1.left
alignment
<img align="left" width="100" height="100" src="http://www.fillmurray.com/100/100">
效果:
2. right
alignment
<img align="right" width="100" height="100" src="http://www.fillmurray.com/100/100">
效果:
3. center
alignment
<p align="center">
<img width="460" height="300" src="http://www.fillmurray.com/460/300">
</p>
效果: