回首望，曾经洋洋得意的代码现在不忍直视。曾经看起来碉堡的效果现在也能稍微弄点出来。社会在往前发展，人也不得不向前走。
参考于搜狗浏览器4.2版本首页的上下滚动效果。主要实现整个窗口的上下和左右滚动逻辑，还有很多可以拓展的空间。希望大家能多提意见与建议。
代码如下:
HTML
<!doctype html><html><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta content="" name="keywords" /><meta content="" name="description" /><meta name="author" content="codetker" /><head><title>window对象滚动插件</title><link href="style/reset.css" rel="stylesheet" type="text/css"><link href="style/style.css" rel="stylesheet" type="text/css"><script type="text/javascript" src="js/jquery-1.9.1.min.js"></script><script type="text/javascript" src="js/jquery.codetker.windowScroll.js"></script></head><body scroll="no"> <div class="wrap" style="dispaly:block;"> <div class="stageControl"> <ul> <li>stage1</li> <li>stage2</li> <li>stage3</li> <li>stage4</li> <li>stage5</li> </ul> </div> <div class="stage stage1"> <div class="pageControl"> <ul> <li>page1</li> <li>page2</li> <li>page3</li> </ul> </div> <div class="page page1"></div> <div class="page page2"></div> <div class="page page3"></div> </div> <div class="stage stage2"></div> <div class="stage stage3"></div> <div class="stage stage4"></div> <div class="stage stage5"></div> </div><script type="text/javascript"> $(document).ready(function(){ $(".wrap").windowScroll({ 'choose' : 0, 'verticalSpeed' : 2, //控制垂直滚动速度 'horizontalSpeed' : 1, 'objControlUl': '.wrap .stageControl' }); $(".stage1").windowScroll({ 'choose': 1, 'verticalSpeed' : 1, 'horizontalSpeed' : 1,//控制水平滚动速度 'objControlUl': '.stage1 .pageControl' }); });</script></body></html>CSS
@charset "utf-8";/* CSS Document */body{ margin:0 0; padding:0 0; height:100%; width:100%; overflow: hidden;;}.wrap{ font-family:"微软雅黑","宋体", Times, "Times New Roman", serif; font-size:14px; margin:0 0; padding:0 0; height:100%; width:100%; overflow:hidden;}.stage,.page{ width: 100%; height: 100%;}.stage1{ background-color:red;}.stage2{ background-color:#fff;}.stage3{ background-color:yellow;}.stage4{ background-color:green;}.stage5{ background-color:blue;}.page{ float: left;}.page2{ background-color: #666;}.page3{ background-color: #ddd;}.stageControl{ position: fixed;}.stageControl ul li{ width: 100px; height: 30px; line-height: 30px; text-align: center; cursor: pointer;}.stageControl ul li:hover{ color: blue;}.pageControl{ position: fixed; left: 200px;}.pageControl ul li{ float: left; width: 50px; height: 25px; line-height: 25px; text-align: center; cursor: pointer;}.pageControl ul li:hover{ color: blue;}JavaScript
/* * windowScroll 0.1 * window滚动插件，上下左右，可选择是否回弹。参考搜狗欢迎页面 * 兼容IE,FF,Chrome等常见浏览器 * 借鉴搜狗4.2版http://ie.sogou.com/features4.2.html */ ;(function($,window,document,undefined){ //定义构造函数 var WindowObj=function(ele,opt){ this.$element=ele; //最外层对象 this.defaults={ 'choose' : 0,//默认为上下 'verticalSpeed' : 1, 'horizontalSpeed' : 1, 'objControlUl': null }, this.options=$.extend({},this.defaults,opt ); //阻止默认行为和冒泡,这里可以定义多个方法都要用到的函数 this.stopDefaultAndBubble=function(e){ e=e||window.event; if (e.preventDefault) { e.preventDefault(); } e.returnValue=false; if (e.stopPropagation) { e.stopPropagation(); } e.cancelBubble=true; } this.setSize=function(ele){ $(ele).css({ 'width':$(window).outerWidth()+'px' }); //自动判断元素是否存在，对undefined赋css属性无意义 $(ele).children('.stage').css({ 'width':$(window).outerWidth()+'px', 'height':$(window).outerHeight()+'px' }); $(ele).children('.page').css({ 'width':$(window).outerWidth()+'px', 'height':$(window).outerHeight()+'px' }); } } //给构造函数添加方法 WindowObj.prototype={ //上下滚动的方法 verticalMove:function(){ var obj=this.$element; //最外层对象 var speed=this.options.verticalSpeed; var objControl=this.options.objControlUl;//控制按钮 var windowHeight=$(window).height(); var list=$(obj).children('.stage'); var listMax=$(list).length; var is_chrome=navigator.userAgent.toLowerCase().indexOf('chrome')>-1; if(is_chrome){ //判断webkit内核，供scrollTop兼容性使用 windowobject='body'; }else{ //支持IE和FF windowobject='html'; } var stop=0; //均设置为windows大小 this.setSize(obj); //得到当前的垂直位置 var stageIndex; function getIndex(){ stageIndex=Math.round($(window).scrollTop()/windowHeight); } //绑定键盘上下按键事件 $(document).keydown(function(event) { /* 绑定keycode38，即向上按钮 */ if (event.keyCode==38) { getIndex(); setTimeout(function(){ scrollStage(windowobject,stageIndex,1); //stageIndex为当前页码 },100); }else if (event.keyCode==40) {//绑定40，即向下按钮 getIndex(); setTimeout(function(){ scrollStage(windowobject,stageIndex,-1); //stageIndex为当前页码 },100); } }); //绑定滑轮功能的函数 function handle(delta){ getIndex(); if (delta<0) { setTimeout(function(){ scrollStage(windowobject,stageIndex,-1); //stageIndex为当前页码 },100); }else{ setTimeout(function(){ scrollStage(windowobject,stageIndex,1); //stageIndex为当前页码 },100); } } //判断滑轮，解决兼容性 function wheel(event){ var delta = 0; if (!event) event = window.event; if (event.wheelDelta) { delta = event.wheelDelta; if (window.opera) delta = -delta; } else if (event.detail) { delta = -event.detail; } if (delta) handle(delta); //调用执行函数 } //注册事件 if (window.addEventListener) { window.addEventListener('DOMMouseScroll', wheel, false); } window.onmousewheel = document.onmousewheel = wheel; //绑定鼠标滚轮事件 $(document).bind('mousedown', function(event) { if (e.which==2) {//which=2代表鼠标滚轮,即为中键 this.stopDefaultAndBubble(e); //bugfix 搜狗浏览器的ie内核只有在定时器触发这个函数才生效 setTimeout(function(){ this.stopDefaultAndBubble(e); },10); } }); //如果有ul li控制按钮 if (objControl!=null) { $(objControl).delegate('li', 'click', function() { stageIndex=$(this).index(); setTimeout(function(){ scrollStage(windowobject,stageIndex,0); },100); }); } function scrollStage(obj,stIndex,dir){//如果用scrollStage=function来指定的话没有声明提前，然后就会找不到这个函数了 //obj为操作滚动的对象 //stIndex为点击调用时应该滚动到的页面页码，按键和滚轮调用时默认为1(传入0) //dir传入滚动时的方向，0代表不滚动，1代表向上，-1代表向下 var sIndex=stIndex;//!(dir)则stageIndex为要到的页码，否则为当前页码 var windowobject=obj; var direction=0||dir; //接收参数封装,没有传入时暂时认为为0 var target=windowHeight*sIndex; //目标页面距离文档顶部距离 if ( !$(windowobject).is(':animated') ) {//当没有在滚动时 if(!direction){ ////响应guider,此时stageIndex为目标页面页码 if ($(window).scrollTop() > target) { //内容下移，窗口上移,上方出现弹痕 direction=-1; $(windowobject).animate({ "scrollTop": target +"px" },1000*speed,function(){ crash_bottom(1,target,20,150); //调用撞击函数,先撞顶部,target变成当前页面了 }); }else if($(window).scrollTop() == windowHeight*sIndex){ //当前页面时 direction=0; crash_bottom(1, target ,20,150); //模拟撞底部 }else{ direction=1; $(windowobject).animate({ "scrollTop": target +"px" },1000*speed,function(){ crash(1,target,20,150); //调用撞击函数,先撞底部 }); } }else{//响应鼠标滚轮和键盘上下，sindex为当前页面 if(direction==1){ if(sIndex==0){ crash(1,target,20,150); }else{ //往上翻 sIndex-=1; $(windowobject).animate({ "scrollTop":windowHeight*sIndex+"px" },1000*speed,function(){ crash_bottom(1,windowHeight*sIndex,20,150); //调用撞击函数,往下翻内容往上，先撞顶部 } ); } }else{ if(sIndex==listMax){ crash_bottom(1,target,20,150); }else{ //往下翻 sIndex+=1; $(windowobject).animate({ "scrollTop":windowHeight*sIndex+"px" },1000*speed,function(){ crash(1,windowHeight*sIndex,20,150); //调用撞击函数,往上翻内容往下，先撞底部 }); } } } } } //撞击函数 function crash_bottom(direction,termin,distant,time){ if (!stop) { var scrollTop=$(window).scrollTop(); if (direction==1) { direction=0; $(windowobject).animate({"scrollTop":"+="+distant+"px"},time,function(){ crash_bottom(direction,termin,distant*0.6,time); if (distant<=15||time>150) { stop=1;//停止碰撞 $(windowobject).animate({"scrollTop":termin+"px"},time,function(){ stop=0; }); } }); }else if (direction==0) { direction=1; $(windowobject).animate({"scrollTop":termin+"px"},time,function(){ crash_bottom(direction,termin,distant*0.6,time); if (distant<=15||time>150) { stop=1;//停止碰撞 $(windowobject).animate({"scrollTop":termin+"px"},time,function(){ stop=0; }); } }); } } } function crash(direction,termin,distant,time){ if (!stop) { var scrollTop=$(window).scrollTop(); if (direction==1) { direction=0; $(windowobject).animate({"scrollTop":"-="+distant+"px"},time,function(){ crash(direction,termin,distant*0.6,time); if (distant<=15||time>150) { stop=1;//停止碰撞 $(windowobject).animate({"scrollTop":termin+"px"},time,function(){ stop=0; }); } }); }else if (direction==0) { direction=1; $(windowobject).animate({"scrollTop":termin+"px"},time,function(){ crash(direction,termin,distant*0.6,time); if (distant<=15||time>150) { stop=1;//停止碰撞 $(windowobject).animate({"scrollTop":termin+"px"},time,function(){ stop=0; }); } }); } } } }, //左右滚动的方法 horizontalMove:function(){ var obj=this.$element; //最外层对象 var speed=this.options.horizontalSpeed; var objControl=this.options.objControlUl;//控制按钮 var windowWidth=$(window).width(); var list=$(obj).children('.page'); var listMax=$(list).length; var is_chrome=navigator.userAgent.toLowerCase().indexOf('chrome')>-1; if(is_chrome){ //判断webkit内核，供scrollTop兼容性使用 windowobject='body'; }else{ //支持IE和FF windowobject='html'; } var stop=0; //均设置为windows大小 this.setSize(obj); $(obj).css({'width':windowWidth*listMax+'px'}); var pageIndex; //当前页面页码(负数) function getPageIndex(){ pageIndex=Math.round(parseInt($(obj).css("margin-left")) / windowWidth); } //绑定键盘左右按键事件 $(document).keydown(function(event){ //判断event.keyCode为39（即向右按钮） if (event.keyCode==39) { getPageIndex(); scrollPage($(obj),pageIndex,-1); } //判断event.keyCode为37（即向左按钮 else if (event.keyCode==37) { getPageIndex(); scrollPage($(obj),pageIndex,1); } }); //如果有ul li控制按钮 if (objControl!=null) { $(objControl).delegate('li', 'click', function() { pageIndex=$(this).index(); setTimeout(function(){ scrollPage(obj,pageIndex,0); },100); }); } function scrollPage(obje,pIndex,dir){ var windowobject=obje; var direction=0||dir; var pageIndex=pIndex; var dist=Math.round(parseInt($(obj).css("margin-left"))); //当前页距离左边的margin(负值) var aim=pageIndex*windowWidth*(-1); if (!$(windowobject).is(":animated")) { if(!direction){ //响应nav if (dist != aim) { //此时pageIndex为yearID.非负值 $(windowobject).animate({"margin-left": aim + "px"}, 1000*speed); }else{ direction=0; $(windowobject).animate({"margin-left":"+="+"50px"},500).animate({"margin-left":"-="+"100px"},500).animate({"margin-left":"+="+"50px"},500); } }else{ //响应键盘左右键 if(direction==1){ //pageIndex为负值 if(pageIndex==0){ $(windowobject).animate({"margin-left":"+="+"50px"},500).animate({"margin-left":"-="+"100px"},500).animate({"margin-left":"+="+"50px"},500); }else{ pageIndex+=1; //显示左边内容，左键 $(windowobject).animate({"margin-left":"+=" + windowWidth + "px"}, 1000*speed); } }else{ if(pageIndex== ((-1)*(listMax-1))){ $(windowobject).animate({"margin-left":"-="+"50px"},500).animate({"margin-left":"+="+"100px"},500).animate({"margin-left":"-="+"50px"},500); }else{ pageIndex-=1; $(windowobject).animate({"margin-left":"-=" + windowWidth + "px"}, 1000*speed); } } } } } } } //在插件中使用windowObj对象的方法，0为vertical，1为horizontal $.fn.windowScroll=function(options){ //创建实体 var windowObj=new WindowObj(this,options); //根据选择调用方法 if (windowObj.options.choose==0) { return windowObj.verticalMove(); }else if(windowObj.options.choose==1){ return windowObj.horizontalMove(); }else{//2之后的留扩展吧 //add some functions } } })(jQuery,window,document);详细的代码下载见https://github.com/codetker/myWindowScroll
以上所述就是本文的全部内容了，希望大家能够喜欢。
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