日期处理小工具


package com.hengtong.boxcode.utils.tool;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import com.boxcode.utils.exception.BizException;


/**
 * 日期处理
 * 
 * @author admin
 *
 */
public class DateUtils {
	/** 时间格式(yyyy-MM-dd) */
	public final static String DATE_PATTERN = "yyyy-MM-dd";
	/** 时间格式(yyyy-MM-dd HH:mm:ss) */
	public final static String DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
	/** 时间格式(MM-dd) */
	public final static String DATE_MD_PATTERN = "MMdd";
	/** 时间格式(yy-MM) */
	public final static String DATE_YM_PATTERN = "yyMM";
	/** 时间格式(yy) */
	public final static String DATE_YY_PATTERN = "yy";
	/** 时间格式(yyyy) */
	public final static String DATE_YYYY_PATTERN = "yyyy";
	/** 时间格式(HH:mm) */
	public final static String TIME_HM_PATTERN = "HH:mm";

	/**
	 * 日期格式化
	 * 
	 * @param date 日期,format需要格式化的格式
	 * @return 返回format格式日期
	 */
	public static String format(Date date,String format) {
		return format(date, format);
	}

	/**
	 * 日期格式化
	 * 
	 * @param date    日期
	 * @param pattern 格式,如:DateUtils.DATE_TIME_PATTERN
	 * @return 返回格式日期
	 */
	public static String format(Date date, String pattern) {
		if (date != null) {
			SimpleDateFormat df = new SimpleDateFormat(pattern);
			return df.format(date);
		}
		return null;
	}

	/**
	 * 字符串转换成日期
	 * 
	 * @param strDate 日期字符串
	 * @param pattern 日期的格式,如:DateUtils.DATE_TIME_PATTERN
	 */
	public static Date stringToDate(String strDate, String pattern) {
		if (strDate == null || "".endsWith(strDate)) {
			return null;
		}
		DateTimeFormatter fmt = DateTimeFormat.forPattern(pattern);
		return fmt.parseLocalDateTime(strDate).toDate();
	}

	/**
	 * 根据周数,获取开始日期、结束日期
	 * 
	 * @param week 周期 0本周,-1上周,-2上上周,1下周,2下下周
	 * @return 返回date[0]开始日期、date[1]结束日期
	 */
	public static Date[] getWeekStartAndEnd(int week) {
		DateTime dateTime = new DateTime();
		LocalDate date = new LocalDate(dateTime.plusWeeks(week));

		date = date.dayOfWeek().withMinimumValue();
		Date beginDate = date.toDate();
		Date endDate = date.plusDays(6).toDate();
		return new Date[] { beginDate, endDate };
	}

	/**
	 * 对日期的【秒】进行加/减
	 *
	 * @param date    日期
	 * @param seconds 秒数,负数为减
	 * @return 加/减几秒后的日期
	 */
	public static Date addDateSeconds(Date date, int seconds) {
		DateTime dateTime = new DateTime(date);
		return dateTime.plusSeconds(seconds).toDate();
	}

	/**
	 * 对日期的【分钟】进行加/减
	 *
	 * @param date    日期
	 * @param minutes 分钟数,负数为减
	 * @return 加/减几分钟后的日期
	 */
	public static Date addDateMinutes(Date date, int minutes) {
		DateTime dateTime = new DateTime(date);
		return dateTime.plusMinutes(minutes).toDate();
	}

	/**
	 * 对日期的【小时】进行加/减
	 *
	 * @param date  日期
	 * @param hours 小时数,负数为减
	 * @return 加/减几小时后的日期
	 */
	public static Date addDateHours(Date date, int hours) {
		DateTime dateTime = new DateTime(date);
		return dateTime.plusHours(hours).toDate();
	}

	/**
	 * 对日期的【天】进行加/减
	 *
	 * @param date 日期
	 * @param days 天数,负数为减
	 * @return 加/减几天后的日期
	 */
	public static Date addDateDays(Date date, int days) {
		DateTime dateTime = new DateTime(date);
		return dateTime.plusDays(days).toDate();
	}

	/**
	 * 对日期的【周】进行加/减
	 *
	 * @param date  日期
	 * @param weeks 周数,负数为减
	 * @return 加/减几周后的日期
	 */
	public static Date addDateWeeks(Date date, int weeks) {
		DateTime dateTime = new DateTime(date);
		return dateTime.plusWeeks(weeks).toDate();
	}

	/**
	 * 对日期的【月】进行加/减
	 *
	 * @param date   日期
	 * @param months 月数,负数为减
	 * @return 加/减几月后的日期
	 */
	public static Date addDateMonths(Date date, int months) {
		DateTime dateTime = new DateTime(date);
		return dateTime.plusMonths(months).toDate();
	}

	/**
	 * 对日期的【年】进行加/减
	 *
	 * @param date  日期
	 * @param years 年数,负数为减
	 * @return 加/减几年后的日期
	 */
	public static Date addDateYears(Date date, int years) {
		DateTime dateTime = new DateTime(date);
		return dateTime.plusYears(years).toDate();
	}

	public static Date getCurrStart(Date date) {
		String currYmd = format(date, DATE_PATTERN);
		return stringToDate(currYmd + " 00:00:00", DATE_TIME_PATTERN);
	}

	public static Date getCurrStart(String dateYmd) {
		return stringToDate(dateYmd + " 00:00:00", DATE_TIME_PATTERN);
	}

	public static Date getCurrEnd(Date date) {
		String currYmd = format(date, DATE_PATTERN);
		return stringToDate(currYmd + " 23:59:59", DATE_TIME_PATTERN);
	}

	public static Date getCurrEnd(String dateYmd) {
		return stringToDate(dateYmd + " 23:59:59", DATE_TIME_PATTERN);
	}
	
	/**
	 * 时间处理
	 * @param oldDate
	 * @return
	 */
	public static String dealDateFormat(String oldDate) {
	    Date date1 = null;
	    DateFormat df2 = null;
	    try {
	        oldDate= oldDate.replace("Z", " UTC");
	        DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS Z");
	        Date date = df.parse(oldDate);
	        SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
	        date1 = df1.parse(date.toString());
	        df2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	    } catch (ParseException e) {
	        e.printStackTrace();
	    }
	    return df2.format(date1);
	}
	/**
	 * 获取昨天时间
	 * @return
	 */
	public static String yesterdayDate() {
		DateFormat dateFormat=new SimpleDateFormat(DATE_PATTERN);
		Calendar calendar=Calendar.getInstance();
		calendar.set(Calendar.HOUR_OF_DAY,-24);
		return dateFormat.format(calendar.getTime());
	}
	/**
	 * 获取i天前时间
	 * @return
	 */
	public static String sevendayDate(int i) {
		DateFormat dateFormat=new SimpleDateFormat(DATE_PATTERN);
		Calendar calendar=Calendar.getInstance();
		calendar.set(Calendar.HOUR_OF_DAY,-24*i);
		return dateFormat.format(calendar.getTime());
	}
	
	/**
	 * 获取当天时间
	 * @return
	 */
	public static String todayDate() {
		DateFormat dateFormat=new SimpleDateFormat(DATE_PATTERN);
		Calendar calendar=Calendar.getInstance();
		calendar.set(Calendar.HOUR_OF_DAY,0);
		return dateFormat.format(calendar.getTime());
	}
	
	 public static void judgmentDate(String date1, String date2) { 
	        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-M-d HH:mm:ss"); 
	        Date start;
			try {
				start = sdf.parse(date1);
				Date end = sdf.parse(date2); 
				long cha = end.getTime() - start.getTime(); 
				if(cha<0){
					throw new BizException("查询时间不允许相同!");
		        }
		        double result = cha * 1.0 / (1000 * 60 * 60);
		        if(result<=24){ 
		        }else{ 
		        	throw new BizException("查询时间段不允许超过24小时!");
		        } 
			} catch (ParseException e) {
				e.printStackTrace();
			} 
	
	    }
	 
	 /**
	  * 时间处理
	  * @param oldDate
	  * @return
	  */
	public static String dealDateFormat2(String oldDate) {
	    Date date1 = null;
	    DateFormat df2 = null;
	    try {
	        oldDate= oldDate.replace("Z", " UTC");
	        DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS Z");
	        Date date = df.parse(oldDate);
	        SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
	        date1 = df1.parse(date.toString());
	        df2 = new SimpleDateFormat("yyyy-MM-dd");
	    } catch (ParseException e) {
	        e.printStackTrace();
	    }
	    return df2.format(date1);
	}
}
package com.hengtong.boxcode.utils.exception;

public class BizException extends RuntimeException {

	/**
	 * serialVersionUID
	 */
	private static final long serialVersionUID = 5373675591332073697L;
	
	// 异常信息
	private String msg;
	private int code = 500;


	public BizException(String msg) {
		super(msg);
		this.msg = msg;
	}

	public BizException(String msg, Throwable e) {
		super(msg, e);
		this.msg = msg;
	}

	public BizException(String msg, int code) {
		super(msg);
		this.msg = msg;
		this.code = code;
	}

	public BizException(String msg, int code, Throwable e) {
		super(msg, e);
		this.msg = msg;
		this.code = code;
	}

	public String getMsg() {
		return msg;
	}

	public void setMsg(String msg) {
		this.msg = msg;
	}

	public int getCode() {
		return code;
	}

	public void setCode(int code) {
		this.code = code;
	}
}

 

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