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html部分:
<div id="gp"> <div id="gunping"> <div class="page1 page">1</div> <div class="page2 page">2</div> <div class="page3 page">3</div> <div class="page4 page">4</div> <div class="page5 page">5</div> <div class="page6 page">6</div> </div> </div>
css部分:
html, body { padding:0; margin:0; overflow:hidden;} #gp { width:100%; text-align:center; font-size:100px; overflow:hidden;} #gunping { width:100%; position:absolute; top:0; left:0; } .page { width:100%;} .page1 { background:#f00000;} .page2 { background:#0ff000;} .page3 { background:#00f0f0;} .page4 { background:#f00f00;} .page5 { background:#f000f0;} .page6 { background:#0000ff;}
js部分:
function getStyle(obj, attr){ return obj.currentStyle?obj.currentStyle[attr]:getComputedStyle(obj, false)[attr]; } function startMove(obj,attr,iTarget){ var iSpeed = 0; var sty = 0; clearInterval(obj.timer); obj.timer = setInterval(function(){ sty = parseInt(getStyle(obj,attr)); iSpeed = (iTarget - sty)/7; iSpeed = iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed); if(Math.abs(iTarget - sty)>3){ obj.style[attr] = sty + iSpeed + ‘px‘; }else{ clearInterval(obj.timer); obj.style[attr] = iTarget + ‘px‘; } },30); } //获取className兼容ie function getClassName(tag, className){ if(document.getElementsByClassName){ return document.getElementsByClassName(className); }else{ var rel = []; var nodes = document.getElementsByTagName(tag); for(var i=0; i<nodes.length; i++){ var tagClassName = nodes[i].className.split(/\s+/); for(var j=0; j<tagClassName.length; j++){ if(tagClassName[j] == className){ rel.push(nodes[i]); break; } } } return rel; } } function gunPing(){ var aDiv = document.getElementById(‘gp‘); var oDiv = document.getElementById(‘gunping‘); var oDiv_div = getClassName(‘div‘, ‘page‘); var aHeight = document.documentElement.clientHeight; var iNum = 0; fnHeight(); //页面高度 function fnHeight(){ for(var i=0; i<oDiv_div.length; i++){ oDiv_div[i].style.height = aHeight + ‘px‘; } aDiv.style.height = aHeight + ‘px‘; } //ff滚轮事件 if(document.addEventListener){ document.addEventListener(‘DOMMouseScroll‘,scrollFunc,false); } //ie滚轮事件 document.onmousewheel = scrollFunc; function scrollFunc(e){ e = e || window.event; if(e.wheelDelta<0 || e.detail>0){ if(iNum > -oDiv_div.length+1){ iNum--; } }else{ if(iNum<0){ iNum++ } } startMove(oDiv,‘top‘,iNum*aHeight); } //改变窗口大小 window.onresize = function(){ aHeight = document.documentElement.clientHeight; fnHeight(); oDiv.style.top = iNum*aHeight + ‘px‘; } } window.onload = function(){ gunPing(); }
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原文地址:http://my.oschina.net/u/2360886/blog/414436