效果图：
代码：
<!DOCTYPE html>
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - addNodes / editName / removeNode / removeChildNodes</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.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.excheck.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>
<SCRIPT type="text/javascript">
<!--
var setting = {
view: {
selectedMulti: false
},
edit: {
enable: true,
showRemoveBtn: false,
showRenameBtn: false
},
data: {
keep: {
parent:true,
leaf:true
},
simpleData: {
enable: true
}
},
callback: {
beforeDrag: beforeDrag,
beforeRemove: beforeRemove,
beforeRename: beforeRename,
onRemove: onRemove
}
};
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"}
];
var log, className = "dark";
function beforeDrag(treeId, treeNodes) {
return false;
}
function beforeRemove(treeId, treeNode) {
className = (className === "dark" ? "":"dark");
showLog("[ "+getTime()+" beforeRemove ] " + treeNode.name);
return confirm("确认删除 节点 -- " + treeNode.name + " 吗？");
}
function onRemove(e, treeId, treeNode) {
showLog("[ "+getTime()+" onRemove ] " + treeNode.name);
}
function beforeRename(treeId, treeNode, newName) {
if (newName.length == 0) {
alert("节点名称不能为空.");
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
setTimeout(function(){zTree.editName(treeNode)}, 10);
return false;
}
return true;
}
function showLog(str) {
if (!log) log = $("#log");
log.append("<li class='"+className+"'>"+str+"</li>");
if(log.children("li").length > 8) {
log.get(0).removeChild(log.children("li")[0]);
}
}
function getTime() {
var now= new Date(),
h=now.getHours(),
m=now.getMinutes(),
s=now.getSeconds(),
ms=now.getMilliseconds();
return (h+":"+m+":"+s+ " " +ms);
}
var newCount = 1;
function add(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
isParent = e.data.isParent,
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (treeNode) {
treeNode = zTree.addNodes(treeNode, {id:(100 + newCount), pId:treeNode.id, isParent:isParent, name:"new node" + (newCount++)});
} else {
treeNode = zTree.addNodes(null, {id:(100 + newCount), pId:0, isParent:isParent, name:"new node" + (newCount++)});
}
if (treeNode) {
zTree.editName(treeNode[0]);
} else {
alert("叶子节点被锁定，无法增加子节点");
}
};
function edit() {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (nodes.length == 0) {
alert("请先选择一个节点");
return;
}
zTree.editName(treeNode);
};
function remove(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (nodes.length == 0) {
alert("请先选择一个节点");
return;
}
var callbackFlag = $("#callbackTrigger").attr("checked");
zTree.removeNode(treeNode, callbackFlag);
};
function clearChildren(e) {
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
nodes = zTree.getSelectedNodes(),
treeNode = nodes[0];
if (nodes.length == 0 || !nodes[0].isParent) {
alert("请先选择一个父节点");
return;
}
zTree.removeChildNodes(treeNode);
};
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
$("#addParent").bind("click", {isParent:true}, add);
$("#addLeaf").bind("click", {isParent:false}, add);
$("#edit").bind("click", edit);
$("#remove").bind("click", remove);
$("#clearChildren").bind("click", clearChildren);
});
//-->
</SCRIPT>
</HEAD>
<BODY>
<h1>用 zTree 方法 增 / 删 / 改 节点</h1>
<h6>[ 文件路径: exedit/edit_fun.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>1、addNodes / editName / removeNode / removeChildNodes 方法操作说明</h2>
<ul class="list">
<li>利用 addNodes / editName / removeNode / removeChildNodes 方法也可以实现 增 / 删 / 改 节点的目的，这里简单演示使用方法</li>
<li>cancelEditName 方法仅仅是在节点进入名称编辑状态时有效，请在必要时使用，Demo 不进行此方法的演示</li>
<li class="highlight_red">利用 setting.data.keep.parent / leaf 属性 实现了父节点、叶子节点的状态锁定</li>
<li><p>对节点进行 增 / 删 / 改，试试看：<br/>
<input type="checkbox" id="callbackTrigger" checked /> removeNode 方法是否触发 callback<br/>
[ <a id="addParent" href="#" title="增加父节点" onclick="return false;">增加父节点</a> ]
[ <a id="addLeaf" href="#" title="增加叶子节点" onclick="return false;">增加叶子节点</a> ]
[ <a id="edit" href="#" title="编辑名称" onclick="return false;">编辑名称</a> ]<br/>
[ <a id="remove" href="#" title="删除节点" onclick="return false;">删除节点</a> ]
[ <a id="clearChildren" href="#" title="清空子节点" onclick="return false;">清空子节点</a> ]<br/>
remove log:<br/>
<ul id="log" class="log"></ul></p>
</li>
<li class="highlight_red">使用 zTreeObj.addNodes / cancelEditName / editName / removeNode / removeChildNodes 方法，详细请参见 API 文档中的相关内容</li>
</ul>
</li>
<li class="title"><h2>2、setting 配置信息说明</h2>
<ul class="list">
<li>同 "基本 增 / 删 / 改 节点"</li>
<li class="highlight_red">保持 父 / 叶子 节点状态，需要设置 setting.data.keep.parent / leaf 属性，详细请参见 API 文档中的相关内容</li>
</ul>
</li>
<li class="title"><h2>3、treeNode 节点数据说明</h2>
<ul class="list">
<li>同 "基本 增 / 删 / 改 节点"</li>
</ul>
</li>
</ul>
</div>
</div>
</BODY>
</HTML>
