calendarable.java

本系统用java实现网上商店的一般功能

package com.wxpn.tutorial.ec.util;

import java.util.Calendar;
import java.util.Date;

public class Calendarable {
	Calendar calendar = null;

	public Calendarable() {
		calendar = Calendar.getInstance();
		Date trialTime = new Date();
		calendar.setTime(trialTime);
	}

	public int getYear() {
		return calendar.get(Calendar.YEAR);
	}

	public String getMonth() {
		int m = getMonthInt();
		String[] months = new String[] { "1", "2", "3", "4", "5", "6", "7",
				"8", "9", "10", "11", "12" };
		if (m > 12)
			return "Unknown to Man";

		return months[m - 1];

	}

	public String getDay() {
		int x = getDayOfWeek();
		String[] days = new String[] { "一", "二", "三", "四", "五", "六", "日" };

		if (x > 7)
			return "Unknown to Man";

		return days[x - 1];

	}

	/**
	 * @return
	 */
	public int getMonthInt() {
		return 1 + calendar.get(Calendar.MONTH);
	}

	public String getDate() {
		return getMonthInt() + "/" + getDayOfMonth() + "/" + getYear();

	}

	public String getTime() {
		return getHour() + ":" + getMinute() + ":" + getSecond();
	}

	public int getDayOfMonth() {
		return calendar.get(Calendar.DAY_OF_MONTH);
	}

	public int getDayOfYear() {
		return calendar.get(Calendar.DAY_OF_YEAR);
	}

	public int getWeekOfYear() {
		return calendar.get(Calendar.WEEK_OF_YEAR);
	}

	public int getWeekOfMonth() {
		return calendar.get(Calendar.WEEK_OF_MONTH);
	}

	public int getDayOfWeek() {
		return calendar.get(Calendar.DAY_OF_WEEK) - 1;
	}

	public int getHour() {
		return calendar.get(Calendar.HOUR_OF_DAY);
	}

	public int getMinute() {
		return calendar.get(Calendar.MINUTE);
	}

	public int getSecond() {
		return calendar.get(Calendar.SECOND);
	}

	public static void main(String args[]) {
		Calendarable db = new Calendarable();
		p("date: " + db.getDayOfMonth());
		p("year: " + db.getYear());
		p("month: " + db.getMonth());
		p("time: " + db.getTime());
		p("date: " + db.getDate());
		p("Day: " + db.getDay());
		p("DayOfYear: " + db.getDayOfYear());
		p("WeekOfYear: " + db.getWeekOfYear());
		p("era: " + db.getEra());
		p("ampm: " + db.getAMPM());
		p("DST: " + db.getDSTOffset());
		p("ZONE Offset: " + db.getZoneOffset());
		p("TIMEZONE: " + db.getUSTimeZone());
	}

	private static void p(String x) {
		System.out.println(x);
	}

	public int getEra() {
		return calendar.get(Calendar.ERA);
	}

	public String getUSTimeZone() {
		String[] zones = new String[] { "Hawaii", "Alaskan", "Pacific",
				"Mountain", "Central", "Eastern" };

		return zones[10 + getZoneOffset()];
	}

	public int getZoneOffset() {
		return calendar.get(Calendar.ZONE_OFFSET) / (60 * 60 * 1000);
	}

	public int getDSTOffset() {
		return calendar.get(Calendar.DST_OFFSET) / (60 * 60 * 1000);
	}

	public int getAMPM() {
		return calendar.get(Calendar.AM_PM);
	}
}