用Javascript写完整时间显示

<script type="text/javascript">
var d=new Date();
//alert(d.getFullYear());
//alert(d.getDate());
alert(d.getFullYear()+"年"+(d.getMonth()+1)+"月"+d.getDate()+"日"+d.getHours()+"时"+d.getMinutes()+"分"+d.getSeconds()+"秒");
</script>