ztree顶级节点不具备删除按钮其下子节点具备
ztree顶级节点不具备删除按钮其下子节点具备，需要设置showRemoveBtn: setRemoveBtn
edit: {
????enable: true,
????showRemoveBtn: setRemoveBtn,
}
?
function setRemoveBtn(treeId, treeNode) {
????? //判断为顶级节点则不显示删除按钮
????? if(treeNode.level == 0)
??????????? return false;
??????????? else
?????????????? return true;
??????????????
??????? }
?
<!DOCTYPE html><HTML><HEAD><TITLE> ztree仅并列同级进行推拽(同一个组织下不同部门排序拖拽)</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" style="max-width: 100%;height: auto;width: auto\9;" src="http://www.reader8.com/../js/jquery-1.4.4.min.js"></script><script type="text/javascript" style="max-width: 100%;height: auto;width: auto\9;" src="http://www.reader8.com/../js/jquery.ztree.core-3.1.js"></script> <script type="text/javascript" style="max-width: 100%;height: auto;width: auto\9;" src="http://www.reader8.com/../js/jquery.ztree.excheck-3.1.js"></script><script type="text/javascript" style="max-width: 100%;height: auto;width: auto\9;" src="http://www.reader8.com/../js/jquery.ztree.exedit-3.1.js"></script><SCRIPT type="text/javascript"><!--var dragId;var setting = {view: {addHoverDom: addHoverDom,removeHoverDom: removeHoverDom,selectedMulti: false},edit: {enable: true,showRemoveBtn: setRemoveBtn,drag: { prev: true, next: true, inner: false },editNameSelectAll: true},data: {simpleData: {enable: true}},callback: {beforeDrag: beforeDrag,beforeEditName: beforeEditName,beforeRemove: beforeRemove,beforeRename: beforeRename,onRemove: onRemove,onRename: onRename,beforeDrag: beforeDrag,beforeDrop: beforeDrop}}; var zNodes =[{ id:1, pId:0, name:"总公司", open:true, iconSkin:"pIcon01"},{ id:2, pId:1, name:"一分公司", open:true, iconSkin:"pIcon02"},{ id:3, pId:2, name:"总经办", open:true, iconSkin:"pIcon02"},{ id:4, pId:3, name:"总经理", open:true, iconSkin:"pIcon01"},{ id:5, pId:4, name:"研发经理", open:true, iconSkin:"pIcon01"},{ id:6, pId:5, name:"研发部", iconSkin:"icon01"},{ id:7, pId:3, name:"销售经理"},{ id:8, pId:3, name:"售后经理"},{ id:9, pId:1, name:"二分公司",open:true, iconSkin:"icon02"}]; var log, className = "dark";function beforeDrag(treeId, treeNodes) {return false;}function beforeEditName(treeId, treeNode) {className = (className === "dark" ? "":"dark");showLog("[ "+getTime()+" beforeEditName ] " + treeNode.name);var zTree = $.fn.zTree.getZTreeObj("treeDemo");zTree.selectNode(treeNode);return true;}function beforeRemove(treeId, treeNode) {className = (className === "dark" ? "":"dark");showLog("[ "+getTime()+" beforeRemove ] " + treeNode.name);var zTree = $.fn.zTree.getZTreeObj("treeDemo");zTree.selectNode(treeNode);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) {className = (className === "dark" ? "":"dark");showLog("[ "+getTime()+" beforeRename ] " + treeNode.name);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 onRename(e, treeId, treeNode) {showLog("[ "+getTime()+" onRename ] " + treeNode.name);}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 addHoverDom(treeId, treeNode) {var sObj = $("#" + treeNode.tId + "_span");if (treeNode.editNameFlag || $("#addBtn_"+treeNode.id).length>0) return;var addStr = "<button type='button' class='add' id='addBtn_" + treeNode.id+ "' title='add node' onfocus='this.blur();'></button>";sObj.append(addStr);var btn = $("#addBtn_"+treeNode.id);if (btn) btn.bind("click", function(){var zTree = $.fn.zTree.getZTreeObj("treeDemo");zTree.addNodes(treeNode, {id:(100 + newCount), pId:treeNode.id, name:"new node" + (newCount++)});return false;});}function setRemoveBtn(treeId, treeNode) { if(treeNode.level == 0) return false; else return true; } function removeHoverDom(treeId, treeNode) {$("#addBtn_"+treeNode.id).unbind().remove();};function beforeDrag(treeId, treeNodes) {for (var i=0,l=treeNodes.length; i<l; i++) { dragId = treeNodes[i].pId;if (treeNodes[i].drag === false) {return false;}}return true;}function beforeDrop(treeId, treeNodes, targetNode, moveType) { if(targetNode.pId == dragId){ return true; }else{ return false; }}function selectAll() {var zTree = $.fn.zTree.getZTreeObj("treeDemo");zTree.setting.edit.editNameSelectAll = $("#selectAll").attr("checked");};$(document).ready(function(){$.fn.zTree.init($("#treeDemo"), setting, zNodes);$("#selectAll").bind("click", selectAll);});--></SCRIPT><style type="text/css">.ztree li button.pIcon01_ico_open{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/1_open.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.pIcon01_ico_close{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/1_close.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.pIcon02_ico_open, .ztree li button.pIcon02_ico_close{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/2.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.icon01_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/3.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.icon02_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/4.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.icon03_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/5.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.icon04_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/6.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.icon05_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/7.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.icon06_ico_docu{margin-right:2px; background: url(../../../css/zTreeStyle/img/diy/8.png) no-repeat scroll 0 0 transparent; vertical-align:top; *vertical-align:middle}.ztree li button.add {margin-left:2px; margin-right: -1px; background-position:-144px 0; vertical-align:top; *vertical-align:middle}</style> </HEAD><BODY><div style="height:500px;"><ul id="treeDemo" class="ztree"></ul></div></BODY></HTML>?