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jquery implements horizontal image carousel special effects code sharing_jquery
jquery implements horizontal image carousel special effects code sharing_jquery
A horizontal carousel focus image in pure jq form, which can be switched by clicking the small dot or the left and right buttons. It is a fixed-width type. It is not difficult to change to adaptive width. Change the width of bannerCon in CSS to percentage, and then change the width of ul and li to follow the width of the parent container in js. You need to use $(window).resize.
Compatible with IE6 and above browsers, there are two parameters that can be changed: carousel speed and switching interval. The rendering is as follows:
Html code is as follows:
<!doctype html> <html lang="zh-CN"> <head> <meta charset="utf-8"> <title>banner图</title> <link href="css/style.css" rel="stylesheet"/> <script src="js/jquery-1.9.1.min.js"></script> <script src="js/common.js"></script> </head> <body> <div class="wrap"> <div class="banner"> <div class="bannerCon"> <ul class="imgList clearfix"> <li><a href="#"><img src="images/banner01.jpg" alt=""/></a></li> <li><a href="#"><img src="images/banner02.jpg" alt=""/></a></li> <li><a href="#"><img src="images/banner03.jpg" alt=""/></a></li> </ul> <ul class="btnList clearfix"> <li class="cur"><span></span></li> <li><span></span></li> <li><span></span></li> </ul> <span class="pre-nex prev"><</span> <span class="pre-nex next">></span> </div> </div> </div> </body> </html>
Css style is as follows:
@charset "utf-8";
/* 简单reset */
body, p, ul, ol, li {
margin: 0;
padding: 0;
}
ul, ol {
list-style: none;
}
img { border:none; }
a,button{ outline: none; }
.clearfix:after {
visibility: hidden;
display: block;
font-size: 0;
content: " ";
clear: both;
height: 0;
}
/* 具体样式 */
.banner {
position: relative;
height: 400px;
overflow: hidden;
}
.banner .bannerCon {
position: absolute;
top: 0;
left: 50%;
width: 800px;
height: 400px;
margin-left: -400px;
overflow: hidden;
}
.bannerCon .imgList {
position: absolute;
top: 0;
left: 0;
width: 99999px;
height: 400px;
}
.bannerCon .imgList li {
float: left;
width: 800px;
height: 400px;
}
.bannerCon .imgList li a {
position: relative;
display: block;
height: 100%;
}
.bannerCon .imgList li img {
width: 800px;
height: 400px;
}
.bannerCon .pre-nex {
display: none;
position: absolute;
top: 50%;
width: 40px;
height: 60px;
margin-top: -40px;
font: bold 40px/60px Simsun;
color: #ccc;
text-align: center;
border:none;
background: rgba(0,0,0,.30);
filter:progid:DXImageTransform.Microsoft.Gradient(startColorStr=#4c000000, endColorStr=#4c000000);
cursor: pointer;
z-index: 3;
}
.bannerCon .pre-nex.show { display: inline-block; }
.bannerCon .prev { left: 13%; }
.bannerCon .next { right: 13%; }
.bannerCon .btnList {
position: absolute;
left: 0;
bottom: 20px;
width: 100%;
height: 12px;
text-align:center;
z-index: 2;
_overflow: hidden;
}
.bannerCon .btnList li { display: inline; }
.bannerCon .btnList li span {
display: inline-block;
width: 12px;
height: 12px;
margin: 0 5px;
border-radius: 6px;
background-color:#14829e;
cursor: pointer;
}
.bannerCon .btnList li.cur span { background-color: #f30; }Js code is as follows:
//加载在文本读取之后的js语句 开始 =============================================================
function Scroll(obj,speed,interval){ //父级容器，轮播速度，切换间隔
$("."+obj).each(function(){
var $box = $(this),
$imgUl = $box.children(".imgList"),
$imgLi = $imgUl.children("li"),
$btnUl = $box.children(".btnList"),
$btnLi = $btnUl.children("li"),
$btnPreNex = $box.children(".pre-nex"),
$btnPre = $box.children(".prev"),
$btnNex = $box.children(".next"),
n = $imgLi.length,
width = $imgLi.width(),
left = parseFloat($imgUl.css("left")),
k = 0,
Player;
$imgUl.css("width",n*width);
function scroll(){ //轮播事件
$imgUl.stop().animate({left:-width},speed,function(){
k += 1;
$imgUl.css("left",0);
$imgUl.children("li:first").appendTo($(this));
$btnLi.removeClass('cur');
if(k >= n){
k = 0;
}
$btnUl.children("li").eq(k).addClass('cur');
});
}
$btnLi.click(function(){ //小圆点点击事件
var index = $btnLi.index(this);
$(this).addClass('cur').siblings("li").removeClass('cur');
if(index >= k){
var dif = index-k;
left = -dif*width;
$imgUl.stop().animate({left:left},speed,function(){
$imgUl.css("left",0);
$imgUl.children("li:lt("+dif+")").appendTo($imgUl);
});
}
else{
var j = n-(k-index);
$imgUl.css("left",(index-k)*width);
$imgUl.children("li:lt("+j+")").appendTo($imgUl);
$imgUl.stop().animate({left:0},speed);
}
k = index;
});
$btnPreNex.click(function(){ //左右按钮点击事件
var index = $btnLi.index(this);
if($(this).hasClass('next')){
if(!$imgUl.is(":animated")){
k += 1;
$imgUl.animate({left:-width},speed,function(){
$imgUl.css("left",0);
$imgUl.children("li:first").appendTo($(this));
if(k >= n){
k = 0;
}
$btnUl.children("li").removeClass('cur').eq(k).addClass('cur');
});
}
}
else {
if(!$imgUl.is(":animated")){
k += -1;
$imgUl.css("left",-width);
$imgUl.children("li:last").prependTo($imgUl);
$imgUl.stop().animate({left:0},speed);
if(k < 0){
k = n-1;
}
$btnUl.children("li").removeClass('cur').eq(k).addClass('cur');
}
}
});
$box.hover( //鼠标移入、移出事件
function(){
clearInterval(Player);
$btnPreNex.addClass('show');
},
function(){
Player = setInterval(function(){scroll()},interval);
$btnPreNex.removeClass('show');
}
);
Player = setInterval(function(){scroll()},interval);
});
}
$(function () { //读取轮播事件
Scroll("bannerCon",600,4000);
}); Pay attention to loading the jq library. I am using 1.9.1. In fact, 1.7 is fine.
The above is the jquery image carousel effect shared with you. I hope it will be helpful to your learning.
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