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javascript - 尝试实现一个简单的幻灯片放映 - 行不通

转载 作者:行者123 更新时间:2023-11-28 07:39:01 27 4
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我正在尝试实现这个简单的幻灯片:http://codepen.io/rafaelcastrocouto/pen/doZNMo

但我没有成功,我不知道问题是什么,唯一显示的是幻灯片的最后一张图片,我添加了 js 文件的路径,检查名称是否正确,但仍然没有运气。

var seconds = 2; //time beetwen auto slide
var delay = 8; //time to restart auto slide

var slider = $('#slider');
var images = $('#slider .images');
var controls = $('<div>').addClass('controls');
slider.after(controls);
var width = images.width();
var slideClick = function() {
var b = $(this);
$('.controls div').removeClass('current');
b.addClass('current');
var index = b.index();
images.css('left', -1 * index * width);
};
$('#slider .images img').each(function(i) {
var img = $(this);
img.css('left', i * width);
var button = $('<div>');
controls.append(button);
if (i == 0) {
button.addClass('current')
}
button.click(function() {
clearInterval(autoSlideInterval);
slideClick.apply(this);
setTimeout(function() {
setInterval(autoSlide, seconds * 1000);
}, delay * 1000);
});
});
var autoSlide = function() {
var next = $('.controls .current').next();
if (next.length) {
slideClick.apply(next);
} else {
var first = $('.controls div').first();
slideClick.apply(first);
}
};
var autoSlideInterval = setInterval(autoSlide, seconds * 1000);
html,
body { height: 100%; }

body {
margin: 0;
font-family: 'Open Sans', Helvetica, sans-serif;
min-width: 900px;
}

.header {
background-image: url("img/fundo1.jpg");
background-color: rgb(21, 21, 21);
color: white;
height: 100%;
min-height: 650px;
position: relative;
}

.header .logo {
width: 230px;
height: 60px;
margin: 20px 8px 8px 6%;
}

.header .menu {
position: absolute;
top: 55px; right: 25px;
}

.header .menu a {
margin: 0 4px;
font-size: 15px;
color: white;
text-decoration: none;
padding: 6px 20px;
}

.header .menu a:hover,
.header .menu a.current {
color: rgb(204, 66, 63);
}

.header .move {
color: white;
width: 40%;
margin: 0;
padding: 10px;
}

.header .move .center {
margin: 260px auto 0;
width: 360px;
}

.header .move h1 {
font-weight: 400;
font-size: 38px;
margin: 6px 0;
}

.header .move p {
font-weight: 300;
font-size: 20px;
border-top: 2px solid white;
margin: 6px 0;
padding-top: 6px;
}

.header .mail1 {
background-image: url("img/email.png");
background-size: contain;
background-position: 100% 100%;
background-repeat: no-repeat;
width: 560px; height: 560px;
position: absolute;
bottom: 0; right: 0;
}

.header .mail1 form {
position: absolute;
width: 240px;
bottom: 220px; right: 155px;
}

.header .mail1 h1 {
font-weight: 300;
text-align: center;
color: rgb(203, 41, 37);

}
.header .mail1 input {
box-sizing: border-box;
width: 100%;
font-family: 'Open Sans', Helvetica, sans-serif;
padding: 8px;
border: 1px solid rgb(219, 219, 218);
border-radius: 6px;
margin-bottom: 12px;
}

.header .mail1 input:hover {
border: 1px solid rgb(189, 189, 188);
}

.header .mail1 input:focus {
outline: 0;
}

.header .mail1 a {
display: block;
color: white;
text-decoration: none;
background-color: rgb(204, 66, 63);
border-radius: 6px;
text-align: center;
padding: 8px;
font-size: 14px;
}

.header .mail1 a:hover {
background-color: rgb(224, 86, 83);
}

.mail2 {
box-shadow: 10px 6px 15px grey;
background-color: white;
background-image: url("img/barra.png");
background-position: 12% 0%;
height: 90px;
text-align: right;
}

.mail2.fixed {
position: fixed;
display:block;
top: 0; left: 0;
width: 100%;
min-width: 800px;
height: 90px;
z-index: 1;
}

.mail2 form {
display: inline-block;
margin: 30px 0;
padding: 0 10px;
width: 600px;
}

.mail2 h1 {
font-weight: 300;
color: rgb(203, 41, 37);
display: inline;
vertical-align: middle;
font-size: 28px;
}

.mail2 input {
box-sizing: border-box;
width: 220px;
font-family: 'Open Sans', Helvetica, sans-serif;
padding: 8px;
border: 1px solid rgb(219, 219, 218);
border-radius: 6px;
margin: 0 6px;
}

.mail2 input:hover {
border: 1px solid rgb(189, 189, 188);
}

.mail2 input:focus {
outline: 0;
}

.mail2 a {
display: inline;
color: white;
text-decoration: none;
background-color: rgb(204, 66, 63);
border-radius: 6px;
text-align: center;
padding: 8px 4%;
font-size: 14px;
}

.mail2 a:hover {
background-color: rgb(224, 86, 83);
}

.mail2 .top {
padding: 8px 6px;
background-color: rgb(51, 51, 51);
}

.mail2 .top:hover {
background-color: rgb(71, 71, 71);
}

#slider {
border: 2px solid #ddd;
margin: 1em auto;
width: 350px;
height: 250px;
overflow: hidden;
}
#slider .images {
position: relative;
transition: left 0.5s;
left: 0;
}
#slider .images img {
position: absolute;
}
.controls {
width: 350px;
margin: 0 auto;
display: flex;
justify-content: center;
}
.controls div {
width: 16px;
height: 16px;
margin: 0 8px;
background: tomato;
border-radius: 50%;
}
.controls .current {
background: firebrick;
}

.barra2 {
background-image: url('img/barra2.png');
background-size: cover;
padding-bottom: 21.6%;
}

.mobile {
background-image: url("img/fundo3.jpg");
background-size: cover;
background-color: rgb(171, 171, 171);
color: white;
padding-bottom: 44.4%;
position: relative;
}

.mobile .invisi {
position: absolute;
width: 13%;
height: 10%;
bottom: 14%;
border-radius: 8px;
}
.mobile .invisi:hover {
background: white;
opacity: 0.2;
}

.mobile .appstore {
right: 26.5%;
}

.mobile .googleplay {
right: 11.5%;
}

.contact {
background-image: url("img/fundo2es.jpg");
background-size: cover;
background-color: rgb(21, 21, 21);
background-repeat: no-repeat;
height:100%;
color:white;
}

.contact .textocon {
text-align: right;
padding: 55px 75px 0 0;
}

.contact .textocon div {
display: inline-block;
width: 290px
}

.contact .textocon h1 {
font-weight: 400;
font-size: 42px;
margin: 6px 0;
}

.contact .textocon p {
font-weight: 300;
font-size: 19px;
border-top: 2px solid white;
margin: 6px 0;
padding-top: 6px;
}

.contact .col1 {
display: inline-block;
vertical-align: top;
width: 410px;
padding: 10px 6px 10px 60px;
}

.contact .col1 h1 {
font-weight: 300;
font-size: 25px;
margin: 4px 0;
}

.contact .col1 input {
width: 380px;
height: 20px;
}

.contact .col1 input,
.contact .col2 textarea {
font-family: 'Open Sans', Helvetica, sans-serif;
padding: 14px;
font-size: 13px;
color: white;
background-color: transparent;
border: 1px solid rgb(172, 161, 160);
margin: 6px 0;
}
.contact .col1 input:focus,
.contact .col2 textarea:focus {
outline: 0;
border: 1px solid white;
}

.contact .col2 {
display: inline-block;
width: calc(100% - 560px);
padding: 52px 10px 10px 0;
text-align: right;
}

.contact .col2 textarea {
text-align: left;
width: 100%;
box-sizing: border-box;
height: 112px;
}

.contact .col2 a {
display: inline-block;
color: white;
font-weight: bold;
text-decoration: none;
background-color: rgb(204, 66, 63);
border-radius: 6px;
padding: 12px 60px;
font-size: 20px;
}
.contact .col2 a:hover {
background-color: rgb(224, 86, 83);
}

.contact .info {
padding: 10px 60px;
display: flex;
justify-content: space-between;
}

.contact .info h1 {
font-weight: 300;
font-size: 25px;
}

.contact .info p {
font-size: 12px;
line-height: 12px;
}

.contact .info a {
text-decoration: none;
color: white;
}
.contact .info a:hover {
color: #ddd;
}

.contact .info img {
width: 32px;
margin: 6px;
}
.contact .info img:hover {
opacity: 0.8;
}
<!DOCTYPE html>

<html>
<head>
<script src="js/jquery-2.1.1.min.js"></script>
<script src="js/prefixfree.min.js"></script>
<script src="js/fixedbar.js"></script>
<meta charset="utf-8">
<link href="http://fonts.googleapis.com/css?family=Open+Sans:400,300" rel="stylesheet" type="text/css">
<link href="styles.css" rel="stylesheet" type="text/css">
<script src="js/slider.js"></script>
<title> Layout </title>
</head>
<body>

<div class="header" id="top">
<img class="logo" src="img/logo.png">
<div class="menu">
<a href="#" class="current">Home</a>
<a href="#tour">Product Tour</a>
<a href="#">Pricing</a>
<a href="#">Try</a>
<a href="#vision">Vision</a>
</div>
<div class="move">
<div class="center">
<h1>Move work forward!</h1>
<p>Optential keeps your team organized, connected, and focused on results.</p>
</div>
</div>
<div class="mail1">
<form>
<h1>Try Now!</h1>
<input type="text" placeholder="Your Email here...">
<a href="#">Get started for free</a>
</form>
</div>
</div>

<div class="mail2">
<form>
<h1>Try Now!</h1>
<input type="text" placeholder="Your Email here...">
<a href="#">Get started for free</a>
<a class="top" href="#top">Top</a>
</form>
</div>


<div id="slider">
<div class="images">
<img src="https://placeholdit.imgix.net/~text?txtsize=63&bg=FF6347&txtclr=ffffff&txt=Image-1&w=350&h=250" alt="Image-1" />
<img src="https://placeholdit.imgix.net/~text?txtsize=63&bg=FFCC47&txtclr=ffffff&txt=Image-2&w=350&h=250" alt="Image-2" />
<img src="https://placeholdit.imgix.net/~text?txtsize=63&bg=FF6347&txtclr=ffffff&txt=Image-3&w=350&h=250" alt="Image-3" />
<img src="https://placeholdit.imgix.net/~text?txtsize=63&bg=4763FF&txtclr=ffffff&txt=Image-4&w=350&h=250" alt="Image-4" />
</div>
</div>

<div class="barra2"></div>

<div class="mobile">
<a href="#" class="invisi appstore"></a>
<a href="#" class="invisi googleplay"></a>
</div>

<div class="contact">
<div class="textocon">
<div>
<h1>Optential</h1>
<p>A new management system<br>for a new management paradigm!</p>
</div>
</div>
<form>
<div class="col1">
<h1>Contact us!</h1>
<input type="text" name="nome" size="50" placeholder="Name"/>
<input type="text" name="email" size="50" placeholder="Email"/>
<input type="text" name="subjet" size="50" placeholder="Subject"/>
</div>
<div class="col2">
<textarea name="message" rows="5" cols="70" placeholder="Message..."></textarea>
<a href="#">Send</a>
</div>
</form>
<div class="info">
<div>
<h1>Mail Us !</h1>
<p>Rua Andrade Corvo, 242</p>
<p>sala 206</p>
<p>4700-204 Braga</p>
<p>Portugal</p>
</div>
<div>
<h1>Call Us !</h1>
<a href="#"><p>+351 987654323</p></a>
<a href="#"><p>+351 987654323</p></a>
<a href="#"><p>+351 987654323</p></a>
</div>
<div>
<h1>Email Us! </h1>
<a href="#"><p>code@angel.com</p></a>
<a href="#"><p>code_hr@angel.com</p></a>
<a href="#"><p>code_support@angel.com</p></a>
</div>
<div>
<h1>Join Us! </h1>
<a href="#"><img src="img/facebook.png"></a>
<a href="#"><img src="img/gplus.png"></a>
<a href="#"><img src="img/twitter.png"></a>
<a href="#"><img src="img/instag.png"></a>
</div>
</div>
</div>

</body>
</html>

最佳答案

我相信您的 jquery 不包括在内。这是包含 jquery 且幻灯片有效的相同代码。

var seconds = 2; //time beetwen auto slide
var delay = 8; //time to restart auto slide

var slider = $('#slider');
var images = $('#slider .images');
var controls = $('<div>').addClass('controls');
slider.after(controls);
var width = images.width();
var slideClick = function() {
var b = $(this);
$('.controls div').removeClass('current');
b.addClass('current');
var index = b.index();
images.css('left', -1 * index * width);
};
$('#slider .images img').each(function(i) {
var img = $(this);
img.css('left', i * width);
var button = $('<div>');
controls.append(button);
if (i == 0) {
button.addClass('current')
}
button.click(function() {
clearInterval(autoSlideInterval);
slideClick.apply(this);
setTimeout(function() {
setInterval(autoSlide, seconds * 1000);
}, delay * 1000);
});
});
var autoSlide = function() {
var next = $('.controls .current').next();
if (next.length) {
slideClick.apply(next);
} else {
var first = $('.controls div').first();
slideClick.apply(first);
}
};
var autoSlideInterval = setInterval(autoSlide, seconds * 1000);
html,
body { height: 100%; }

body {
margin: 0;
font-family: 'Open Sans', Helvetica, sans-serif;
min-width: 900px;
}

.header {
background-image: url("img/fundo1.jpg");
background-color: rgb(21, 21, 21);
color: white;
height: 100%;
min-height: 650px;
position: relative;
}

.header .logo {
width: 230px;
height: 60px;
margin: 20px 8px 8px 6%;
}

.header .menu {
position: absolute;
top: 55px; right: 25px;
}

.header .menu a {
margin: 0 4px;
font-size: 15px;
color: white;
text-decoration: none;
padding: 6px 20px;
}

.header .menu a:hover,
.header .menu a.current {
color: rgb(204, 66, 63);
}

.header .move {
color: white;
width: 40%;
margin: 0;
padding: 10px;
}

.header .move .center {
margin: 260px auto 0;
width: 360px;
}

.header .move h1 {
font-weight: 400;
font-size: 38px;
margin: 6px 0;
}

.header .move p {
font-weight: 300;
font-size: 20px;
border-top: 2px solid white;
margin: 6px 0;
padding-top: 6px;
}

.header .mail1 {
background-image: url("img/email.png");
background-size: contain;
background-position: 100% 100%;
background-repeat: no-repeat;
width: 560px; height: 560px;
position: absolute;
bottom: 0; right: 0;
}

.header .mail1 form {
position: absolute;
width: 240px;
bottom: 220px; right: 155px;
}

.header .mail1 h1 {
font-weight: 300;
text-align: center;
color: rgb(203, 41, 37);

}
.header .mail1 input {
box-sizing: border-box;
width: 100%;
font-family: 'Open Sans', Helvetica, sans-serif;
padding: 8px;
border: 1px solid rgb(219, 219, 218);
border-radius: 6px;
margin-bottom: 12px;
}

.header .mail1 input:hover {
border: 1px solid rgb(189, 189, 188);
}

.header .mail1 input:focus {
outline: 0;
}

.header .mail1 a {
display: block;
color: white;
text-decoration: none;
background-color: rgb(204, 66, 63);
border-radius: 6px;
text-align: center;
padding: 8px;
font-size: 14px;
}

.header .mail1 a:hover {
background-color: rgb(224, 86, 83);
}

.mail2 {
box-shadow: 10px 6px 15px grey;
background-color: white;
background-image: url("img/barra.png");
background-position: 12% 0%;
height: 90px;
text-align: right;
}

.mail2.fixed {
position: fixed;
display:block;
top: 0; left: 0;
width: 100%;
min-width: 800px;
height: 90px;
z-index: 1;
}

.mail2 form {
display: inline-block;
margin: 30px 0;
padding: 0 10px;
width: 600px;
}

.mail2 h1 {
font-weight: 300;
color: rgb(203, 41, 37);
display: inline;
vertical-align: middle;
font-size: 28px;
}

.mail2 input {
box-sizing: border-box;
width: 220px;
font-family: 'Open Sans', Helvetica, sans-serif;
padding: 8px;
border: 1px solid rgb(219, 219, 218);
border-radius: 6px;
margin: 0 6px;
}

.mail2 input:hover {
border: 1px solid rgb(189, 189, 188);
}

.mail2 input:focus {
outline: 0;
}

.mail2 a {
display: inline;
color: white;
text-decoration: none;
background-color: rgb(204, 66, 63);
border-radius: 6px;
text-align: center;
padding: 8px 4%;
font-size: 14px;
}

.mail2 a:hover {
background-color: rgb(224, 86, 83);
}

.mail2 .top {
padding: 8px 6px;
background-color: rgb(51, 51, 51);
}

.mail2 .top:hover {
background-color: rgb(71, 71, 71);
}

#slider {
border: 2px solid #ddd;
margin: 1em auto;
width: 350px;
height: 250px;
overflow: hidden;
}
#slider .images {
position: relative;
transition: left 0.5s;
left: 0;
}
#slider .images img {
position: absolute;
}
.controls {
width: 350px;
margin: 0 auto;
display: flex;
justify-content: center;
}
.controls div {
width: 16px;
height: 16px;
margin: 0 8px;
background: tomato;
border-radius: 50%;
}
.controls .current {
background: firebrick;
}

.barra2 {
background-image: url('img/barra2.png');
background-size: cover;
padding-bottom: 21.6%;
}

.mobile {
background-image: url("img/fundo3.jpg");
background-size: cover;
background-color: rgb(171, 171, 171);
color: white;
padding-bottom: 44.4%;
position: relative;
}

.mobile .invisi {
position: absolute;
width: 13%;
height: 10%;
bottom: 14%;
border-radius: 8px;
}
.mobile .invisi:hover {
background: white;
opacity: 0.2;
}

.mobile .appstore {
right: 26.5%;
}

.mobile .googleplay {
right: 11.5%;
}

.contact {
background-image: url("img/fundo2es.jpg");
background-size: cover;
background-color: rgb(21, 21, 21);
background-repeat: no-repeat;
height:100%;
color:white;
}

.contact .textocon {
text-align: right;
padding: 55px 75px 0 0;
}

.contact .textocon div {
display: inline-block;
width: 290px
}

.contact .textocon h1 {
font-weight: 400;
font-size: 42px;
margin: 6px 0;
}

.contact .textocon p {
font-weight: 300;
font-size: 19px;
border-top: 2px solid white;
margin: 6px 0;
padding-top: 6px;
}

.contact .col1 {
display: inline-block;
vertical-align: top;
width: 410px;
padding: 10px 6px 10px 60px;
}

.contact .col1 h1 {
font-weight: 300;
font-size: 25px;
margin: 4px 0;
}

.contact .col1 input {
width: 380px;
height: 20px;
}

.contact .col1 input,
.contact .col2 textarea {
font-family: 'Open Sans', Helvetica, sans-serif;
padding: 14px;
font-size: 13px;
color: white;
background-color: transparent;
border: 1px solid rgb(172, 161, 160);
margin: 6px 0;
}
.contact .col1 input:focus,
.contact .col2 textarea:focus {
outline: 0;
border: 1px solid white;
}

.contact .col2 {
display: inline-block;
width: calc(100% - 560px);
padding: 52px 10px 10px 0;
text-align: right;
}

.contact .col2 textarea {
text-align: left;
width: 100%;
box-sizing: border-box;
height: 112px;
}

.contact .col2 a {
display: inline-block;
color: white;
font-weight: bold;
text-decoration: none;
background-color: rgb(204, 66, 63);
border-radius: 6px;
padding: 12px 60px;
font-size: 20px;
}
.contact .col2 a:hover {
background-color: rgb(224, 86, 83);
}

.contact .info {
padding: 10px 60px;
display: flex;
justify-content: space-between;
}

.contact .info h1 {
font-weight: 300;
font-size: 25px;
}

.contact .info p {
font-size: 12px;
line-height: 12px;
}

.contact .info a {
text-decoration: none;
color: white;
}
.contact .info a:hover {
color: #ddd;
}

.contact .info img {
width: 32px;
margin: 6px;
}
.contact .info img:hover {
opacity: 0.8;
}
<!DOCTYPE html>

<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="js/prefixfree.min.js"></script>
<script src="js/fixedbar.js"></script>
<meta charset="utf-8">
<link href="http://fonts.googleapis.com/css?family=Open+Sans:400,300" rel="stylesheet" type="text/css">
<link href="styles.css" rel="stylesheet" type="text/css">
<script src="js/slider.js"></script>
<title> Layout </title>
</head>
<body>

<div class="header" id="top">
<img class="logo" src="img/logo.png">
<div class="menu">
<a href="#" class="current">Home</a>
<a href="#tour">Product Tour</a>
<a href="#">Pricing</a>
<a href="#">Try</a>
<a href="#vision">Vision</a>
</div>
<div class="move">
<div class="center">
<h1>Move work forward!</h1>
<p>Optential keeps your team organized, connected, and focused on results.</p>
</div>
</div>
<div class="mail1">
<form>
<h1>Try Now!</h1>
<input type="text" placeholder="Your Email here...">
<a href="#">Get started for free</a>
</form>
</div>
</div>

<div class="mail2">
<form>
<h1>Try Now!</h1>
<input type="text" placeholder="Your Email here...">
<a href="#">Get started for free</a>
<a class="top" href="#top">Top</a>
</form>
</div>


<div id="slider">
<div class="images">
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关于javascript - 尝试实现一个简单的幻灯片放映 - 行不通,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31052812/

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