分享链接 http://yikun.github.io/2016/06/09/%E4%B8%80%E8%87%B4%E6%80%A7%E5%93%88%E5%B8%8C%E7%AE%97%E6%B3%95%E7%9A%84%E7%90%86%E8%A7%A3%E4%B8%8E%E5%AE%9E%E8%B7%B5/
`单行代码`
