MarkDown使用小记

##显示图片形式

格式一

![image_name](image_url)

举个栗子

格式二

<img src="xx.jpg" width="50%" height="50%">
<img src="xx.jpg" width="100" height="200">

举个栗子

<img src="http://img0.bdstatic.com/img/image/2043d07892fc42f2350bebb36c4b72ce1409212020.jpg" width="50%" height="50%" alt="范爷"/>

居中显示

<div align=center>
<img src="http://img0.bdstatic.com/img/image/2043d07892fc42f2350bebb36c4b72ce1409212020.jpg" width="50%" height="50%" alt="范爷"/>
</div>