package com.djzh.common.utils; 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.apache.commons.lang.StringUtils; import org.apache.commons.lang.time.DateFormatUtils; import org.apache.log4j.Logger; /** * 日期实用工具类 * */ public class DateUtil { public static final Logger log = Logger.getLogger(DateUtil.class); /** * 返回当前日期 * * @return String */ public static String getDate() { return DateFormatUtils.format(new Date(), "yyyy-MM-dd"); } /** * 返回日期yyyy-MM-dd * * @return String */ public static String getDate(Date date) { return DateFormatUtils.format(date, "yyyy-MM-dd"); } /** * 返回当前日期时间 * * @return String */ public static String getDateTime() { return DateFormatUtils.format(new Date(), "yyyy-MM-dd HH:mm:ss"); } /** * 返回当前日期时间 * * @return String */ public static String getDateRoundMinute() { return DateFormatUtils.format(new Date(), "yyyy-MM-dd HH:mm"); } /** * 获取日期200-10-5 * * @param str * 原日期类型yyyy-MM-dd HH:mm:ss.S * @return */ public static String getDateTime(String str) { if (str == null || str.equals("")) return ""; DateFormat df = DateFormat.getDateInstance(); Date d = null; try { d = df.parse(str); } catch (Exception e) { return null; } return DateFormatUtils.format(d, "yyyy-MM-dd"); } /** * 返回当前时间 * * @return String */ public static String getTime() { return DateFormatUtils.format(new Date(), "HHmmssSSS"); } /** * 返回当前时间 * * @return String */ public static String getCurrentTime() { return DateFormatUtils.format(new Date(), "HH:mm:ss"); } /** * 获取月的实现 * * @param date * @return String */ public static String getEndTime(Date date, int month, boolean endmonth) { String ds = null; Calendar c = Calendar.getInstance(); c.setTime(date); c.add(Calendar.MONTH, month); if (endmonth) { int i = c.getActualMaximum(Calendar.DAY_OF_MONTH); c.set(c.get(Calendar.YEAR), c.get(Calendar.MONTH), i, 23, 59, 59); } ds = DateFormatUtils.format(c.getTime(), "yyyy-MM-dd HH:mm:ss"); return ds; } /** * 获取天的时限 * * @param date * @return String */ public static String getEndTime(Date date, int days) { String ds = null; Calendar c = Calendar.getInstance(); c.setTime(date); c.add(Calendar.DATE, days); ds = DateFormatUtils.format(c.getTime(), "yyyy-MM-dd HH:mm:ss"); return ds; } /** * 返回中文日期 * * @return String */ public static String getGBDate(String dateStr) { DateFormat df = DateFormat.getDateInstance(); String gbdate = null; try { Date date = df.parse(dateStr); gbdate = DateFormatUtils.format(date, "yyyy年MM月dd日"); } catch (ParseException pe) { log.info(pe.getMessage()); } return gbdate; } /** * 返回日期 * * @return String */ public static String getStringDate(String dateStr, String pattern) { DateFormat df = DateFormat.getDateInstance(); String gbdate = null; try { Date date = df.parse(dateStr); gbdate = DateFormatUtils.format(date, pattern); } catch (ParseException pe) { log.info(pe.getMessage()); } return gbdate; } /** * 返回中文日期时间 * * @return String */ public static String getGBDateTime(String dateStr) { DateFormat df = DateFormat.getDateInstance(); String gbdate = null; try { Date date = df.parse(dateStr); gbdate = DateFormatUtils.format(date, "yyyy年MM月dd日 HH时mm分ss秒"); } catch (ParseException pe) { log.info(pe.getMessage()); } return gbdate; } /** * 返回日期格式 * * @return Date */ public static Date getDate(String dateStr) { DateFormat df = DateFormat.getDateInstance(); try { Date date = df.parse(dateStr); return date; } catch (Exception e) { } return null; } public static String getShortDate(String dateStr) { if (dateStr == null || "".equals(dateStr)) return null; DateFormat df = DateFormat.getDateInstance(); try { Date date = df.parse(dateStr); return DateFormatUtils.format(date, "yyyy-MM-dd"); } catch (Exception e) { log.error("日期格式有误" + e.getMessage()); } return null; } public static Date getDate(String dateStr, String pattern) { SimpleDateFormat sdf = new SimpleDateFormat(pattern); try { Date date = sdf.parse(dateStr); return date; } catch (Exception e) { } return null; } /** * 返回日期格式 * * @return String */ public static String getDateStr(Date date) { String dateStr = null; try { dateStr = DateFormatUtils.format(date, "yyyy-MM-dd HH:mm:ss.S"); return dateStr; } catch (Exception e) { } return null; } /** * 返回日期格式 * * @return String */ public static String getDateStr(Date date, String pattern) { String dateStr = null; try { dateStr = DateFormatUtils.format(date, pattern); return dateStr; } catch (Exception e) { } return ""; } /** * 返回时间类型 * * @param aValue * @return */ public static java.sql.Timestamp parseTimestampFromFormats(String aValue) { if (StringUtils.isEmpty(aValue)) return null; DateFormat df = DateFormat.getDateTimeInstance(); if (aValue.indexOf(":") == -1) { aValue = " 00:00:00"; } else if (aValue.indexOf(":") != -1 && aValue.indexOf(":") == aValue.lastIndexOf(":")) { aValue = aValue + ":00"; } try { Date date = df.parse(aValue); return new java.sql.Timestamp(date.getTime()); } catch (Exception e) { } return null; } public static java.sql.Timestamp now() { return new java.sql.Timestamp(new java.util.Date().getTime()); } /** * 获取服务器的系统时间 * * @return Date 日期 格式：yyyy-MM-dd HH:mm:ss */ public static String getCurrentServerTime() { return getDateTime(); } /** * 把时间格式转换成到分钟 * * @param String * 日期 格式：yyyy-MM-dd HH:mm:ss * @return String 日期 格式：yyyy-MM-dd HH:mm */ public static String getDateTimeStringToMinute(String date) { if (date == null || date.equals("")) return ""; try { String dateStr = DateFormatUtils.format(DateFormat .getDateTimeInstance().parse(date), "yyyy-MM-dd HH:mm"); return dateStr; } catch (Exception e) { return ""; } } /** * 获取时间到秒 * * @param date * 日期 * @return */ public static String getDateStrToSecond(Date date) { if (date == null) return ""; String dateStr = null; try { dateStr = DateFormatUtils.format(date, "yyyy-MM-dd HH:mm:ss"); return dateStr; } catch (Exception e) { log.info(e.getMessage()); return null; } } /** * 获取时间到分 * * @param date * 日期 * @return */ public static String getDateStrToMinute(Date date) { if (date == null) return ""; String dateStr = null; try { dateStr = DateFormatUtils.format(date, "yyyy-MM-dd HH:mm"); return dateStr; } catch (Exception e) { return ""; } } /** * 获取时间到日 * * @param date * 日期 * @return */ public static String getDateStrToDay(Date date) { if (date == null) return ""; String dateStr = null; try { dateStr = DateFormatUtils.format(date, "yyyy-MM-dd"); return dateStr; } catch (Exception e) { log.info(e.getMessage()); return null; } } public static Date getDateFromString(String dateStr) throws Exception { DateFormat df = DateFormat.getDateInstance(); Date date = df.parse(dateStr); return date; } public static Date getDateTimeFromString(String dateStr) throws Exception { DateFormat df = DateFormat.getDateTimeInstance(); Date date = df.parse(dateStr); return date; } // /** // * 检查文本框中的日期时间格式 // * // * @param source // * Text // * // * @return // */ // public static boolean checkDateTime(Text text) { // // if (text.getText() != null && text.getText().trim().length() > 0) { // String str = text.getText().trim(); // Date date = null; // try { // date = changeDate(str); // String sdate = DateUtil.getDateStrToMinute(date); // text.setText(sdate); // } catch (Exception e1) { // MessageDialog.showMessage("时间格式错误，请重新输入，正确格式为：2006-06-06 6:6"); // // text.setText(""); // // return false; // } // } // return true; // } // /** // * 检查文本框中的日期时间格式 // * // * @param source // * Text // * // * @return // */ // public static boolean checkDateTime(WText text) { // // if (text.getText() != null && text.getText().trim().length() > 0) { // String str = text.getText().trim(); // Date date = null; // try { // date = changeDate(str); // String sdate = DateUtil.getDateStrToMinute(date); // text.setText(sdate); // } catch (Exception e1) { // MessageDialog.showMessage("时间格式错误，请重新输入，正确格式为：2006-06-06 6:6"); // // text.setText(""); // // return false; // } // } // return true; // } // /** // * 检查文本框中的日期时间格式 // * // * @param source // * StyledText // * // * @return // */ // public static boolean checkDateTime(StyledText text) { // // if (text.getText() != null && text.getText().trim().length() > 0) { // String str = text.getText().trim(); // Date date = null; // try { // date = changeDate(str); // String sdate = DateUtil.getDateStrToMinute(date); // text.setText(sdate); // } catch (Exception e1) { // MessageDialog.showMessage("时间格式错误，请重新输入，正确格式为：2006-06-06 6:6"); // // text.setText(""); // return false; // } // } // return true; // // } // // /** // * 检查文本框中的日期格式 // * // * @param source // * Text // * // * @return // */ // public static boolean checkDate(Text text) { // // if (text.getText() != null && text.getText().trim().length() > 0) { // String str = text.getText().trim(); // Date date = null; // try { // date = changeDate(str); // String sdate = DateUtil.getDateStrToDay(date); // text.setText(sdate); // } catch (Exception e1) { // MessageDialog.showMessage("时间格式错误，请重新输入，正确格式为：2006-06-06"); // // text.setText(""); // return false; // } // } // return true; // } // /** // * 检查文本框中的日期格式 // * // * @param source // * Text // * // * @return // */ // public static boolean checkDate(WText text) { // // if (text.getText() != null && text.getText().trim().length() > 0) { // String str = text.getText().trim(); // Date date = null; // try { // date = changeDate(str); // String sdate = DateUtil.getDateStrToDay(date); // text.setText(sdate); // } catch (Exception e1) { // MessageDialog.showMessage("时间格式错误，请重新输入，正确格式为：2006-06-06"); // // text.setText(""); // return false; // } // } // return true; // } // /** // * 检查日期输入 // * @param text // * @return // */ // public static boolean checkDateInput(Text text) { // // if (text.getText() != null && text.getText().trim().length() > 0) { // String str = text.getText().trim(); // Date date = null; // try { // date = changeDate(str); // String sdate = DateUtil.getDateStrToDay(date); // text.setText(sdate); // } catch (Exception e1) { // text.setText(""); // text.setFocus(); // MessageDialog.showMessage("时间格式错误，请重新输入，正确格式为：2006-06-06"); // return false; // } // } // return true; // } // // /** // * 检查文本框中的日期格式 // * // * @param source // * StyledText // * // * @return // */ // public static void checkDate(StyledText source) { // // source.addFocusListener(new FocusAdapter() { // // public void focusLost(FocusEvent e) { // StyledText text = (StyledText) e.getSource(); // if (text.getText() != null // && text.getText().trim().length() > 0) { // String str = text.getText().trim(); // Date date = null; // try { // date = changeDate(str); // String sdate = DateUtil.getDateStrToDay(date); // text.setText(sdate); // } catch (Exception e1) { // MessageDialog // .showMessage("时间格式错误，请重新输入，正确格式为：2006-06-06"); // // text.setText(""); // } // } // } // }); // } private static Date changeDate(String str) throws Exception { Date date = null; if (str.indexOf(" ") >= 0) { String[] strArray = str.split(":"); if (strArray != null) { if (strArray.length == 2) { str = str + ":00"; } } date = DateUtil.getDateTimeFromString(str); } else { date = DateUtil.getDateFromString(str); } return date; } /** * 获取限时急件时间 * * @throws ParseException */ public static String getLimitDispatchTime() { try { String dateTime = DateUtil.getCurrentServerTime(); DateFormat datef = DateFormat.getDateTimeInstance(); SimpleDateFormat m_DateFormatter = new SimpleDateFormat( "yyyy-MM-dd HH:mm"); Date sDate = datef.parse(dateTime); Calendar cal = Calendar.getInstance(); cal.setTime(sDate); cal.add(Calendar.HOUR, 2); Date eDate = cal.getTime(); String str = m_DateFormatter.format(eDate); return str; } catch (Exception e) { log.info(e.getMessage()); return null; } } /** * 获取特急件时间 * * @throws ParseException */ public static String getEspecialDispatchTime() { try { String dateTime = DateUtil.getCurrentServerTime(); DateFormat datef = DateFormat.getDateTimeInstance(); SimpleDateFormat m_DateFormatter = new SimpleDateFormat( "yyyy-MM-dd HH:mm"); Date sDate = datef.parse(dateTime); Calendar cal = Calendar.getInstance(); cal.setTime(sDate); cal.add(Calendar.HOUR, 8); Date eDate = cal.getTime(); String str = m_DateFormatter.format(eDate); return str; } catch (Exception e) { log.info(e.getMessage()); return null; } } // 获取时间到分 public static String getTimeMinute() { try { String dateTime = DateUtil.getCurrentServerTime(); DateFormat datef = DateFormat.getDateTimeInstance(); SimpleDateFormat m_DateFormatter = new SimpleDateFormat( "yyyy-MM-dd HH:mm"); Date sDate = datef.parse(dateTime); Calendar cal = Calendar.getInstance(); cal.setTime(sDate); Date eDate = cal.getTime(); String str = m_DateFormatter.format(eDate); return str; } catch (Exception e) { log.info(e.getMessage()); return null; } } public static boolean isYesterdayORtoday(String newsCreatTime) { try { String today = DateUtil.getDate(); newsCreatTime = DateUtil.getDateTime(newsCreatTime); String yesterday = getYesterday(newsCreatTime); if(today.equals(newsCreatTime) || today.equals(yesterday)){ return true; } } catch(Exception e) { e.printStackTrace(); } return false; } /** * 获取上一天的信息 * @param nowDate format:2006-06-17 * @return */ public static String getYesterday(String nowDate) { String yesterday = ""; int year = 0; int month = 0; int day = 0; try { year = Integer.parseInt(nowDate.substring(0,nowDate.indexOf("-"))); month = Integer.parseInt(nowDate.substring(nowDate.indexOf("-")+1,nowDate.lastIndexOf("-"))); day = Integer.parseInt(nowDate.substring(nowDate.lastIndexOf("-")+1)); day = day +1; if(day == 0) { month = month - 1; if(month == 0) { //January month = 12; day = 31; year = year - 1; } else { //not Jan. switch(month) { //1|3|5|7|8|10|12) day=31;; case 1: day = 31; break; case 3: day = 31; break; case 5: day = 31; break; case 7: day = 31; break; case 8: day = 31; break; case 10: day = 31; break; case 12: day = 31; break; //4|6|9|11) day=30;; case 4: day = 30; break; case 6: day = 30; break; case 9: day = 30; break; case 11: day = 30; break; case 2: if(year % 4 ==0 && year % 100 !=0 || year % 400 ==0) { //leap year day = 29; } else day = 28; } } } String monthStr = ""; String dayStr = ""; if(month < 10) { monthStr = "0" + String.valueOf(month); } else { monthStr = String.valueOf(month); } if(day < 10) { dayStr = "0" + String.valueOf(day); } else { dayStr = String.valueOf(day); } yesterday = String.valueOf(year) + "-" + monthStr + "-" + dayStr; } catch(Exception e) { e.printStackTrace(); } return yesterday; } public static int getLastDateOfMonth(Date date){ int lastDate = 0; Calendar cal = Calendar.getInstance(); cal.set(date.getYear(), date.getMonth()+1,-1); lastDate = cal.get(cal.DATE); return lastDate+1; } public static Date parseStringToDate(String usedate,String hour,String minute){ Date date=null; SimpleDateFormat sd=new SimpleDateFormat("yyyy-MM-dd HH:mm"); try { date = sd.parse(usedate+" "+hour+":"+minute); } catch (Exception e) { e.printStackTrace(); } return date; } public static void main(String[] args) { System.out.println(DateUtil.getLastDateOfMonth(new Date())); } public static String parseStringToDate(String dateStr) { Date date = null; SimpleDateFormat sf2 = null; try { SimpleDateFormat sf1 = new SimpleDateFormat("MMM dd, yyyy hh:mm:ss a", Locale.ENGLISH); date = sf1.parse(dateStr); sf2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); } catch (ParseException e) { e.printStackTrace(); } return sf2.format(date); // System.out.println(sf2.format(date)); } public static String parseStringToDate2(String s){ Date date = null; SimpleDateFormat sf2 = null; try { SimpleDateFormat sf1 = new SimpleDateFormat("EEE MMM dd hh:mm:ss z yyyy", Locale.ENGLISH); date = sf1.parse(s); sf2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); } catch (ParseException e) { e.printStackTrace(); } return sf2.format(date); } public static String parseChinaDateToDate(String s) { String[] strArr=s.split("月"); if (strArr[0].equals("一")) { strArr[0]="01"; }else if (strArr[0].equals("二")) { strArr[0]="02"; }else if (strArr[0].equals("三")) { strArr[0]="03"; }else if (strArr[0].equals("四")) { strArr[0]="04"; }else if (strArr[0].equals("五")) { strArr[0]="05"; }else if (strArr[0].equals("六")) { strArr[0]="06"; }else if (strArr[0].equals("七")) { strArr[0]="07"; }else if (strArr[0].equals("八")) { strArr[0]="08"; }else if (strArr[0].equals("九")) { strArr[0]="09"; }else if (strArr[0].equals("十")) { strArr[0]="10"; }else if (strArr[0].equals("十一")) { strArr[0]="11"; }else if (strArr[0].equals("十二")) { strArr[0]="12"; } s=strArr[0]+strArr[1]; Date date = null; SimpleDateFormat sf2 = null; try { SimpleDateFormat sf1 = new SimpleDateFormat("MM dd, yyyy", Locale.ENGLISH); date = sf1.parse(s); sf2 = new SimpleDateFormat("yyyy-MM-dd"); } catch (ParseException e) { e.printStackTrace(); } return sf2.format(date); } } 二、 package com.djzh.common.utils; import java.io.PrintStream; import java.text.ParseException; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.Locale; import org.apache.commons.lang.StringUtils; /** * 日期工具类 * @author hanlin * */ public class DateTimeUtils { public static Date getNowDate() { Date currentTime = new Date(); SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String dateString = formatter.format(currentTime); ParsePosition pos = new ParsePosition(0); Date currentTime_2 = formatter.parse(dateString, pos); return currentTime_2; } public static Date getNowDateShort() { Date currentTime = new Date(); SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); String dateString = formatter.format(currentTime); ParsePosition pos = new ParsePosition(8); Date currentTimeFormat = formatter.parse(dateString, pos); return currentTimeFormat; } public static String getYyyyMMddHhmmStrDate(Date date) throws Exception{ SimpleDateFormat df = new SimpleDateFormat( "yyyy-MM-dd HH:mm" ); return df.format(date); } public static String getStrDate(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.format(date); } public static String getYyyyMMStrDate(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMM"); return sdf.format(date); } public static String getYyyyStrDate(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy"); return sdf.format(date); } public static Integer getStrIntegerDate(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); return new Integer(sdf.format(date)); } public static String getStrYyyyMMdd(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); return sdf.format(date); } public static String getStrYyyyMMddHhmmss(Date date) { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); return sdf.format(date); } public static int getIntervalYear(int interval) { Date currentTime = new Date(); return currentTime.getYear() + interval; } public static Date strToDate(String strDate) { SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); ParsePosition pos = new ParsePosition(0); Date strtodate = formatter.parse(strDate, pos); return strtodate; } public static String getStringDateShort() { Date currentTime = new Date(); SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); String dateString = formatter.format(currentTime); return dateString; } public static String dateToStr(Date dateDate) { SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); String dateString = formatter.format(dateDate); return dateString; } public static String dateToLocalStr(Date dateDate) { SimpleDateFormat formatter = new SimpleDateFormat("yyyy年MM月dd日"); String dateString = formatter.format(dateDate); return dateString; } public static String dateToLocalWeekStr(Date dateDate) { SimpleDateFormat formatter = new SimpleDateFormat("yyyy年MM月dd日 E", Locale.CHINA); String dateString = formatter.format(dateDate); return dateString; } public static String dateToLocalStrYearAndMonth(Date dateDate) { SimpleDateFormat formatter = new SimpleDateFormat("yyyy年MM月"); String dateString = formatter.format(dateDate); return dateString; } public static long getDays(String date1, String date2) { if ((date1 == null) || (date1.equals(""))) return 0L; if ((date2 == null) || (date2.equals(""))) { return 0L; } SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd"); Date date = null; Date mydate = null; try { date = myFormatter.parse(date1); mydate = myFormatter.parse(date2); } catch (Exception localException) { } long day = (date.getTime() - mydate.getTime()) / 86400000L; return day; } public static String getNextDay(String nowdate, String delay) { try { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String mdate = ""; Date d = strToDate(nowdate); long myTime = d.getTime() / 1000L + Integer.parseInt(delay) * 24 * 60 * 60; d.setTime(myTime * 1000L); return format.format(d); } catch (Exception e) { } return ""; } public static String getCurrentWeekOfMonth(Calendar calendar) { String strWeek = ""; int dw = calendar.get(7); if (dw == 1) strWeek = "星期天"; else if (dw == 2) strWeek = "星期一"; else if (dw == 3) strWeek = "星期二"; else if (dw == 4) strWeek = "星期三"; else if (dw == 5) strWeek = "星期四"; else if (dw == 6) strWeek = "星期五"; else if (dw == 7) { strWeek = "星期六"; } return strWeek; } public static int getQuarterByStrDate(String date) { if (date.split("-").length < 3) { return 0; } int month = Integer.parseInt(date.split("-")[1]); if ((month > 0) && (month <= 3)) return 1; if ((month > 3) && (month <= 6)) return 2; if ((month > 6) && (month <= 9)) return 3; if ((month > 9) && (month <= 12)) { return 4; } return 0; } public static Date getDateByYyyyMMddHHmmss(String yMdhms) { try { SimpleDateFormat ymdHmsFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); if (yMdhms.length() > 19) { yMdhms = yMdhms.substring(0, 19); } return ymdHmsFormat.parse(yMdhms); } catch (ParseException e) { } return new Date(); } public static Date getDateByYyyyMmDdHhMmSs(String ymdhms) { try { SimpleDateFormat ymdHmsFormat = new SimpleDateFormat("yyyyMMddHHmmss"); return ymdHmsFormat.parse(ymdhms); } catch (ParseException e) { } return new Date(); } public static String getYyyyMMddHHmmssStr(Date date) { SimpleDateFormat ymdHmsFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return ymdHmsFormat.format(date); } public static Date getYyyyMMddHHmmssDate(String date) { try { SimpleDateFormat ymdHmsFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return ymdHmsFormat.parse(date); } catch (ParseException e) { } return new Date(); } public static String getYyyyMMddHHmmssHan(Date date) { SimpleDateFormat ymdHmsFormat = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒"); return ymdHmsFormat.format(date); } public static Boolean dateCompare(String myDate) throws ParseException { Date nowdate = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA); Date d = sdf.parse(myDate); return Boolean.valueOf(d.before(nowdate)); } public static String parseFormatDateByString(String time) { String now = null; try { if (StringUtils.trimToNull(time) == null) { return null; } Date date = new SimpleDateFormat("yyyyMMddHHmmss").parse(time); now = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date); } catch (ParseException e) { e.printStackTrace(); } return now; } public static String getFormatDate(Date date) { SimpleDateFormat format = new SimpleDateFormat("yyyy.MM.dd"); return format.format(date); } public static void main(String[] args) throws ParseException { System.out.println(getStrYyyyMMddHhmmss(new Date())); System.out.println(getStrYyyyMMdd(new Date())); } }