jquery 实现 轮播图

版权声明:https://blog.csdn.net/qq_37618797 https://blog.csdn.net/qq_37618797/article/details/83214425
<!doctype html>
<html>
	<head>
		<meta charset="utf-8">
		<title>轮播图</title>
		<script src="js/jquery-1.12.3.js"></script>
		<script>
			$(function(){
				$(".rs").on("click",function(){  //右箭头点击事件
 					$(".imgs").css({  
						marginLeft: function(index, value) {   //此函数返回要设置的属性值。接受两个参数,index为元素在对象集合中的索引位置,value是原先的属性值。
							var move = parseInt(value) - 290;  //每点击一次移动一个图片的像素
							if(move == -1160){				   //当图片移动超过界限后,返回第一张图片
								return 0 + "px";
							}
							return move + "px";
						}
 					});     
					$(".imgs").stop().fadeOut(5).fadeIn(500);  //stop 停止之前的所有动画  fadeOut 淡出  fadeIn 淡入
				});
				$(".ls").on("click",function(){
					//左边
					$(".imgs").css({
						marginLeft: function(index, value) {
							var move = parseInt(value) + 290;
							if(move == 290){
								return -870 + "px";
							}
							return move + "px";
						}
					});
					$(".imgs").stop().fadeOut(5).fadeIn(500);
				});
				
			});
		</script>
		<style>
			*{
				margin: 0;
				padding: 0;
			}
			div{
				width: 290px;
				margin: 200px auto;
				overflow: hidden;
				position: relative;
			}
			ul{
				width: 1800px;
				height: 430px;
				margin-left: 0;
			}
			ul>li{
				list-style: none;
				float: left;
			}
			span{
				display: block;
				width: 40px;
				font-size: 50px;
				background-color: rgba(0,0,0,0.3);
				color: white;
				text-align: center;
				line-height: 80px;
			}
			div .leftArrow{
				position: absolute;
				top: 50%;
				left: 0;
				margin-top: -40px;
			}
			div .rightArrow{
				position: absolute;
				top: 50%;
				right: 0;
				margin-top: -40px;
			}
			div>a{
				display: none;
			}
			div:hover a{
				display: inline-block;
			}
		</style>
	</head>

	<body>
		
		<div>
			<ul class="imgs">
				<!-- 图片大小为 290 * 430 -->
				<li><img src="img/item1.jpg" /></li>
				<li><img src="img/item2.jpg" /></li>
				<li><img src="img/item3.jpg" /></li>
				<li><img src="img/item4.jpg" /></li>
			</ul>
			<a href="javascript:void(0)" class="ls"><span class="leftArrow">&lt;</span></a>
			<a href="javascript:void(0)" class="rs"><span class="rightArrow">&gt;</span></a>
		</div>
		
	</body>

</html>

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转载自blog.csdn.net/qq_37618797/article/details/83214425