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>
