zoukankan      html  css  js  c++  java
  • 实现全屏轮播,并且轮播div中的文字盒子一直自动垂直居中

    效果如下:

    直接上代码了:

    说明:轮播图基于swiper.js,自行下载。css在最后

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <link rel="shortcut icon" href="images/logo.ico">
        <link rel="stylesheet" href="js/swiper/swiper.min.css">
        <link rel="stylesheet" href="css/global.css">
        <link rel="stylesheet" href="css/style.css">
        <script src="js/jquery-2.1.1.min.js"></script>
        <script src="js/swiper/swiper.jquery.min.js"></script>
        <title>云蚂客小程序</title>
    </head>
    <body>
        <header class="head">
            <nav>
                <span class="nav_logo"></span>
                <h1>云蚂客首页</h1>
                <button class="nav_btn"></button>
            </nav>
            <!-- Swiper -->
            <div class="swiper-container">
                <div class="swiper-wrapper">
                    <div class="swiper-slide banner_bg1"><div class="banner_txt1">11</div></div>
                    <div class="swiper-slide banner_bg2"><div class="banner_txt2">22</div></div>
                    <div class="swiper-slide banner_bg3"><div class="banner_txt3">33</div></div>
                </div>
                <!-- Add Pagination -->
                <div class="swiper-pagination swiper-pagination-white"></div>
                <!-- Add Arrows -->
                <div class="swiper-button-next swiper-button-white"></div>
                <div class="swiper-button-prev swiper-button-white"></div>
            </div>
        </header>
        
        <!-- 配置 Swiper -->
        <script>
            var swiper = new Swiper('.swiper-container', {
                //pagination: '.swiper-pagination',
                paginationClickable: '.swiper-pagination',
                nextButton: '.swiper-button-next',
                prevButton: '.swiper-button-prev',
                spaceBetween: 30,
                effect: 'fade'
            });
        </script>
        <script>
            //使div中的文字段落始终垂直居中
            function textVerCenter(obj){
                var parHeight = $(obj).parent().height();  //获取父级高度
                var objHeight = $(obj).height();    //获取自身高度
                $(obj).css({
                    'position':'absolute',
                    'width':'100%',
                    'height':'auto',
                    'textAlign':'center',
                    'top':(parseInt(parHeight)-parseInt(objHeight))/2+'px',
                });
            }
    
            $(function(){
                //控制banner全屏高度,并且文字内容垂直居中
                var screenHeight = window.screen.availHeight
                $(".head").height(screenHeight);
                textVerCenter(".banner_txt1");    //文字居中
                textVerCenter(".banner_txt2");    //文字居中
                textVerCenter(".banner_txt3");    //文字居中
    
    
            })
        </script>
    </body>
    </html>

    css:

    @charset "utf-8";
    /*CSS Reset*/
    /*"微软雅黑","5FAE8F6F96C59ED1","Microsoft YaHei"
    "黑体","9ED14F53"
    "新宋体","65B05B8B4F53"
    "宋体","5B8B4F53"
    "幼圆"    ,"YouYuan","5E7C5706"
    */
    *{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;word-wrap:break-all}:before,:after{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
    body{min-height:100%;background-color:#fff;-webkit-font-26oothing:antialiased;-moz-osx-font-26oothing:grayscale;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}
    body{font-family:Arial,'微软雅黑',"5FAE8F6F96C59ED1","Microsoft Yahei","simsun","5B8B4F53","宋体","65B05B8B4F53","新宋体";font-size:14px;color: #444;}
    html,body,h1,h2,h3,h4,h5,h6,dl,dt,dd,ul,ol,li,hr,p,pre,span,strong,form,iframe,label,button,input,textarea,table,tr,th,td,fieldset,i{margin:0;padding:0;text-align:left}
    dl,dd,ol,ul,li{list-style:none;list-style-type:none}
    div{text-align:left;margin-left:auto;margin-right:auto}
    i{display:inline-block;font-style:normal;font-weight:normal;text-align:center;vertical-align:middle}
    h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:300}
    a,a:link,a:visited,a:hover,a:active,a:focus,input,button,textarea,select,optgroup,option,a:focus,input:focus,button:focus,textarea:focus,select:focus,optgroup:focus,option:focus,label,label:focus{outline:none;text-decoration:none;-webkit-tap-highlight-color:rgba(255,0,0,0);-webkit-appearance: none;}
    img{width:100%;border:0;vertical-align:middle}a img,img{-ms-interpolation-mode:bicubic}
    a,a:link,a:visited{color:#333333;cursor:pointer}
    a:hover,a:active{text-decoration:underline}a.ie6:hover{zoom:1}
    button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}
    input,button,textarea,select,optgroup,option{border:0;font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;line-height:inherit;overflow:visible;vertical-align:middle;outline:none;border-radius:0;}
    select {appearance:none;-moz-appearance:none;-webkit-appearance:none}select::-ms-expand { display: none; }select[multiple],select[size]{height:auto}
    textarea{overflow-y:auto}
    hr{height:0;margin:15px 0;border:0;border-top:1px solid #eee;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box}
    b,strong{font-weight:700}
    sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}
    table{border-spacing:0;border-collapse:collapse}
    header,footer,section,aside,article,main,nav,menu,details,summary,address,hgroup,figure,figcaption,legend{display:block;margin:0;padding:0}
    audio,canvas,progress,video{display:inline-block;*display:inline;*zoom:1}
    audio:not([controls]){display:none;height:0}
    legend{width:100%;margin-bottom:20px;font-size:21px;line-height:40px;border:0;border-bottom:1px solid #e5e5e5}
    time{display:inline}
    svg:not(:root){overflow:hidden}
    fieldset{padding:0.35em 0.625em 0.75em;margin:0 2px;border:1px solid #c0c0c0}
    address,caption,cite,code,dfn,em,th,var{font-style:normal;font-weight:400}
    area{outline:none;blr:expression(this.onFocus=this.blur())}
    [hidden],template{display:none}
    abbr[title]{border-bottom:1px dotted}
    dfn{font-style:italic}
    mark{color:#000;background:#ff0}
    small{font-size:80%}
    figure{margin:1em 40px}
    pre{overflow:auto}
    code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}
    /*通用属性*/
    
    /*清除浮动*/
    .clearfix{*zoom:1;} /*解决ie6/7下面的浮动塌陷问题*/
    .clearfix:before,
    .clearfix:after{display:table; line-height:0; content:" ";} /*display:table;解决其他下面的浮动塌陷问题,line-height是将添加的内容高度设为0;*/
    .clearfix:after{clear: both;}/*清楚浮动*/
    
    
    
    .head{text-align:center;color:#fff;position:relative;}
    .head nav{position:relative;background-color:rgba(255, 255, 255, 0.2);position:absolute;width:100%;z-index:2;}
    .head h1{text-align:center;line-height:40px;font-size:16px;}
    .head .nav_btn{position:absolute;top:0px;right:0px;width:40px;height:40px;background:url(../images/btnMenu.png) center center no-repeat;background-size:20px;} 
    .head .nav_logo{position:absolute;top:0px;left:10px;width:90px;height:40px;background-color:blue;background:url(../images/logo2.png) left center no-repeat;background-size:auto 25px;}
    .head .banner_bg1{background:url(../images/1.jpg) no-repeat;background-size:cover;}
    .head .banner_bg2{background:url(../images/2.jpg) no-repeat;background-size:cover;}
    .head .banner_bg3{background:url(../images/3.jpg) no-repeat;background-size:cover;}
    
    
    
    
    
    
    
    
    /*swiper样式*/
    .swiper-container {
        width: 100%;
        height: 100%;
    }
    .swiper-slide {
        background-position: center;
        background-size: cover;
    }
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  • 原文地址:https://www.cnblogs.com/LChenglong/p/7487650.html
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