javascript实现切割轮播效果,从左到右切换

效果：完整demo代码： <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="https://...
效果：
完整demo代码：
<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>Document</title>
		<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js"></script>
		<style>
			.container {
				position: relative;
				width: 560px;
				height: 300px;
			}

			.container ul {
				/*transform-style:preserve-3d;*/
				/*transform: rotateX(-30deg) rotateY(21deg);*/
				width: 560px;
				height: 300px;
				border: 2px solid red;
				list-style-type: none;
				margin: 0;
				padding: 0;
			}

			.container ul li {
				position: relative;
				float: left;
				/*一张图分作5片，图的总宽度是560*/
				width: 112px;
				height: 300px;
				transform-style: preserve-3d;
				transition: all 0.5s;
			}

			.container ul li span {
				position: absolute;
				left: 0;
				top: 0;
				width: 100%;
				height: 100%
			}

			/*以下4个选择器设定立体效果*/
			.container ul li span:nth-child(1) {
				background: yellow;
				transform: translateZ(150px);
			}

			.container ul li span:nth-child(2) {
				background: pink;
				transform: translateY(-150px) rotateX(90deg);
			}

			.container ul li span:nth-child(3) {
				background: orange;
				transform: translateZ(-150px) rotateX(180deg);
			}

			.container ul li span:nth-child(4) {
				background: blue;
				transform: translateY(150px) rotateX(270deg);
			}

			/*//以下4个选择器设定第n个span的背景图*/
			.container ul li span:nth-child(1) {
				background: url(http://www.duanlonglong.com/images/defaultpic.gif);
				background-size: 560px 300px;
			}

			.container ul li span:nth-child(2) {
				background: url(http://www.duanlonglong.com/uploads/allimg/170708/1-1FFR154490-L.jpg);
				background-size: 560px 300px;
			}

			.container ul li span:nth-child(3) {
				background: url(http://www.duanlonglong.com/uploads/allimg/170708/1-1FFR153500-L.jpg);
				background-size: 560px 300px;
			}

			.container ul li span:nth-child(4) {
				background: url(http://www.duanlonglong.com/uploads/190217/1-1Z21G145363c.jpg);
				background-size: 560px 300px;
			}

			/*以下5个选择器用于设定第i个li的背景定位*/
			.container ul li:nth-child(1) span {
				background-position: 0px 0px;
			}

			.container ul li:nth-child(2) span {
				background-position: -112px 0px;
			}

			.container ul li:nth-child(3) span {
				background-position: -224px 0px;
			}

			.container ul li:nth-child(4) span {
				background-position: -336px 0px;
			}

			.container ul li:nth-child(5) span {
				background-position: -448px 0px;
			}

			/*.container ul li:nth-child(1) span:nth-child(1){
  background: url(images/1.jpg) 0px 0px;
 }
 .container ul li:nth-child(2) span:nth-child(1){
  background: url(images/1.jpg) -112px 0px;
 }
 .container ul li:nth-child(3) span:nth-child(1){
  background: url(images/1.jpg) -224px 0px;
 }
 .container ul li:nth-child(4) span:nth-child(1){
  background: url(images/1.jpg) -336px 0px;
 }
 .container ul li:nth-child(5) span:nth-child(1){
  background: url(images/1.jpg) -448px 0px;
 }

 .container ul li:nth-child(1) span:nth-child(2){
  background: url(images/2.jpg) 0px 0px;
 }
 .container ul li:nth-child(2) span:nth-child(2){
  background: url(images/2.jpg) -112px 0px;
 }*/

			.container span.left,
			.container span.right {
				position: absolute;
				top: 50%;
				background: rgba(0, 0, 0, 0.3);
				width: 18px;
				height: 40px;
				font-size: 25px;
				font-weight: bold;
				color: white;
				text-align: center;
				line-height: 40px;
				cursor: pointer;
			}

			.container span.left {
				left: 0;
			}

			.container span.right {
				right: 0;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<ul>
				<li>
					<span></span>
					<span></span>
					<span></span>
					<span></span>
				</li>
				<li>
					<span></span>
					<span></span>
					<span></span>
					<span></span>
				</li>
				<li>
					<span></span>
					<span></span>
					<span></span>
					<span></span>
				</li>
				<li>
					<span></span>
					<span></span>
					<span></span>
					<span></span>
				</li>
				<li>
					<span></span>
					<span></span>
					<span></span>
					<span></span>
				</li>
			</ul>
			<span class="left">
				<</span> <span class="right">>
			</span>
		</div>
	</body>
	<script>
		$(function() {
			var allowClick = true;
			var seq = 0; //代表初始的转动角度次数
			//先给这5个li的动画效果设置不同的延时（delay)
			//index表示循环中的索引号，item表示当前项（这里是li）
			$("ul>li").each(function(index, item) {
				var delay_time = index * 0.25;
				$(item).css({
					"transition-delay": delay_time + "s"
				});
			});

			//transitionend事件：动画结束事件
			$("ul>li:last-child").on('transitionend', function() {
				allowClick = true; //允许点击
			});

			//
			$("span.left").on('click', function() {
				//如果allowClick为false，表示此时还不允许点击，就直接退出
				if (allowClick == false) {
					return;
				}

				allowClick = false; //如果可以继续下去，此时就会去执行动画，则此刻
				//就必须讲这个allowClick设定为false
				seq--;
				var angle = -seq * 90;
				$("ul>li").css({
					"transform": "rotateX(" + angle + "deg)"
				});
			});
			$("span.right").on('click', function() {
				//如果allowClick为false，表示此时还不允许点击，就直接退出
				if (allowClick == false) {
					return;
				}
				allowClick = false;
				seq++;
				var angle = -seq * 90;
				$("ul>li").css({
					"transform": "rotateX(" + angle + "deg)"
				});
			});
		});
	</script>
</html>
发表于 2020-07-08 21:42
阅读 ( 531 )
分类：web前端开发
javascript实现切割轮播效果,从左到右切换

你可能感兴趣的文章

相关问题

0 条评论

作家榜 »
