<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>今日头条APP顶部点击可居中导航</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
<link rel="stylesheet" href="https://cdn.bootcss.com/Swiper/4.0.6/css/swiper.min.css">
<style>
* {
margin: 0;
padding: 0;
}
#topNav {
width: 100%;
overflow: hidden;
font: 18px;
}
#topNav .swiper-slide {
padding: 0 10px;
width: auto;
text-align: center;
}
#topNav .swiper-slide span {
transition: all .3s ease;
display: block;
}
#topNav .active span {
color: #FF2D2D;
border-bottom: 3px solid #FF2D2D;
}
.tab-list {
display: none;
}
</style>
</head>
<body>
<div id="topNav" class="swiper-container">
<div class="swiper-wrapper">
<div class="swiper-slide active"><span>首页</span></div>
<div class="swiper-slide"><span>热点</span></div>
<div class="swiper-slide"><span>汽车</span></div>
<div class="swiper-slide"><span>视频</span></div>
<div class="swiper-slide"><span>社会</span></div>
<div class="swiper-slide"><span>娱发</span></div>
<div class="swiper-slide"><span>科技</span></div>
<div class="swiper-slide"><span>生活</span></div>
<div class="swiper-slide"><span>敲门</span></div>
<div class="swiper-slide"><span>理科</span></div>
</div>
</div>
<div class="tab-list-box">
<div class="tab-list" style="display:block;">内容1</div>
<div class="tab-list">内容2</div>
<div class="tab-list">内容3</div>
<div class="tab-list">内容4</div>
<div class="tab-list">内容5</div>
<div class="tab-list">内容6</div>
<div class="tab-list">内容7</div>
<div class="tab-list">内容8</div>
<div class="tab-list">内容9</div>
<div class="tab-list">内容10</div>
</div>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.4.2/js/swiper.js"></script>
<script type="text/javascript">
var mySwiper = new Swiper('#topNav', {
freeMode: true,
freeModeMomentumRatio: 0.5,
slidesPerView: 'auto',
});
swiperWidth = mySwiper.container[0].clientWidth
maxTranslate = mySwiper.maxTranslate();
maxWidth = -maxTranslate + swiperWidth / 2
$(".swiper-container").on('touchstart', function (e) {
e.preventDefault()
})
mySwiper.on('tap', function (swiper, e) {
// e.preventDefault()
slide = swiper.slides[swiper.clickedIndex]
slideLeft = slide.offsetLeft
slideWidth = slide.clientWidth
slideCenter = slideLeft + slideWidth / 2
// 被点击slide的中心点
mySwiper.setWrapperTransition(300)
if (slideCenter < swiperWidth / 2) {
mySwiper.setWrapperTranslate(0)
} else if (slideCenter > maxWidth) {
mySwiper.setWrapperTranslate(maxTranslate)
} else {
nowTlanslate = slideCenter - swiperWidth / 2
mySwiper.setWrapperTranslate(-nowTlanslate)
}
$("#topNav .active").removeClass('active');
$("#topNav .swiper-slide").eq(swiper.clickedIndex).addClass('active');
$(".tab-list").eq(swiper.clickedIndex).fadeIn().siblings('.tab-list').hide();
});
</script>
</body>
</html>
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