使用js实现图片切换
2012-11-24 09:35
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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" lang="gb2312">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>漂亮js图片切换效果，sky整理收集。</title>
<style type="text/css">
* { margin:0; padding:0; }
body {
margin:0;
color:#88c; background:#333;
}
img { margin:0; padding:0; border:0; }
#js_F {
position:relative;
top:10px; left:10px;
overflow:hidden;
width:400px; height:300px;
background:#33c;
}
.div_img {
position:absolute; top:0;
width:400px; height:300px;
cursor:pointer;
}
#div_img_0 { z-index:5; left:0; }
#div_img_1 { z-index:4; left:25px; }
#div_img_2 { z-index:3; left:50px; }
#div_img_3 { z-index:2; left:75px; }
#div_img_4 { z-index:1; left:100px; }
</style>
</head>
<body>
<div id="js_F">
<div id="div_img_0" class="div_img"><img src="/image/1.jpg" onmouseover="jsf_mmove(0)" /></div>
<div id="div_img_1" class="div_img"><img src="/image/2.jpg" onmouseover="jsf_mmove(1)" /></div>
<div id="div_img_2" class="div_img"><img src="/image/3.jpg" onmouseover="jsf_mmove(2)" /></div>
<div id="div_img_3" class="div_img"><img src="/image/4.jpg" onmouseover="jsf_mmove(3)" /></div>
<div id="div_img_4" class="div_img"><img src="/image/5.jpg" onmouseover="jsf_mmove(4)" /></div>
</div>
<script type="text/javascript">
var div_imgs =
document.getElementById("js_F").getElementsByTagName("div");
var imgLeft = [0, 25, 50, 75, 100]; //5个图片的初始left值
var imgWidth = 400; //图片的宽度
var atf = [true, true, true, true, true]; //5个图片的位置：true为右边，false为左边
var speed1 = 10, speed2 = 2000, mo = 15; //速度
var sTo;
function jsf_move(n){
clearTimeout(sTo);
var thisL; //图片left值
if (atf
) { //要移动的图片在右边
//需移动的图片（包括该图片左边的所有图片）向左边移动)
for (var i=0; i<=n; i++) { //当前值-(图片宽度-(当前值-初始值))/速度
thisL = parseInt(getStyle(div_imgs[i],"left"));
div_imgs[i].style.left = thisL - Math.ceil((imgWidth-(imgLeft[i]-thisL))/mo) + "px";
if (i<n) atf[i] = false; //更改图片的位置状态
}
} else { //要移动的图片在左边
//需移动的图片（包括该图片右边的所有图片）向右边移动)
for (var i=4; i>=n; i--) { //当前值+(当前值-初始值)/速度
thisL = parseInt(getStyle(div_imgs[i],"left"));
div_imgs[i].style.left = thisL + Math.ceil(Math.abs(thisL-imgLeft[i])/mo) + "px";
if (i>n) atf[i] = true; //更改图片的位置状态
}
}
thisL = parseInt(getStyle(div_imgs
,"left"));
if ((atf
&& thisL>(imgLeft
-imgWidth)) || (!atf
&& thisL<imgLeft
)) {
//当前图片移动未结束，继续移动当前图片
sTo = setTimeout(function(){jsf_move(n);}, speed1);
} else {
//当前图片移动结束，准备移动下一张图片
if (n>=3 && atf
) {
atf
= false;
sTo = setTimeout(function(){jsf_move(n);}, speed2);
} else if (n==0 && !atf
) {
atf
= true;
sTo = setTimeout(function(){jsf_move(n);}, speed2);
} else if (atf
){
atf
= false;
sTo = setTimeout(function(){jsf_move(++n);}, speed2);
} else {
sTo = setTimeout(function(){jsf_move(--n);}, speed2);
}
}
}
//判断图片的位置
function jsf_mmove(n){
clearTimeout(sTo);
switch (n){
case 0 :
atf[0] = false;
jsf_move(0);
break;
case 1 :
case 2 :
case 3 :
if (atf[n-1]) {
sTo = setTimeout(function(){jsf_move(n-1);}, speed1);
} else if (atf
) {
atf[n-1] = true;
sTo = setTimeout(function(){jsf_move(n-1);}, speed1);
} else {
sTo = setTimeout(function(){jsf_move(n);}, speed1);
}
break;
case 4 :
atf = [false, false, false, true, true];
jsf_move(3);
break;
}
}
window.onload = function(){
sTo = setTimeout("jsf_move(0)",speed2);
}
function getStyle( elem, name ) {
if (elem.style[name]) { return elem.style[name]; }
else if (elem.currentStyle) { return elem.currentStyle[name]; }
else if (document.defaultView && document.defaultView.getComputedStyle) {
name = name.replace(/([A-Z])/g,"-$1");
name = name.toLowerCase();
var s = document.defaultView.getComputedStyle(elem,"");
return s && s.getPropertyValue(name);
}
else { return null; }
}
</script>
</body>
</html>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="gb2312">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>漂亮js图片切换效果，sky整理收集。</title>
<style type="text/css">
* { margin:0; padding:0; }
body {
margin:0;
color:#88c; background:#333;
}
img { margin:0; padding:0; border:0; }
#js_F {
position:relative;
top:10px; left:10px;
overflow:hidden;
width:400px; height:300px;
background:#33c;
}
.div_img {
position:absolute; top:0;
width:400px; height:300px;
cursor:pointer;
}
#div_img_0 { z-index:5; left:0; }
#div_img_1 { z-index:4; left:25px; }
#div_img_2 { z-index:3; left:50px; }
#div_img_3 { z-index:2; left:75px; }
#div_img_4 { z-index:1; left:100px; }
</style>
</head>
<body>
<div id="js_F">
<div id="div_img_0" class="div_img"><img src="/image/1.jpg" onmouseover="jsf_mmove(0)" /></div>
<div id="div_img_1" class="div_img"><img src="/image/2.jpg" onmouseover="jsf_mmove(1)" /></div>
<div id="div_img_2" class="div_img"><img src="/image/3.jpg" onmouseover="jsf_mmove(2)" /></div>
<div id="div_img_3" class="div_img"><img src="/image/4.jpg" onmouseover="jsf_mmove(3)" /></div>
<div id="div_img_4" class="div_img"><img src="/image/5.jpg" onmouseover="jsf_mmove(4)" /></div>
</div>
<script type="text/javascript">
var div_imgs =
document.getElementById("js_F").getElementsByTagName("div");
var imgLeft = [0, 25, 50, 75, 100]; //5个图片的初始left值
var imgWidth = 400; //图片的宽度
var atf = [true, true, true, true, true]; //5个图片的位置：true为右边，false为左边
var speed1 = 10, speed2 = 2000, mo = 15; //速度
var sTo;
function jsf_move(n){
clearTimeout(sTo);
var thisL; //图片left值
if (atf
) { //要移动的图片在右边
//需移动的图片（包括该图片左边的所有图片）向左边移动)
for (var i=0; i<=n; i++) { //当前值-(图片宽度-(当前值-初始值))/速度
thisL = parseInt(getStyle(div_imgs[i],"left"));
div_imgs[i].style.left = thisL - Math.ceil((imgWidth-(imgLeft[i]-thisL))/mo) + "px";
if (i<n) atf[i] = false; //更改图片的位置状态
}
} else { //要移动的图片在左边
//需移动的图片（包括该图片右边的所有图片）向右边移动)
for (var i=4; i>=n; i--) { //当前值+(当前值-初始值)/速度
thisL = parseInt(getStyle(div_imgs[i],"left"));
div_imgs[i].style.left = thisL + Math.ceil(Math.abs(thisL-imgLeft[i])/mo) + "px";
if (i>n) atf[i] = true; //更改图片的位置状态
}
}
thisL = parseInt(getStyle(div_imgs
,"left"));
if ((atf
&& thisL>(imgLeft
-imgWidth)) || (!atf
&& thisL<imgLeft
)) {
//当前图片移动未结束，继续移动当前图片
sTo = setTimeout(function(){jsf_move(n);}, speed1);
} else {
//当前图片移动结束，准备移动下一张图片
if (n>=3 && atf
) {
atf
= false;
sTo = setTimeout(function(){jsf_move(n);}, speed2);
} else if (n==0 && !atf
) {
atf
= true;
sTo = setTimeout(function(){jsf_move(n);}, speed2);
} else if (atf
){
atf
= false;
sTo = setTimeout(function(){jsf_move(++n);}, speed2);
} else {
sTo = setTimeout(function(){jsf_move(--n);}, speed2);
}
}
}
//判断图片的位置
function jsf_mmove(n){
clearTimeout(sTo);
switch (n){
case 0 :
atf[0] = false;
jsf_move(0);
break;
case 1 :
case 2 :
case 3 :
if (atf[n-1]) {
sTo = setTimeout(function(){jsf_move(n-1);}, speed1);
} else if (atf
) {
atf[n-1] = true;
sTo = setTimeout(function(){jsf_move(n-1);}, speed1);
} else {
sTo = setTimeout(function(){jsf_move(n);}, speed1);
}
break;
case 4 :
atf = [false, false, false, true, true];
jsf_move(3);
break;
}
}
window.onload = function(){
sTo = setTimeout("jsf_move(0)",speed2);
}
function getStyle( elem, name ) {
if (elem.style[name]) { return elem.style[name]; }
else if (elem.currentStyle) { return elem.currentStyle[name]; }
else if (document.defaultView && document.defaultView.getComputedStyle) {
name = name.replace(/([A-Z])/g,"-$1");
name = name.toLowerCase();
var s = document.defaultView.getComputedStyle(elem,"");
return s && s.getPropertyValue(name);
}
else { return null; }
}
</script>
</body>
</html>
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