源码部分
对应的图片地址改为自己的图片地址：
HTML 代码：
div class="slideshow-container">
div class="mySlides fade">
div class="numbertext">1 / 3div>
img src="img1.jpg" style="width:100%">
div class="text">文本 1div>
div>
div class="numbertext">2 / 3div>
img src="img2.jpg" style="width:100%">
div class="text">文本 2div>
div>
div class="numbertext">3 / 3div>
img src="img3.jpg" style="width:100%">
div class="text">文本 3div>
div>
a class="next" onclick="plusSlides(1)">❯a>
div>
br> div style="text-align:center">
span class="dot" onclick="currentSlide(1)">span>
span class="dot" onclick="currentSlide(2)">span>
span class="dot" onclick="currentSlide(3)">span>
div>
div class="mySlides fade">
div class="numbertext">1 / 3div>
img src="img1.jpg" style="width:100%">
div class="text">文本 1div>
div>
div class="mySlides fade">
div class="numbertext">2 / 3div>
img src="img2.jpg" style="width:100%">
div class="text">文本 2div>
div>
div class="mySlides fade">
div class="numbertext">3 / 3div>
img src="img3.jpg" style="width:100%">
div class="text">文本 3div>
div>
a class="prev" onclick="plusSlides(-1)">❮a>
a class="next" onclick="plusSlides(1)">❯a>
div>
br> div style="text-align:center">
span class="dot" onclick="currentSlide(1)">span>
span class="dot" onclick="currentSlide(2)">span>
span class="dot" onclick="currentSlide(3)">span>
div>
CSS 代码设置上一张下一张图片的按钮及文本。
CSS 代码：
* {box-sizing:border-box}
body {font-family: Verdana,sans-serif;}
.mySlides {display:none} /* 幻灯片容器 */
.slideshow-container {
max-width: 1000px;
position: relative;
margin: auto;
} /* 下一张 & 上一张 按钮 */
.prev, .next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
margin-top: -22px;
padding: 16px;
color: white;
font-weight: bold;
font-size: 18px;
transition: 0.6s ease;
border-radius: 0 3px 3px 0;
} /* 定位 "下一张" 按钮靠右 */
.next {
right: 0;
border-radius: 3px 0 0 3px;
} /* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
background-color: rgba(0,0,0,0.8);
} /* 标题文本 */
.text {
color: #f2f2f2;
font-size: 15px;
padding: 8px 12px;
position: absolute;
bottom: 8px;
width: 100%;
text-align: center;
} /* 数字文本 (1/3 等) */
.numbertext {
color: #f2f2f2;
font-size: 12px;
padding: 8px 12px;
position: absolute;
top: 0;
} /* 标记符号 */
.dot {
cursor:pointer;
height: 13px;
width: 13px;
margin: 0 2px;
background-color: #bbb;
border-radius: 50%;
display: inline-block;
transition: background-color 0.6s ease;
} .active, .dot:hover {
background-color: #717171;
} /* 淡出动画 */
.fade {
-webkit-animation-name: fade;
-webkit-animation-duration: 1.5s;
animation-name: fade;
animation-duration: 1.5s;
}
from {opacity: .4}
to {opacity: 1}
} @keyframes fade {
from {opacity: .4}
to {opacity: 1}
}
body {font-family: Verdana,sans-serif;}
.mySlides {display:none} /* 幻灯片容器 */
.slideshow-container {
max-width: 1000px;
position: relative;
margin: auto;
} /* 下一张 & 上一张 按钮 */
.prev, .next {
cursor: pointer;
position: absolute;
top: 50%;
width: auto;
margin-top: -22px;
padding: 16px;
color: white;
font-weight: bold;
font-size: 18px;
transition: 0.6s ease;
border-radius: 0 3px 3px 0;
} /* 定位 "下一张" 按钮靠右 */
.next {
right: 0;
border-radius: 3px 0 0 3px;
} /* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
background-color: rgba(0,0,0,0.8);
} /* 标题文本 */
.text {
color: #f2f2f2;
font-size: 15px;
padding: 8px 12px;
position: absolute;
bottom: 8px;
width: 100%;
text-align: center;
} /* 数字文本 (1/3 等) */
.numbertext {
color: #f2f2f2;
font-size: 12px;
padding: 8px 12px;
position: absolute;
top: 0;
} /* 标记符号 */
.dot {
cursor:pointer;
height: 13px;
width: 13px;
margin: 0 2px;
background-color: #bbb;
border-radius: 50%;
display: inline-block;
transition: background-color 0.6s ease;
} .active, .dot:hover {
background-color: #717171;
} /* 淡出动画 */
.fade {
-webkit-animation-name: fade;
-webkit-animation-duration: 1.5s;
animation-name: fade;
animation-duration: 1.5s;
}
@-
webkit-keyframes fade {from {opacity: .4}
to {opacity: 1}
} @keyframes fade {
from {opacity: .4}
to {opacity: 1}
}
JavaScript 代码：
var slideIndex = 1;
showSlides(slideIndex); function plusSlides(n) {
showSlides(slideIndex += n);
} function currentSlide(n) {
showSlides(slideIndex = n);
} function showSlides(n) {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
if (n > slides.length) {slideIndex = 1}
if (n 1) {slideIndex = slides.length}
for (i = 0; i slides.length; i++) {
slides[i].style.display = "none";
}
for (i = 0; i dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
slides[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " active";
}
showSlides(slideIndex); function plusSlides(n) {
showSlides(slideIndex += n);
} function currentSlide(n) {
showSlides(slideIndex = n);
} function showSlides(n) {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
if (n > slides.length) {slideIndex = 1}
if (n 1) {slideIndex = slides.length}
for (i = 0; i slides.length; i++) {
slides[i].style.display = "none";
}
for (i = 0; i dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
slides[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " active";
}
在线演示
你也可以将幻灯片设置为自动播放，JavaScript 代码修改为如下：
JavaScript 代码：
var slideIndex = 0;
showSlides(); function showSlides() {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
for (i = 0; i slides.length; i++) {
slides[i].style.display = "none";
}
slideIndex++;
if (slideIndex > slides.length) {slideIndex = 1}
for (i = 0; i dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
slides[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " active";
setTimeout(showSlides, 2000); // 切换时间为 2 秒
}
showSlides(); function showSlides() {
var i;
var slides = document.getElementsByClassName("mySlides");
var dots = document.getElementsByClassName("dot");
for (i = 0; i slides.length; i++) {
slides[i].style.display = "none";
}
slideIndex++;
if (slideIndex > slides.length) {slideIndex = 1}
for (i = 0; i dots.length; i++) {
dots[i].className = dots[i].className.replace(" active", "");
}
slides[slideIndex-1].style.display = "block";
dots[slideIndex-1].className += " active";
setTimeout(showSlides, 2000); // 切换时间为 2 秒
}
在线演示
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