Utils

一、map转json

public static <T> String mapToJson(Map<String, T> map) {    Gson gson = new Gson();    String jsonStr = gson.toJson(map);    return jsonStr;}

二、图片等比例压缩

private static BufferedOutputStream bos;  /** * 根据图片url下载到本地 * <p>Title: downLoadByUrl</p> * @param imgUrl 图片地址 * @param location 下载后保存的地址。如"C:\\" * @param imgName 下载后保存的名称。如"a.jpg" * @return Boolean true 成功；false 失败 */  public static Boolean downLoadByUrl(String imgUrl, String location, String imgName) {      try {          //图片的url          if (StringUtils.isEmpty(imgUrl) || StringUtils.isEmpty(location) || StringUtils.isEmpty(imgName)) {          return false;          }          //设置图片下载后的保存位置及图片名称          File file = new File(location, imgName);          InputStream inputStream = ImgUtils.getInputStreamByGet(imgUrl);          ImgUtils.saveData(inputStream, file);          return true;      } catch (Exception e) {          e.printStackTrace();          return false;      }  }  /** * 等比缩放图片(按高度或宽度) * <p>Title: equalRatioResizeImage</p> * @param srcImgPath 原始照片的磁盘位置 * @param distImgPath 目标照片的磁盘位置 * @param width 宽度(单位像素) 注意：和height只能填一个,都填写默认按宽度计算 * @param height 高度(单位像素) 注意：和width只能填一个,都填写默认按宽度计算 * @return Boolean true 成功；false 失败 */  public static Boolean equalRatioResizeImage (String srcImgPath, String distImgPath, int newWidth, int newHeight){        try {          //参数校验          if (StringUtils.isEmpty(srcImgPath) || StringUtils.isEmpty(distImgPath)) {              return false;          }          //获取图片原始尺寸          Image srcFile = ImageIO.read(new File(srcImgPath));           int w = srcFile.getWidth(null);              int h = srcFile.getHeight(null);              double bili;              if(newWidth>0){                  bili=newWidth/(double)w;                  newHeight = (int) (h*bili);              }else{                  if(newHeight>0){                      bili=newHeight/(double)h;                      newWidth = (int) (w*bili);                  }              }           return ImgUtils.resizeImage(srcImgPath, distImgPath, newWidth, newHeight);      } catch (Exception e) {          e.printStackTrace();          return false;      }  }    /** * 压缩图片(指定尺寸) * <p>Title: resizeImage</p> * @param srcImgPath 原始照片的磁盘位置 * @param distImgPath 目标照片的磁盘位置 * @param width 宽度(单位像素) * @param height 高度(单位像素) * @return Boolean true 成功；false 失败  */  public static Boolean resizeImage (String srcImgPath, String distImgPath, int width, int height){        try {          String subfix = "jpg";          subfix = srcImgPath.substring(srcImgPath.lastIndexOf(".")+1,srcImgPath.length());          File srcFile = new File(srcImgPath);            Image srcImg = ImageIO.read(srcFile);            BufferedImage buffImg = null;           if(subfix.equals("png")){              buffImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);          }else{              buffImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);          }          Graphics2D graphics = buffImg.createGraphics();          graphics.setBackground(Color.WHITE);          graphics.setColor(Color.WHITE);          graphics.fillRect(0, 0, width, height);          graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);          graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);          Image scaledInstance = srcImg.getScaledInstance(width, height, Image.SCALE_SMOOTH);          graphics.drawImage(scaledInstance, 0, 0, null);            ImageIO.write(buffImg, subfix, new File(distImgPath));           return true;      } catch (Exception e) {          e.printStackTrace();          return false;      }   }    /** * 通过get请求得到读取器响应数据的数据流 * <p>Title: getInputStreamByGet</p> * @throws IOException  * @throws MalformedURLException  */  private static InputStream getInputStreamByGet(String url) throws MalformedURLException, IOException {      HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();      conn.setReadTimeout(5000);      conn.setConnectTimeout(5000);      conn.setRequestMethod("GET");      if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {          InputStream inputStream = conn.getInputStream();          return inputStream;      }      return null;  }  /** * 将服务器响应的数据流存到本地文件 * <p>Title: saveData</p> * @throws IOException  */  private static void saveData(InputStream is, File file) throws IOException {      BufferedInputStream bis = new BufferedInputStream(is);      bos = new BufferedOutputStream(new FileOutputStream(file));      byte[] buffer = new byte[1024];      int len = -1;      while ((len = bis.read(buffer)) != -1) {          bos.write(buffer, 0, len);          bos.flush();      }  }

三、时间处理

private static Logger logger = Logger.getLogger(DateUtils.class);    /** "yyyy-MM-dd HH:mm:ss"格式类型 */    public final static String LONG_PATTERN = "yyyy-MM-dd HH:mm:ss";    /** "yyyy-MM-dd HH:mm"格式类型 */    public final static String MINUTE_PATTERN = "yyyy-MM-dd HH:mm";    /** "yyyyMMddHHmmss"格式类型 */    public final static String SHORT_PATTERN = "yyyyMMddHHmmss";    /** "yyyy-MM-dd"格式类型 */    public final static String PATTERN_THREE = "yyyy-MM-dd";    /** "yyyyMM"格式类型 */    public final static String PATTERN_FOUR = "yyyyMM";    /** "HH:mm:ss"格式类型 */    public final static String SHORTTIME_PATTERN = "HH:mm:ss";    /** 常见日期类型数组 */    public final static String[] normalDateFormatArray = new String[] {            "yyyy-MM-dd", "yyyy/MM/dd", "yyyyMMdd" };    /** 分钟类型 */    public static final int MINITE_TYPE = 0;    /** 小时类型 */    public static final int HOUR_TYPE = 1;    /** 日类型 */    public static final int DAY_TYPE = 2;    /** 月类型 */    public static final int MONTH_TYPE = 3;    /** 年类型 */    public static final int YEAR_TYPE = 4;    public static String formatTime(Date date) {        if (null == date) {            return "";        }        SimpleDateFormat sdf = new SimpleDateFormat(LONG_PATTERN);        return sdf.format(date);    }    public static String formatShortTime(Date date) {        if (null == date) {            return "";        }        SimpleDateFormat sdf = new SimpleDateFormat(SHORTTIME_PATTERN);        return sdf.format(date);    }    public static Date parseDate(String source) {        return parseDate(source, PATTERN_THREE);    }    public static Date parseDate(String source, String pattern) {        DateTimeFormatter fmt = DateTimeFormat.forPattern(pattern);        return fmt.parseLocalDateTime(source).toDate();    }    public static Date parseTime(String source) {        DateTimeFormatter fmt = DateTimeFormat.forPattern(LONG_PATTERN);        return fmt.parseLocalDateTime(source).toDate();    }    /**     * 日期类型字符串转换成日期     *      * @param strDate     *            日期的字符串     * @param pattern     *            日期的格式，如：yyyy/MM/dd yyyy-MM-dd yyyy-MM-dd HH:mm:ss.     */    public static Date stringToDate(String strDate, String pattern) {        if (strDate == null || strDate.trim().length() <= 0)            return null;        SimpleDateFormat sdf = new SimpleDateFormat(pattern);        try {            return sdf.parse(strDate);        } catch (ParseException e) {            logger.warn("Parse date error! strDate [" + strDate                    + "], pattern [" + pattern + "].", e);            return null;        }    }    /**     * 字符串，不指定格式的转换成日期.     *      * @param strDate     *            日期的字符串     * @return the date 日期类，如：yyyy/MM/dd yyyy-MM-dd yyyy-MM-dd HH:mm:ss.     */    public static Date stringToDate(String strDate) {        if (strDate == null || strDate.trim().length() <= 0)            return null;        for (String df : normalDateFormatArray) {            SimpleDateFormat sdf = new SimpleDateFormat(df);            try {                return sdf.parse(strDate);            } catch (ParseException e) {                continue;            }        }        logger.warn("Parse date error! strDate [" + strDate                + "], pattern [yyyy-MM-dd][yyyy/MM/dd][yyyyMMdd].");        return null;    }    /**     * 检验日期字符串，是否为"yyyy-MM-dd"格式     *      * @param strDate     *            日期字符串     * @return true 是     */    public static boolean checkDate(String strDate) {        if (strDate == null || strDate.length() == 0)            return true;        try {            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");            sdf.parse(strDate);        } catch (ParseException e) {            logger.info("Wrong strDate [" + strDate                    + "], pattern [yyyy-MM-dd].");            return false;        }        return true;    }    /**     * 日期类转换成指定日期格式的字符串     *      * @param date     *            日期     * @param pattern     *            日期格式     * @return the string 日期字符串     */    public static String dateToString(Date date, String pattern) {        if (date == null)            return null;        SimpleDateFormat sdf = new SimpleDateFormat(pattern);        return sdf.format(date);    }    /**     * 对日期的【秒】进行加     *      * @param date     *            日期 —— new Date()     * @param addSeconds     *            需要对【秒】进行加减的天数     * @return the date 增/减几秒后的日期     */    public static Date dateAddSeconds(Date date, int addSeconds) {        DateTime dateTime = new DateTime(date);        return dateTime.plusSeconds(addSeconds).toDate();    }    /**     * 对日期的【分】进行加     *      * @param date     *            日期 —— new Date()     * @param addMinutes     *            需要对【分】进行加减的天数     * @return the date 增/减几分后的日期     */    public static Date dateAddMinutes(Date date, int addMinutes) {        DateTime dateTime = new DateTime(date);        return dateTime.plusMinutes(addMinutes).toDate();    }    /**     * 对日期的【小时】进行加     *      * @param date     *            日期 —— new Date()     * @param addMinutes     *            需要对【小时】进行加减的天数     * @return the date 增/减几小时后的日期     */    public static Date dateAddHours(Date date, int addHours) {        DateTime dateTime = new DateTime(date);        return dateTime.plusHours(addHours).toDate();    }    /**     * 对日期的【日】进行加     *      * @param date     *            日期 —— new Date()     * @param addDays     *            需要对【日】进行加减的天数     * @return the date 增/减几天后的日期     */    public static Date dateAddDays(Date date, int addDays) {        DateTime dateTime = new DateTime(date);        return dateTime.plusDays(addDays).toDate();    }    /**     * 对日期的【月】进行加     *      * @param date     *            日期 —— new Date()     * @param addMonths     *            需要对【月】进行加减的天数。     * @return the date 增/减几【月】后的日期     */    public static Date dateAddMonths(Date date, int addMonths) {        if (date == null)            return null;        Calendar cal = Calendar.getInstance();        cal.setTime(date);        cal.add(Calendar.MONTH, addMonths);        return cal.getTime();    }    /**     * 对日期的【周】进行加     *      * @param date     *            日期 —— new Date()     * @param addWeeks     *            需要对【周】进行加减的天数。     * @return the date 增/减几【周】后的日期     */    public static Date dateAddWeeks(Date date, int addWeeks) {        if (date == null)            return null;        Calendar cal = Calendar.getInstance();        cal.setTime(date);        cal.add(Calendar.WEEK_OF_YEAR, addWeeks);        return cal.getTime();    }    /**     * 对日期的【年】进行加     *      * @param date     *            —— new Date()     * @param addYears     *            需要对【年】进行加减的天数。     * @return the date 增/减几【年】后的日期     */    public static Date dateAddYears(Date date, int addYears) {        if (date == null)            return null;        Calendar cal = Calendar.getInstance();        cal.setTime(date);        cal.add(Calendar.YEAR, addYears);        return cal.getTime();    }    /**     * 计算两个日期之间的间隔时间     *      * @param beginDate     *            起始日期     * @param endDate     *            结束日期     * @return the date length 间隔时间     */    public static int getDateLength(Date beginDate, Date endDate) {        int length = 0;        if (beginDate == null || endDate == null)            return length;        length = (int) ((endDate.getTime() - beginDate.getTime()) / (1000 * 60 * 60 * 24));        length++;        return length;    }    /**     * 获取某天的起始时间     *      * @param strDateSegment     *            字符串类型的日期     * @return the date begin 字符串类型的日期 + " 00:00:00"     */    public static String getDateBegin(String strDateSegment) {        if (strDateSegment == null || strDateSegment.length() <= 0)            return null;        return strDateSegment + " 00:00:00";    }    /**     * 获取某天的结束时间     *      * @param strDateSegment     *            字符串类型的日期     * @return the date end 字符串类型的日期 + " 23:59:59"     */    public static String getDateEnd(String strDateSegment) {        if (strDateSegment == null || strDateSegment.length() <= 0)            return null;        return strDateSegment + " 23:59:59";    }    /**     * 检查录入的日期格式（yyyyMMdd-yyyyMMdd或yyyyMMdd）.     *      * @param strDate     *            待检验的日期字符串     * @return true, if successful     */    public static boolean checkLongDatePattern(String strDate) {        String ps = "^\\d{4}\\d{1,2}\\d{1,2}-\\d{4}\\d{1,2}\\d{1,2}$|^\\d{4}\\d{1,2}\\d{1,2}$";        Pattern p = Pattern.compile(ps);        Matcher m = p.matcher(strDate);        if (!m.matches()) {            return false;        }        return true;    }    /**     * 检查录入的日期格式（yyyy-MM-dd）.     *      * @param strDate     *            待检验的日期字符串     * @return true, if successful     */    public static boolean checkDatePattern(String strDate) {        String ps = "^\\d{4}-\\d{1,2}-\\d{1,2}$";        Pattern p = Pattern.compile(ps);        Matcher m = p.matcher(strDate);        if (!m.matches()) {            return false;        }        return true;    }    /**     * 检查和格式化日期 param:strDate 如:2007-06-01--2007-12-01,     * 2007-06-18,20070601--20071201,20070718. return:HashMap     * 格式化以后的date对象：beginDate和endDate throws ParseException 输入的日期格式错误     *      * @param strDate     *            the str date     * @return the list     * @throws ParseException     *             输入的日期格式错误     */    public static List<Date> transformStrDateToListDate(String strDate)            throws ParseException {        List<Date> dateList = new ArrayList<Date>();        String[] tempStrDate = strDate.split(",");        for (int i = 0; i < tempStrDate.length; i++) {            // 将字符串格式化为“yyyy-MM-dd--yyyy-MM-dd”            Date tempDate = stringToDate(tempStrDate[i], "yyyy-MM-dd");            dateList.add(tempDate);        }        return dateList;    }    /**     * 检查和格式化日期 param:strDate     * 如:2007-06-01--2007-12-01,2007-06-18,20070601--20071201,20070718     * return:HashMap 格式化以后String型的日期：beginDate和endDate throws ParseException     * 输入的日期格式错误     *      * @param strDate     *            the str date     * @return the hash map     * @throws ParseException     *             he parse exception     */    public static HashMap<String, String> formatStrDateToDateMap(String strDate)            throws ParseException {        HashMap<String, String> dateMap = new HashMap<String, String>();        Date beginDate = null;        Date endDate = null;        if (strDate == null || strDate.trim().length() == 0)            return null;        if (strDate.indexOf("--") > 0) {            String[] tempDate = strDate.split("--");            if (tempDate.length == 2) {                if (tempDate[0].indexOf("-") > 0) {                    beginDate = stringToDateThrowsExe(tempDate[0], "yyyy-MM-dd");                } else {                    beginDate = stringToDateThrowsExe(tempDate[0], "yyyyMMdd");                }                if (tempDate[1].indexOf("-") > 0) {                    endDate = stringToDateThrowsExe(tempDate[1], "yyyy-MM-dd");                } else {                    endDate = stringToDateThrowsExe(tempDate[1], "yyyyMMdd");                }            } else if (tempDate.length == 1) {                if (tempDate[0].indexOf("-") > 0) {                    beginDate = stringToDateThrowsExe(tempDate[0], "yyyy-MM-dd");                    endDate = stringToDateThrowsExe(tempDate[0], "yyyy-MM-dd");                } else {                    beginDate = stringToDateThrowsExe(tempDate[0], "yyyyMMdd");                    endDate = stringToDateThrowsExe(tempDate[0], "yyyyMMdd");                }            }        } else {            if (strDate.indexOf("-") > 0) {                beginDate = stringToDateThrowsExe(strDate, "yyyy-MM-dd");                endDate = stringToDateThrowsExe(strDate, "yyyy-MM-dd");            } else {                beginDate = stringToDateThrowsExe(strDate, "yyyyMMdd");                endDate = stringToDateThrowsExe(strDate, "yyyyMMdd");            }        }        dateMap.put("beginDate", dateToString(beginDate, "yyyy-MM-dd"));        dateMap.put("endDate", dateToString(endDate, "yyyy-MM-dd"));        return dateMap;    }    /**     * String to date throws exe.     *      * @param strDate     *            the str date     * @param pattern     *            the pattern     * @return the java.util. date     * @throws ParseException     *             the parse exception     */    public static Date stringToDateThrowsExe(String strDate, String pattern)            throws ParseException {        if (strDate == null || strDate.trim().length() <= 0)            return null;        SimpleDateFormat sdf = new SimpleDateFormat(pattern);        return sdf.parse(strDate);    }    /**     * 检查日期的先后顺序 param:beginDate endDate return:boolean boolean     * beginDate<=endDate 返回true；beginDate>endDate返回false     *      * @param beginDate     *            the begin date     * @param endDate     *            the end date     * @return true, if successful     */    public static boolean compareDate(String beginDate, String endDate) {        if (endDate == null || endDate.trim().length() == 0)            endDate = beginDate;        Date bDate = stringToDate(beginDate, "yyyy-MM-dd");        Date eDate = stringToDate(endDate, "yyyy-MM-dd");        if (bDate == null || eDate == null)            return true;        if (!bDate.after(eDate))            return true;        return false;    }    /**     * 检查输入的日期字符串中的重复日期 param:strDate     * 格式如：2007-06-01--2007-12-01,2007-06-18,20070601--20071201,20070618     * return:list 字符串日期列表     *      * @param strDate     *            the str date     * @return the list     * @throws ParseException     *             the parse exception     */    public static List<String> checkRepeatDate(String strDate)            throws ParseException {        List<String> repeatDateList = new ArrayList<String>();        Map<Date, String> mediaPlanDateMap = new HashMap<Date, String>();        String[] tempStrDate = strDate.split(",");        for (int k = 0; k < tempStrDate.length; k++) {            HashMap<String, String> dateMap = new HashMap<String, String>();            dateMap = DateUtils.formatStrDateToDateMap(tempStrDate[k]);            if (dateMap == null)                continue;            String strBeginDate = (String) dateMap.get("beginDate");            String strEndDate = (String) dateMap.get("endDate");            if (strEndDate == null || strEndDate.length() == 0) {                strEndDate = strBeginDate;            }            // 检查同一个媒介计划有没有重复日期            Date tmpBeginDate = null;            Date tmpEndDate = null;            if (strBeginDate.indexOf("-") > 0) {                tmpBeginDate = DateUtils.stringToDate(strBeginDate,                        "yyyy-MM-dd");                tmpEndDate = DateUtils.stringToDate(strEndDate, "yyyy-MM-dd");            } else {                tmpBeginDate = DateUtils.stringToDate(strBeginDate, "yyyyMMdd");                tmpEndDate = DateUtils.stringToDate(strEndDate, "yyyyMMdd");            }            int len = DateUtils.getDateLength(tmpBeginDate, tmpEndDate);            Date tmpDate = null;            for (int j = 0; j < len; j++) {                tmpDate = DateUtils.dateAddDays(tmpBeginDate, j);                if (mediaPlanDateMap.size() > 0) {                    if ("1".equals(mediaPlanDateMap.get(tmpDate))) {                        repeatDateList.add(DateUtils.dateToString(tmpDate,                                "yyyy-MM-dd"));                    } else {                        mediaPlanDateMap.put(tmpDate, "1");                    }                } else {                    mediaPlanDateMap.put(tmpDate, "1");                }            }        }        return repeatDateList;    }    /**     * 获得给定日期中的【年】.     *      * @param date     *            日期     * @return 日期中的 年     */    public static String parseYear(Date date) {        return new SimpleDateFormat(SHORT_PATTERN, java.util.Locale.CHINA)                .format(date).substring(0, 4);    }    /**     * 获得当前日期中的【年】.     *      * @return 日期中的 年     */    public static String parseYear() {        Date date = Calendar.getInstance().getTime();        return new SimpleDateFormat(SHORT_PATTERN, java.util.Locale.CHINA)                .format(date).substring(0, 4);    }    /**     * 获取"yyyy-MM-dd"格式的日期字符串     *      * @param date     *            需要转换成"yyyy-MM-dd"的日期类     * @return the string 转换后的字符串     */    public static String dateToSimpleString(java.util.Date date) {        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");        return format.format(date);    }    /**     * 获取"yyyy-MM-dd"格式的日期     *      * @param String     *            the date 需要转换成"yyyy-MM-dd"的日期字符串     * @return the java.util. date 转换后的日期类     */    public static java.util.Date stringSimpleToDate(String date) {        try {            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");            return (java.util.Date) format.parseObject(date);        } catch (Exception e) {            e.printStackTrace();            return null;        }    }    /**     * 获取月份所属季度     *      * @param month     *            月份     * @return the quarter by month 所属季度     */    public static int getQuarterByMonth(int month) {        if (month >= 1 && month <= 12) {            return ((month + 2) / 3);        } else {            return -1;        }    }    /**     * 得到date所在周的周日（第一天）.     *      * @param date     *            the date     * @return the sunday     * @return     */    @SuppressWarnings("static-access")    public static Date getSunday(Date date) {        try {            Calendar c = Calendar.getInstance();            c.setTime(date);            int intWeek = c.get(c.DAY_OF_WEEK);            c.add(c.DATE, -(intWeek - 1));            date = (c.getTime());        } catch (Exception e) {            System.err.println("ReportGatekeeper.java--getSunday:" + e);        }        return date;    }    /**     * * 得到date所在周，周六（最后一天）.     *      * @param date     *            the date     * @return the saturday     * @return     */    @SuppressWarnings("static-access")    public static Date getSaturday(Date date) {        try {            Calendar c = Calendar.getInstance();            c.setTime(getSunday(date));            c.add(c.DATE, 6);            date = (c.getTime());        } catch (Exception e) {            System.err.println("ReportGatekeeper.java--getSunday:" + e);        }        return date;    }    /**     * 得到某月的第一天     *      * @param date     *            the date     * @return the first day in month     */    public static Date getFirstDayInMonth(Date date) {        String dateString = DateUtils.dateToSimpleString(date);        dateString = dateString.substring(0, 8);        dateString = dateString.concat("01");        date = DateUtils.stringToDate(dateString);        return date;    }    /**     * 得到某个季度的第一天     *      * @param date     *            the date     * @return the first day in quarter     */    public static Date getFirstDayInQuarter(Date date) {        String dateString = DateUtils.dateToSimpleString(date);        String t = dateString.substring(5, 7);        dateString = dateString.substring(0, 5);        int i = new Integer(t).intValue();        int q = getQuarterByMonth(i);        int month = (q - 1) * 3 + 1;        if (month < 10)            dateString = dateString.concat("0" + month);        else            dateString = dateString.concat("" + month);        dateString = dateString.concat("-01");        date = DateUtils.stringToDate(dateString);        return date;    }    /**     * 得到某年的第一天     *      * @param date     *            the date     * @return the first day in year     */    public static Date getFirstDayInYear(Date date) {        String dateString = DateUtils.dateToSimpleString(date);        String t = dateString.substring(0, 4);        dateString = t.concat("-01-01");        date = DateUtils.stringToDate(dateString);        return date;    }    /**     * 得到某年的最后一天     *      * @param date     *            the date     * @return the last day in year     */    public static Date getLastDayInYear(Date date) {        Date tmp = DateUtils.getFirstDayInYear(date);        tmp = DateUtils.dateAddYears(tmp, 1);        tmp = DateUtils.dateAddDays(tmp, -1);        return tmp;    }    /**     * 得到某月的最后一天     *      * @param firstDayInMonth     *            the first day in month     * @return the last day in month     */    public static Date getLastDayInMonth(Date firstDayInMonth) {        Date tmp = DateUtils.dateAddMonths(firstDayInMonth, 1);        tmp = DateUtils.getFirstDayInMonth(tmp);        tmp = DateUtils.dateAddDays(tmp, -1);        return tmp;    }    /**     * 得到某个季度的最后一天     *      * @param value     *            the value     * @return the last day in quarter     */    public static Date getLastDayInQuarter(Date value) {        Date tmp = DateUtils.getFirstDayInQuarter(value);        tmp = DateUtils.dateAddMonths(tmp, 3);        tmp = DateUtils.dateAddDays(tmp, -1);        return tmp;    }    /**     * 获取一周的第一天 周一为第一天     *      * @param date     * @return Date     */    public static Date getFirstDayOfWeek(Date date) {        Calendar calendar = Calendar.getInstance();        calendar.setTime(date);        int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK) - 1;        if (dayOfWeek == 0) {            dayOfWeek = 7;        }        return org.apache.commons.lang.time.DateUtils.addDays(date,                1 - dayOfWeek);    }    /**     * 获取一周最后一天 周一为第一天     *      * @param date     * @return Date     */    public static Date getLastDayOfWeek(Date date) {        Calendar calendar = Calendar.getInstance();        calendar.setTime(date);        int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK) - 1;        if (dayOfWeek == 0) {            dayOfWeek = 7;        }        return org.apache.commons.lang.time.DateUtils.addDays(date,                7 - dayOfWeek);    }    public static String formatDate(Date date) {        if (null == date) {            return "";        }        String dateStr = new SimpleDateFormat(PATTERN_THREE,                java.util.Locale.CHINA).format(date);        return dateStr;    }    /**     * 返回当前日期的格式化字符串.     *      * @param tag     *            0:yyyy-MM-dd HH:mm:ss;1:yyyyMMddHHmmss;2:yyyy-MM-dd;3:yyyyMM     * @return 格式化成字符串的日期     */    public static String formatDate(int tag) {        Date date = Calendar.getInstance().getTime();        String dateStr = null;        switch (tag) {        case 0:            dateStr = new SimpleDateFormat(LONG_PATTERN, java.util.Locale.CHINA)                    .format(date);            break;        case 1:            dateStr = new SimpleDateFormat(SHORT_PATTERN,                    java.util.Locale.CHINA).format(date);            break;        case 2:            dateStr = new SimpleDateFormat(PATTERN_THREE,                    java.util.Locale.CHINA).format(date);            break;        case 3:            dateStr = new SimpleDateFormat(PATTERN_FOUR, java.util.Locale.CHINA)                    .format(date);            break;        default:            dateStr = new SimpleDateFormat(LONG_PATTERN, java.util.Locale.CHINA)                    .format(date);            break;        }        return dateStr;    }    public static boolean dateCompare(Date date1, Date date2) {        if (date1.getTime() < date2.getTime()) {            return true;        }        return false;    }    /**     * 计算两个日期间的差值，返回指定单位类型     *      * @param startdate     *            起始日期     * @param enddate     *            急速日期     * @param iType     *            0-分钟；1-小时；2-天；3-月；4-年。     */    public static int dateCal(Date startdate, Date enddate, int iType) {        Calendar calBegin = parseDateTime(startdate);        Calendar calEnd = parseDateTime(enddate);        long lBegin = calBegin.getTimeInMillis();        long lEnd = calEnd.getTimeInMillis();        int ss = (int) ((lEnd - lBegin) / 1000L);        int min = ss / 60;        int hour = min / 60;        int day = hour / 24;        if (iType == MINITE_TYPE)            return min;        if (iType == HOUR_TYPE)            return hour;        if (iType == DAY_TYPE)            return day;        else            return -1;    }    public static Calendar parseDateTime(Date d) {        Calendar cal = Calendar.getInstance();        int yy = 0, mm = 0, dd = 0, hh = 0, mi = 0, ss = 0;        cal.setTime(d);        yy = cal.get(Calendar.YEAR);        mm = cal.get(Calendar.MONTH);        dd = cal.get(Calendar.DAY_OF_MONTH);        hh = cal.get(Calendar.HOUR_OF_DAY);        mi = cal.get(Calendar.MINUTE);        ss = cal.get(Calendar.SECOND);        cal.set(yy, mm, dd, hh, mi, ss);        return cal;    }