swiper4-屏幕右侧判断slide是否进入屏幕(已解决)
本帖最后由 半糊涂丶 于 2019-5-9 06:40 编辑从官网下载的包中有一些demo，最后一个是右滑出现菜单栏
但我想把它改成左滑出现菜单栏，然后··就没有然后了研究了一会才发现 注册的slideChangeTransitionStart(splice发生改变触发)， 没有触发，我研究出来的原因是 swiper 是从左侧判断splice进出的，但我想要的效果是 splice是从右侧进出，所以不能触发 slideChangeTransitionStart，看了许久，没解决，求大神指点
本帖最后由 半糊涂丶 于 2019-5-8 10:52 编辑
<!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 {
text-align: center;
font-size: 18px;
background: #fff;
/* Center slide text vertically */
display: -webkit-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
}
.menu {
min-width: 100px;
width: 70%;
max-width: 320px;
background-color: #2C8DFB;
color: #fff;
}
.content {
width: 100%;
}
.menu-button {
position: absolute;
top: 0px; right: -1px;
padding: 15px;
cursor: pointer;
-webkit-transition: .3s;
transition: .3s;
background-color: #2C8DFB;
/*margin: 14px;
border-radius: 5px;*/
}
.menu-button .bar:nth-of-type(1) {
margin-top: 0px;
}
.menu-button .bar:nth-of-type(3) {
margin-bottom: 0px;
}
.bar {
position: relative;
display: block;
width: 50px;
height: 5px;
margin: 10px auto;
background-color: #fff;
border-radius: 10px;
-webkit-transition: .3s;
transition: .3s;
}
.menu-button:hover .bar:nth-of-type(1) {
-webkit-transform: translateY(1.5px) rotate(-4.5deg);
-ms-transform: translateY(1.5px) rotate(-4.5deg);
transform: translateY(1.5px) rotate(-4.5deg);
}
.menu-button:hover .bar:nth-of-type(2) {
opacity: .9;
}
.menu-button:hover .bar:nth-of-type(3) {
-webkit-transform: translateY(-1.5px) rotate(4.5deg);
-ms-transform: translateY(-1.5px) rotate(4.5deg);
transform: translateY(-1.5px) rotate(4.5deg);
}
.cross .bar:nth-of-type(1) {
-webkit-transform: translateY(15px) rotate(-45deg);
-ms-transform: translateY(15px) rotate(-45deg);
transform: translateY(15px) rotate(-45deg);
}
.cross .bar:nth-of-type(2) {
opacity: 0;
}
.cross .bar:nth-of-type(3) {
-webkit-transform: translateY(-15px) rotate(45deg);
-ms-transform: translateY(-15px) rotate(45deg);
transform: translateY(-15px) rotate(45deg);
}
.cross:hover .bar:nth-of-type(1) {
-webkit-transform: translateY(13.5px) rotate(-40.5deg);
-ms-transform: translateY(13.5px) rotate(-40.5deg);
transform: translateY(13.5px) rotate(-40.5deg);
}
.cross:hover .bar:nth-of-type(2) {
opacity: .1;
}
.cross:hover .bar:nth-of-type(3) {
-webkit-transform: translateY(-13.5px) rotate(40.5deg);
-ms-transform: translateY(-13.5px) rotate(40.5deg);
transform: translateY(-13.5px) rotate(40.5deg);
}
</style>
</head>
<body>
<!-- Swiper -->
<div class="swiper-container">
<div class="swiper-wrapper">
<!-- 内容栏 -->
<div class="swiper-slide content">
<div class="menu-button">
<div class="bar"></div>
<div class="bar"></div>
<div class="bar"></div>
</div>
Content slide
</div>
<!-- 菜单栏 -->
<div class="swiper-slide menu">Menu slide</div>
</div>
</div>
<!-- Swiper JS -->
<script src="../dist/js/swiper.min.js"></script>
<!-- Initialize Swiper -->
<script>
var menuButton = document.querySelector('.menu-button');
var openMenu = function (swiper) {
swiper.slidePrev();
};
var swiper = new Swiper('.swiper-container', {
slidesPerView: 'auto',
initialSlide: 1,
resistanceRatio: 0,
slideToClickedSlide: true,
on: {
slideChangeTransitionStart: function () {
var slider = this;
console.log(slider.activeIndex)
if (slider.activeIndex === 0) {
menuButton.classList.add('cross');
// required because of slideToClickedSlide
menuButton.removeEventListener('click', openMenu, true);
} else {
menuButton.classList.remove('cross');
}
},
slideChangeTransitionEnd: function () {
var slider = this;
if (slider.activeIndex === 1) {
menuButton.addEventListener('click', openMenu, true);
}
},
slidesPerView: function(){
console.log(333)
}
}
});
</script>
</body>
</html>
只需要加上 normalizeSlideIndex: false, 就可以了:)
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