1. <?php
    3. $content->row(Card::make()->header("Html")->content(function (Content $content) {
    4. $html =<<<HTML
    5. <h1>你好，同学！！</h1>
    6. <h2>你好，同学！！</h2>
    7. <h3>你好，同学！！</h3>
    8. HTML;
    9.             $content->row(Html::make($html));
    11.         }));

    截屏2020-09-20 15.06.41.png