jsp中取得服务器时间并动态显示

<%

Calendar rightNow = Calendar.getInstance();

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm");

String sysdate = format.format(rightNow.getTime());

int week = rightNow.get(rightNow.DAY_OF_WEEK);

String weekary[] ={"月曜日","火曜日","水曜日","木曜日","金曜日","土曜日","日曜日"};

%>

<script language="javascript">

//从服务器上获取初始时间

var currentDate = new Date(<%=new java.util.Date().getTime()%>);

function run()

{

currentDate.setSeconds(currentDate.getSeconds()+1);

document.getElementById("dt").innerHTML =
currentDate.toLocaleString();

}

window.setInterval("run();", 1000);

</script>

<div id="dt">自动显示时间。。。。</div>