layui-admin/single/res/views/component/code/index.html

<title>代码修饰</title>

<div class="layui-card layadmin-header">
  <div class="layui-breadcrumb" lay-filter="breadcrumb">
    <a lay-href="">主页</a>
    <a><cite>组件</cite></a>
    <a><cite>代码修饰</cite></a>
  </div>
</div>

<div class="layui-fluid">
  <div class="layui-row layui-col-space15">
    <div class="layui-col-md12">
      <div class="layui-card">
        <div class="layui-card-header">语法高亮</div>
        <div class="layui-card-body">
          <pre id="test" class="layui-test">
            <textarea class="layui-hide">
<div class="layui-btn-container">
<button type="button" class="layui-btn">默认按钮</button>
</div>

<p class="layui-padding-3">
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</p>

<div class="layui-btn-container">
<button class="layui-btn layui-btn-primary layui-border-green">主色按钮</button>
</div>
<script type="text/html">
<h3>{{= d.title }}</h3>
<ul>
{{#  layui.each(d.list, function(index, item){ }}
<li>
  <span>{{= item.modname }}</span>
  <span>{{= item.alias }}：</span>
  <span>{{= item.site || '' }}</span>
</li>
{{#  }); }}
<p>{{#  if(d.list.length === 0){ }}
无数据
{{#  } }}</p>
</ul>
</script>
<script>
layui.use(function () {
  var layer = layui.layer;
  const a = '1'
  function aa(a, b) {
    return '11'
  }
  layer.msg(layui.v)
})
</script>
            </textarea>
          </pre>
        </div>
      </div>


      <div class="layui-card">
        <div class="layui-card-header">默认修饰</div>
        <div class="layui-card-body">
          <pre class="layui-code">// 在里面放置任意的文本内容
test
test
          </pre>
        </div>
      </div>
      
      <div class="layui-card">
        <div class="layui-card-header">深色模式</div>
        <div class="layui-card-body">
          <pre class="layui-code" lay-options="{title: 'Custom Title', skin: 'dark'}">// 在里面放置任意的文本内容
test
test
          </pre>
        </div>
      </div>
      
      <div class="layui-card">
        <div class="layui-card-header">固定高度</div>
        <div class="layui-card-body">
          <pre class="layui-code" lay-options="{height: '160px'}">// 在里面放置任意的文本内容
test
test
test
code line
code line
code line
code line
code line
          </pre> 
        </div>
      </div>
      
      <div class="layui-card">
        <div class="layui-card-header">不显示行号</div>
        <div class="layui-card-body">
          <pre class="layui-code" lay-options="{ln: false}">// 不显示行号（注：v2.7.3 新增）
test
test
          </pre>
        </div>
      </div>
      
    </div>
  </div>
</div>

<script src="https://cdn.staticfile.org/highlight.js/11.8.0/highlight.min.js"></script>
<script src="https://cdn.staticfile.org/prism/1.29.0/prism.min.js"></script>
<script>
layui.use(['code', 'dropdown'], function(){
  var dropdown = layui.dropdown;
  var $ = layui.$;

  // return;

  // 高亮主题 css 库
  var themeData = $.map([
    // hljs 主题库
    'https://cdn.staticfile.org/highlight.js/11.8.0/styles/vs2015.min.css',
    'https://cdn.staticfile.org/highlight.js/11.8.0/styles/vs.min.css',
    'https://cdn.staticfile.org/highlight.js/11.8.0/styles/github-dark.min.css',
    'https://cdn.staticfile.org/highlight.js/11.8.0/styles/github.min.css',
    'https://cdn.staticfile.org/highlight.js/11.8.0/styles/base16/google-dark.min.css',
    'https://cdn.staticfile.org/highlight.js/11.8.0/styles/base16/google-light.min.css',
    'https://cdn.staticfile.org/highlight.js/11.8.0/styles/monokai-sublime.min.css',
    '-',
    // prism 主题库
    'https://cdn.staticfile.org/prism/1.29.0/themes/prism-dark.min.css',
    'https://cdn.staticfile.org/prism/1.29.0/themes/prism.min.css'
  ], function(v, index) {
    return {
      title: v,
      link: v,
      highlighter: v.indexOf('prism') === -1 ? 'hljs' : 'prism',
      type: v === '-' ? '-' : 'normal'
    };
  });

  var codeInst = layui.code({
    elem: '#test',
    preview: true,
    codeStyle: 'height: 510px;',
    previewStyle: 'word-wrap: break-word;',
    // theme: 'dark',
    // header: true,
    // wordWrap: false, // 是否自动换行
    /*
    lang: 'html',
    highlighter: "hljs",
    codeRender: function (code, opts) {
      layui.link(themeData[1].link, 'layui-code-theme');
      return hljs.highlight(code, {language: opts.lang}).value;
    },*/
    tools: [
      'full',
      {
        title: ['文字换行'],
        type: 'form',
        event: function(obj) {
          dropdown.render({
            elem: obj.elem,
            data: [{title: '自动换行', wordWrap: true}, {title: '不自动换行', wordWrap: false}],
            show: true,
            click: function(data, othis) {
              codeInst.reload({
                wordWrap: data.wordWrap
              });
            }
          });
        }
      },
      {
        title: ['切换高亮主题'],
        type: 'theme',
        event: function(obj) {
          dropdown.render({
            elem: obj.elem,
            data: themeData,
            show: true,
            click: function(data, othis) {
              $('#layuicss-layui-code-theme').remove();
              layui.link(data.link, 'layui-code-theme');

              // 若高亮器有变化，则重载
              if (data.highlighter !== codeInst.config.highlighter) {
                var highlighter = {
                  hljs: function(code, opts) {
                    return hljs.highlight(code, {
                      language: opts.lang
                    }).value;
                  },
                  prism: function(code, opts) {
                    return Prism.highlight(
                      code,
                      Prism.languages[opts.lang],
                      opts.lang
                    );
                  }
                };
                // 重载
                codeInst.reload({
                  highlighter: data.highlighter,
                  codeRender: function (code, opts) {
                    return highlighter[data.highlighter](code, opts);
                  }
                });
              }
            }
          });
        }
      }
    ]
  });

  // 仅重载 code
  layui.debounce(function() {
    codeInst.reload({
      lang: 'html',
      highlighter: "hljs",
      codeRender: function(code, opts) {
        layui.link(themeData[1].link, 'layui-code-theme');
        return hljs.highlight(code, {language: opts.lang}).value;
      }
    });
  }, 300)();


  // 通用实例，根据元素属性定制化参数
  layui.code({
    elem: '.layui-code'
  });
});
</script>