java 代码
- import java.sql.Time;
- import java.sql.Timestamp;
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.Calendar;
- import java.util.Date;
- import java.util.GregorianCalendar;
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- public class DateUtil {
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- static public String getDateStr(Date date) {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- return format.format(date);
- }
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- static public String getYear(Date date) {
- SimpleDateFormat format = new SimpleDateFormat("yyyy");
- return format.format(date);
- }
- static public String getDateStrC(Date date) {
- SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日");
- return format.format(date);
- }
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- static public String getDateStrCompact(Date date) {
- if (date == null)
- return "";
- SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");
- String str = format.format(date);
- return str;
- }
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- static public String getDateTimeStr(Date date) {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- return format.format(date);
- }
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- static public String getDateTimeStrC(Date date) {
- SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
- return format.format(date);
- }
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- public static String getCurDateStr(String pattern) {
- SimpleDateFormat format = new SimpleDateFormat(pattern);
- return format.format(new Date());
- }
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- static public Date parseDate(String s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- return format.parse(s);
- }
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- static public Date parseDateC(String s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日");
- return format.parse(s);
- }
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- static public Date parseDateTime(String s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- return format.parse(s);
- }
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- static public Date parseDateTimeC(String s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
- return format.parse(s);
- }
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- static public Date parseTime(String s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss");
- return format.parse(s);
- }
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- static public Date parseTimeC(String s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("HH时mm分ss秒");
- return format.parse(s);
- }
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- static public int yearOfDate(Date s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- String d = format.format(s);
- return Integer.parseInt(d.substring(0, 4));
- }
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- static public int monthOfDate(Date s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- String d = format.format(s);
- return Integer.parseInt(d.substring(5, 7));
- }
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- static public int dayOfDate(Date s) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- String d = format.format(s);
- return Integer.parseInt(d.substring(8, 10));
- }
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- static public String getDateTimeStr(java.sql.Date date, double time) {
- int year = date.getYear() + 1900;
- int month = date.getMonth() + 1;
- int day = date.getDate();
- String dateStr = year + "-" + month + "-" + day;
- Double d = new Double(time);
- String timeStr = String.valueOf(d.intValue()) + ":00:00";
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- return dateStr + " " + timeStr;
- }
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- static public int diffDateM(Date sd, Date ed) throws ParseException {
- return (ed.getYear() - sd.getYear()) * 12 + ed.getMonth()
- - sd.getMonth() + 1;
- }
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- static public int diffDateD(Date sd, Date ed) throws ParseException {
- return Math.round((ed.getTime() - sd.getTime()) / 86400000) + 1;
- }
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- static public int diffDateM(int sym, int eym) throws ParseException {
- return (Math.round(eym / 100) - Math.round(sym / 100)) * 12
- + (eym % 100 - sym % 100) + 1;
- }
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- static public java.sql.Date getNextMonthFirstDate(java.sql.Date date)
- throws ParseException {
- Calendar scalendar = new GregorianCalendar();
- scalendar.setTime(date);
- scalendar.add(Calendar.MONTH, 1);
- scalendar.set(Calendar.DATE, 1);
- return new java.sql.Date(scalendar.getTime().getTime());
- }
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- static public java.sql.Date getFrontDateByDayCount(java.sql.Date date,
- int dayCount) throws ParseException {
- Calendar scalendar = new GregorianCalendar();
- scalendar.setTime(date);
- scalendar.add(Calendar.DATE, -dayCount);
- return new java.sql.Date(scalendar.getTime().getTime());
- }
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- static public Date getFirstDay(String year, String month)
- throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- return format.parse(year + "-" + month + "-1");
- }
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- static public Date getFirstDay(int year, int month) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- return format.parse(year + "-" + month + "-1");
- }
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- static public Date getLastDay(String year, String month)
- throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- Date date = format.parse(year + "-" + month + "-1");
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- Calendar scalendar = new GregorianCalendar();
- scalendar.setTime(date);
- scalendar.add(Calendar.MONTH, 1);
- scalendar.add(Calendar.DATE, -1);
- date = scalendar.getTime();
- return date;
- }
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- static public Date getLastDay(int year, int month) throws ParseException {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- Date date = format.parse(year + "-" + month + "-1");
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- Calendar scalendar = new GregorianCalendar();
- scalendar.setTime(date);
- scalendar.add(Calendar.MONTH, 1);
- scalendar.add(Calendar.DATE, -1);
- date = scalendar.getTime();
- return date;
- }
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- static public String getTodayStr() throws ParseException {
- Calendar calendar = Calendar.getInstance();
- return getDateStr(calendar.getTime());
- }
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- static public Date getToday() throws ParseException {
- return new Date(System.currentTimeMillis());
- }
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- static public String getTodayAndTime() {
- return new Timestamp(System.currentTimeMillis()).toString();
- }
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- static public String getTodayC() throws ParseException {
- Calendar calendar = Calendar.getInstance();
- return getDateStrC(calendar.getTime());
- }
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- static public int getThisYearMonth() throws ParseException {
- Date today = Calendar.getInstance().getTime();
- return (today.getYear() + 1900) * 100 + today.getMonth() + 1;
- }
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- static public int getYearMonth(Date date) throws ParseException {
- return (date.getYear() + 1900) * 100 + date.getMonth() + 1;
- }
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- static public long getDistinceMonth(String beforedate, String afterdate)
- throws ParseException {
- SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd");
- long monthCount = 0;
- try {
- java.util.Date d1 = d.parse(beforedate);
- java.util.Date d2 = d.parse(afterdate);
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- monthCount = (d2.getYear() - d1.getYear()) * 12 + d2.getMonth()
- - d1.getMonth();
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- } catch (ParseException e) {
- System.out.println("Date parse error!");
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- }
- return monthCount;
- }
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- static public long getDistinceDay(String beforedate, String afterdate)
- throws ParseException {
- SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd");
- long dayCount = 0;
- try {
- java.util.Date d1 = d.parse(beforedate);
- java.util.Date d2 = d.parse(afterdate);
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- dayCount = (d2.getTime() - d1.getTime()) / (24 * 60 * 60 * 1000);
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- } catch (ParseException e) {
- System.out.println("Date parse error!");
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- }
- return dayCount;
- }
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- static public long getDistinceDay(Date beforedate, Date afterdate)
- throws ParseException {
- long dayCount = 0;
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- try {
- dayCount = (afterdate.getTime() - beforedate.getTime())
- / (24 * 60 * 60 * 1000);
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- } catch (Exception e) {
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- }
- return dayCount;
- }
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- static public long getDistinceDay(java.sql.Date beforedate,
- java.sql.Date afterdate) throws ParseException {
- long dayCount = 0;
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- try {
- dayCount = (afterdate.getTime() - beforedate.getTime())
- / (24 * 60 * 60 * 1000);
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- } catch (Exception e) {
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- }
- return dayCount;
- }
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- static public long getDistinceDay(String beforedate) throws ParseException {
- return getDistinceDay(beforedate, getTodayStr());
- }
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- static public long getDistinceTime(String beforeDateTime,
- String afterDateTime) throws ParseException {
- SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
- long timeCount = 0;
- try {
- java.util.Date d1 = d.parse(beforeDateTime);
- java.util.Date d2 = d.parse(afterDateTime);
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- timeCount = (d2.getTime() - d1.getTime()) / (60 * 60 * 1000);
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- } catch (ParseException e) {
- System.out.println("Date parse error!");
- throw e;
- }
- return timeCount;
- }
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- static public long getDistinceTime(String beforeDateTime)
- throws ParseException {
- return getDistinceTime(beforeDateTime, new Timestamp(System
- .currentTimeMillis()).toLocaleString());
- }
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- static public long getDistinceMinute(String beforeDateTime,
- String afterDateTime) throws ParseException {
- SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- long timeCount = 0;
- try {
- java.util.Date d1 = d.parse(beforeDateTime);
- java.util.Date d2 = d.parse(afterDateTime);
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