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layui表格中判断内容为视频或者图片并实现预览，具体实例代码如下： !DOCTYPE htmlhtmlhead titleLayui：数据表格table中预览图片、视频/title meta charset="utf-8"/ link rel="stylesheet" href="https://www.layui1.com/static/layui/dist/css/layui.css" media="all"/headbodytable id="demo" lay
layui表格中判断内容为视频或者图片并实现预览，具体实例代码如下：

<!DOCTYPE html>
<html>
<head>
    <title>Layui：数据表格table中预览图片、视频</title>
    <meta charset="utf-8"/>
    <link rel="stylesheet" href="https://www.layui1.com/static/layui/dist/css/layui.css" media="all">
</head>
<body>
<table id="demo" lay-filter="demo"></table>
<script type="text/html" id="urlTemplet">
    {{# if(d.type == 1) { }}
    <img src="{{d.url}}" alt="{{d.title}}" data-type="1" height="30" class="preview-all"/>
    {{# } else if (d.type == 2) { }}
    <video src={{d.url}} height="30" data-type="2" class="preview-all"></video>
    {{# } else { }}
    未知
    {{# } }}
</script>
<script type="text/html" id="typeTemplet">
    {{# if(d.type == 1) { }}
    <button class="layui-btn layui-btn-xs">图片</button>
    {{# } else if (d.type == 2) { }}
    <button class="layui-btn layui-btn-danger layui-btn-xs">视频</button>
    {{# } else { }}
    <button class="layui-btn layui-btn-primary layui-btn-xs">未知</button>
    {{# } }}
</script>
</body>
<script src="https://www.layui1.com/static/layui/dist/layui.js" charset="utf-8"></script>
<!--您的Layui代码start-->
<script type="text/javascript">
    layui.use(['laydate', 'laypage', 'layer', 'table', 'carousel', 'upload', 'element', 'form'], function () {
        var $ = layui.$
            , laydate = layui.laydate //日期
            , laypage = layui.laypage //分页
            , layer = layui.layer //弹层
            , table = layui.table //表格
            , carousel = layui.carousel //轮播
            , upload = layui.upload //上传
            , form = layui.form //表单
            , element = layui.element; //元素操作 等等...

        /*layer弹出一个示例*/
        // layer.msg('Hello World');

        //数据表格实例
        let userTable = table.render({
            elem: '#demo'
            // ,width: 312
            // ,url: '/static/json/table/user.json' //数据接口
            , data: getData()
            , cols: [[ //表头
                {field: 'id', title: 'ID', fixed: 'left', width: 100}
                , {field: 'username', title: '用户名'}
                , {field: 'url', title: '图片/视频', templet: '#urlTemplet'}
                , {field: 'sorts', title: '排序'}
                , {field: 'type', title: '类型', align: 'center', templet: '#typeTemplet'}
            ]]
            , page: true //开启分页
            , limit: 6 //默认每页记录数
            , limits: [3, 6, 9] //可选每页记录数
        });
        //监听点击方法
        $(document).on('click', '.preview-all', function (data) {
            // var obj = data.target.dataset;
            let clickObject = data.target; //点击的对象
            let url = clickObject.src; //图片、视频 地址
            let type = $(clickObject).data('type'); //点击的类型：1-图片，2-视频；3-未知
            if (type == 1) {
                previewPicture(url);
            } else if (type == 2) {
                previewVideo(url);
            }
        });
        //图片预览，传url
        function previewPicture(url) {
            layer.photos({
                photos: {
                    "title": '预览图',
                    "id": 222,
                    "start": 0,
                    "data": [{
                        "src": url
                    }]
                }
                // ,closeBtn: 1 //是否显示关闭按钮
            });
        }
        //视频预览，传url,width,height
        function previewVideo(url, width, height) {
            width = width ? width : '65%';
            height = height ? height : '65%';
            let content = '<video width="100%" height="90%"  controls="controls" autobuffer="autobuffer"  autoplay="autoplay" loop="loop">' +
                '<source src="' + url + '" type="video/mp4"></source></video>';
            layer.open({
                type: 1,
                maxmin: true, //打开放大缩小按钮
                title: '视频播放',
                area: [width, height],
                content: content,
            });
        }
        //文件预览
        function previewFile(url) {
            window.location.href = url;
        }
        //模拟返回表单中的数据
        function getData() {
            let data = [
                {
                    "id": 10000,
                    "username": "user-0",
                    type: 1,
                    sorts: 1,
                    url: 'https://profile-avatar.csdnimg.cn/8f386c41df8f4dcd8a5b8e00fb8ffd87_qq_36025814.jpg!3'
                },
                {
                    "id": 10001,
                    "username": "user-1",
                    type: 1,
                    sorts: 1,
                    url: 'https://csdnimg.cn/medal/51_create.png',
                },
                {
                    "id": 10002,
                    "username": "user-2",
                    type: 3,
                    sorts: 2,
                    url: ''
                },
                {
                    "id": 10003,
                    "username": "user-3",
                    type: 1,
                    sorts: 3,
                    url: 'https://img0.baidu.com/it/u=1546227440,2897989905&fm=253&fmt=auto&app=138&f=JPEG?w=889&h=500'
                },
                {
                    "id": 10004,
                    "username": "user-4",
                    type: 2,
                    sorts: 1,
                  url: 'https://vd2.bdstatic.com/mda-ngd42cykdpyqxnjd/720p/h264/1657767198646938123/mda-ngd42cykdpyqxnjd.mp4?v_from_s=hkapp-haokan-nanjing&auth_key=1658114325-0-0-56a7e35d692939d6d0ee1d39e7e8657c&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=2925113439&vid=10700712952852671679&abtest=103525_2&klogid=2925113439'
                },
                {
                    "id": 10005,
                    "username": "user-5",
                    type: 2,
                    sorts: 4,
                    rec: 0,
                    url: 'https://vd2.bdstatic.com/mda-ngd42cykdpyqxnjd/720p/h264/1657767198646938123/mda-ngd42cykdpyqxnjd.mp4?v_from_s=hkapp-haokan-nanjing&auth_key=1658114325-0-0-56a7e35d692939d6d0ee1d39e7e8657c&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=2925113439&vid=10700712952852671679&abtest=103525_2&klogid=2925113439'
                },
                {
                    "id": 10006,
                    "username": "user-6",
                    type: 1,
                    sorts: 5,
                    url: 'https://profile-avatar.csdnimg.cn/8f386c41df8f4dcd8a5b8e00fb8ffd87_qq_36025814.jpg!3'
                },
                {
                    "id": 10007,
                    "username": "user-7",
                    type: 1,
                    sorts: 1,
                    url: 'https://img0.baidu.com/it/u=2521851051,2189866243&fm=253&fmt=auto&app=138&f=JPEG?w=889&h=500'
                },
                {
                    "id": 10008,
                    "username": "user-8",
                    type: 1,
                    sorts: 7,
                    url: 'https://profile-avatar.csdnimg.cn/8f386c41df8f4dcd8a5b8e00fb8ffd87_qq_36025814.jpg!3'
                },
                {
                    "id": 10009,
                    "username": "user-9",
                    type: 1,
                    sorts: 1,
                    url: 'https://profile-avatar.csdnimg.cn/8f386c41df8f4dcd8a5b8e00fb8ffd87_qq_36025814.jpg!3'
                }
            ];

            return data;
        }
    });
</script>
</html>
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