修改成轮播图效果!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title></title> <style type="text/css"> div{ height: 500px; background-color: skyblue; display: none; } </style> </head> <body> <input type="button" value="显示"> <input type="button" value="隐藏"> <input type="button" value="切换"> <div> <ul> <li><img src="../images/1.jpg"></li> <li><img src="../images/2.jpg"></li> <li><img src="../images/3.jpg"></li> <li><img src="../images/4.jpg"></li> <li><img src="../images/5.jpg"></li> <li><img src="../images/6.jpg"></li> </ul> </div> <script src="../jquery-3.7.0.js"></script> <script type="text/javascript"> $(function(){ $("input").eq(0).click(function(){ // sildeDown(null/speed,easing,.callback) / sildeUP $("div").slideDown("slow",function(){ console.log("111111") }) }) $("input").eq(1).click(function(){ // sildeDown(null/speed,easing,.callback) / sildeUP $("div").slideUp("slow",function(){ console.log("111111") }) }) }) </script> </body> </html>
时间: 2023-07-19 11:39:49 浏览: 160
将这段代码修改成轮播图效果需要引入第三方库或者自己手写轮播图的 JS 代码。以下是手写轮播图的示例代码:
```html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title></title>
<style type="text/css">
.slider {
width: 600px;
height: 300px;
margin: 0 auto;
overflow: hidden;
position: relative;
}
.slider ul {
width: 3000px;
height: 300px;
position: absolute;
left: 0;
top: 0;
}
.slider li {
float: left;
width: 600px;
height: 300px;
}
.slider img {
width: 100%;
height: 100%;
}
.slider .prev,
.slider .next {
width: 50px;
height: 50px;
background-color: black;
color: white;
text-align: center;
line-height: 50px;
font-size: 20px;
position: absolute;
top: 50%;
margin-top: -25px;
cursor: pointer;
}
.slider .prev {
left: 0;
}
.slider .next {
right: 0;
}
</style>
</head>
<body>
<div class="slider">
<ul>
<li><img src="../images/1.jpg" alt=""></li>
<li><img src="../images/2.jpg" alt=""></li>
<li><img src="../images/3.jpg" alt=""></li>
<li><img src="../images/4.jpg" alt=""></li>
<li><img src="../images/5.jpg" alt=""></li>
<li><img src="../images/6.jpg" alt=""></li>
</ul>
<span class="prev">❮</span>
<span class="next">❯</span>
</div>
<script src="../jquery-3.7.0.js"></script>
<script type="text/javascript">
$(function () {
var index = 0;
var timer = null;
var len = $(".slider li").length;
function showImg(index) {
$(".slider li").eq(index).fadeIn().siblings().fadeOut();
}
function autoPlay() {
timer = setInterval(function () {
index++;
if (index == len) {
index = 0;
}
showImg(index);
}, 2000);
}
$(".slider").hover(
function () {
clearInterval(timer);
},
function () {
autoPlay();
}
);
$(".prev").click(function () {
index--;
if (index == -1) {
index = len - 1;
}
showImg(index);
});
$(".next").click(function () {
index++;
if (index == len) {
index = 0;
}
showImg(index);
});
autoPlay();
});
</script>
</body>
</html>
```
这段代码实现了一个简单的轮播图,通过点击左右箭头或者自动播放来切换图片。其中,`.slider` 是轮播图的容器,`.slider ul` 是所有图片的容器,`.slider li` 是每张图片的容器,`.slider img` 是每张图片本身。点击左右箭头时,通过改变 `index` 的值来切换图片,`showImg()` 函数用于切换图片的动画效果。自动播放时,通过 `setInterval` 来循环切换图片。同时,也实现了当鼠标移到轮播图上时停止自动播放,鼠标移开后继续自动播放的功能。
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