkBrand(treeNode, btn);});
var isNodeInChecked = false;
var selectedNodes=null;
if(zTree!=null){
selectedNodes = zTree.getNodesByParam("checked", true, null);
}
var selectedNode;
//初始化时判断是否需要选择，这里可以去掉或者通过在zNodes中定义中添加checked:true来代替
if(selectedNodes != null && selectedNodes.length > 0){
for(var i=0; i<selectedNodes.length;i++){
selectedNode = selectedNodes[i];
if(selectedNode.id==treeNode.pId){
isNodeInChecked = true;
break;
}
}
}
if(isNodeInChecked){
treeNode.checked=true;
btn.attr("checked", true);
}
}
}
}
function checkAccessories(treeNode, btn) {
if (btn.attr("checked")) {
//点击的节点是否在已选的根节点中
var isRootInChecked = isNodeInChecked(treeNode.id);
if(!isRootInChecked){
//去除其余根节点以及下级节点的选择
beforeCheckAccessories();
}
treeNode.checked=true;
//节点下所有节点都勾选
setChildSelected(treeNode, btn,true);
} else {
treeNode.checked=false;
setChildSelected(treeNode, btn,false);
}
}
function setChildSelected(treeNode, btn,status){
var children;
if(treeNode.children==null){
return true;
}
var lenth=treeNode.children.length;
if(lenth==0){
return true;
}
for(var i=0;i<lenth;i++){
children = treeNode.children[i];
$("#checkbox_" + children.id+"_"+children.pId).attr("checked", status);
children.checked=status;
btn = $("#checkbox_"+children.id+"_"+children.pId);
rls = setChildSelected(children, btn,status);
if(rls){
continue;
}
}
}
function beforeCheckAccessories() {
var selectedNodes=null;
if(zTree!=null){
selectedNodes = zTree.getNodesByParam("checked", true, null);
}
var selectedNode;
if(selectedNodes == null || selectedNodes.length == 0){
return;
}
for(var i=0; i<selectedNodes.length;i++){
selectedNode = selectedNodes[i];
selectedNode.checked=false;
$("#radio_" + selectedNode.id+"_"+selectedNode.pId).attr("checked", false);
$("#checkbox_" + selectedNode.id+"_"+selectedNode.pId).attr("checked", false);
}
}
function getCheckedBox(checkedName) {
var r = document.getElementsByName(checkedName);
for(var i=0; i<r.length; i++) {
if(r[i].checked) {
return $(r[i]);
}
}
return null;
}
function checkBrand(treeNode, btn) {
if (btn.attr("checked")) {
var isRootInChecked = isNodeInChecked(treeNode.rootId);
if(!isRootInChecked){
beforeCheckAccessories();
treeNode.checked=true;
}
setParentNodeChecked(treeNode);
setChildSelected(treeNode,btn,true);
}else{
treeNode.checked=false;
setChildSelected(treeNode,btn,false);
}
}
//复选框勾选时，将上级节点到根节点都勾选
function setParentNodeChecked(treeNode) {
var parentNode;
if(treeNode==null){
return true;
}
if(treeNode.getParentNode()!=null){
parentNode = treeNode.getParentNode();
$("#checkbox_" + parentNode.id+"_"+parentNode.pId).attr("checked", true);
parentNode.checked=true;
return setParentNodeChecked(parentNode);
}else{
var pObj = $("#radio_" + treeNode.id+"_"+treeNode.pId);
if (!pObj.attr("checked")) {
treeNode.checked=true;
pObj.attr("checked", true);
}
return true;
}
}
$(document).ready(function(){
zTree = $.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
//-->
</SCRIPT>
<style type="text/css">
.radioBtn {height: 16px;vertical-align: middle;}
.checkboxBtn {vertical-align: middle;margin-right: 2px;}
</style>
</HEAD>
<BODY>
<h1>radio / checkbox 共存</h1>
<h6>[ 文件路径: super/radio_checkbox.html ]</h6>
<div class="content_wrap">
<div class="zTreeDemoBackground left">
<ul id="treeDemo" class="ztree"></ul>
</div>
<div class="right">
<ul class="info">
<li class="title"><h2>实现方法说明</h2>
<ul class="list">
<li>zTree 默认的 radio checkbox和是无法共存的，但可以利用 自定义控件 的功能实现此需求，具体需求可以参考 "添加 自定义控件" 的详细说明</li>
<li class="highlight_red">对于radio /checkbox 的联动规则，请根据需求制定自己的规则</li>
</ul>
</li>
</ul>
</div>
</div>
</BODY>
</HTML>
结束语：ztree 3.5比以前的版本的响应速度快了很多，自定义的树形功能也很方便，很容易集成到现有框架中，好东东呀
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