如何让程序检测你的按键，实现WEB热键功能呢？
如何让程序检测你的按键，实现WEB热键功能呢？ 以下是代码：
<html><head><script language='javascript'><!--function issueCommand(x){ if (document.layers) { if (x.which==99||x.which==67) window.close(); else if (event.keyCode==112||event.keyCode==80) self.print(); else if (event.keyCode==110||event.keyCode==78) alert("Sorry, this is the only song in the List"); } else if (document.all){ if (event.keyCode==99||event.keyCode==67) window.close(); else if (event.keyCode==112||event.keyCode==80) self.print(); else if (event.keyCode==110||event.keyCode==78) alert("Sorry, this is the only song in the List"); }}//--></script></head><body><script language='javascript'><!--if (document.layers) document.captureEvents(Event.KEYPRESS);document.onkeypress=issueCommand--></script><font size=6><u>P</u>ress P</font><p><font size=6><u>N</u>ext One</font><p><font size=6><u>C</u>lose Window</font><p></body></html>
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