# 插入代码到头部 </head> 之前 和 底部 </body> 之前
inject:
  head:
  bottom:
     - <script async src="//at.alicdn.com/t/c/font_3480193_h80no0g3hm4.js"></script>

/*阿里图标库*/
svg.icon {
   width: 1em; height: 1em;
   /* width和height定义图标的默认宽度和高度*/
   vertical-align: -0.15em;
   fill: currentColor;
   overflow: hidden;
   font-size: 20px;
}

'use strict';

function iconFont(args) {
  args = args.join(' ').split(',')
  let p0 = args[0]
  let p1 = args[1]?args[1]:1
  return `<svg class="icon" style="width:${p1}em; height:${p1}em" aria-hidden="true"><use xlink:href="#${p0}"></use></svg>`;
}

hexo.extend.tag.register('icon',iconFont);

{% icon [icon-xxxx],[font-size] %}