代码如下：
1
<script language="javascript" for="document" event="onkeydown">
2 if (event.keyCode == 13)
3
{
4
document.getElementById("btnShow").click();
5
}
6</script>
<script language="javascript" for="document" event="onkeydown">2
if (event.keyCode == 13)3
{
4
document.getElementById("btnShow").click();5
}6
</script>
