<body>
<object id="min" type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="command" value="minimize">
</object>
<button onclick="min.click()"><font face="webdings">0</font></button>
<object id="max" type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="command" value="maximize">
</object>
<button onclick="max.click()"><font face="webdings">1</font></button>
<object id="clo" type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<param name="command" value="close">
</object>
<button onclick="clo.click()"><font face="webdings">r</font></button>
</body>
来源：https://www.cnblogs.com/Microblue/archive/2009/09/14/2406801.html