鼠標移上去后倒影變得很淺，其他都沒什么問題
<!DOCTYPE html>
<html>
<head>
<title>preview slidershow</title>
<meta charset="UTF-8">
<style>
*{padding:0;margin:0;}/*初始化所有標簽的邊界為0*/
body{
padding:50px 0;
background-color:#FFF;
font-size:14px;
font-family:'Avenir Next';
color:#555;/*默認字體顏色*/
-webkit-font-smoothing:antialiased;/*字體鋸齒型*/
}
.slider .main .main-i,
.slider .main,
.slider{
width:100%;
height:400px;
position:relative;
}
/*幻燈片區(qū)域*/
.slider .main{
overflow:hidden;
}
/*每一個幻燈片的樣式*/
.slider .main .main-i{}
.slider .main .main-i img{
width:100%;
position:absolute;
left:0;
top:50%;
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;
color:#B5B5B5;
text-align:right;
}
.slider .main .main-i .caption h3{
font-size:70px;
line-height:70px;
color:#000000;
text-align:right;
font-family:'Open Sans Condensed';
}
/*控制按鈕區(qū)域*/
.slider .ctrl{
width:100%;
height:13px;
line-height:13px;
text-align:center;
position:absolute:
left:0;/*沒有意義的*/
bottom:-13px;
}
.slider .ctrl .ctrl-i{
display:inline-block;/*a標簽本身是inline*/
width:150px;
height:13px;
background-color:#666;
box-shadow:0 1px 1px rgba(0,0,0,.3);
position:relative;
margin-left:1px;
}
.slider .ctrl .ctrl-i img{
width:100%;/*實際寬度為150px*/
position:absolute;
left: 0;
bottom:50px;
z-index: 1;
opacity:0;
-webkit-transition:all 0.2s;
}
/*hover到控制按鈕區(qū)域*/
.slider .ctrl .ctrl-i:hover{
background-color:#F0F0F0;/*比#666簡單一點的灰色*/
}
.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,.3))
);
opacity:1;
}
/* active 當(dāng)前展現(xiàn)的狀態(tài) */
.slider .ctrl .ctrl-i_active:hover,
.slider .ctrl .ctrl-i_active{
background-color: #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 .5s;
z-index:2;
}
.slider .main .main-i_right{
right:-50%;
}
.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 .8s;
}
#main_background,
.slider .main .main-i_active{
right:0;
opacity:1;
z-index: 2;
}
#main_background{
z-index:1;
}
.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">
<!-- 0. VIEW轉(zhuǎn)換為Template(關(guān)鍵字替換），增加template id -->
<div class="main" id="template_main">
<div class="main-i {{css}}" id="main_{{index}}">
<div class="caption" >?
<h2>{{h2}}</h2>
<h3>{{h3}}</h3>
</div>
<img class="picture" src="image/{{index}}.jpg" />
</div>
</div>
<div class="ctrl" id="template_ctrl">
<a class="ctrl-i" id="ctrl_{{index}}" href="javascript:switchSlider({{index}});"><img src="image/{{index}}.jpg" /></a>
</div>
</div>
<script type="text/javascript">
//1.數(shù)據(jù)定義(實際生產(chǎn)環(huán)境中，應(yīng)由后臺給出)
var data=[
? ?{img:1,h1:'Creative',h2:'DUET'},
? ?{img:2,h1:'Friendly',h2:'DEVIL'},
? ?{img:3,h1:'Tranqilent',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. 添加幻燈片的操作（所有幻燈片以及所有的按鈕）
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=[];
var out_ctrl=[];
//3.3 遍歷所有數(shù)據(jù)，構(gòu)建最終輸出的HTML
for(i in data){?
// /g:表示全局替換? ? 替換成date[i].img?
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? 把HTML回寫到對應(yīng)的DOM中
g('template_main').innerHTML=out_main.join('');//join('')在此處是分離字符串
g('template_ctrl').innerHTML=out_ctrl.join('');
// 7.? 增加 #main_background
g('template_main').innerHTML +=tpl_main
.replace(/{{index}}/g,'{{index}}')
.replace(/{{h2}}/g,data[i].h1)
.replace(/{{h3}}/g,data[i].h2);
g('main_{{index}}').id ='main_background';
}
//5. 幻燈片切換
function switchSlider(n){
//5.1 獲得要獲得要展現(xiàn)的幻燈片&以及按鈕 DOM
var main = g('main_'+n);
var ctrl = g('ctrl_'+n);
//5.2 獲得獲得所有的幻燈片以及控制按鈕
var clear_main = g('.main-i');
var clear_ctrl = g('.ctrl-i');
//5.3清除它們的 acive 的樣式
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','');
}
//5.4 為當(dāng)前控制按鈕和幻燈片附加樣式
main.className += ' main-i_active';
ctrl.className += ' ctrl-i_active';
//7.2 切換時，復(fù)制上一張幻燈片到main_background中
setTimeout(function(){
g('main_background').innerHTML =main.innerHTML;
},1000);
}
//6. 動態(tài)調(diào)整圖片的 margin-top 以使其垂直居中
function movePictures(){
var pictures=g('.picture');
for(i=0;i<pictures.length;i++){
pictures[i].style.marginTop=(-1*pictures[i].clientHeight/2)+'px'
}
}
//4.定義何時處理幻燈片處理
window.onload=function(){
addSliders();
switchSlider(2);
setTimeout(function(){
movePictures();
},100)
}
</script>
</body>
</html>
2018-07-17
因為覆蓋的原因，可以把z-index變的大一點