这是一款基于js模拟淘宝网的多级选择菜单代码，这款菜单是模拟淘宝网的，是很早时候的淘宝网，现在已经没有了，本款菜单可以像级联菜单那样一级一级的选择数据，最后确定出数据。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>模拟淘宝网菜单选择</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <style type="text/css" media="all"> body *{ font-size:14px; margin:0; padding:0; } #CategorySelector{ clear:both; width:778px; height:220px; background-color:#FFF; margin-bottom:8px; } #CategorySelector ul{ margin:0 3px 0 0; padding:0; border:1px solid #CCC; float:left; width:189px; height:218px; overflow:auto; } #CategorySelector ul.Blank{ background-color:#F6F6F6; } #CategorySelector li{ list-style-type:none; width:auto; height:20px; margin:0 1px !important; margin /**/:0 1px 0 -15px; padding:0; border:1px solid #FFF; line-height:20px; color:#444; text-indent:3px; cursor:default; } #CategorySelector li.Selected{ background-color:#CAFFC0; border:1px solid #0A9800; color:#006623; } #CategorySelector li.IsParent{ background-image:url(//img.jbzj.com/file_images/article/201508/201581893903737.gif); background-position:99% 50%; background-repeat:no-repeat; } #CategorySelector li.RecentUsed{ color:#170; } #CategoryTitle{ clear:both; width:778px; background-color:#FFF; } #CategoryTitle ul{ float:left; } #CategoryTitle li{ margin:0 3px 0 0; float:left; border:1px solid #CCC; width:189px; color:#0063C8; font-weight:bold; border-bottom:0px; height:23px; line-height:23px; } </style> </head> <body> <div> <ul> <li> 选择宝贝类别</li> <li> 选择游戏</li> <li> 选择游戏区域</li> <li> 选择服务器</li> </ul> </div> <div> <ul> </ul> <ul> </ul> <ul> </ul> <ul> </ul> </div> <script language="javascript" type="text/javascript"> Array.prototype.S = String.fromCharCode(2); Array.prototype.in_array = function(e) { var re = new RegExp(this.S+e+this.S); return re.test(this.S+this.join(this.S)+this.S); } function DataContent() { this.Parent; // Parent Tags this.ParentID; this.Children; // Children Tags this.ChildrenID; } function DataServer() { this.mList = new Array(); this.ListCount = function(){return this.mList.length;} this.GetListObj = function(n) { if (n<this.ListCount()) return this.mList[n]; return null; } this.Add = function(sParent,sParentID,sChildren,sChildrenID) { obj = new DataContent(); obj.Parent = sParent; obj.ParentID = sParentID; obj.Children = sChildren; obj.ChildrenID = sChildrenID; this.mList[this.ListCount()] = obj; } } function getTriggerNode(e) { return (document.all)?event.srcElement:e.target; } function getObject(objID) { return document.getElementById(objID); } function CreateList(objName,objData,objSelected) { var listBox = getObject(objName[0]); if(!listBox) return; var strOutput = ""; var liClass = ""; var id = 0; var op_txt = new Array(); var op_val = new Array(); var sub_val = new Array(); if (objSelected[0]) { for(i=0;i<objData.ListCount();i++) if(objData.GetListObj(i).ParentID==objSelected[0]) { id = i; break; } if(i==objData.ListCount()){ listBox.innerHTML=""; listBox.className="Blank"; return false; } } if(objName[1]) for(i=0;i<objName[1].ListCount();sub_val.push(objName[1].GetListObj(i++).ParentID)); tmpobj = objData.GetListObj(id); if (tmpobj.Children.length==0) { for(i=0;i<objData.ListCount();op_txt.push(objData.GetListObj(i).Parent),op_val.push(objData.GetListObj(i++).ParentID)); } else { op_txt = tmpobj.Children; op_val = tmpobj.ChildrenID; } for(i=0;i<op_txt.length;i++) { if(sub_val.in_array(op_val[i])) liClass = "IsParent"; if(op_val[i] == objSelected[1]){ liClass += " Selected"; } strOutput += '<li>'+op_txt[i]+'</li>'; liClass = ''; } listBox.innerHTML = strOutput; strOutput = ""; listBox.className=""; } function changeCategoryStyle(ulID,liCurr){ if(lastSelectItem[ulID]){ lastSelectItem[ulID].className=lastSelectItem[ulID].className.replace("Selected","").replace(/\s+$/,""); } liCurr.className += " Selected"; lastSelectItem[ulID] = liCurr; } function changeCategory(evnt) { var obj = getTriggerNode(evnt); var obj2 = obj; if(obj2.nodeName=="DIV") return (0); if(obj.nodeName != "LI") obj = obj.parentNode; while(obj2.nodeName != "UL") obj2 = obj2.parentNode; if(obj.nodeName != "LI") return; changeCategoryStyle(obj2.id,obj); var parentID = (obj.id).split("__")[1]; switch(obj2.id) { case itemtype: break; case gametype: CreateList([gamearea,gameserverData],gameareaData,[parentID,0]); break; case gamearea: CreateList([gameserver,],gameserverData,[parentID,0]); break; } } var cselect = "CategorySelector"; var itemtype = "Category_ItemType"; var gametype = "Category_GameType"; var gamearea = "Category_GameArea"; var gameserver = "Category_GameServer"; var lastSelectItem = {itemtype:new Object(),gametype:new Object(),gamearea:new Object(),gameserver:new Object()}; var itemtypeData = new DataServer(); itemtypeData.Add("武器",1,[],[]); itemtypeData.Add("防具",2,[],[]); var gametypeData = new DataServer(); gametypeData.Add("魔力宝贝",1,[],[]); gametypeData.Add("仙境传说",2,[],[]); var gameareaData = new DataServer(); gameareaData.Add("魔力宝贝",1,["天歇","牧羊"],[1,2]); gameareaData.Add("仙境传说",2,["上海","北京"],[3,4]); var gameserverData = new DataServer(); gameserverData.Add("天歇",1,["平顶","山顶"],[1,2]); gameserverData.Add("牧羊",2,["平顶2","山顶2"],[3,4]); //gameserverData.Add("上海",3,["sfdsadfas","sdf"],[5,6]); gameserverData.Add("北京",4,["asdf","asdff"],[7,8]); CreateList([itemtype,],itemtypeData,[0,0]); CreateList([gametype,gameareaData],gametypeData,[0,0]); getObject(cselect).onclick = changeCategory; </script> </body> </html>