Javascript 在不同文件中创建幻灯片
这是html代码Javascript 在不同文件中创建幻灯片,javascript,html,css,Javascript,Html,Css,这是html代码 <!DOCTYPE html> <html> <head> <title></title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" type="text/css" href="style2.css"> <script
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="style2.css">
<script src="learn1.js"</script>
</head>
<body>
<div class="slideshow-container">
<div class="mySlides fade">
<div class="numbertext">1 / 3</div>
<img src="learnimg/1.jpg" style="width:100%">
<div class="text">Caption Text</div>
</div>
<div class="mySlides fade">
<div class="numbertext">2 / 3</div>
<img src="learnimg/2.jpg" style="width:100%">
<div class="text">Caption Two</div>
</div>
<div class="mySlides fade">
<div class="numbertext">3 / 3</div>
<img src="learnimg/3.jpg" style="width:100%">
<div class="text">Caption Three</div>
</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>
</body>
</html>`
* {box-sizing:border-box} body {font-family: Verdana,sans-serif;margin:0}
/* Slideshow container */ .slideshow-container { max-width: 1000px;
position: relative; margin: auto; }
/* Next & previous buttons */ .prev, .next { cursor: pointer;
position: absolute; top: 0; top: 50%; width: auto; padding:
16px; margin-top: -22px; color: white; font-weight: bold;
font-size: 18px; transition: 0.6s ease; border-radius: 0 3px 3px
0; }
/* Position the "next button" to the right */ .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); }
/* Caption text */ .text { color: #f2f2f2; font-size: 15px;
padding: 8px 12px; position: absolute; bottom: 8px; width: 100%;
text-align: center; }
/* Number text (1/3 etc) */ .numbertext { color: #f2f2f2;
font-size: 12px; padding: 8px 12px; position: absolute; top: 0;
}
/* The dots/bullets/indicators */ .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; }
/* Fading animation */ .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} }
/* On smaller screens, decrease text size */ @media only screen and
(max-width: 300px) { .slprev, .slnext,.text {font-size: 11px} }
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"; }
这是javascript代码
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="style2.css">
<script src="learn1.js"</script>
</head>
<body>
<div class="slideshow-container">
<div class="mySlides fade">
<div class="numbertext">1 / 3</div>
<img src="learnimg/1.jpg" style="width:100%">
<div class="text">Caption Text</div>
</div>
<div class="mySlides fade">
<div class="numbertext">2 / 3</div>
<img src="learnimg/2.jpg" style="width:100%">
<div class="text">Caption Two</div>
</div>
<div class="mySlides fade">
<div class="numbertext">3 / 3</div>
<img src="learnimg/3.jpg" style="width:100%">
<div class="text">Caption Three</div>
</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>
</body>
</html>`
* {box-sizing:border-box} body {font-family: Verdana,sans-serif;margin:0}
/* Slideshow container */ .slideshow-container { max-width: 1000px;
position: relative; margin: auto; }
/* Next & previous buttons */ .prev, .next { cursor: pointer;
position: absolute; top: 0; top: 50%; width: auto; padding:
16px; margin-top: -22px; color: white; font-weight: bold;
font-size: 18px; transition: 0.6s ease; border-radius: 0 3px 3px
0; }
/* Position the "next button" to the right */ .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); }
/* Caption text */ .text { color: #f2f2f2; font-size: 15px;
padding: 8px 12px; position: absolute; bottom: 8px; width: 100%;
text-align: center; }
/* Number text (1/3 etc) */ .numbertext { color: #f2f2f2;
font-size: 12px; padding: 8px 12px; position: absolute; top: 0;
}
/* The dots/bullets/indicators */ .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; }
/* Fading animation */ .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} }
/* On smaller screens, decrease text size */ @media only screen and
(max-width: 300px) { .slprev, .slnext,.text {font-size: 11px} }
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"; }
var slideIndex=1;放映幻灯片(幻灯片索引);
函数plusSlides(n){showSlides(slideIndex+=n);}
函数currentSlide(n){showSlides(slideIndex=n);}
函数showSlides(n){var i;var slides=
document.getElementsByClassName(“mySlides”);var dots=
document.getElementsByClassName(“点”);if(n>slides.length)
{slideIndex=1}如果(n<1){slideIndex=slides.length}用于(i)=
0;i
所有这3个代码都在不同的文件中。这基本上是为了创建一个包含三个图像的简单幻灯片。但是,当我执行此操作时(都在不同的文件中),没有显示任何内容(浏览器中的白色屏幕)。但是当在一个html文件中执行时(所有内容都在一个文件中),就会有一个完美的幻灯片
我想不出这个问题。请帮我解决这个问题。这似乎不对:
<script src="learn1.js"</script>
您发布的代码似乎工作正常
也许图像文件不在你说的地方
尝试打开并查找错误
var slideIndex=1;
放映幻灯片(幻灯片索引);
函数加滑块(n){
放映幻灯片(幻灯片索引+=n);
}
功能当前幻灯片(n){
放映幻灯片(幻灯片索引=n);
}
功能演示幻灯片(n){
var i;
var slides=document.getElementsByClassName(“mySlides”);
var dots=document.getElementsByClassName(“dot”);
如果(n>幻灯片长度){
slideIndex=1
}
if(n<1){
slideIndex=slides.length
}
对于(i=0;i
{
框大小:边框框
}
身体{
字体系列:Verdana,无衬线;
保证金:0
}
/*幻灯片容器*/
.slideshow容器{
最大宽度:1000px;
位置:相对位置;
保证金:自动;
}
/*下一步和上一步按钮*/
.prev,
.下一个{
光标:指针;
位置:绝对位置;
排名:0;
最高:50%;
宽度:自动;
填充:16px;
利润上限:-22px;
颜色:白色;
字体大小:粗体;
字号:18px;
过渡:0.6s缓解;
边界半径:0 3px 3px 0;
}
/*将“下一步按钮”置于右侧*/
.下一个{
右:0;
边界半径:3px 0 3px;
}
/*在悬停时,添加一个黑色背景色,带有一点透明*/
.prev:悬停,
.下一步:悬停{
背景色:rgba(0,0,0,0.8);
}
/*标题文本*/
.文本{
颜色:#F2F2;
字体大小:15px;
填充:8px 12px;
位置:绝对位置;
底部:8px;
宽度:100%;
文本对齐:居中;
}
/*数字文本(1/3等)*/
.numbertext{
颜色:#F2F2;
字体大小:12px;
填充:8px 12px;
位置:绝对位置;
排名:0;
}
/*点/子弹/指示器*/
多特先生{
光标:指针;
高度:13px;
宽度:13px;
边际:0.2px;
背景色:#bbb;
边界半径:50%;
显示:内联块;
过渡:背景色0.6s;
}
.主动,
.dot:悬停{
背景色:#717171;
}
/*褪色动画*/
.褪色{
-webkit动画名称:淡入淡出;
-webkit动画持续时间:1.5s;
动画名称:淡入淡出;
动画持续时间:1.5s;
}
@-webkit关键帧淡入淡出{
从{
不透明度:.4
}
到{
不透明度:1
}
}
@关键帧淡入淡出{
从{
不透明度:.4
}
到{
不透明度:1
}
}
/*在较小的屏幕上,减小文本大小*/
@仅介质屏幕和(最大宽度:300px){
斯莱普雷夫先生,
slnext先生,
.文本{
字号:11px
}
}
1/3
标题文本
2/3
标题二
3/3
标题三
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