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代码编辑器：
<p>Click on the sun or on one of the planets to download its content:</p> <img src="/static/i/img1.jpg" width="145" height="126" alt="Planets" usemap="#planetmap"> <map name="planetmap"> <area shape="rect" coords="0,0,82,126" alt="Sun" href="information_about_the_sun.html" download="sun"> <area shape="circle" coords="90,58,3" alt="Mercury" href="merglobe.gif" download="mercury"> <area shape="circle" coords="124,58,8" alt="Venus" href="information_about_the_planet_venus.txt" download="venus"> </map> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果：