Framework7 延迟加载

17 Mar 2025 | 阅读 2 分钟

当用于大型多媒体文件时，延迟加载需要时间来加载图片、视频等。

示例

让我们举个例子来演示延迟加载的用法，它通过在 Framework7 中触发“lazy”事件来加载图像

<!DOCTYPE html>
<html>

   <head>
      <meta name = "viewport" content = "width = device-width, initial-scale = 1, 
         maximum-scale = 1, minimum-scale = 1, user-scalable = no, minimal-ui" />
      <meta name = "apple-mobile-web-app-capable" content = "yes" />
      <meta name = "apple-mobile-web-app-status-bar-style" content = "black" />
      <title>Lazy Loading</title>
      <link rel = "stylesheet" 
         href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.min.css" />
      <link rel = "stylesheet" 
         href = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.colors.min.css" />
   </head>

   <body>
      <div class = "views">
         <div class = "view view-main">
            <div class = "pages">
               <div data-page = "home" class = "page navbar-fixed">
                  
                  <div class = "navbar">
                     <div class = "navbar-inner">
                        <div class = "left"> </div>
                        <div class = "center">Lazy Loading</div>
                        <div class = "right"> </div>
                     </div>
                  </div>
                  
                  <div class = "page-content">
                     <div class = "swiper-container">
                        <div class = "swiper-wrapper">
                           
                           <div class = "swiper-slide">
                              <img data-src = "http://lorempixel.com/1600/1200/nature/1" class = "swiper-lazy">
                              <div class = "preloader"></div>
                           </div>
                           
                           <div class = "swiper-slide">
                              <img data-src = "http://lorempixel.com/1600/1200/nature/2" class = "swiper-lazy">
                              <div class = "preloader"></div>
                           </div>
                           
                           <div class = "swiper-slide">
                              <img data-src = "http://lorempixel.com/1600/1200/nature/3" class = "swiper-lazy">
                              <div class = "preloader"></div>
                           </div>
                           
                           <div class = "swiper-slide">
                              <img data-src = "http://lorempixel.com/1600/1200/nature/4" class = "swiper-lazy">
                              <div class = "preloader"></div>
                           </div>
                           
                           <div class = "swiper-slide">
                              <img data-src = "http://lorempixel.com/1600/1200/nature/5" class = "swiper-lazy">
                              <div class = "preloader"></div>
                           </div>
                        </div>
                        
                        <div class = "swiper-pagination color-white"></div>
                     </div>
                  </div>
                  
               </div>
            </div>
         </div>
      </div>
      
      <script type = "text/javascript" 
         src = "https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/js/framework7.min.js"></script>
         
      <style>
         .swiper-container {
            height:100%;
         }
         
         .swiper-slide {
            background:#000;
            position:relative;
            height:100%;
         }
         
         .swiper-slide img {
            position:absolute;
            left:50%;
            top:50%;
            max-width:100%;
            max-height:100%;
            width:auto;
            height:auto;
            -webkit-transform:translate(-50%,-50%);
            transform:translate(-50%,-50%);
         }
      </style>
      
      <script>
         var myApp = new Framework7();
         
         var mySwiper = new Swiper('.swiper-container', {
            preloadImages: false,
            lazyLoading: true,
            pagination: '.swiper-pagination'
         })
      </script>
   </body>

</html>

立即测试

下一主题Framework7 多 Swipers

Framework7 延迟加载

示例

联系信息

关注我们

教程

面试题

在线编译器

Python

Java

.Net Framework

AI, ML and Data Science

Cloud Technology

B.Tech and MCA

Web Technology

PHP

Software Testing

Technical Interview

Java Interview

Python

Web Interview

Database Interview

B.Tech / MCA

Important Interview

Software Testing Interview

Company Interviews

Online Compilers

Multiple Choice Questions

Framework7 教程

Framework7 表单

Framework7 选项卡

F7 Swiper 滑块

F7 图片浏览器

F7 选择器

F7 日历

F7 杂项

面试题

Framework7 延迟加载

示例

相关帖子

F7 默认 Swiper

F7 自定义控件

F7 Swiper 滑动器

F7 滑块之间的空间

F7 垂直 Swiper

F7 多个 Swiper

F7 嵌套 Swiper

订阅 Tpoint Tech

联系信息

关注我们

教程

面试题

在线编译器