手动点击翻滚图片

hengjian168520 2010-11-12 04:13:25

今天我们领导给我一个这样任务，要用手动点击翻滚图片，就和百度图片库里面那种差不多一样，有一个小箭头点击跳入下一张图片，我从来没做过这种，请问哪位大哥会做给个方案，或实例。在这里先感谢一下。。

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mokson 2010-11-14

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启发很大！

304的的哥 2010-11-12

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希望能给你些提示！
http://student.csdn.net/space.php?uid=442626&do=blog&id=47110

hch126163 2010-11-12

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http://www.popub.net/script/MSClass.html

wjq520xmf 2010-11-12

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修改一下就可以了
<!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>淘宝图片切换</title>
<style type="text/css">
* {margin:0; padding:0; vertical-align:top;}
img{border:0 none}
.photo{ width:736px; height:213px; overflow:hidden; position:relative}
.photo .step{ position:absolute; bottom:10px;right:15px; height:23px; z-index:2; color:#fff; font-size:14px; font-weight:bold;vertical-align:middle; cursor:pointer}
.photo .step em{ margin:0 5px}
.photo ul{ float:left; position:absolute;top:0;left:0;width:2208px}
.photo li{ float:left;background:#09e; }
.photo li img{ display:block;width:736px;height: 213px; }
</style>
</head>
<body>

<div class="column">
<div class="photo" id="photo">
<ul class="clear" id="photo-sub" style="width:2944px">
<li><a href="#nogo" title="四季如春" target="_blank"><img src="/jscss/demoimg/wall1.jpg" alt="" /></a></li>
<li><a href="#nogo" title="世界风光" target="_blank"><img src="/jscss/demoimg/wall2.jpg" alt="" /></a></li>
<li><a href="#nogo" title="黄河之谜" target="_blank"><img src="/jscss/demoimg/wall3.jpg" alt="" /></a></li>
<li><a href="#nogo" title="仅供测试" target="_blank"><img src="/jscss/demoimg/wall4.jpg" alt="" /></a></li>
</ul>
<div class="step" id="step-num"><span>上一页</span><em>1</em>/<em>3</em><span>下一页</span></div>
</div>
</div>

<script type="text/javascript">
function photoAlbumn(photoObj,btnObj,numObj){
var moveNum = 1,
_void=true,
cloneObj,nums,
voidClone=false,
d=document,
elem = d.getElementById(photoObj),
btnObj=d.getElementById(btnObj),
numObj=d.getElementById(numObj);
if (!elem) return false;
if (!btnObj) return false;
var elemObj = elem.getElementsByTagName("li"),
autoWidth = elemObj[0].offsetWidth,
btns = btnObj.getElementsByTagName("span"),
max=elemObj.length;
elem.style.width = (max+1)*autoWidth + "px";
var numElement =function(){
if(numObj){
nums = numObj.getElementsByTagName("em");
nums[1].innerHTML = max;
nums[0].innerHTML = moveNum;
}
}
var moveElement =function(final_x,final_y,interval){
_void = false;
var step = function () {
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);
//alert(xpos)
if (xpos == final_x && ypos == final_y) {
_void = true;
if(voidClone){
elem.style.left = (moveNum > 2)?(-(max-1)*autoWidth +"px"):"0px";
elem.removeChild(cloneObj);
voidClone = 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";
elem.movement = setTimeout(function(){step()},interval);
}
elem.movement = setTimeout(function(){step()},interval);
} ;
var moveAutoShow = function (){
moveNum++;
if(moveNum > max){
cloneObj = elemObj[0].cloneNode(true);
elem.appendChild(cloneObj);
voidClone = true;
}
moveElement(-autoWidth*(moveNum-1),0,5);
if(moveNum > max) moveNum=1;
numElement();
};
var prepareSlideshow = function (){
var moveAuto = setInterval(function(){moveAutoShow()},5000);
btns[0].onmousedown = function() {
if(!_void) return false;
clearInterval(moveAuto);
moveNum--;
if(moveNum < 1){
cloneObj = elemObj[(max-1)].cloneNode(true);
cloneObj.style.cssText=";position:absolute;left:-" + autoWidth +"px";
elem.insertBefore(cloneObj,elemObj[0]);
voidClone = true;
}
moveElement(-autoWidth*(moveNum-1),0,5);
moveAuto = setInterval(function(){moveAutoShow()},5000);
if(moveNum < 1) moveNum=max;
numElement();
}
btns[1].onmousedown = function() {
if(!_void) return false;
clearInterval(moveAuto);
moveNum++;
if(moveNum > max){
cloneObj = elemObj[0].cloneNode(true);
elem.appendChild(cloneObj);
voidClone = true;
}
moveElement(-autoWidth*(moveNum-1),0,5);
moveAuto = setInterval(function(){moveAutoShow()},5000);
if(moveNum > max) moveNum=1;
numElement();
}
};
numElement();
prepareSlideshow();
}
photoAlbumn("photo-sub","photo","step-num");
</script>
</body>
</html>

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