無限級別的菜單（側拉菜單）

2019-11-21 01:37:27

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>我的導航菜單_武林網</title> <style> body{ font-size:12px } </style> <script language="javascript"> //filter:shadow(color=#aaaaaa,direction=135) var itemsNum=0; var displayFlags = 'block'; function menu(menuId,menuWidth,menuHeight,menuTop,menuLeft,itemBranchNum,parentMenuId){ this.itemBranchs = new Array(); this.width=menuWidth; this.height=menuHeight; this.top=menuTop; this.left=menuLeft; this.itemBranchNum=itemBranchNum; this.parentMenuId=parentMenuId; this.displayFlags = displayFlags; //this.parenItemId=parenItemId; this.menuId=menuId; this.add = addItemBranch; this.writeMenu = writeMenu; this.setTop=setMenuTop; this.setLeft=setMenuLeft; this.setWidth=setMenuWidth; this.setHeight=setMenuHeight; itemsNum=0; } function setMenuTop(top){ this.top=top; } function setMenuLeft(left){ this.left=left } function setMenuWidth(width){ this.width=width } function setMenuHeight(height){ this.height=height } function addItemBranch(itemBranch){ this.itemBranchs[itemsNum] = itemBranch var cuttrutItemHeigt=(this.height)/this.itemBranchNum; var cuttrutItemWidth=this.width; var cuttrutItemTop=cuttrutItemHeigt*itemsNum-1; var cuttrutItemLeft=-1; itemBranch.setTop(cuttrutItemTop); itemBranch.setLeft(cuttrutItemLeft); itemBranch.setWidth(cuttrutItemWidth); itemBranch.setHeight(cuttrutItemHeigt); itemsNum++; //alert(itemBranch.top+"--"+itemBranch.left+"--"+itemBranch.width+"--"+itemBranch.height) //alert(this.itemBranchs.length) } function writeMenu(){ var menuWidth=this.width; var menuHeight=this.height; var menuTop=this.top; var menuLeft=this.left; var menuId=this.menuId; var parentMenuId = this.parentMenuId; var menuString = ''; menuString +='<div   class="iwvjtn8m0"   id="'+menuId+'" style="position:absolute; width:'+menuWidth+'px; height:'+menuHeight+'px; top:'+menuTop+'px; left:'+menuLeft+'px; display:'+this.displayFlags+'; background:#999999" onMouseOver="keepSubMenu(this,/''+parentMenuId+'/')" onmouseout="removeSubMenu(this,/''+parentMenuId+'/')">' var nums = this.itemBranchs.length; for (var i=0;i<nums;i++ ){ menuString += this.itemBranchs[i].writeItemBranch(); } menuString +='</div>' document.write(menuString); } function itemBranch(itemId,subMenuId,name,link,parentObj){ this.subMenu = new Object(); this.name=name; this.link=link; this.parentObj=parentObj; this.itemId=itemId; this.subMenuId=subMenuId; this.width=0; this.height=0; this.top=0; this.left=0; this.setTop=setItemTop; this.setLeft=setItemLeft; this.setWidth=setItemWidth; this.setHeight=setItemHeight; this.writeItemBranch = writeItemBranch; this.add = addSubMenu; } function writeItemBranch(){ var itemStr=''; var link=this.link; if(link==''){ itemStr+='<div   class="iwvjtn8m0"   id="'+this.itemId+'" style="position:absolute; width:'+this.width+'px; height:'+this.height+'px; top:'+this.top+'px; left:'+this.left+'px;border:1px solid #000000;background:#ffffff;cursor:hand;" onmouseover="showSubMenu(/''+this.subMenuId+'/')" onmouseout="hiddenSubMenu(/''+this.subMenuId+'/')">'; itemStr+='<span style="float:left; margin:5px">'+this.name+'</span>' itemStr+='<span style="float:right; margin:5px; font-family:Webdings">8</span>' itemStr+='</div>'; }else{ itemStr+='<div   class="iwvjtn8m0"   id="'+this.itemId+'" style="position:absolute; width:'+this.width+'px; height:'+this.height+'px; top:'+this.top+'px; left:'+this.left+'px;border:1px solid #000000;background:#009033">'; itemStr+='<span style="float:left; margin:5px"><a href="'+link+'">'+this.name+'</a></span>' itemStr+='</div>'; } return itemStr; } function showSubMenu(obj){ var objSubMenu = document.getElementById(obj).style; objSubMenu.display='block' } function hiddenSubMenu(obj){ document.getElementById(obj).style.display='none'; } function keepSubMenu(obj,parentId){ obj.style.display = 'block'; if(parentId!=''){ document.getElementById(parentId).style.display='block'; }else{ // } } function removeSubMenu(obj,parentId){ if(parentId==''){ // }else{ if(obj.id!="mainMain"){ obj.style.display = 'none'; } if(parentId!="mainMain"){ document.getElementById(parentId).style.display='none'; } } } function addSubMenu(subMenuObj){ this.subMenu = subMenuObj var top=this.parentObj.top+this.top; var width=subMenuObj.width; var left=this.parentObj.left+this.width; var height=subMenuObj.height; subMenuObj.displayFlags = 'none'; subMenuObj.setTop(top); subMenuObj.setLeft(left); subMenuObj.setWidth(width); subMenuObj.setHeight(height); subMenuObj.writeMenu(); //subMenuObj.style.diplay='none' //alert(left); //alert(subMenuObj.width) } function setItemTop(top){ this.top=top; } function setItemLeft(left){ this.left=left; } function setItemWidth(width){ this.width=width; } function setItemHeight(height){ this.height=height; } </script> </head> <body> <script language="javascript"> /* 建立菜單的規則，菜單的內容要一組一組的寫，要有順序。 例如： 先建立一個主菜單，menu是一個對象，在建立對象的時候，必須生成一個實例； 菜單實例里面有幾個參數，分別是：菜單的id、菜單的寬度（menuWidth）、菜單的高度（menuHeight）、 菜單的縱坐標（menuTop）、菜單的橫坐標（menuLeft）和含有子菜單的個數（這個的主要作用是將菜單的高度按子項平分， 最后把這個平分之后的值作為子項的高度） 注意：如果是主菜單，那么這四項就必須全部填寫。如果是子菜單，那么縱坐標和橫坐標可以填寫任意值 var mainMenu=new menu('',100,100,50,100,5); 菜單里面的子項也是一個對象，所以在添加之前也必須先生成實例。 子項的參數有itemId（子項的id）,subMenuId（添加子菜單的id）,name(子項顯示的名字),link（子項的連接）,parentObj（子項的父菜單的對象） */ var mainMain= new menu('mainMain',100,100,50,50,4,''); var itemBranch_1 = new itemBranch('itemBranch_1','subMenu_1','考試類','',mainMain);//********* itemBranch_1 var itemBranch_2 = new itemBranch('itemBranch_2','subMenu_2','娛樂類','',mainMain);//********** itemBranch_2 mainMain.add(itemBranch_1); mainMain.add(itemBranch_2); mainMain.add(new itemBranch('','','知識技能類','http://www.baidu.com',null)); mainMain.add(new itemBranch('','','交互類','http://www.baidu.com',null)); mainMain.writeMenu(); //二級菜單 var subMenu_1 = new menu('subMenu_1',100,100,50,50,4,'mainMain'); var itemBranch_3 = new itemBranch('itemBranch_3','subMenu_1_1','知識技能類','',subMenu_1)//************ itemBranch_3 subMenu_1.add(itemBranch_3); subMenu_1.add(new itemBranch('','','交互類','http://www.baidu.com',null)); subMenu_1.add(new itemBranch('','','知識技能類','//m.survivalescaperooms.com',null)); subMenu_1.add(new itemBranch('','','交互類','http://www.baidu.com',null)); itemBranch_1.add(subMenu_1); var subMenu_2 = new menu('subMenu_2',100,100,50,50,5,'mainMain'); subMenu_2.add(new itemBranch('','','知識技能類','http://www.baidu.com',null)); subMenu_2.add(new itemBranch('','','交互類','http://www.baidu.com',null)); subMenu_2.add(new itemBranch('','','知識技能類','http://www.baidu.com',null)); subMenu_2.add(new itemBranch('','','交互類','//m.survivalescaperooms.com',null)); subMenu_2.add(new itemBranch('','','交互類','http://www.baidu.com',null)); itemBranch_2.add(subMenu_2); //三級菜單 var subMenu_1_1 = new menu('subMenu_1_1',100,100,50,50,4,'subMenu_1'); subMenu_1_1.add(new itemBranch('','','知識技能類','http://www.baidu.com',null)); subMenu_1_1.add(new itemBranch('','','交互類','//m.survivalescaperooms.com',null)); subMenu_1_1.add(new itemBranch('','','知識技能類','http://www.baidu.com',null)); subMenu_1_1.add(new itemBranch('','','交互類','http://www.baidu.com',null)); itemBranch_3.add(subMenu_1_1); </script> </body> </html>

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