JAVA编码（18）——获取系统时间Calendar

/**
	 * 每一天订单确定时间
	 * @return
	 */
	private String getSystemDate() {
	    Calendar c = Calendar.getInstance(); 
	    int year = c.get(Calendar.YEAR);
	    int month = c.get(Calendar.MONTH)+1;
	    int day = c.get(Calendar.DAY_OF_MONTH);
	    return (String.valueOf(year)+"-"+String.valueOf(month)+"-"+String.valueOf(day)+" "+"15:00:00");
	}