web_dist/public/static/printcss/test.css

@media print {
    @page {
        size: auto;
        margin: 20mm;
        padding: 5px !important;
        @bottom-right {
            content: "第 " counter(page) " 页 / 共 " counter(pages) " 页";
            height: 20px;
        }
        @top-center {
            content: "长沙泰和医院"
        }
    }

    .print-content {
        border: 1px solid #000;
    }
}