• js swipe 图片滑动控件实现 任意尺寸适用任意屏幕


    http://www.swiper.com.cn/
    http://www.idangero.us/swiper/demos/

    解决问题点:

    1.先得到图片真实的宽高, 根据真实宽高 等比例

    2.调用的控件 宽高的计算 其实是 获取  .swiper-container 样式的宽和高,所以此样式的宽高要设定好。

    宽100%   高 则根据 真实图片的 比例来 

     72     $(".swiper-container").css("height",$(".swiper-container").width()/imageRealWidth*imageRealHeight);                                                                         
    3.再采用cookie 技术 否则每次加载 页面都new Image 从性能角度考虑 更优
      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4 <meta charset="utf-8">
      5 <meta name="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
      6 <link rel="stylesheet" type="text/css" href="css/layout.css"/>
      7 <!-- Link Swiper's CSS -->                                                                                                                
      8 <link rel="stylesheet" href="css/swiper.min.css">                                 
      9     <!-- Demo styles -->                         
     10 <style>                                      
     11     html, body {                                 
     12         position: relative;                      
     13         height: 100%;                            
     14     }                                            
     15     body {                                       
     16         background: #eee;                        
     17         font-family: Helvetica Neue, Helvetica, A
     18         font-size: 14px;                         
     19         color:#000;                              
     20         margin: 0;                               
     21         padding: 0;                              
     22     }                                            
     23     .swiper-container {                          
     24         width: 100%;                                         
     25     }   
     26                                             
     27   .swiper-slide {                              
     28         text-align: center;                      
     29         font-size: 18px;                         
     30         background: #fff;                        
     31         /* Center slide text vertically */       
     32         display: -webkit-box;                    
     33         display: -ms-flexbox;                    
     34         display: -webkit-flex;                   
     35         display: flex;                           
     36         -webkit-box-pack: center;                
     37         -ms-flex-pack: center;                   
     38         -webkit-justify-content: center;         
     39         justify-content: center;                 
     40         -webkit-box-align: center;               
     41         -ms-flex-align: center;                  
     42         -webkit-align-items: center;             
     43         align-items: center;                     
     44                                                      
     45     }                                            
     46 </style>                                     
     47      
     48 <title>倍赚宝首页</title>
     49 <script type="text/javascript" src="js/jquery1.9.1.js""></script>
     50  <!-- Swiper JS -->                            
     51  <script src="js/swiper.js"></script>  
     52 
     53 <script type="text/javascript" src="js/iscroll.js"></script>
     54 <script type="text/javascript" src="js/hybrid-1.0.2.js"></script>
     55 <script type="text/javascript" src="js/plugins/WinnerFrame.js"></script>
     56 <script type="text/javascript">
     57     var leverage={
     58         leverageStock:function(){
     59             window.plugins.winnerFrame.redirectTrade();
     60         },
     61         leverageNew:function(){
     62             window.plugins.winnerFrame.redirectZijin();
     63         }}
     64     $(function(){    
     65            var imageRealWidth,imageRealHeight;
     66            imageRealWidth=localStorage['imageRealWidth'];
     67            imageRealHeight=localStorage["imageRealHeight"];
     68            function callSwiper(){
     69              //设置宽高
     70              //$(".swiper-container").css("width",localStorage['swipercontainerWidth']);
     71             //$(".swiper-container").css("height",localStorage['swipercontainerHeight']);
     72             $(".swiper-container").css("height",$(".swiper-container").width()/imageRealWidth*imageRealHeight);                                                                                                                                                                                                             
     73             //alert("w   h"+imageRealWidth+" "+imageRealHeight+", swiper-container w h "+$(".swiper-container").width()+"  "+$(".swiper-container").height());
     74             swiper = new Swiper('.swiper-container', {                                                                                                                                                                             
     75                 pagination: '.swiper-pagination',                                                                                                                                                                                         
     76                 paginationClickable: true,                                                                                                                                                                                                
     77                     spaceBetween: 10,                                                                                                                                                                                                         
     78                    centeredSlides: true,                                                                                                                                                                                                     
     79                 autoplay: 2500,                                                                                                                                                                                                           
     80                 autoplayDisableOnInteraction: false                                                                                                                                                                                       
     81                    });                                        
     82              }
     83            if(imageRealWidth==null||imageRealHeight==null){
     84             var image=new Image();
     85                var swiper;
     86             image.src="images/banner01.png";
     87             image.onload=function(){
     88                 imageRealWidth=this.width;
     89                 imageRealHeight=this.height;
     90                 localStorage['imageRealWidth']= imageRealWidth; // 存储 cookie 
     91                 localStorage['imageRealHeight']= imageRealHeight; // 存储 cookie
     92                 //存储 container控件宽高
     93                 localStorage['swipercontainerWidth']=$(".swiper-container").width();
     94                 localStorage['swipercontainerHeight']=$(".swiper-container").height();
     95                 callSwiper(); 
     96                 };        
     97              delete image;
     98              }else{
     99                  callSwiper();
    100              }
    101 
    102        })                                                                                                                                                                                                                        
    103 </script>
    104 
    105 </head>
    106 
    107 <body>
    108 <article class="header">
    109     <div class="logo"><img src="images/logo.png" width="100" height="34" alt="logo"/> </div>
    110 </article>
    111 <!--
    112 <div class="banner">
    113     <div class="flex-viewport">
    114         <!-- 改变 -webkit-transform: translate3d(-100px, 0px, 0px), 改变位置
    115         <ul class="slides" style="-webkit-transform: translate3d(0px, 0px, 0px);">
    116             <li style="left:0;"><a><img src="images/banner01.png"/></a></li>
    117             <li style="left:100%;"><a><img src="images/banner02.png"/></a></li>
    118             <li style="left:200%;"><a><img src="images/banner03.png"/></a></li>
    119         </ul>
    120     </div>
    121 </div>
    122 
    123 -->
    124     <!-- Swiper -->                                                                                                                              
    125     <div class="swiper-container">                                                                                                               
    126         <div class="swiper-wrapper">                                                                                                             
    127             <div class="swiper-slide" style="background:url('images/banner01.png');background-repeat:no-repeat;background-size:100%;"></div>   
    128             <div class="swiper-slide" style="background:url('images/banner02.png');background-repeat:no-repeat;background-size:100%;"></div>   
    129             <div class="swiper-slide" style="background:url('images/banner03.png');background-repeat:no-repeat;background-size:100%;"></div>   
    130         </div>                                                                                                                                   
    131         <!-- Add Pagination -->                                                                                                                  
    132         <div class="swiper-pagination"></div>                                                                                                    
    133                                                                                                                                                  
    134     </div>                                                                                                                                       
    135 
    136 <article class="content am-grid">
    137     <div class="clearfix">
    138         <div class="blockButton blockButtoncg" onclick="leverage.leverageStock()">leverageStock</div>
    139         <div class="blockButton blockButtondx" onclick="leverage.leverageNew()">leverageNew</div>
    140     </div>
    141     <p class="whytitle clearfix">
    142         <span class="line"></span>
    143         <span class="title">why choose this</span>
    144         <span class="line"></span>
    145     </p>
    146     <aside class="reasons clearfix">
    147         <div class="circle ycircle am-grid-item">
    148             <div class="icon"></div>
    149             <div class="txt">the maximum 1.8</div>
    150         </div>
    151         <div class="circle rcircle am-grid-item">
    152             <div class="icon"></div>
    153 
    154             <div class="txt">above 2.5 w</div>
    155         </div>
    156         <div class="circle bcircle am-grid-item">
    157             <div class="icon"></div>
    158             <div class="txt">8 percentage</div>
    159         </div>
    160     </aside>
    161 </article>
    162 
    163 
    164 
    165 </body>
    166 </html>
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  • 原文地址:https://www.cnblogs.com/friends-wf/p/4582624.html
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