轮播图实现方式
一、利用jQuery实现
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>jq轮播图</title>
<style type="text/css">
body, ul {
margin: 0;
padding: 0;
}
ul {
list-style: none;
}
.scroll {
position: relative;
200px;
height: 75px;
/*border: 1px solid black;*/
margin: 150px auto;
overflow: hidden;
user-select: none;
}
.view {
position: absolute;
/*轮播图动画的主体*/
left: -200px;
/*?*/
calc(200px * 6);
height: 75px;
}
.slide {
200px;
height: 75px;
float: left;
text-align: center;
font-size: 30px;
line-height: 75px;
}
</style>
<style type="text/css">
.tag {
position: absolute;
bottom: 5px;
right: 5px;
}
.tag li {
10px;
height: 10px;
border-radius: 50%;
border: 1px solid #888;
float: left;
margin-left: 5px;
cursor: pointer;
}
.tag .active {
background-color: #333;
}
</style>
<style type="text/css">
.left, .right {
20px;
height: 30px;
background-color: rgba(0, 0, 0, 0.4);
top: 22px;
text-align: center;
line-height: 30px;
cursor: pointer;
}
.left {
position: absolute;
left: 2px;
}
.right {
position: absolute;
right: 2px;
}
</style>
</head>
<body>
<div class="scroll">
<!-- view -->
<ul class="view">
<li class="slide" style="background-color: cyan">4</li>
<li class="slide" style="background-color: red">1</li>
<li class="slide" style="background-color: orange">2</li>
<li class="slide" style="background-color: pink">3</li>
<li class="slide" style="background-color: cyan">4</li>
<li class="slide" style="background-color: red">1</li>
</ul>
<!-- tag -->
<ul class="tag">
<li class="active"></li>
<li></li>
<li></li>
<li></li>
</ul>
<!-- toggle -->
<div class="toggle">
<div class="left"><</div>
<div class="right">></div>
</div>
</div>
</body>
<script src="js/jquery-3.3.1.min.js"></script>
<script type="text/javascript">
$(function () {
var scroll_disable = false;
// tag action
$('.tag').children().click(function () {
// console.log($(this).index());
// var $li = $(this);
// 切换活跃的tag li
$(this).siblings('.active').removeClass("active");
$(this).addClass('active');
// 当前点击点的索引
var current_index = $(this).index(); // 0 | 1 | 2 | 3
console.log(current_index);
// 一次动画滚动的距离
var scroll_width = $('.slide').width();
// 切换图片 view
$(this).parent().prev().animate({
// +1 初始左侧有一张假图
left: -(current_index + 1) * scroll_width
}, 300)
})
// right btn action
$('.right').click(function () {
if (!scroll_disable) {
// 在本次动画未结束时,让用户无法进行下一次点击
scroll_disable = true;
// console.log("right btn action");
// 图片右滚
// 点击一下右键,在原位置(left偏移)基础上往右滚一个图片宽度
// offset() 距离窗口左上角的top与left
// console.log($('.view').offset());
// position() 距离定位父级左上角的top与left
// console.log($('.view').position());
// 当前整个view的做左移量
var current_left = $('.view').position().left;
// 一次动画滚动的距离
var scroll_width = $('.slide').width();
$('.view').animate({
left: current_left - scroll_width
}, 300, function () {
scroll_disable = false;
// 显示末尾假图时
// console.log(current_left);
if (current_left <= -(scroll_width * 4)) {
// 切换为首位真图
$(this).css({
left: -scroll_width
})
}
})
// tag切换
var index = Math.abs(current_left / scroll_width);
// console.log(index);
if (index == 4) {
index = 0;
}
// tag下面的index索引指向的li变成活跃状态,该li的其他兄弟,都变成不活跃状态
$current_li = $('.tag').children().eq(index);
$current_li.addClass('active');
$current_li.siblings().removeClass('active');
// $('.tag').children().eq(index).addClass('active').siblings().removeClass('active');
}
})
// left btn action
$('.left').click(function () {
if (!scroll_disable) {
// 取消滚动
scroll_disable = true;
// 图片左滚
// 当前整个view的做左移量
var current_left = $('.view').position().left;
// '-200px' => -200
// var current_left = parseInt($('.view').css('left'));
// 一次动画滚动的距离
var scroll_width = $('.slide').width();
$('.view').animate({
left: current_left + scroll_width // 决定方向
}, 300, function () {
// 动画结束回调函数
// 重新可以滚动
scroll_disable = false;
// 在首位假图时
// console.log(current_left);
if (current_left >= -scroll_width) { // 决定假图往真图切换的位置点
$(this).css({
left: -scroll_width * 4
})
}
})
// tag切换
// 对应关系 1=>3 4=>2 3=>1 2=>0
var index = Math.abs(current_left / scroll_width) - 2;
index = parseInt(index);
if (index == -1) {
index = 3
}
// console.log(index);
$current_li = $('.tag').children().eq(index);
$current_li.addClass('active');
$current_li.siblings().removeClass('active');
}
})
// 自动播放
var timer = 0;
function autoScroll() {
timer = setInterval(function () {
if (!scroll_disable) {
scroll_disable = true;
var current_left = $('.view').position().left;
var scroll_width = $('.slide').width();
$('.view').animate({
left: current_left - scroll_width
}, 300, function () {
scroll_disable = false;
if (current_left <= -(scroll_width * 4)) {
$(this).css({
left: -scroll_width
})
}
})
var index = Math.abs(current_left / scroll_width);
if (index == 4) {
index = 0;
}
$('.tag').children().eq(index).addClass('active').siblings().removeClass('active');
}
}, 2500)
}
// 自启
autoScroll()
$('.scroll').mouseover(function () {
clearInterval(timer)
})
$('.scroll').mouseout(function () {
autoScroll()
})
})
</script>
</html>
二、利用bootstrap框架中的JS插件实现
参考bootstrap 中文文档：https://v3.bootcss.com/javascript/#scrollspy
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <link rel="stylesheet" type="text/css" href="bootstrap-3.3.7-dist/css/bootstrap.css"> </head> <body> <div id="carousel-example-generic" class="carousel slide" data-ride="carousel"> <!-- Indicators --> <ol class="carousel-indicators"> <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li> <li data-target="#carousel-example-generic" data-slide-to="1"></li> <li data-target="#carousel-example-generic" data-slide-to="2"></li> </ol> <!-- Wrapper for slides --> <div class="carousel-inner" role="listbox"> <div class="item active"> <img src="..." alt="..."> <div class="carousel-caption"> ... </div> </div> <div class="item"> <img src="..." alt="..."> <div class="carousel-caption"> ... </div> </div> ... </div> <!-- Controls --> <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev"> <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span> <span class="sr-only">Previous</span> </a> <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next"> <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span> <span class="sr-only">Next</span> </a> </div> </body> <script src="bootstrap-3.3.7-dist/js/jquery-3.3.1.min.js"></script> <script src="bootstrap-3.3.7-dist/js/bootstrap.js"></script> </html>
三、swiper实现轮播图
swiper官网：https://www.swiper.com.cn/demo/index.html
在swiper中哥各种样式的轮播图
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Swiper demo</title> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1"> <!-- Link Swiper's CSS --> <link rel="stylesheet" href="../dist/css/swiper.min.css"> <!-- Demo styles --> <style> html, body { position: relative; height: 100%; } body { background: #eee; font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 14px; color:#000; margin: 0; padding: 0; } .swiper-container { width: 100%; height: 100%; } .swiper-slide { background-position: center; background-size: cover; } </style> </head> <body> <!-- Swiper --> <div class="swiper-container"> <div class="swiper-wrapper"> <div class="swiper-slide" style="background-image:url(img/fade1.jpg)"></div> <div class="swiper-slide" style="background-image:url(img/fade2.jpg)"></div> <div class="swiper-slide" style="background-image:url(img/fade3.jpg)"></div> <div class="swiper-slide" style="background-image:url(img/fade4.jpg)"></div> <div class="swiper-slide" style="background-image:url(img/fade5.jpg)"></div> </div> <!-- Add Pagination --> <div class="swiper-pagination swiper-pagination-white"></div> <!-- Add Arrows --> <div class="swiper-button-next swiper-button-white"></div> <div class="swiper-button-prev swiper-button-white"></div> </div> <!-- Swiper JS --> <script src="../dist/js/swiper.min.js"></script> <!-- Initialize Swiper --> <script> var swiper = new Swiper('.swiper-container', { spaceBetween: 30, effect: 'fade', pagination: { el: '.swiper-pagination', clickable: true, }, navigation: { nextEl: '.swiper-button-next', prevEl: '.swiper-button-prev', }, }); </script> </body> </html>
/**
* Swiper 4.4.1
* Most modern mobile touch slider and framework with hardware accelerated transitions
* http://www.idangero.us/swiper/
*
* Copyright 2014-2018 Vladimir Kharlampidi
*
* Released under the MIT License
*
* Released on: September 14, 2018
*/
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.swiper-pagination-progressbar-fill{background:#000}.swiper-pagination-lock{display:none}.swiper-scrollbar{border-radius:10px;position:relative;-ms-touch-action:none;background:rgba(0,0,0,.1)}.swiper-container-horizontal>.swiper-scrollbar{position:absolute;left:1%;bottom:3px;z-index:50;height:5px;98%}.swiper-container-vertical>.swiper-scrollbar{position:absolute;right:3px;top:1%;z-index:50;5px;height:98%}.swiper-scrollbar-drag{height:100%;100%;position:relative;background:rgba(0,0,0,.5);border-radius:10px;left:0;top:0}.swiper-scrollbar-cursor-drag{cursor:move}.swiper-scrollbar-lock{display:none}.swiper-zoom-container{100%;height:100%;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;text-align:center}.swiper-zoom-container>canvas,.swiper-zoom-container>img,.swiper-zoom-container>svg{max-100%;max-height:100%;-o-object-fit:contain;object-fit:contain}.swiper-slide-zoomed{cursor:move}.swiper-lazy-preloader{42px;height:42px;position:absolute;left:50%;top:50%;margin-left:-21px;margin-top:-21px;z-index:10;-webkit-transform-origin:50%;-ms-transform-origin:50%;transform-origin:50%;-webkit-animation:swiper-preloader-spin 1s steps(12,end) infinite;animation:swiper-preloader-spin 1s steps(12,end) infinite}.swiper-lazy-preloader:after{display:block;content:'';100%;height:100%;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg%20viewBox%3D'0%200%20120%20120'%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20xmlns%3Axlink%3D'http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink'%3E%3Cdefs%3E%3Cline%20id%3D'l'%20x1%3D'60'%20x2%3D'60'%20y1%3D'7'%20y2%3D'27'%20stroke%3D'%236c6c6c'%20stroke-width%3D'11'%20stroke-linecap%3D'round'%2F%3E%3C%2Fdefs%3E%3Cg%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(30%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(60%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(90%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(120%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(150%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.37'%20transform%3D'rotate(180%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.46'%20transform%3D'rotate(210%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.56'%20transform%3D'rotate(240%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.66'%20transform%3D'rotate(270%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.75'%20transform%3D'rotate(300%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.85'%20transform%3D'rotate(330%2060%2C60)'%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E");background-position:50%;background-size:100%;background-repeat:no-repeat}.swiper-lazy-preloader-white:after{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg%20viewBox%3D'0%200%20120%20120'%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20xmlns%3Axlink%3D'http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink'%3E%3Cdefs%3E%3Cline%20id%3D'l'%20x1%3D'60'%20x2%3D'60'%20y1%3D'7'%20y2%3D'27'%20stroke%3D'%23fff'%20stroke-width%3D'11'%20stroke-linecap%3D'round'%2F%3E%3C%2Fdefs%3E%3Cg%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(30%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(60%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(90%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(120%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.27'%20transform%3D'rotate(150%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.37'%20transform%3D'rotate(180%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.46'%20transform%3D'rotate(210%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.56'%20transform%3D'rotate(240%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.66'%20transform%3D'rotate(270%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.75'%20transform%3D'rotate(300%2060%2C60)'%2F%3E%3Cuse%20xlink%3Ahref%3D'%23l'%20opacity%3D'.85'%20transform%3D'rotate(330%2060%2C60)'%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E")}@-webkit-keyframes swiper-preloader-spin{100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes swiper-preloader-spin{100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}.swiper-container .swiper-notification{position:absolute;left:0;top:0;pointer-events:none;opacity:0;z-index:-1000}.swiper-container-fade.swiper-container-free-mode .swiper-slide{-webkit-transition-timing-function:ease-out;-o-transition-timing-function:ease-out;transition-timing-function:ease-out}.swiper-container-fade .swiper-slide{pointer-events:none;-webkit-transition-property:opacity;-o-transition-property:opacity;transition-property:opacity}.swiper-container-fade .swiper-slide .swiper-slide{pointer-events:none}.swiper-container-fade .swiper-slide-active,.swiper-container-fade .swiper-slide-active .swiper-slide-active{pointer-events:auto}.swiper-container-cube{overflow:visible}.swiper-container-cube .swiper-slide{pointer-events:none;-webkit-backface-visibility:hidden;backface-visibility:hidden;z-index:1;visibility:hidden;-webkit-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;100%;height:100%}.swiper-container-cube .swiper-slide .swiper-slide{pointer-events:none}.swiper-container-cube.swiper-container-rtl .swiper-slide{-webkit-transform-origin:100% 0;-ms-transform-origin:100% 0;transform-origin:100% 0}.swiper-container-cube .swiper-slide-active,.swiper-container-cube .swiper-slide-active .swiper-slide-active{pointer-events:auto}.swiper-container-cube .swiper-slide-active,.swiper-container-cube .swiper-slide-next,.swiper-container-cube .swiper-slide-next+.swiper-slide,.swiper-container-cube .swiper-slide-prev{pointer-events:auto;visibility:visible}.swiper-container-cube .swiper-slide-shadow-bottom,.swiper-container-cube .swiper-slide-shadow-left,.swiper-container-cube .swiper-slide-shadow-right,.swiper-container-cube .swiper-slide-shadow-top{z-index:0;-webkit-backface-visibility:hidden;backface-visibility:hidden}.swiper-container-cube .swiper-cube-shadow{position:absolute;left:0;bottom:0;100%;height:100%;background:#000;opacity:.6;-webkit-filter:blur(50px);filter:blur(50px);z-index:0}.swiper-container-flip{overflow:visible}.swiper-container-flip .swiper-slide{pointer-events:none;-webkit-backface-visibility:hidden;backface-visibility:hidden;z-index:1}.swiper-container-flip .swiper-slide .swiper-slide{pointer-events:none}.swiper-container-flip .swiper-slide-active,.swiper-container-flip .swiper-slide-active .swiper-slide-active{pointer-events:auto}.swiper-container-flip .swiper-slide-shadow-bottom,.swiper-container-flip .swiper-slide-shadow-left,.swiper-container-flip .swiper-slide-shadow-right,.swiper-container-flip .swiper-slide-shadow-top{z-index:0;-webkit-backface-visibility:hidden;backface-visibility:hidden}.swiper-container-coverflow .swiper-wrapper{-ms-perspective:1200px}
swiper.min.js：https://www.swiper.com.cn/dist/js/swiper.min.js