import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class TimeFormatUtil {
	public static String getInterval(Date createAt) {
		// 定义最终返回的结果字符串。
		String interval = null;

		long millisecond = new Date().getTime() - createAt.getTime();

		long second = millisecond / 1000;

		if (second <= 0) {
			second = 0;
		}
		//*--------------微博体（标准）
		if (second == 0) {
			interval = "刚刚";
		} else if (second < 30) {
			interval = second + "秒以前";
		} else if (second >= 30 && second < 60) {
			interval = "半分钟前";
		} else if (second >= 60 && second < 60 * 60) {//大于1分钟 小于1小时
			long minute = second / 60;
			interval = minute + "分钟前";
		} else if (second >= 60 * 60 && second < 60 * 60 * 24) {//大于1小时 小于24小时
			long hour = (second / 60) / 60;
			if (hour <= 3) {
				interval = hour + "小时前";
			} else {
				interval = "今天" + getFormatTime(createAt, "HH:mm");
			}
		} else if (second >= 60 * 60 * 24 && second <= 60 * 60 * 24 * 2) {//大于1D 小于2D
			interval = "昨天" + getFormatTime(createAt, "HH:mm");
		} else if (second >= 60 * 60 * 24 * 2 && second <= 60 * 60 * 24 * 7) {//大于2D小时 小于 7天
			long day = ((second / 60) / 60) / 24;
			interval = day + "天前";
		} else if ( second <= 60 * 60 * 24 * 365 && second >= 60 * 60 * 24 * 7) {//大于7天小于365天
			interval = getFormatTime(createAt, "MM-dd HH:mm");
		} else if (second >= 60 * 60 * 24 * 365) {//大于365天
			interval = getFormatTime(createAt, "yyyy-MM-dd HH:mm");
		} else {
			interval = "0";
		}
		return interval;
	}	
	public static String getFormatTime(Date date, String Sdf) {
		return (new SimpleDateFormat(Sdf)).format(date);
	}
	public static void main(String[] args) {
		try {
			System.out.println(getInterval(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse("2014-08-03 12:12:12")));
		} catch (ParseException e) {
			e.printStackTrace();
		}
	}
}