非常漂亮的JS+CSS图片幻灯切换特效
2013-11-20 00:00
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非常漂亮的JS+CSS图片幻灯切换特效，用在你的首页比较不错，宽屏图片格式，每张图片平滑飞入切换，鼠标放上自动切换，和FLASH的平滑效果差不多，视觉冲击效果很爽，而且代码也不多，调试调用都方便，建议关注一下哦!
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>图片幻灯切换</title>
<style type="text/css">
* { margin:0; padding:0; }
body { background:#FFF; color:#333; font:12px/1.6em Helvetica, Arial, sans-serif; }
h1, h2, h3, h4, h5, h6 { font-size:1em; }
a { color:#0287CA; text-decoration:none; }
a:hover { text-decoration:underline; }
ul, li { list-style:none; }
fieldset, img { border:none; }
legend { display:none; }
em, strong, cite, th { font-style:normal; font-weight:normal; }
input, textarea, select, button { font:12px Helvetica, Arial, sans-serif; }
table { border-collapse:collapse; }
html { overflow:-moz-scrollbars-vertical; }
#ibanner { position:relative; width:650px; height:250px; overflow:hidden; margin:20px 0 20px 300px; }
#ibanner_pic {}
#ibanner_pic a { position:absolute; top:0; display:block; width:650px; height:250px; overflow:hidden; }
#ibanner_btn { position:absolute; z-index:9999; right:5px; bottom:5px; font-weight:700; font-family:Arial; }
#ibanner_btn span { display:block; float:left; margin-left:4px; padding:0 5px; background:#000; cursor:pointer; }
#ibanner_btn .normal { height:20px; margin-top:8px; border:1px solid #999; color:#999; font-size:16px; line-height:20px; }
#ibanner_btn .current { height:28px; border:1px solid #FF5300; color:#FF5300; font-size:28px; line-height:28px; }
</style>
<script type="text/javascript">
function $(id) { return document.getElementById(id); }
function addLoadEvent(func){
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function(){
oldonload();
func();
}
}
}
function addBtn() {
if(!$('ibanner')||!$('ibanner_pic')) return;
var picList = $('ibanner_pic').getElementsByTagName('a');
if(picList.length==0) return;
var btnBox = document.createElement('div');
btnBox.setAttribute('id','ibanner_btn');
var SpanBox ='';
for(var i=1; i<=picList.length; i++ ) {
var spanList = '<span class="normal">'+i+'</span>';
SpanBox += spanList;
}
btnBox.innerHTML = SpanBox;
$('ibanner').appendChild(btnBox);
$('ibanner_btn').getElementsByTagName('span')[0].className = 'current';
for (var m=0; m<picList.length; m++){
var attributeValue = 'picLi_'+m
picList[m].setAttribute('id',attributeValue);
}
}
function moveElement(elementID,final_x,final_y,interval) {
if (!document.getElementById) return false;
if (!document.getElementById(elementID)) return false;
var elem = document.getElementById(elementID);
if (elem.movement) {
clearTimeout(elem.movement);
}
if (!elem.style.left) {
elem.style.left = "0px";
}
if (!elem.style.top) {
elem.style.top = "0px";
}
var xpos = parseInt(elem.style.left);
var ypos = parseInt(elem.style.top);
if (xpos == final_x && ypos == final_y) {
moveing = false;
return true;
}
if (xpos < final_x) {
var dist = Math.ceil((final_x - xpos)/10);
xpos = xpos + dist;
}
if (xpos > final_x) {
var dist = Math.ceil((xpos - final_x)/10);
xpos = xpos - dist;
}
if (ypos < final_y) {
var dist = Math.ceil((final_y - ypos)/10);
ypos = ypos + dist;
}
if (ypos > final_y) {
var dist = Math.ceil((ypos - final_y)/10);
ypos = ypos - dist;
}
elem.style.left = xpos + "px";
elem.style.top = ypos + "px";
var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
elem.movement = setTimeout(repeat,interval);
}
function classNormal() {
var btnList = $('ibanner_btn').getElementsByTagName('span');
for (var i=0; i<btnList.length; i++){
btnList[i].className='normal';
}
}
function picZ() {
var picList = $('ibanner_pic').getElementsByTagName('a');
for (var i=0; i<picList.length; i++){
picList[i].style.zIndex='1';
}
}
var autoKey = false;
function iBanner() {
if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn')) return;
$('ibanner').onmouseover = function(){autoKey = true};
$('ibanner').onmouseout = function(){autoKey = false};
var btnList = $('ibanner_btn').getElementsByTagName('span');
var picList = $('ibanner_pic').getElementsByTagName('a');
if (picList.length==1) return;
picList[0].style.zIndex='2';
for (var m=0; m<btnList.length; m++){
btnList[m].onmouseover = function() {
for(var n=0; n<btnList.length; n++) {
if (btnList[n].className == 'current') {
var currentNum = n;
}
}
classNormal();
picZ();
this.className='current';
picList[currentNum].style.zIndex='2';
var z = this.childNodes[0].nodeValue-1;
picList[z].style.zIndex='3';
if (currentNum!=z){
picList[z].style.left='650px';
moveElement('picLi_'+z,0,0,10);
}
}
}
}
setInterval('autoBanner()', 5000);
function autoBanner() {
if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn')||autoKey) return;
var btnList = $('ibanner_btn').getElementsByTagName('span');
var picList = $('ibanner_pic').getElementsByTagName('a');
if (picList.length==1) return;
for(var i=0; i<btnList.length; i++) {
if (btnList[i].className == 'current') {
var currentNum = i;
}
}
if (currentNum==(picList.length-1) ){
classNormal();
picZ();
btnList[0].className='current';
picList[currentNum].style.zIndex='2';
picList[0].style.zIndex='3';
picList[0].style.left='650px';
moveElement('picLi_0',0,0,10);
} else {
classNormal();
picZ();
var nextNum = currentNum+1;
btnList[nextNum].className='current';
picList[currentNum].style.zIndex='2';
picList[nextNum].style.zIndex='3';
picList[nextNum].style.left='650px';
moveElement('picLi_'+nextNum,0,0,10);
}
}
addLoadEvent(addBtn);
addLoadEvent(iBanner);
</script>
</head>
<body>
<div id="ibanner">
<div id="ibanner_pic">
<a href="/jscss/"><img src="/jscss/demoimg/200904/a1.jpg" alt="" /></a>
<a href="/sort/index.shtml"><img src="/jscss/demoimg/200904/a2.jpg" alt="" /></a>
<a href="/other/lastupdate.shtml"><img src="/jscss/demoimg/200904/a3.jpg" alt="" /></a>
<a href="/other/top100.shtml"><img src="/jscss/demoimg/200904/a4.jpg" alt="" /></a>
</div>
</div><!--ibanner end-->
<div style="height:20px; background:#EEE;"></div>
</body>
</html>
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