moxunpw
/
layui_toolnb


			
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>镜像站@流加载 - 在线演示 - Layui</title>
<meta name="renderer" content="webkit">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <meta name="apple-mobile-web-app-status-bar-style" content="black"> 
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="format-detection" content="telephone=no">
  <script>
  ;!function(){self!==parent&&(location.href="http://www.baidu.com/")}();
  </script>
  <link rel="stylesheet" href="/public/layui/dist/css/layui.css" tppabs="http://res.layui.com/layui/dist/css/layui.css?t=1632428048260"  media="all">
  <link rel="stylesheet" href="/public/static/css/global.css" tppabs="http://res.layui.com/static/css/global.css?t=1632428048260-19" media="all">
<style>
.flow-default{width: 600px; height: 400px; overflow: auto; font-size: 0;}
.flow-default li{display: inline-block; margin: 0 5px; font-size: 14px; width: 48%;  margin-bottom: 10px; height: 100px; line-height: 100px; text-align: center; background-color: #eee;}
.flow-default img{width: 100%; height: 100%;}
.site-demo-flow{width: 600px; height: 300px; overflow: auto; text-align: center;}
.site-demo-flow img{width: 40%; height: 200px; margin: 0 2px 5px 0; border: none;}
</style>
</head>
<body>
<div class="layui-layout layui-layout-admin">
  

<div class="layui-header header header-demo" autumn>
  <div class="layui-fluid">
    <a class="logo" href="../index.html" tppabs="http://www.layui.com/">
      <img src="/public/static/images/layui/logo.png" tppabs="http://res.layui.com/static/images/layui/logo.png" alt="layui">
    </a>
    <div class="layui-form layui-hide-xs component" lay-filter="LAY-site-header-component"></div>
    <div class="layui-hide-xs site-notice"></div>
    
    <ul class="layui-nav" id="LAY_NAV_TOP">
      <li class="layui-nav-item ">
        <a href="../doc/index.html" tppabs="http://www.layui.com/doc/">文档</a>
      </li>
      <li class="layui-nav-item layui-this">
        <a href="index.html" tppabs="http://www.layui.com/demo/">示例</a>
      </li>
      
      <li class="layui-nav-item">
        <a href="javascript:;">
          <!--<span class="layui-badge-dot" style="left:0; right: auto; margin: -4px 0 0 5px;"></span>--> 
          周边
        </a>
        <dl class="layui-nav-child layui-nav-child-c">  
          <dd class="layui-hide-sm layui-show-xs" lay-unselect>
            <a href="https://gitee.com/sentsin/layui/issues" target="_blank" rel="nofollow">问题反馈</a>
            <hr>
          </dd>
          
          <dd lay-unselect><a href="../alone.html" tppabs="http://www.layui.com/alone.html" target="_blank" lay-unselect>独立组件</a></dd>
          <dd lay-unselect><a href="../../fly.layui.com/extend/index.html" target="_blank">扩展组件</a></dd>
        </dl>
      </li>
      
      <li class="layui-nav-item layui-hide-xs">
        <a href="http://gitee.com/sentsin/layui/issues" target="_blank" rel="nofollow">反馈</a>
      </li>
    </ul>
  </div>
</div>
 
<!-- 让IE8/9支持媒体查询，从而兼容栅格 -->
<!--[if lt IE 9]>
  <script src="../../other/html5shiv/r29/html5.min.js" tppabs="https://cdn.staticfile.org/html5shiv/r29/html5.min.js"></script>
  <script src="../../other/respond.js/1.4.2/respond.min.js" tppabs="https://cdn.staticfile.org/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
 
  <div class="layui-side layui-bg-black">
    <div class="layui-side-scroll">
      
<ul class="layui-nav layui-nav-tree site-demo-nav">
  
  <li class="layui-nav-item layui-nav-itemed">
    <a class="javascript:;" href="javascript:;">演示</a>
    <dl class="layui-nav-child">
      <dd>
        <a href="index.html" tppabs="http://www.layui.com/demo/">调试预览</a>
      </dd>
    </dl>
  </li>
  
  <li class="layui-nav-item layui-nav-itemed">
    <a class="javascript:;" href="javascript:;">布局</a>
    <dl class="layui-nav-child">
      <dd class="">
        <a href="grid.html" tppabs="http://www.layui.com/demo/grid.html">栅格</a>
      </dd>
      <dd class="">
        <a href="admin.html" tppabs="http://www.layui.com/demo/admin.html">框架</a>
      </dd>
    </dl>
  </li>
  
  <li class="layui-nav-item layui-nav-itemed">
    <a class="javascript:;" href="javascript:;">基本元素</a>
    <dl class="layui-nav-child">
      <dd class="">
        <a href="button.html" tppabs="http://www.layui.com/demo/button.html">按钮</a>
      </dd>
      <dd class="">
        <a href="form.html" tppabs="http://www.layui.com/demo/form.html">表单</a>
      </dd>
      <dd class="">
        <a href="nav.html" tppabs="http://www.layui.com/demo/nav.html">导航 / 面包屑</a>
      </dd>
      <dd class="">
        <a href="menu.html" tppabs="http://www.layui.com/demo/menu.html">基础菜单</a>
      </dd>
      <dd class="">
        <a href="tab.html" tppabs="http://www.layui.com/demo/tab.html">选项卡</a>
      </dd>
      <dd class="">
        <a href="progress.html" tppabs="http://www.layui.com/demo/progress.html">进度条</a>
      </dd>
      <dd class="">
        <a href="panel.html" tppabs="http://www.layui.com/demo/panel.html">面板</a>
      </dd>
      <dd class="">
        <a href="badge.html" tppabs="http://www.layui.com/demo/badge.html">徽章</a>
      </dd>
      <dd class="">
        <a href="timeline.html" tppabs="http://www.layui.com/demo/timeline.html">时间线</a>
      </dd>
      <dd class="">
        <a href="table-element.html" tppabs="http://www.layui.com/demo/table-element.html">静态表格</a>
      </dd>
      <dd class="">
        <a href="anim.html" tppabs="http://www.layui.com/demo/anim.html">动画</a>
      </dd>
      <dd class="">
        <a href="auxiliar.html" tppabs="http://www.layui.com/demo/auxiliar.html">辅助元素</a>
      </dd>
    </dl>
  </li>
  
  <li class="layui-nav-item layui-nav-itemed">
    <a class="javascript:;" href="javascript:;">组件示例</a>
    <dl class="layui-nav-child">
      <dd class="">
        <a href="layer.html" tppabs="http://www.layui.com/demo/layer.html">
          弹出层
        </a>
      </dd>
      <dd class="">
        <a href="laydate.html" tppabs="http://www.layui.com/demo/laydate.html">
          日期与时间选择
        </a>
      </dd>
      <dd class="">
        <a href="table.html" tppabs="http://www.layui.com/demo/table.html">
          数据表格
        </a>
      </dd>
       <dd class="">
        <a href="laypage.html" tppabs="http://www.layui.com/demo/laypage.html">
          分页
        </a>
      </dd>
      <dd class="">
        <a href="dropdown.html" tppabs="http://www.layui.com/demo/dropdown.html">
          下拉菜单
        </a>
      </dd>
      <dd class="">
        <a href="upload.html" tppabs="http://www.layui.com/demo/upload.html">
          文件上传
        </a>
      </dd>  
      <dd class="">
        <a href="transfer.html" tppabs="http://www.layui.com/demo/transfer.html">
          穿梭框
        </a>
      </dd>
      
       <dd class="">
        <a href="tree.html" tppabs="http://www.layui.com/demo/tree.html">
          树形组件
        </a>
      </dd>
      <dd class="">
        <a href="colorpicker.html" tppabs="http://www.layui.com/demo/colorpicker.html">
          颜色选择器
        </a>
      </dd>
      <dd class="">
        <a href="slider.html" tppabs="http://www.layui.com/demo/slider.html">
          滑块
        </a>
      </dd>
      <dd class="">
        <a href="rate.html" tppabs="http://www.layui.com/demo/rate.html">
          评分
        </a>
      </dd>
      <dd class="">
        <a href="carousel.html" tppabs="http://www.layui.com/demo/carousel.html">
          轮播
        </a>
      </dd>
      <dd class="">
        <a href="laytpl.html" tppabs="http://www.layui.com/demo/laytpl.html">
          模板引擎
        </a>
      </dd>
      <dd class="">
        <a href="layedit.html" tppabs="http://www.layui.com/demo/layedit.html">
          富文本编辑器
        </a>
      </dd>
      <dd class="layui-this">
        <a href="flow.html" tppabs="http://www.layui.com/demo/flow.html">
          流加载
        </a>
      </dd>
      <dd class="">
        <a href="util.html" tppabs="http://www.layui.com/demo/util.html">
          工具模块
        </a>
      </dd>
      <dd class="">
        <a href="code.html" tppabs="http://www.layui.com/demo/code.html">
          文本行修饰
        </a>
      </dd>
    </dl>
  </li>
  
  <li class="layui-nav-item" style="height: 30px; text-align: center"></li>
</ul>

    </div>
  </div>
  <div class="layui-tab layui-tab-brief" lay-filter="demoTitle">
    <ul class="layui-tab-title site-demo-title">
      <li class="layui-this">预览</li>
      <li>查看代码</li>
      <li>帮助</li>
    </ul>
    <div class="layui-body layui-tab-content site-demo site-demo-body">
    
    
      <div class="layui-tab-item layui-show">
        <div class="layui-main">
          <div id="LAY_preview">
            
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 20px;">
  <legend>信息流 - 滚动加载</legend>
</fieldset>
 
<ul class="flow-default" id="LAY_demo1"></ul>
 
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 50px;">
  <legend>信息流 - 手工加载</legend>
</fieldset>
 
<ul class="flow-default" style="height: 300px;" id="LAY_demo2"></ul>
 
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 50px;">
  <legend>图片懒加载</legend>
</fieldset>
<div class="site-demo-flow" id="LAY_demo3">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
  <img lay-src="/public/upload/2017_3/168_1488985841996_23077.png" tppabs="https://cdn.layui.com/upload/2017_3/168_1488985841996_23077.png">
</div>
 
<p style="margin-top: 20px;">
  无论滚动条上滑还是下滑，都只始终加载当前屏的图片（你可以快速拉动滚动条到中间区域，然后再往上滑动试试）
  <br>layui 的图片懒加载，除了对滚动条的性能进行了美好的优化，也对图片的「当前屏」进行了高效计算，无惧于任何规模庞大的图片数量！
</p>             
          </div>
          
<blockquote class="layui-elem-quote" style="margin-top: 30px;">
  更多我们未能呈现的示例，还有待您在阅读文档、以及不断使用的过程，去深入挖掘。
</blockquote>
<div style="margin: 15px 0 100px; padding-bottom: 100px;">

</div>
        </div>
      </div>
      
      
      <div class="layui-tab-item">
<textarea class="layui-border-box site-demo-text site-demo-code" id="LAY_democode" spellcheck="false" readonly>
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>镜像站@Layui</title>
  <meta name="renderer" content="webkit">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <link rel="stylesheet" href="/public/layui/dist/css/layui.css" tppabs="http://res.layui.com/layui/dist/css/layui.css"  media="all">
  <!-- 注意：如果你直接复制所有代码到本地，上述css路径需要改成你本地的 -->
</head>
</textarea>
      </div>
      
      
      <div class="layui-tab-item">
        <div class="layui-main">
          <p></p>
          
          
          <fieldset class="layui-elem-field layui-field-title" style="margin-top: 50px;">
            <legend>相关</legend>
          </fieldset>
          <a class="layui-btn layui-btn-normal" href="../doc/modules/flow.html" tppabs="http://www.layui.com/doc/modules/flow.html" target="_blank">流加载文档</a>
        </div>
      </div>
      
        
    </div>
  </div>
  
<div class="layui-footer footer footer-demo">
    <p>
      Copyright &copy; 2021 <a href="../index.html" tppabs="http://www.layui.com/">「本站仅为 layui 文档保留的镜像站点，与官方无关」</a> MIT Licensed</p>
    <p>
      <a href="../about/disclaimer.html" tppabs="http://www.layui.com/about/disclaimer.html" target="_blank">免责声明</a> 
      <a href="../about/relatedlinks.html" tppabs="http://www.layui.com/about/relatedlinks.html" target="_blank">友链</a>
      <a href="javascript:;"  site-event="weixinmp">公众号</a>
      
      
    </p>
    <div class="site-union">
      <p class="site-union-desc">
        <span>
          
        </span>
      </p>

    </div>
</div>
<script>
window.global = {
  pageType: 'demo'
  ,preview: function(){
    var preview = document.getElementById('LAY_preview');
    return preview ? preview.innerHTML : '';
  }()
};
</script>

<div class="site-tree-mobile layui-hide">
  <i class="layui-icon layui-icon-spread-left"></i>
</div>
<div class="site-mobile-shade"></div>
 
<script src="/public/layui/dist/layui.js" tppabs="http://res.layui.com/layui/dist/layui.js?t=1632428048260" charset="utf-8"></script>
<script>
layui.config({
  base: '/public/static/lay/modules/layui/'
  ,version: '1632428048260'
}).use('global');
</script>
 

</div>
<div id="LAY_democodejs">
<script>
layui.use('flow', function(){
  var flow = layui.flow;
 
  flow.load({
    elem: '#LAY_demo1' //流加载容器
    ,scrollElem: '#LAY_demo1' //滚动条所在元素，一般不用填，此处只是演示需要。
    ,done: function(page, next){ //执行下一页的回调
      
      //模拟数据插入
      setTimeout(function(){
        var lis = [];
        for(var i = 0; i < 8; i++){
          lis.push('<li>'+ ( (page-1)*8 + i + 1 ) +'</li>')
        }
        
        //执行下一页渲染，第二参数为：满足“加载更多”的条件，即后面仍有分页
        //pages为Ajax返回的总页数，只有当前页小于总页数的情况下，才会继续出现加载更多
        next(lis.join(''), page < 10); //假设总页数为 10
      }, 500);
    }
  });
  
  flow.load({
    elem: '#LAY_demo2' //流加载容器
    ,scrollElem: '#LAY_demo2' //滚动条所在元素，一般不用填，此处只是演示需要。
    ,isAuto: false
    ,isLazyimg: true
    ,done: function(page, next){ //加载下一页
      //模拟插入
      setTimeout(function(){
        var lis = [];
        for(var i = 0; i < 6; i++){
          lis.push('<li><img lay-src="/public/upload/2017_3/168_1488985841996_23077.png?v='+ ( (page-1)*6 + i + 1 ) +'"></li>')
        }
        next(lis.join(''), page < 6); //假设总页数为 6
      }, 500);
    }
  });
  
  //按屏加载图片
  flow.lazyimg({
    elem: '#LAY_demo3 img'
    ,scrollElem: '#LAY_demo3' //一般不用设置，此处只是演示需要。
  });
  
});
</script>
</div>
</body>
</html>