swiperjs旋转处理

通过劫持swiper中touches对象,根据方向改变里面x和y值,完整的测试示例,如下:

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<html lang="en">
<head>
<meta charset="utf-8" />
<title>Swiper demo - default</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="https://unpkg.com/swiper@11.1.4/swiper-bundle.min.css"
/>
<!-- <link rel="stylesheet" href="style.css" /> -->
<style>
#rotateBtn {
position: absolute;
top: 0;
left: 0;
padding: 15px;
background: red;
z-index: 100;
}

.rotate-90 {
transform: rotate(90deg);
}
</style>
</head>

<body>
<!-- Swiper -->
<div id="chart">
<div class="swiper-container">
<div class="swiper-wrapper">
<div class="swiper-slide">Resize me 1</div>
<div class="swiper-slide">Resize me 2</div>
<div class="swiper-slide">Resize me 3</div>
<div class="swiper-slide">Resize me 4</div>
<div class="swiper-slide">Resize me 5</div>
<div class="swiper-slide">Resize me 6</div>
<div class="swiper-slide">Resize me 7</div>
<div class="swiper-slide">Resize me 8</div>
<div class="swiper-slide">Resize me 9</div>
<div class="swiper-slide">Resize me 10</div>
</div>
<div class="swiper-button-next"></div>
<div class="swiper-button-prev"></div>
</div>
</div>
<div id="rotateBtn">Rotate 90</div>

<!-- Swiper JS -->
<script src="https://unpkg.com/swiper@11.1.4/swiper-bundle.min.js"></script>

<!-- Initialize Swiper -->
<script>
var swiper0 = new Swiper(".swiper-container", {
slidesPerView: 3,
direction: getDirection(),
navigation: {
nextEl: ".swiper-button-next",
prevEl: ".swiper-button-prev",
},
on: {
resize: function () {
swiper0.changeDirection(getDirection());
},
},
});

function getDirection() {
var windowWidth = window.innerWidth;
var direction = window.innerWidth <= 760 ? "vertical" : "horizontal";

return direction;
}

var rotateBtn = document.getElementById("rotateBtn");
rotateBtn.addEventListener("click", function f(params) {
console.log("rotateBtn click");
var chartRef = document.getElementById("chart");
chartRef.classList.add("rotate-90");
setRotate90(true);
});

var test = {
name: "huang",
};
var __test = {};
Object.defineProperty(test, "name", {
set: function (v) {
__test.name = v;
},
get: function () {
return __test.name;
},
});
console.log("test v", test.name);
test.name = "hzz";
console.log("test v", test.name);

var rotate90Swiper = function (swiper, optIsRotate90) {
var isRotate90 = !!optIsRotate90;
swiper.___touches = {};
swiper.___touches.currentX = swiper.touches.currentX;
Object.defineProperty(swiper.touches, "currentX", {
set: function (v) {
if (!isRotate90) {
swiper.___touches.currentX = v;
} else {
swiper.___touches.currentY = v;
}
},
get: function () {
return swiper.___touches.currentX;
},
});
swiper.___touches.currentY = swiper.touches.currentY;
Object.defineProperty(swiper.touches, "currentY", {
set: function (v) {
if (!isRotate90) {
swiper.___touches.currentY = v;
} else {
swiper.___touches.currentX = v;
}

console.log(
"set currentY",
swiper.touches,
swiper.___touches,
isRotate90
);
},
get: function () {
console.log(
"get currentY",
swiper.touches,
swiper.___touches,
isRotate90
);
return swiper.___touches.currentY;
},
});
return function (b) {
isRotate90 = b;
};
};

var setRotate90 = rotate90Swiper(swiper0, false);
</script>
<!-- <script src="script.js"></script> -->
</body>
</html>