JavaScript 的网页图片切换代码

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#热议# 什么是淋病？哪些行为会感染淋病？
做人逝烦
推荐于2016-08-05 · TA获得超过420个赞
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<!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=gb2312">
<title>网页特效 首页图片切换</title>
<style type="text/css">
/* Reset style */
* { margin:0; padding:0; word-break:break-all; }
body {
background:#fff;
color:#000000;
font:12px/1.6em Helvetica, Arial, sans-serif;
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
}
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; } /*Always show Firefox scrollbar*/
/* iFocus style */
#ifocus { width:650px; height:245px; margin:0px; border:1px solid #DEDEDE; background:#F8F8F8; }
#ifocus_pic { display:inline; position:relative; float:left; width:540px; height:225px; overflow:hidden; margin:10px 0 0 10px; }
#ifocus_piclist { position:absolute; }
#ifocus_piclist li { width:550px; height:225px; overflow:hidden; }
#ifocus_piclist img { width:550px; height:225px; }
#ifocus_btn { display:inline; float:right; width:91px; margin:9px 9px 0 0; }
#ifocus_btn li { width:91px; height:57px; cursor:pointer; opacity:0.5; -moz-opacity:0.5; filter:alpha(opacity=50); }
#ifocus_btn img { width:75px; height:45px; margin:7px 0 0 11px; }
#ifocus_btn .current { background: url(img/ifocus_btn_bg.gif) no-repeat; opacity:1; -moz-opacity:1; filter:alpha(opacity=100); }
#ifocus_opdiv { position:absolute; left:0; bottom:0; width:545px; height:35px; background:#000; opacity:0.5; -moz-opacity:0.5; filter:alpha(opacity=50); }
#ifocus_tx { position:absolute; left:8px; bottom:8px; color:#FFF; }
#ifocus_tx .normal { display:none; }
</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 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) {
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(iFocusBtnID,iFocusTxID){
var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
for(var i=0; i<iFocusBtns.length; i++) {
iFocusBtns[i].className='normal';
iFocusTxs[i].className='normal';
}
}
function classCurrent(iFocusBtnID,iFocusTxID,n){
var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
iFocusBtns[n].className='current';
iFocusTxs[n].className='current';
}
function iFocusChange() {
if(!$('ifocus')) return false;
$('ifocus').onmouseover = function(){atuokey = true};
$('ifocus').onmouseout = function(){atuokey = false};
var iFocusBtns = $('ifocus_btn').getElementsByTagName('li');
var listLength = iFocusBtns.length;
iFocusBtns[0].onmouseover = function() {
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
if (listLength>=2) {
iFocusBtns[1].onmouseover = function() {
moveElement('ifocus_piclist',0,-225,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',1);
}
}
if (listLength>=3) {
iFocusBtns[2].onmouseover = function() {
moveElement('ifocus_piclist',0,-450,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',2);
}
}
if (listLength>=4) {
iFocusBtns[3].onmouseover = function() {
moveElement('ifocus_piclist',0,-675,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',3);
}
}
}
setInterval('autoiFocus()',3500);
var atuokey = false;
function autoiFocus() {
if(!$('ifocus')) return false;
if(atuokey) return false;
var focusBtnList = $('ifocus_btn').getElementsByTagName('li');
var listLength = focusBtnList.length;
for(var i=0; i<listLength; i++) {
if (focusBtnList[i].className == 'current') var currentNum = i;
}
if (currentNum==0&&listLength!=1 ){
moveElement('ifocus_piclist',0,-225,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',1);
}
if (currentNum==1&&listLength!=2 ){
moveElement('ifocus_piclist',0,-450,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',2);
}
if (currentNum==2&&listLength!=3 ){
moveElement('ifocus_piclist',0,-675,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',3);
}
if (currentNum==3 ){
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
if (currentNum==1&&listLength==2 ){
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
if (currentNum==2&&listLength==3 ){
moveElement('ifocus_piclist',0,0,5);
classNormal('ifocus_btn','ifocus_tx');
classCurrent('ifocus_btn','ifocus_tx',0);
}
}
addLoadEvent(iFocusChange);
</script>
</head>
<body>
<br />
<div align="center">
<div id="ifocus">
<div id="ifocus_pic">
<div id="ifocus_piclist" style="left:0; top:0;">
<ul>
<li><a href="#" target="_blank"><img src="/edu/img/js/200909/1.jpg" alt="武林三国" border="0" /></a></li>
<li><a href="#" target="_blank"><img src="/edu/img/js/200909/2.jpg" alt="武林英雄" border="0" /></a></li>
<li><a href="#" target="_blank"><img src="/edu/img/js/200909/3.jpg" alt="商业大亨" border="0" /></a></li>
<li><a href="#" target="_blank"><img src="/edu/img/js/200909/4.jpg" alt="帝国远征" border="0" /></a></li>
</ul>
</div>
<div id="ifocus_opdiv"></div>
<div id="ifocus_tx">
<ul>
<li class="current">2008年度排名第一的网页游戏</li>
<li class="normal">2009年最新的网页游戏 </li>
<li class="normal">商业大亨，挑战亿万富翁</li>
<li class="normal">一款2009年不得不玩的帝国远征</li>
</ul>
</div>
</div>
<div id="ifocus_btn">
<ul>
<li class="current"><img src="/edu/img/js/200909/s1.jpg" alt="" /></li>
<li class="normal"><img src="/edu/img/js/200909/s2.jpg" alt="" /></li>
<li class="normal"><img src="/edu/img/js/200909/s3.jpg" alt="" /></li>
<li class="normal"><img src="/edu/img/js/200909/s4.jpg" alt="" /></li>
</ul>
</div>
</div>
</div>
</body>
</html>

自己改图片链接和大小~~
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朴素且通达灬熊猫l
推荐于2016-11-27 · 超过48用户采纳过TA的回答
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假设你的图片代码<img src="" id="image" alt="ddd">
使用js来控制图片的切换（你可以使用一个数组来保存图片的名称pci[]）
以下为切换代码（建议定义成一个函数）
document.getElementById("image").src=pic[k];
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乌微月2S
2010-11-07 · TA获得超过5037个赞
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我空间有，给你找找！

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>insert </title>

<script language="javascript">
var arr=new Array("img1.jpeg","img2.jpeg","img3.jpeg","img4.jpeg","img5.jpeg","img6.jpeg","img7.jpeg","img8.jpeg","img9.jpeg");
var arr1=new Array("img9.jpeg","img1.jpeg","img2.jpeg","img3.jpeg","img4.jpeg","img5.jpeg","img6.jpeg","img7.jpeg","img8.jpeg");

var newarr=new Array();
function roll(){
var len=arr.length;
if(newarr.length==0){
}else{
arr=newarr;
}
for(var i=0;i<arr.length;i++){
var div=document.getElementById("div"+(i+1));
if(i==0){
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else if(i==1||i==7){
div.innerHTML="<img style='width:40px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else if(i==2||i==6){
div.innerHTML="<img style='width:60px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else if(i!=arr.length-1){
div.innerHTML="<img style='width:80px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else{
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[0]+"' onclick=''/>";
}
}
var temp=arr[0];
//alert(temp);
arr.shift();
newarr=arr;
//alert(newarr.length);
newarr[len-1]=temp;
//alert(newarr.length);
/*for(var i=0;i<newarr.length;i++){
alert(newarr[i]);
}*/
}
function rollBack(){
var len=arr.length;
if(newarr.length==0){
}else{
arr=newarr;
}
for(var i=0;i<arr.length;i++){
var div=document.getElementById("div"+(i+1));
if(i==0){
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[len-1]+"' onclick=''/>";
}else if(i==1||i==7){
div.innerHTML="<img style='width:40px;height:80px'src='"+arr[i-1]+"' onclick=''/>";
}else if(i==2||i==6){
div.innerHTML="<img style='width:60px;height:80px'src='"+arr[len-1]+"' onclick=''/>";
}else if(i!=8){
div.innerHTML="<img style='width:80px;height:80px'src='"+arr[i-1]+"' onclick=''/>";
}else if(i==8){
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[i-1]+"' onclick=''/>";
}
}
var temp=arr[len-1];
//alert(temp);
arr.pop();
arr.reverse();
arr[len-1]=temp;
newarr=arr.reverse();
/*for(var i=0;i<newarr.length;i++){
alert(newarr[i]);
}*/
}
</script>
<body>
<table>
<tr>
<td><div id="div1"><img style="width:20px;height:80px"src="img1.jpeg" onclick=""/></div><td>
<td><div id="div2"><img style="width:40px;height:80px"src="img2.jpeg" onclick=""/></div><td>
<td><div id="div3"><img style="width:60px;height:80px"src="img3.jpeg" onclick=""/></div><td>
<td><div id="div4"><img style="width:80px;height:80px"src="img4.jpeg" onclick=""/></div><td>
<td><div id="div5"><img style="width:80px;height:80px"src="img5.jpeg" onclick=""/></div><td>
<td><div id="div6"><img style="width:80px;height:80px"src="img6.jpeg" onclick=""/></div><td>
<td><div id="div7"><img style="width:60px;height:80px"src="img7.jpeg" onclick=""/></div><td>
<td><div id="div8"><img style="width:40px;height:80px"src="img8.jpeg" onclick=""/></div><td>
<td><div id="div9"><img style="width:20px;height:80px"src="img9.jpeg" onclick=""/></div><td>
</tr>
<tr>
<td colspan="4" align="left"><input type="button"value="next" onclick="roll()"/></td>
<td colspan="5"align="right"><input type="button"value="previous" onclick="rollBack()"/></td>
<tr>
</table>
</body>
</html>

完成普通功能！！不过2侧的3幅图像会压缩下1

修改后，增加通用性！length为页面显示的总图片数（左右3张度是压缩的）！
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>insert </title>

<script language="javascript">
var arr=new Array("img1.jpeg","img2.jpeg","img3.jpeg","img4.jpeg","img5.jpeg","img6.jpeg","img7.jpeg","img8.jpeg","img9.jpeg","img10.jpeg");
var arr1=new Array("img9.jpeg","img1.jpeg","img2.jpeg","img3.jpeg","img4.jpeg","img5.jpeg","img6.jpeg","img7.jpeg","img8.jpeg");
var length=9;
var len=arr.length;
var newarr=new Array();
function roll(){
//var len=arr.length;
if(newarr.length==0){
}else{
arr=newarr;
}
for(var i=0;i<length;i++){
var div=document.getElementById("div"+(i+1));
if(i==0){
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else if(i==1||i==length-2){
div.innerHTML="<img style='width:40px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else if(i==2||i==length-3){
div.innerHTML="<img style='width:60px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else if(i!=length-1){
div.innerHTML="<img style='width:80px;height:80px'src='"+arr[i+1]+"' onclick=''/>";
}else{
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[0]+"' onclick=''/>";
}
}
var temp=arr[0];
//alert(temp);
arr.shift();
newarr=arr;
//alert(newarr.length);
newarr[len-1]=temp;
//alert(newarr.length);
/*for(var i=0;i<newarr.length;i++){
alert(newarr[i]);
}*/
}
function rollBack(){
//var len=arr.length;
if(newarr.length==0){
}else{
arr=newarr;
}
for(var i=0;i<length;i++){
var div=document.getElementById("div"+(i+1));
if(i==0){
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[len-1]+"' onclick=''/>";
}else if(i==1||i==length-2){
div.innerHTML="<img style='width:40px;height:80px'src='"+arr[i-1]+"' onclick=''/>";
}else if(i==2||i==length-3){
div.innerHTML="<img style='width:60px;height:80px'src='"+arr[i-1]+"' onclick=''/>";
}else if(i!=length-1){
div.innerHTML="<img style='width:80px;height:80px'src='"+arr[i-1]+"' onclick=''/>";
}else if(i==length-1){
div.innerHTML="<img style='width:20px;height:80px'src='"+arr[i-1]+"' onclick=''/>";
}
}
var temp=arr[len-1];
//alert(temp);
arr.pop();
arr.reverse();
arr[len-1]=temp;
newarr=arr.reverse();
/*for(var i=0;i<newarr.length;i++){
alert(newarr[i]);
}*/
}
</script>
<body>
<table>
<tr>
<td><div id="div1"><img style="width:20px;height:80px"src="img1.jpeg" onclick=""/></div><td>
<td><div id="div2"><img style="width:40px;height:80px"src="img2.jpeg" onclick=""/></div><td>
<td><div id="div3"><img style="width:60px;height:80px"src="img3.jpeg" onclick=""/></div><td>
<td><div id="div4"><img style="width:80px;height:80px"src="img4.jpeg" onclick=""/></div><td>
<td><div id="div5"><img style="width:80px;height:80px"src="img5.jpeg" onclick=""/></div><td>
<td><div id="div6"><img style="width:80px;height:80px"src="img6.jpeg" onclick=""/></div><td>
<td><div id="div7"><img style="width:60px;height:80px"src="img7.jpeg" onclick=""/></div><td>
<td><div id="div8"><img style="width:40px;height:80px"src="img8.jpeg" onclick=""/></div><td>
<td><div id="div9"><img style="width:20px;height:80px"src="img9.jpeg" onclick=""/></div><td>
</tr>
<tr>
<td colspan="4" align="left"><input type="button"value="next" onclick="roll()"/></td>
<td colspan="5"align="right"><input type="button"value="previous" onclick="rollBack()"/></td>
<tr>
</table>
</body>
</html>

图片，你自己弄一下！
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匿名用户
2010-11-11
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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

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

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leishiwo31
2012-09-02 · 贡献了超过158个回答
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去懒人之家里看看，那里可选择性比较大
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