经过Calendar 获取时间
通过Calendar 获取时间
@Test
public void get_Time_by_Calendar()
{
Calendar c=Calendar.getInstance();
System.out.println(c.get(Calendar.HOUR_OF_DAY));//时
System.out.println(c.get(Calendar.MINUTE));//分
System.out.println(c.get(Calendar.SECOND)); //秒
System.out.println(c.get(Calendar.DAY_OF_WEEK)); //周 周日为1
System.out.println(Calendar.SUNDAY);// 1
System.out.println(Calendar.SATURDAY);// 7
}