这篇“jquery怎么实现轮播器”文章的知识点大部分人都不太理解，所以小编给大家总结了以下内容，内容详细，步骤清晰，具有一定的借鉴价值，希望大家阅读完这篇文章能有所收获，下面我们一起来看看这篇“jquery怎么实现轮播器”文章吧。
一、把如下保存为一个独立的文件 itemPlayerApp.js ：
//attend: this need jQuery.js support
var itemPlayerApp={
author:'shenzhenNBA',
version:'v1.0',
appMaxNum:0,
playData:'1xplay',
playerID:"",
speed:3000,
appPlay:function(){
var f=this.playData.toLowerCase().split('x');
if(f[1]=='play'){
var i;
try{i=parseInt(f[0]);}catch(e){i=0;}
if(i>=this.appMaxNum){i=0;}
this.appTab(i);
this.playData=(++i)+"xplay";
}
},
appTab:function(tabIndex){
var k,j;
try{k=parseInt(tabIndex);}catch(e){k=0;}
for(j=0;j<this.appMaxNum;j++){
if(k==j){
$('#itemNav'+j).css({'background-color':'#333333','color':'#FFFFFF'});
$('#item'+j).show('fast');
}else{
$('#itemNav'+j).css({'background-color':'#CCCCCC','color':'#000000'});
$('#item'+j).hide('fast');
}
}
},
appActive:function(){
var _this = this;
this.playerID = setInterval(function(){ _this.appPlay(); },this.speed);
},
init:function(refContainerId,intervalTime,refWidth,refHeight){
var cid = "";
var w = 300;
var h = 200;
if(refContainerId == 'undefined' || refContainerId == null || refContainerId == ''){
return;
}else{
cid = $.trim(refContainerId);
}
if(refWidth == 'undefined' || refWidth == null || refWidth == ''){
w = 300;
}else{
w = parseInt(refWidth);
}
if(refHeight == 'undefined' || refHeight == null || refHeight == ''){
h = 200;
}else{
h = parseInt(refHeight);
}
$('#' + cid).css({"position":"relative",'width':w,'height':h,'overflow':'hidden'});
$('#' + cid + "NavCon").css({'color':'#333333','height':'26px','position':'absolute','width':'95%','left':'0','bottom':'3px','text-align':'right','display':'block'});
var t = 0;
if(intervalTime == 'undefined' || intervalTime == null){
t = 3000;
}else{
try{ t = parseInt(intervalTime);}catch(e){ t = 3000;}
}
this.speed = t;
var navList = "#" + cid + "NavCon a";
this.appMaxNum = $(navList).size();
if(0 == this.appMaxNum){ return; }
var _this = this;
$(navList).each(function(i){
$(this).css({'padding':'2px 5px','margin-right':'2px','background-color':'#CCCCCC'});
if(i == 0){
$(this).css({'background-color':'#333333','color':'#FFFFFF'});
}
$(this).mouseover(function(){
_this.playData=i+'xstop';
_this.appTab(i);
});
$(this).mouseout(function(){
_this.playData=i+'xplay';
_this.appTab(i);
});
});
}
};二、如何使用：
1.需要使用的web页面中引入jQery文件和本 itemPlayerApp.js 文件，例如:
<script language="javascript" src="xpath/itemPlayer.js"></script>
2.建立如下格式的HTML文件
<div id="containerID"> <div id="containerIDNavCon"> <a id="itemNav0" class="item1" href="#">1</a> <a id="itemNav1" class="item1" href="#">2</a> <a id="itemNav2" class="item1" href="#">3</a> </div> <div id="containerIDItemCon"> <a id="item0" href="#"><img src="img/pic0.jpg" width="300" height="200"></a> <a id="item1" href="#"><img src="img/pic1.jpg" width="300" height="200"></a> <a id="item2" href="#"><img src="img/pic2.jpg" width="300" height="200"></a> </div> </div>
注意：因为尽量简单，所以需要建立适当格式的HTML,主要要求如下，注意颜色部分，
//A, id = containerIDNavCon和 id = containerIDItemCon 中的连接 A 元素的数量应该相等；
//B, 导航容器的 ID 构成应为主容器 ID 加上 NavCon，如上 containerIDNavCon；
//C, 导航容器中的每个 A 元素的 ID 构成为，itemNav 加上以0开始的递增数字序列，如上面的绿色部分；
//D, 显示项目容器内的每个 A 元素的 ID 构成为，item 加上以0开始的递增数字序列，如上面的紫色部分；
3.在WEB页面中的加载事件onload，初始化和启用该轮播功能，例如:
window.onload=function(){
itemPlayerApp.init('containerID',3000,300,200);
itemPlayerApp.active();
}
三、如下一个例子
假如所有文件都放在一个文件夹里，
<!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>TEST</title>
<script language="javascript" type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script>
<script language="javascript" type="text/javascript" src="itemPlayerApp.js"></script>
<style type="text/css">
*{font-family:"宋体",verdana,arial; font-size:12px;color:#000000;}
#playerBox{font-family:"宋体",verdana,arial; font-size:12px;color:#000000;}
</style>
</head>
<body>
<div id="playerBox" class="columnLeft01 box02">
<div id="playerBoxNavCon">
<a id="itemNav0" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >1</a>
<a id="itemNav1" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >2</a>
<a id="itemNav2" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >3</a>
</div>
<div id="playerBoxItemCon">
<a id="item0" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><img src="https://cache.yisu.com/upload/ask_collection/20210725/111/118923.gif" width="100%" height="200" border="0"></a>
<a id="item1" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><img src="https://cache.yisu.com/upload/information/20200622/114/73923.gif" width="100%" height="200" border="0"></a>
<a id="item2" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><img src="https://cache.yisu.com/upload/information/20200622/114/73924.jpg" width="100%" height="200" border="0"></a>
</div>
</div>
<p> </p>
<p>项目循环轮播功能</p>
<script language="javascript" type="text/javascript">
window.onload=function(){
itemPlayerApp.init('playerBox',3000,300,200);
itemPlayerApp.appActive();
}
</script>
</body>
</html>提示: jQuery.js 的文件请网上自己下载。
以上就是关于“jquery怎么实现轮播器”这篇文章的内容，相信大家都有了一定的了解，希望小编分享的内容对大家有帮助，若想了解更多相关的知识内容，请关注亿速云行业资讯频道。
免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
