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老師，這個(gè)例子的源碼在哪
2016-05-31
源自：JS+CSS3實(shí)現(xiàn)帶預(yù)覽圖幻燈片效果 3-1
正在回答
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>js+css實(shí)現(xiàn)帶預(yù)覽圖幻燈片效果</title>
<style>
*{margin:0;padding:0;}
body{padding:50px 0;font-size:14px;font-family:"Microsoft YaHei UI";background:#fff;color:#555;-webkit-font-smoothing:antialiased;}
.main-i,.main,.slider{width:100%;height:400px;position:relative;}
/*幻燈片區(qū)域*/
.slider .main{overflow:hidden;}
.main-i{opacity:0;position:absolute;right:50%;top:0;-webkit-transition:all .5s;z-index:2;}
.main-i_right{right:-50%;}
#main_background,.main-i_active{opacity:1;right:0;z-index:2;}
#main_background{z-index:1;}
.main-i img{width:100%;position:absolute;left:0;top:50%;z-index:1;}
.caption{position:absolute;right:64%;top:30%;z-index:9;}
.caption h2{font-size:40px;line-height:50px;color:#b5b5b5;text-align:right;margin-right:45px;}
.caption h3{font-size:70px;line-height:70px;color:#000;text-align:right;font-family: open-sans-condensed;margin-right:-45px;}
.caption h2,.caption h3{-webkit-transition:all 1s .8s;opacity:0;}
/*控制按鈕區(qū)域*/
.slider .ctrl{width:100%;height:13px;line-height:13px;text-align:center;position:absolute;left:0;bottom:-13px;/*background-color:#f00;*/}
.ctrl-i{display:inline-block;width:150px;height:13px;background:#666;box-shadow:0 1px 1px rgba(0,0,0,.3);position:relative;margin-left:1px;}
.ctrl-i img{width:100%;position:absolute;left:0;bottom:50px;z-index:1; opacity:0;-webkit-transition:all .2s;}
/*hover*/
.ctrl-i:hover{background:#f0f0f0;}
.ctrl-i:hover img{bottom:13px;-webkit-box-reflect:below 0px -webkit-gradient(
linear,
left top,
left bottom,
from( transparent ),
color-stop( 50%,transparent ),
to( rgba(255,255,255,.3) )
);
opacity:1;
}
/*active*/
.ctrl-i_active:hover,.ctrl-i_active{background:#000;}
.ctrl-i_active:hover img{opacity:0;}
.main-i_active h2,.main-i_active h3{margin-right:0;opacity:1;}
</style>
</head>
<body>
<div class="slider">
<!--0.修改VIEW ——> Template(關(guān)鍵字替換)，增加template id -->
<div class="main" id="template_main">
? ? <!--幻燈片模板-->
? ? <div class="main-i {{css}}" id="main_{{index}}">
? ? ? ? <div class="caption">
? ? ? ? ? ? <h2>{{h2}}</h2>
? ? ? ? ? ? ? ? <h3>{{h3}}</h3>
? ? ? ? ? ? </div>
? ? ? ? ? ? <img src="images/{{index}}.jpg" class="picture" />
? ? ? ? </div>
? ? </div>
? ? <div class="ctrl" id="template_ctrl">
? ? <a href="javascript:switchSlider({{index}});" class="ctrl-i" id="ctrl_{{index}}"><img src="images/{{index}}.jpg" alt=""></a>
</div>
<script>
//1.數(shù)據(jù)定義（實(shí)際生產(chǎn)環(huán)境中，應(yīng)有后臺(tái)給出）
var data = [
{img:1,h1:'Creative',h2:'DUET'},
{img:2,h1:'Friendly',h2:'DEVIL'},
{img:3,h1:'Tranquilent',h2:'COMPATRIOT'},
{img:4,h1:'Insecure',h2:'HUSSLER'},
{img:5,h1:'Loving',h2:'REBEL'},
{img:6,h1:'Passionate',h2:'SEEKER'},
{img:7,h1:'Crazy',h2:'FRIEND'}
];
//2.通用函數(shù)
var g = function(id){
if(id.substr(0,1) == "."){
return document.getElementsByClassName(id.substr(1));
return document.getElementById(id);
//3.添加所有幻燈片&對(duì)應(yīng)按鈕
function addSliders(){
//3.1獲取模板
var tpl_main= g('template_main').innerHTML
? ? ? ? ? ? ? .replace(/^\s*/,'')
.replace(/\s*$/,'');
var tpl_ctrl= g('template_ctrl').innerHTML
//3.2定義最終輸出 html的變量
var out_main = []; //所有幻燈片變量
var out_ctrl = []; //所有控制按鈕變量
//3.3遍歷所有數(shù)據(jù)，構(gòu)建最終輸出的 HTML
for(i in data){
var _html_main = tpl_main
.replace(/{{index}}/g,data[i].img)
.replace(/{{h2}}/g,data[i].h1)
.replace(/{{h3}}/g,data[i].h2)
.replace(/{{css}}/g,['','main-i_right'][i%2]);
var _html_ctrl = tpl_ctrl
.replace(/{{index}}/g,data[i].img);
out_main.push(_html_main);
out_ctrl.push(_html_ctrl);
//3.4吧HTML回寫到對(duì)應(yīng)的DOM里面
g('template_main').innerHTML = out_main.join('');
g('template_ctrl').innerHTML = out_ctrl.join('');
//7.增加 #main_background,以免出現(xiàn)空白背景
g('template_main').innerHTML += tpl_main
.replace(/{{index}}/g,'{{index}}');
g('main_{{index}}').id = 'main_background';
//5.幻燈片切換
function switchSlider(n){
//5.1獲得要展現(xiàn)的幻丁片&控制按鈕 DOM
var main = g('main_'+n);
var ctrl = g('ctrl_'+n);
//5.2獲得所有幻燈片以及控制按鈕
var clear_main = g('.main-i');
var clear_ctrl = g('.ctrl-i');
//5.3清除他們的active樣式
for(i=0;i<clear_ctrl.length;i++){
clear_main[i].className = clear_main[i].className.replace('main-i_active','');
clear_ctrl[i].className = clear_ctrl[i].className.replace('ctrl-i_active','');
for(i=0;i<clear_ctrl.length; i++ ){ ? //標(biāo)準(zhǔn)的遍歷語(yǔ)法，真正意義上的數(shù)組對(duì)象可以用 for in循環(huán)。
? ? ? ? ? ? ? ? clear_main[i].className = clear_main[i].className
? ? ? ? ? ? ? ? ? ? ? ? .replace(' main-i_active','');
? ? ? ? ? ? ? ? clear_ctrl[i].className = clear_ctrl[i].className
? ? ? ? ? ? ? ? ? ? ? ? .replace(' ctrl-i_active','');
? ? ? ? ? ? }
//5.4為當(dāng)前控制按鈕和圖片加樣式
main.className += ' main-i_active';
ctrl.className += ' ctrl-i_active';
//7.2切換時(shí)復(fù)制上一張幻燈片到 main_background 中
setTimeout(function(){
g('main_background').innerHTML = main.innerHTML;
},1000)
//6.動(dòng)態(tài)調(diào)整圖片的 margin-top ,使其垂直居中
function movePictures(){
var pictures = g('.picture');
for(i=0; i<pictures.length; i++){
pictures[i].style.marginTop = (-1 * pictures[i].clientHeight/2) + 'px';
//4.定義何時(shí)處理幻燈片輸出
window.onload = function(){
addSliders();
switchSlider(2);
movePictures();
},100);?
</script>
</body>
</html>
momoyy123 提問(wèn)者
//弄了一下午終于好了。在我電腦上顯示是可以的。
<!DOCTYPE html>
? ?<title>預(yù)覽圖幻燈片</title>
? ?<meta charset="utf-8">
? ?<head>
? ?<style>
? ?*{margin:0;padding:0;}
? ?body{
? ? margin:50px 0;
? ? font-size: 54px;
? ? background-color: #FFF;
? ? color:#555;
? ? -webkit-font-smoothing:antialiased;/*字體抗鋸齒*/
? ?}
??
? ?.slider{
? ? width:100%;
? ? height:400px;
? ? position:relative;
? ?/*幻燈片區(qū)域*/
? ?.slider .main{
? ? overflow: hidden;}
? ? /*每一個(gè)幻燈片樣式*/
? ?.slider .main .main-i{
? ? position:relative;}
? ?.slider .main .main-i img{
? ? position:absolute;
? ? left:0;
? ? top:0;
? ? z-index:1;
? ?.slider .main .main-i .caption{
? ? right:50%;
? ? top:30%;
? ? z-index: 9;
? ?.slider .main .main-i .caption h2{
? ? font-size: 40px;
? ? line-height:50px;
? ? text-align: right;
? ? color:#B5B5B5;?
? ?.slider .main .main-i .caption h3{
? ? font-size: 70px;
? ? line-height:70px;
? ? color:#000000;?
? ?/*控制按鈕預(yù)覽圖區(qū)域*/
? ?.slider .ctrl{
? ? height:13px;
? ? line-height: 13px;
? ? text-align: center;
? ? bottom:-1px;
? ?
? ?.slider .ctrl .ctrl-i{
? ? display: inline-block;
? ? width:150px;
? ? background:#666;
? ? box-shadow: 0 1px 1px,rgba(0,0,0,0.3)inset;
? ? margin-left: 1px;
? ?.slider .ctrl .ctrl-i:hover{background:#F0F0F0;}
? ?.slider .ctrl .ctrl-i img{
? ? width:100%;/*實(shí)際上它會(huì)跟隨它的父元素寬度變?yōu)?50px */
? ? bottom:50px;
? ?z-index:2;
? ?opacity:0;
? ?-webkit-transition:all 0.2s;}
? ? .slider .ctrl .ctrl-i:hover img{bottom:13px;
? ? ?-webkit-box-reflect:below 0px -webkit-gradient(
? ? linear,
? ? left top,
? ? left bottom,
? ? from(transparent),
? ? color-stop(50%,transparent),
? ? to(rgba(255,255,255,0.3)));
? ? ?opacity:1;}
? ? ?/*當(dāng)前展現(xiàn)的狀態(tài)*/
? ? ? .slider .ctrl .ctrl-i_active:hover,
? ? .slider .ctrl .ctrl-i_active{
? ? ? background:#000;
? ? ?}
? ? ?.slider .ctrl .ctrl-i_active:hover img{
? ? ? opacity:0;
? ? ?/*幻燈片切換的樣式*/
? ? ?.slider .main .main-i{opacity:0;position:absolute;right:50%;top:0;-webkit-transition:all 0.5s;}
? ? ?.slider .main .main-i h2{margin-right: 45px;}
? ? ?.slider .main .main-i h3{margin-right:-45px;}
? ? ?.slider .main .main-i h2,.slider .main .main-i h3{opacity:0;-webkit-transition:all 1s 0.8s;}
? ? ?.slider .main .main-i_active{opacity:1;right:0;}
? ? ?.slider .main .main-i_active h2,.slider .main .main-i_active h3{margin-right:0px;opacity:1;}
? ? ?.slider .main .main-i .caption{margin-right:13%;}
? ?</style>
? ?</head>
? ?<body>
? ? ?<div class="slider">
? ? ?<!-- 修改VIEW為模板,關(guān)鍵字替換 -->
? ? ? ? <div class="main" id="template_main">
? ? ? ? ? ?<div class="main-i" id="main_{{index}}">
? ? ? ? ? ? <div class=caption>
? ? ? ? ? ? ? <h2>{{h2}}</h2>
? ? ? ? ? ? ? <h3>{{h3}}</h3>
? ? ? ? ? ?<img src="images/{{index}}.jpg" />
? ? ? ?<div class="ctrl" id="template_ctrl">
? ? ? ?<a class="ctrl-i" id="ctrl_{{index}}" href="javascript:switchSlider({{index}});"><img src="images/{{index}}.jpg"/></a>
? ? ? ?</div>
? ? ?</div>
? ? <script>
? ?</body>
? ?</html>
慕斯卡8624133
qq_碧海晴天_0
舉報(bào)
同樣的幻燈片，不一樣的切換，學(xué)會(huì)實(shí)現(xiàn)思路，操作很簡(jiǎn)單
1 回答本例的【CSS源碼】、【JS源碼】和【DIV源碼】在此！
5 回答老師求源碼
7 回答源代碼從哪里下載
4 回答我只想問(wèn)下：源代碼在哪里可以下載嗎？？
2 回答求源碼??！
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2016-07-25
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>js+css實(shí)現(xiàn)帶預(yù)覽圖幻燈片效果</title>
<style>
*{margin:0;padding:0;}
body{padding:50px 0;font-size:14px;font-family:"Microsoft YaHei UI";background:#fff;color:#555;-webkit-font-smoothing:antialiased;}
.main-i,.main,.slider{width:100%;height:400px;position:relative;}
/*幻燈片區(qū)域*/
.slider .main{overflow:hidden;}
.main-i{opacity:0;position:absolute;right:50%;top:0;-webkit-transition:all .5s;z-index:2;}
.main-i_right{right:-50%;}
#main_background,.main-i_active{opacity:1;right:0;z-index:2;}
#main_background{z-index:1;}
.main-i img{width:100%;position:absolute;left:0;top:50%;z-index:1;}
.caption{position:absolute;right:64%;top:30%;z-index:9;}
.caption h2{font-size:40px;line-height:50px;color:#b5b5b5;text-align:right;margin-right:45px;}
.caption h3{font-size:70px;line-height:70px;color:#000;text-align:right;font-family: open-sans-condensed;margin-right:-45px;}
.caption h2,.caption h3{-webkit-transition:all 1s .8s;opacity:0;}
/*控制按鈕區(qū)域*/
.slider .ctrl{width:100%;height:13px;line-height:13px;text-align:center;position:absolute;left:0;bottom:-13px;/*background-color:#f00;*/}
.ctrl-i{display:inline-block;width:150px;height:13px;background:#666;box-shadow:0 1px 1px rgba(0,0,0,.3);position:relative;margin-left:1px;}
.ctrl-i img{width:100%;position:absolute;left:0;bottom:50px;z-index:1; opacity:0;-webkit-transition:all .2s;}
/*hover*/
.ctrl-i:hover{background:#f0f0f0;}
.ctrl-i:hover img{bottom:13px;-webkit-box-reflect:below 0px -webkit-gradient(
linear,
left top,
left bottom,
from( transparent ),
color-stop( 50%,transparent ),
to( rgba(255,255,255,.3) )
);
opacity:1;
}
/*active*/
.ctrl-i_active:hover,.ctrl-i_active{background:#000;}
.ctrl-i_active:hover img{opacity:0;}
.main-i_active h2,.main-i_active h3{margin-right:0;opacity:1;}
</style>
</head>
<body>
<div class="slider">
<!--0.修改VIEW ——> Template(關(guān)鍵字替換)，增加template id -->
<div class="main" id="template_main">
? ? <!--幻燈片模板-->
? ? <div class="main-i {{css}}" id="main_{{index}}">
? ? ? ? <div class="caption">
? ? ? ? ? ? <h2>{{h2}}</h2>
? ? ? ? ? ? ? ? <h3>{{h3}}</h3>
? ? ? ? ? ? </div>
? ? ? ? ? ? <img src="images/{{index}}.jpg" class="picture" />
? ? ? ? </div>
? ? </div>
? ? <div class="ctrl" id="template_ctrl">
? ? <a href="javascript:switchSlider({{index}});" class="ctrl-i" id="ctrl_{{index}}"><img src="images/{{index}}.jpg" alt=""></a>
? ? </div>
</div>
<script>
//1.數(shù)據(jù)定義（實(shí)際生產(chǎn)環(huán)境中，應(yīng)有后臺(tái)給出）
var data = [
{img:1,h1:'Creative',h2:'DUET'},
{img:2,h1:'Friendly',h2:'DEVIL'},
{img:3,h1:'Tranquilent',h2:'COMPATRIOT'},
{img:4,h1:'Insecure',h2:'HUSSLER'},
{img:5,h1:'Loving',h2:'REBEL'},
{img:6,h1:'Passionate',h2:'SEEKER'},
{img:7,h1:'Crazy',h2:'FRIEND'}
];
//2.通用函數(shù)
var g = function(id){
if(id.substr(0,1) == "."){
return document.getElementsByClassName(id.substr(1));
}
return document.getElementById(id);
}
//3.添加所有幻燈片&對(duì)應(yīng)按鈕
function addSliders(){
//3.1獲取模板
var tpl_main= g('template_main').innerHTML
? ? ? ? ? ? ? .replace(/^\s*/,'')
.replace(/\s*$/,'');
var tpl_ctrl= g('template_ctrl').innerHTML
? ? ? ? ? ? ? .replace(/^\s*/,'')
.replace(/\s*$/,'');
//3.2定義最終輸出 html的變量
var out_main = []; //所有幻燈片變量
var out_ctrl = []; //所有控制按鈕變量
//3.3遍歷所有數(shù)據(jù)，構(gòu)建最終輸出的 HTML
for(i in data){
var _html_main = tpl_main
.replace(/{{index}}/g,data[i].img)
.replace(/{{h2}}/g,data[i].h1)
.replace(/{{h3}}/g,data[i].h2)
.replace(/{{css}}/g,['','main-i_right'][i%2]);
var _html_ctrl = tpl_ctrl
.replace(/{{index}}/g,data[i].img);
out_main.push(_html_main);
out_ctrl.push(_html_ctrl);
}
//3.4吧HTML回寫到對(duì)應(yīng)的DOM里面
g('template_main').innerHTML = out_main.join('');
g('template_ctrl').innerHTML = out_ctrl.join('');
//7.增加 #main_background,以免出現(xiàn)空白背景
g('template_main').innerHTML += tpl_main
.replace(/{{index}}/g,'{{index}}');
g('main_{{index}}').id = 'main_background';
}
//5.幻燈片切換
function switchSlider(n){
//5.1獲得要展現(xiàn)的幻丁片&控制按鈕 DOM
var main = g('main_'+n);
var ctrl = g('ctrl_'+n);
//5.2獲得所有幻燈片以及控制按鈕
var clear_main = g('.main-i');
var clear_ctrl = g('.ctrl-i');
//5.3清除他們的active樣式
for(i=0;i<clear_ctrl.length;i++){
clear_main[i].className = clear_main[i].className.replace('main-i_active','');
clear_ctrl[i].className = clear_ctrl[i].className.replace('ctrl-i_active','');
}
for(i=0;i<clear_ctrl.length; i++ ){ ? //標(biāo)準(zhǔn)的遍歷語(yǔ)法，真正意義上的數(shù)組對(duì)象可以用 for in循環(huán)。
? ? ? ? ? ? ? ? clear_main[i].className = clear_main[i].className
? ? ? ? ? ? ? ? ? ? ? ? .replace(' main-i_active','');
? ? ? ? ? ? ? ? clear_ctrl[i].className = clear_ctrl[i].className
? ? ? ? ? ? ? ? ? ? ? ? .replace(' ctrl-i_active','');
? ? ? ? ? ? }
//5.4為當(dāng)前控制按鈕和圖片加樣式
main.className += ' main-i_active';
ctrl.className += ' ctrl-i_active';
//7.2切換時(shí)復(fù)制上一張幻燈片到 main_background 中
setTimeout(function(){
g('main_background').innerHTML = main.innerHTML;
},1000)
}
//6.動(dòng)態(tài)調(diào)整圖片的 margin-top ,使其垂直居中
function movePictures(){
var pictures = g('.picture');
for(i=0; i<pictures.length; i++){
pictures[i].style.marginTop = (-1 * pictures[i].clientHeight/2) + 'px';
}
}
//4.定義何時(shí)處理幻燈片輸出
window.onload = function(){
addSliders();
switchSlider(2);
setTimeout(function(){
movePictures();
},100);?
}
</script>
</body>
</html>
2016-07-26
//弄了一下午終于好了。在我電腦上顯示是可以的。
<!DOCTYPE html>
<html>
? ?<title>預(yù)覽圖幻燈片</title>
? ?<meta charset="utf-8">
? ?<head>
? ?<style>
? ?*{margin:0;padding:0;}
? ?body{
? ? margin:50px 0;
? ? font-size: 54px;
? ? background-color: #FFF;
? ? color:#555;
? ? -webkit-font-smoothing:antialiased;/*字體抗鋸齒*/
? ?}
??
? ?.slider{
? ? width:100%;
? ? height:400px;
? ? position:relative;
? ?}
? ?/*幻燈片區(qū)域*/
? ?.slider .main{
? ? width:100%;
? ? height:400px;
? ? position:relative;
? ? overflow: hidden;}
? ? /*每一個(gè)幻燈片樣式*/
? ?.slider .main .main-i{
? ? width:100%;
? ? height:400px;
? ? position:relative;}
? ?.slider .main .main-i img{
? ? width:100%;
? ? position:absolute;
? ? left:0;
? ? top:0;
? ? z-index:1;
? ?}
? ?.slider .main .main-i .caption{
? ? position:absolute;
? ? right:50%;
? ? top:30%;
? ? z-index: 9;
? ?}
? ?.slider .main .main-i .caption h2{
? ? font-size: 40px;
? ? line-height:50px;
? ? text-align: right;
? ? color:#B5B5B5;?
? ?}
? ?.slider .main .main-i .caption h3{
? ? font-size: 70px;
? ? line-height:70px;
? ? text-align: right;
? ? color:#000000;?
? ?}
? ?/*控制按鈕預(yù)覽圖區(qū)域*/
? ?.slider .ctrl{
? ? width:100%;
? ? height:13px;
? ? line-height: 13px;
? ? text-align: center;
? ? position:absolute;
? ? left:0;
? ? bottom:-1px;
? ?
? ?}
? ?.slider .ctrl .ctrl-i{
? ? display: inline-block;
? ? width:150px;
? ? height:13px;
? ? background:#666;
? ? box-shadow: 0 1px 1px,rgba(0,0,0,0.3)inset;
? ? position:relative;
? ? margin-left: 1px;
? ?}
? ?.slider .ctrl .ctrl-i:hover{background:#F0F0F0;}
? ?.slider .ctrl .ctrl-i img{
? ? width:100%;/*實(shí)際上它會(huì)跟隨它的父元素寬度變?yōu)?50px */
? ? position:absolute;
? ? left:0;
? ? bottom:50px;
? ?z-index:2;
? ?opacity:0;
? ?-webkit-transition:all 0.2s;}
? ? .slider .ctrl .ctrl-i:hover img{bottom:13px;
? ? ?-webkit-box-reflect:below 0px -webkit-gradient(
? ? linear,
? ? left top,
? ? left bottom,
? ? from(transparent),
? ? color-stop(50%,transparent),
? ? to(rgba(255,255,255,0.3)));
? ? ?opacity:1;}
? ? ?/*當(dāng)前展現(xiàn)的狀態(tài)*/
? ? ? .slider .ctrl .ctrl-i_active:hover,
? ? .slider .ctrl .ctrl-i_active{
? ? ? background:#000;
? ? ?}
? ? ?.slider .ctrl .ctrl-i_active:hover img{
? ? ? opacity:0;
? ? ?}
? ? ?/*幻燈片切換的樣式*/
? ? ?.slider .main .main-i{opacity:0;position:absolute;right:50%;top:0;-webkit-transition:all 0.5s;}
? ? ?.slider .main .main-i h2{margin-right: 45px;}
? ? ?.slider .main .main-i h3{margin-right:-45px;}
? ? ?.slider .main .main-i h2,.slider .main .main-i h3{opacity:0;-webkit-transition:all 1s 0.8s;}
? ? ?.slider .main .main-i_active{opacity:1;right:0;}
? ? ?.slider .main .main-i_active h2,.slider .main .main-i_active h3{margin-right:0px;opacity:1;}
? ? ?.slider .main .main-i .caption{margin-right:13%;}
? ?</style>
? ?
? ?</head>
? ?<body>
? ? ?<div class="slider">
? ? ?<!-- 修改VIEW為模板,關(guān)鍵字替換 -->
? ? ? ? <div class="main" id="template_main">
? ? ? ? ? ?<div class="main-i" id="main_{{index}}">
? ? ? ? ? ? <div class=caption>
? ? ? ? ? ? ? <h2>{{h2}}</h2>
? ? ? ? ? ? ? <h3>{{h3}}</h3>
? ? ? ? ? ? </div>
? ? ? ? ? ?<img src="images/{{index}}.jpg" />
? ? ? ? </div>
? ? ? ? </div>
? ? ? ?<div class="ctrl" id="template_ctrl">
? ? ? ?<a class="ctrl-i" id="ctrl_{{index}}" href="javascript:switchSlider({{index}});"><img src="images/{{index}}.jpg"/></a>
? ? ? ?</div>
? ? ?</div>
? ? <script>
//1.數(shù)據(jù)定義（實(shí)際生產(chǎn)環(huán)境中，應(yīng)有后臺(tái)給出）
var data = [
{img:1,h1:'Creative',h2:'DUET'},
{img:2,h1:'Friendly',h2:'DEVIL'},
{img:3,h1:'Tranquilent',h2:'COMPATRIOT'},
{img:4,h1:'Insecure',h2:'HUSSLER'},
{img:5,h1:'Loving',h2:'REBEL'},
{img:6,h1:'Passionate',h2:'SEEKER'},
{img:7,h1:'Crazy',h2:'FRIEND'}
];
//2.通用函數(shù)
var g = function(id){
if(id.substr(0,1) == "."){
return document.getElementsByClassName(id.substr(1));
}
return document.getElementById(id);
}
//3.添加所有幻燈片&對(duì)應(yīng)按鈕
function addSliders(){
//3.1獲取模板
var tpl_main= g('template_main').innerHTML
? ? ? ? ? ? ? .replace(/^\s*/,'')
.replace(/\s*$/,'');
var tpl_ctrl= g('template_ctrl').innerHTML
? ? ? ? ? ? ? .replace(/^\s*/,'')
.replace(/\s*$/,'');
//3.2定義最終輸出 html的變量
var out_main = []; //所有幻燈片變量
var out_ctrl = []; //所有控制按鈕變量
//3.3遍歷所有數(shù)據(jù)，構(gòu)建最終輸出的 HTML
for(i in data){
var _html_main = tpl_main
.replace(/{{index}}/g,data[i].img)
.replace(/{{h2}}/g,data[i].h1)
.replace(/{{h3}}/g,data[i].h2)
.replace(/{{css}}/g,['','main-i_right'][i%2]);
var _html_ctrl = tpl_ctrl
.replace(/{{index}}/g,data[i].img);
out_main.push(_html_main);
out_ctrl.push(_html_ctrl);
}
//3.4吧HTML回寫到對(duì)應(yīng)的DOM里面
g('template_main').innerHTML = out_main.join('');
g('template_ctrl').innerHTML = out_ctrl.join('');
//7.增加 #main_background,以免出現(xiàn)空白背景
g('template_main').innerHTML += tpl_main
.replace(/{{index}}/g,'{{index}}');
g('main_{{index}}').id = 'main_background';
}
//5.幻燈片切換
function switchSlider(n){
//5.1獲得要展現(xiàn)的幻丁片&控制按鈕 DOM
var main = g('main_'+n);
var ctrl = g('ctrl_'+n);
//5.2獲得所有幻燈片以及控制按鈕
var clear_main = g('.main-i');
var clear_ctrl = g('.ctrl-i');
//5.3清除他們的active樣式
for(i=0;i<clear_ctrl.length;i++){
clear_main[i].className = clear_main[i].className.replace('main-i_active','');
clear_ctrl[i].className = clear_ctrl[i].className.replace('ctrl-i_active','');
}
for(i=0;i<clear_ctrl.length; i++ ){ ? //標(biāo)準(zhǔn)的遍歷語(yǔ)法，真正意義上的數(shù)組對(duì)象可以用 for in循環(huán)。
? ? ? ? ? ? ? ? clear_main[i].className = clear_main[i].className
? ? ? ? ? ? ? ? ? ? ? ? .replace(' main-i_active','');
? ? ? ? ? ? ? ? clear_ctrl[i].className = clear_ctrl[i].className
? ? ? ? ? ? ? ? ? ? ? ? .replace(' ctrl-i_active','');
? ? ? ? ? ? }
//5.4為當(dāng)前控制按鈕和圖片加樣式
main.className += ' main-i_active';
ctrl.className += ' ctrl-i_active';
//7.2切換時(shí)復(fù)制上一張幻燈片到 main_background 中
setTimeout(function(){
g('main_background').innerHTML = main.innerHTML;
},1000)
}
//6.動(dòng)態(tài)調(diào)整圖片的 margin-top ,使其垂直居中
function movePictures(){
var pictures = g('.picture');
for(i=0; i<pictures.length; i++){
pictures[i].style.marginTop = (-1 * pictures[i].clientHeight/2) + 'px';
}
}
//4.定義何時(shí)處理幻燈片輸出
window.onload = function(){
addSliders();
switchSlider(2);
setTimeout(function(){
movePictures();
},100);?
}
</script>
? ?</body>
? ?</html>