html jsp怎么获取时间,怎么在JSP页面中获取当前系统时间

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(HOUR——十二小时制;HOUR_OF_DAY——二十四小时制)

mm = c.get(Calendar.MINUTE); //分

2:

强烈推荐:

java.util.Date d = new

java.util.Date();

java.text.SimpleDateFormat dformat = new

java.text.SimpleDateFormat("yyyy-MM-dd");

String datetime = dformat.format(d);

System.out.println(datetime);

3:

import java.util.*;

import java.text.*;

Date now = new Date();

DateFormat defaultFormat = DateFormat.getDateInstance();

DateFormat shortFormat =

DateFormat.getDateInstance(DateFormat.SHORT);

DateFormat mediumFormat =

DateFormat.getDateInstance(DateFormat.MEDIUM);

DateFormat longFormat =

DateFormat.getDateInstance(DateFormat.LONG);

DateFormat fullFormat =

DateFormat.getDateInstance(DateFormat.FULL);

String defaultDate = defaultFormat.format(now);

String shortDate = shortFormat.format(now);

String mediumDate = mediumFormat.format(now);

String longDate = longFormat.format(now);

String fullDate = fullFormat.format(now);

System.out.println("(Default) Today :" + defaultDate);

System.out.println("(SHORT) Today : " + shortDate);

System.out.println("(MEDIUM) Today :" + mediumDate);

System.out.println("(LONG) Today : " + longDate);

System.out.println("(FULL) Today : " + fullDate);

4.