时间解析工具类

package net.sc.common.util;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;

/**
 * @Author Aaron
 * @CreateTime 2014-5-12上午11:39:54
 * @Version 1.0
 * @Desc 公用的时间处理的类
 */
public class TimeUtil {

	public static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

	public static synchronized String executeTimeNow(long startTime) {
		return TimeUtil.executeTime(System.currentTimeMillis() - startTime);
	}

	public static synchronized String executeTime(long spendTime) {
		long spendMilliSencond = spendTime % 1000;
		long second = spendTime / 1000;
		long spendSecond = second % 60;
		long minute = second / 60;
		long spendMinute = minute % 60;
		long hour = minute / 60;
		long spendHour = hour % 24;
		long day = hour / 24;
		return day + "天" + spendHour + "时" + spendMinute + "分" + spendSecond + "秒" + spendMilliSencond + "毫秒";
	}

	/**
	 * 获取当前日期 格式:yyyy-MM-dd
	 * 
	 * @return
	 */
	public static synchronized String getCurrentDate() {
		Date d = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		String dateNowStr = sdf.format(d);
		return dateNowStr;
	}

	public static synchronized List<String> getFiveYears() {
		List<String> yearList = new ArrayList<>();
		long nowTime = System.currentTimeMillis();
		GregorianCalendar gc = new GregorianCalendar();
		gc.setTimeInMillis(nowTime);
		gc.set(Calendar.DAY_OF_MONTH, 1);
		gc.set(Calendar.MONDAY, 0);
		String stopDate = sdf.format(gc.getTime());
		yearList.add(stopDate + ";" + sdf.format(new Date()));
		for (int i = 1; i <= 5; i++) {
			gc.set(Calendar.YEAR, gc.get(Calendar.YEAR) - 1);
			yearList.add(sdf.format(gc.getTime()) + ";" + stopDate);
			stopDate = sdf.format(gc.getTime());
		}
		return yearList;
	}

	public static void main(String args[]) {
		for (String year : getFiveYears()) {
			System.out.println(year.split(";")[0] +"   "+ year.split(";")[1]);
		}
	}

}

 

转载于:https://my.oschina.net/AaronDMC/blog/750799

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