寻网页中JS实现的图片切换特效

演示效果见http://light.baidu.com/中下部的“小桔灯动态”,但是不要它定时自动切换的效果,改成鼠标悬停在两侧的边缘处时,边缘的图片自动滚动到中央最大图... 演示效果见 http://light.baidu.com/ 中下部的“小桔灯动态”,但是不要它定时自动切换的效果,改成鼠标悬停在两侧的边缘处时,边缘的图片自动滚动到中央最大图片处。也就是说若鼠标一直悬停在边缘,那么图片一直循环滚动下去。
小桔灯这个页面是用Flash实现的,但我不想用Flash,只希望用 JS + CSS + HTML 实现。
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一会去吃烤肉
推荐于2016-09-06 · TA获得超过472个赞
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我修改测试通过一个。但是有个问题。若改成鼠标悬停边缘滚下去,也就是onMouseOver。是停不下来的,会一直滚下去,因为无论怎么样都是鼠标碰触事件。所以我强烈建议用点击事件,onclick。
js css image都是调用的。我都写到页面里了,你自己改下。图片地址我没改。本地测试的。自己换成你的图片。

<!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=utf-8">
<title>图片展示特效</title>
<style>
body{ margin:20px auto; width:100%; height:auto;}
#dHomePageCarousel {
height:221px;
width:670px;
position:relative;
margin:40px auto;
}
#dLocalHomesCarousel {
height:131px;
margin:0px 2px 3px 1px;
overflow:hidden;
position:relative;
}
.divCarouselInfo {
color:#3C404E;
font-size:12px;
width:639px;
height:64px;
line-height:16px;
margin-right:15px;
padding-top:10px;
position:relative;
}
.imgBorder{
border:2px solid #fff;
position:absolute;
cursor:pointer;
}
.imgBorder:hover {
border:2px solid #FFAA55;
cursor:pointer;
position:absolute;
}
.btnCarouselLT {
background:url("../images/btn_nav_carousel.png") no-repeat scroll left top transparent;
display:block;
height:41px;
overflow:hidden;
position:absolute;
cursor:pointer;
top:17px;
width:40px;
}
.btnCarouselRT {
background:url("../images/btn_nav_carousel.png") no-repeat scroll right top transparent;
display:block;
height:41px;
overflow:hidden;
position:absolute;
cursor:pointer;
top:17px;
width:40px;
}

img {
border:medium none;
}

.author{ width:700px; margin:0 auto; height:auto; text-align:center;}

</style>
</head>
<body onLoad="clearInterval(autoplay);">
<!-- 头开始 -->
<!-- 滚动房源广告开始 -->
<div id="dHomePageCarousel" style="padding-left:15px">
<div id=dLocalHomesCarousel>
<img id="imgSmallLeft" class="imgBorder" style="height:50px; width:70px; left:10px; bottom:5px;" onClick="clearInterval(autoplay);moveD('l');"/>
<img id="imgMiddleLeft" class="imgBorder" style="height:75px; width:100px; left:110px; bottom:5px;" onClick="clearInterval(autoplay);move('l');"/>
<img id="imgBig" class="imgBorder" style="height:105px; width:140px; left:240px; bottom:5px;" onClick="openNewPage();"/>
<img id="imgMiddleRight" class="imgBorder" style="height:75px; width:100px; left:410px; bottom:5px;" onClick="clearInterval(autoplay);move('r');"/>
<img id="imgSmallRight" class="imgBorder" style="width:70px; height:50px; left:540px; bottom:5px;" onClick="clearInterval(autoplay);moveD('r');"/>
<img id="imgHidden" class="imgBorder" style="width:10px; height:10px; left:-90px; bottom:5px;"/>
</div>
<script type="text/javascript">
function AdItem(Photo,url) {
this.Photo = Photo;
this.url = url;
}
var ad = new Array();
ad[0] = new AdItem('images/1.jpg','#'); ad[1] = new AdItem('images/2.jpg','#'); ad[2] = new AdItem('images/3.jpg','#'); ad[3] = new AdItem('images/4.jpg','#'); ad[4] = new AdItem('images/5.jpg','#'); ad[5] = new AdItem('images/6.jpg','#'); ;
var img = new Array();
img[0] = document.getElementById("imgSmallLeft");
img[1] = document.getElementById("imgMiddleLeft");
img[2] = document.getElementById("imgBig");
img[3] = document.getElementById("imgMiddleRight");
img[4] = document.getElementById("imgSmallRight");
img[5] = document.getElementById("imgHidden");

var position = 0;
for(i=0;i<img.length;i++){
img[i].src = ad[i].Photo;
}

var cur = 2;
adname.href = ad[2].url;
</script>
</div>
<script type="text/javascript">

function roll(direction){
var imgLength = img.length;
var dataLength = ad.length;
var start = position;
if('r' == direction){
for(var i=0; i<imgLength; i++){
start = start + 1;
if(start > (dataLength-1))
start = start - dataLength;
img[i].src = ad[start].Photo;
}
position = position + 1;
if(position > (dataLength-1))
position = position - dataLength;
}
if('l' == direction){
var a = true;
for(var i=0; i<imgLength; i++){
if(a){
start = start - 1;
if(start < 0){
start = start + dataLength;
a = false;
}
if(start < (dataLength-1)){
a = false;
}
}else{
start = start + 1;
if(start > (dataLength-1)){
start = start - dataLength;
a = true;
}
}
//alert(position + " === " + i + " === " + start);
img[i].src = ad[start].Photo;
if(start == (dataLength-1)){
start = -1;
}
}
position = position - 1;
if(position < 0)
position = position + dataLength;
}
}

function right(){
i++;
var img0H = parseFloat(img[0].style.height);
var img0W = parseFloat(img[0].style.width);
var img0L = parseFloat(img[0].style.left);
var img1H = parseFloat(img[1].style.height);
var img1W = parseFloat(img[1].style.width);
var img1L = parseFloat(img[1].style.left);
var img2H = parseFloat(img[2].style.height);
var img2W = parseFloat(img[2].style.width);
var img2L = parseFloat(img[2].style.left);
var img3H = parseFloat(img[3].style.height);
var img3W = parseFloat(img[3].style.width);
var img3L = parseFloat(img[3].style.left);
var img4H = parseFloat(img[4].style.height);
var img4W = parseFloat(img[4].style.width);
var img4L = parseFloat(img[4].style.left);
var img5H = parseFloat(img[5].style.height);
var img5W = parseFloat(img[5].style.width);
var img5L = parseFloat(img[5].style.left);

//解决IE兼容性问题
if(navigator.userAgent.indexOf("MSIE")>0 && i%2==0) {
img1W = img1W + 1;
img2H = img2H + 1;
img2L = img2L + 1;
img3H = img3H + 1;
img3L = img3L + 1;
img4L = img4L + 1;
img4W = img4W + 1;
}

img[0].style.height = (img0H - 2).toString() + "px";
img[0].style.left = (img0L - 5).toString() + "px";
img[0].style.width = (img0W - 3).toString() + "px";

img[1].style.height = (img1H - 1).toString() + "px";
img[1].style.left = (img1L - 5).toString() + "px";
img[1].style.width = (img1W - 1.5).toString() + "px";

img[2].style.height = (img2H - 1.5).toString() + "px";
img[2].style.left = (img2L - 6.5).toString() + "px";
img[2].style.width = (img2W - 2).toString() + "px";

img[3].style.height = (img3H + 1.5).toString() + "px";
img[3].style.left = (img3L - 8.5).toString() + "px";
img[3].style.width = (img3W + 2).toString() + "px";

img[4].style.height = (img4H + 1).toString() + "px";
img[4].style.left = (img4L - 6.5).toString() + "px";
img[4].style.width = (img4W + 1.5).toString() + "px";

img[5].style.height = (img5H + 2).toString() + "px";
img[5].style.left = (img5L - 5).toString() + "px";
img[5].style.width = (img5W + 3).toString() + "px";
//alert(img[1].style.width);
if(i>19){
clearInterval(hide);
reset();
roll('r');
isRunning = 'false';
}
}

function left(){
i++;
var img0H = parseFloat(img[0].style.height);
var img0W = parseFloat(img[0].style.width);
var img0L = parseFloat(img[0].style.left);
var img1H = parseFloat(img[1].style.height);
var img1W = parseFloat(img[1].style.width);
var img1L = parseFloat(img[1].style.left);
var img2H = parseFloat(img[2].style.height);
var img2W = parseFloat(img[2].style.width);
var img2L = parseFloat(img[2].style.left);
var img3H = parseFloat(img[3].style.height);
var img3W = parseFloat(img[3].style.width);
var img3L = parseFloat(img[3].style.left);
var img4H = parseFloat(img[4].style.height);
var img4W = parseFloat(img[4].style.width);
var img4L = parseFloat(img[4].style.left);
var img5H = parseFloat(img[5].style.height);
var img5W = parseFloat(img[5].style.width);
var img5L = parseFloat(img[5].style.left);

//解决IE兼容性问题
if(navigator.userAgent.indexOf("MSIE")>0 && i%2==0) {
img0W = img0W + 1;
img1H = img1H + 1;
img1L = img1L + 1;
img2H = img2H + 1;
img2L = img2L + 1;
img3L = img3L + 1;
img3W = img3W + 1;
}

img[0].style.height = (img0H + 1).toString() + "px";
img[0].style.left = (img0L + 5).toString() + "px";
img[0].style.width = (img0W + 1.5).toString() + "px";

img[1].style.height = (img1H + 1.5).toString() + "px";
img[1].style.left = (img1L + 6.5).toString() + "px";
img[1].style.width = (img1W + 2).toString() + "px";

img[2].style.height = (img2H - 1.5).toString() + "px";
img[2].style.left = (img2L + 8.5).toString() + "px";
img[2].style.width = (img2W - 2).toString() + "px";

img[3].style.height = (img3H - 1).toString() + "px";
img[3].style.left = (img3L + 6.5).toString() + "px";
img[3].style.width = (img3W - 1.5).toString() + "px";

img[4].style.height = (img4H - 2).toString() + "px";
img[4].style.left = (img4L + 5).toString() + "px";
img[4].style.width = (img4W - 3).toString() + "px";

img[5].style.height = (img5H + 2).toString() + "px";
img[5].style.left = (img5L + 5).toString() + "px";
img[5].style.width = (img5W + 3).toString() + "px";
//alert(img[1].style.left);
if(i>19){
clearInterval(hide);
reset();
roll('l');
isRunning = 'false';
}
}
var isRunning;
function move(direction){

//alert(isRunning);
if(isRunning != 'udefined' && isRunning == 'true')
return;
frequency = 20;
if(navigator.userAgent.indexOf("MSIE")>0) {
frequency = 15;
}
if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){
frequency = 20;
}
i = 0;
if(direction == 'r'){
cur = cur + 1;
img[5].style.left = "640px";
hide = setInterval("right()", frequency);
isRunning = 'true';
}
if(direction == 'l'){
cur = cur - 1;
img[5].style.left = "-90px";
var pos = position - 1;
if(pos < 0)
pos = pos + ad.length;
img[5].src = ad[pos].Photo;
hide = setInterval("left()", frequency);
isRunning = 'true';
}
if(cur > (ad.length - 1))
cur = 0;
if(cur < 0)
cur = ad.length - 1;
//alert(cur);
adname.href = ad[cur].url;
if(navigator.userAgent.indexOf("Firefox")>0){
adname.textContent = ad[cur].name;
adtel.textContent = ad[cur].phone;
adaddr.textContent = ad[cur].address;
adprice.textContent = ad[cur].price;
adtime.textContent = ad[cur].time;
} else {
adname.innerText = ad[cur].name;
adtel.innerText = ad[cur].phone;
adaddr.innerText = ad[cur].address;
adprice.innerText = ad[cur].price;
adtime.innerText = ad[cur].time;
}
}

function moveC(direction){
if(isRunning != 'true'){
move(direction);
clearInterval(movec);
}
}

function moveD(direction){
move(direction);
if('r' == direction){
movec = setInterval("moveC('r')",5);
} else {
movec = setInterval("moveC('l')",5);
}
}

function reset(){
img[0].style.width = "70px";
img[0].style.height = "50px";
img[0].style.left = "10px";

img[1].style.width = "100px";
img[1].style.height = "75px";
img[1].style.left = "110px";

img[2].style.width = "140px";
img[2].style.height = "105px";
img[2].style.left = "240px";

img[3].style.width = "100px";
img[3].style.height = "75px";
img[3].style.left = "410px";

img[4].style.width = "70px";
img[4].style.height = "50px";
img[4].style.left = "540px";

img[5].style.width = "10px";
img[5].style.height = "10px";
img[5].style.left = "-90px";
}

autoplay = setInterval("move('r')",2000);

function openNewPage(){
window.open(ad[cur].url);
}

</script>
<!-- 滚动房源广告结束 -->
</body>
</html>
老胡微课堂
2015-12-09 · TA获得超过2294个赞
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要实现页面的图片的轮换的效果其实很简单 首先你需要在body里面插入一张图片 然后通过js获得id 在通过图片的 src 属性来实现 ,如果你不明可以接着提问,我将把代码写给你
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匿名用户
2012-03-29
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试试这个图片切换
有12345数字一起切换
鼠标点一下数字会变换到另一张图片,不点就会自动换
里面有教程和源码
追问
不要这样的,这样的我自己会。
这样的效果在许多网站被应用,看得多了觉得没什么美感了。
还是我说的那个效果,比较满意吧。有点像 Mac OS X 中Dock的效果(只是有些像,但 Dock 没有自动滚动效果)。

参考资料: http://www.blueidea.com/common/shoutbox/redir.asp?5=p&id=10895

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