jsp中显示当前系统时间

1、<%=(new   java.util.Date()).toLocaleString()%>
2、<script   language= "javascript ">
var   today=new   Date()
var   month=today.getMonth()+1
document.write(today.getYear()+ "年 "+month+ "月 "+today.getDate()+ "日 ")     
      </script>
3、Date   currentTime   =   new   Date();  
SimpleDateFormat   formatter   =   new   SimpleDateFormat( "yyyy-MM-dd ");
String   dateString   =   formatter.format(currentTime);
dataString   的格式就是2007-03-08这类型
4、<%
java.util.Date   now=new   java.util.Date();
out.println(now);
%>
5、import   java.util.*;
int   y,m,d,h,mm;
Calendar   c   =   Calendar.getInstance();
y   =   c.get(Calendar.YEAR); //年
m   =   c.get(Calendar.MONTH)   +   1; //月
d   =   c.get(Calendar.DAY_OF_MONTH); //日
h   =   c.get(Calendar.HOUR); //时
mm   =   c.get(Calendar.MINUTE); //分