复制代码代码如下: <html> <head> <script language=javascript> function onEnterDown(){ if(window.event.keyCode == 13){ onButOk(); } } function onButOk(){ --按钮的事件; } </script> </head> <body onkeydown=onEnterDown();> <input id="ButOk" type="button" accesskey="" value="登录" onclick="onButOk()" /> </body> </html>