layui-流加载

来源：互联网发布：淘宝店最好的流量获取编辑：程序博客网时间：2024/06/06 20:34
layui-流加载
<!DOCTYPE html><html>    <head>        <meta charset="UTF-8">        <title>流加载</title>        <link rel="stylesheet" href="layui/css/layui.css" media="all">        <link rel="stylesheet" href="css/global.css" /><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>        <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">            <li>1</li>            <li>2</li>            <li>3</li>            <li>4</li>            <li>5</li>            <li>6</li>            <li>7</li>            <li>8</li>        </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">            <li>1</li>            <li>2</li>            <li>3</li>            <li>4</li>            <li>5</li>            <li>6</li>        </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="https://gw.alicdn.com/bao/uploaded/i2/701696736/TB2PNl5ahQa61Bjy0FhXXaalFXa_!!701696736.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i2/162734861/TB2V5rsX_gc61BjSZFkXXcTkFXa_!!162734861.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i4/69476562/TB2htq4XTka61BjSszfXXXN8pXa_!!69476562.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i1/180558071/TB2sy6jXMQc61BjSZFGXXa1DFXa_!!180558071.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i2/701696736/TB2PNl5ahQa61Bjy0FhXXaalFXa_!!701696736.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i3/285892163/TB2qu2HX9Zb61BjSZPfXXaU.pXa_!!285892163.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i2/704998060/TB2S.gAXTgc61BjSZFkXXcTkFXa_!!704998060.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i3/117202952/TB25lckX_AX61Bjy0FcXXaSlFXa_!!117202952.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i2/162734861/TB2qijoX9Zb61BjSZPfXXaU.pXa_!!162734861.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i3/96216586/TB2S7EfXHMc61BjSZFFXXaDLFXa_!!96216586.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i8/TB1jSSFNFXXXXcoXFXXYXGcGpXX_M2.SS2_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i2/162734861/TB2ylbsX37c61BjSZFKXXb6hFXa_!!162734861.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i2/117202952/TB2FdyZajUd61BjSZPcXXc6hXXa_!!117202952.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i4/777105914/TB2t.qbXZwb61Bjy0FfXXXvlpXa_!!777105914.jpg_400x400q90.jpg?t=1494291277528">            <img lay-src="https://gw.alicdn.com/bao/uploaded/i4/TB1XzupNFXXXXcpXXXXXXXXXXXX_!!0-item_pic.jpg_400x400q90.jpg?t=1494291277528">        </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>        <script src="layui/layui.js" charset="utf-8"></script>        <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="http://s17.mogucdn.com/p2/161011/upload_279h87jbc9l0hkl54djjjh42dc7i1_800x480.jpg?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>    </body></html>
这里写图片描述
官网流加载
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