时间输出

 /** 单独输出年月日时分秒等 */
        Calendar c = Calendar.getInstance();
        System.out.println("年: " + c.get(Calendar.YEAR));
        // 月份从0开始，加1校正
        System.out.println("月: " + (c.get(Calendar.MONTH) + 1) + "");
        System.out.println("日: " + c.get(Calendar.DAY_OF_MONTH));
        System.out.println("时: " + c.get(Calendar.HOUR_OF_DAY));
        System.out.println("分: " + c.get(Calendar.MINUTE));
        System.out.println("秒: " + c.get(Calendar.SECOND));
        System.out.println("当前时间毫秒数：" + c.getTimeInMillis());
        System.out.println("当前时间: " + c.getTime());