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Commit fc76d85a authored by 张永's avatar 张永
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加个时区方法

parent 6b2beab5
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src/main/java/com/egolm/common/DateUtil.java
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...@@ -16,7 +16,7 @@ import java.util.regex.Matcher; ...@@ -16,7 +16,7 @@ import java.util.regex.Matcher;
import java.util.regex.Pattern; import java.util.regex.Pattern;
public class DateUtil { public class DateUtil {
public static final String FMT_HH = "HH"; public static final String FMT_HH = "HH";
public static final String FMT_DATE_HH = "yyyy-MM-dd HH"; public static final String FMT_DATE_HH = "yyyy-MM-dd HH";
public static final String FMT_TIME = "HH:mm:ss"; public static final String FMT_TIME = "HH:mm:ss";
...@@ -32,43 +32,55 @@ public class DateUtil { ...@@ -32,43 +32,55 @@ public class DateUtil {
public static final String FMT_DATE_ISO = "yyyy-MM-ddTHH:mm:ss.SSSZ"; public static final String FMT_DATE_ISO = "yyyy-MM-ddTHH:mm:ss.SSSZ";
public static final String FMT_UTC_GMT = "EEE, dd MMM yyyy HH:mm:ss z"; public static final String FMT_UTC_GMT = "EEE, dd MMM yyyy HH:mm:ss z";
public static final String FMT_YYYYMMddHHMMSS = "yyyyMMddHHmmss"; public static final String FMT_YYYYMMddHHMMSS = "yyyyMMddHHmmss";
public static final String FMT_UTC_ALIYUN="YYYY-MM-DD'T'hh:mm:ss'Z'"; public static final String FMT_UTC_ALIYUN = "YYYY-MM-DD'T'hh:mm:ss'Z'";
public static final String FMT_YYYY_MM = "yyyy-MM"; public static final String FMT_YYYY_MM = "yyyy-MM";
public static final Long SECOND = 1000L; public static final Long SECOND = 1000L;
public static final Long MINUTE = 1000L*60; public static final Long MINUTE = 1000L * 60;
public static final Long HALF_HOUR = MINUTE*30; public static final Long HALF_HOUR = MINUTE * 30;
public static final Long HOUR = HALF_HOUR*2; public static final Long HOUR = HALF_HOUR * 2;
public static final Long HALF_DAY = HOUR*12; public static final Long HALF_DAY = HOUR * 12;
public static final Long DAY = HALF_DAY*2; public static final Long DAY = HALF_DAY * 2;
private static final Map<Pattern, String> PATTERN_DATE = new LinkedHashMap<Pattern, String>(); private static final Map<Pattern, String> PATTERN_DATE = new LinkedHashMap<Pattern, String>();
static { static {
PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月(([0]?[1-9])|([1-2][0-9])|([3][0-1]))日\\s+\\d{1,2}时\\d{1,2}分\\d{1,2}秒)"), "yyyy年MM月dd日 HH时mm分ss秒"); PATTERN_DATE.put(Pattern.compile(
PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月(([0]?[1-9])|([1-2][0-9])|([3][0-1]))日\\s+\\d{1,2}:\\d{1,2}:\\d{1,2})"), "yyyy年MM月dd日 HH:mm:ss"); "(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月(([0]?[1-9])|([1-2][0-9])|([3][0-1]))日\\s+\\d{1,2}时\\d{1,2}分\\d{1,2}秒)"),
PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月(([0]?[1-9])|([1-2][0-9])|([3][0-1]))日)"), "yyyy年MM月dd日"); "yyyy年MM月dd日 HH时mm分ss秒");
PATTERN_DATE.put(Pattern.compile(
"(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月(([0]?[1-9])|([1-2][0-9])|([3][0-1]))日\\s+\\d{1,2}:\\d{1,2}:\\d{1,2})"),
"yyyy年MM月dd日 HH:mm:ss");
PATTERN_DATE.put(
Pattern.compile("(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月(([0]?[1-9])|([1-2][0-9])|([3][0-1]))日)"),
"yyyy年MM月dd日");
PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月)"), "yyyy年MM月"); PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})年(([0]?[1-9])|([1][0-2]))月)"), "yyyy年MM月");
PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})年)"), "yyyy年"); PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})年)"), "yyyy年");
PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}.\\d{3}Z)"), DateUtil.FMT_DATE_ISO); PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}.\\d{3}Z)"), DateUtil.FMT_DATE_ISO);
PATTERN_DATE.put(Pattern.compile("(\\d{4}/\\d{1,2}/\\d{1,2}\\s+\\d{1,2}:\\d{1,2}:\\d{1,2})"), DateUtil.FMT_A_DATE_SECOND); PATTERN_DATE.put(Pattern.compile("(\\d{4}/\\d{1,2}/\\d{1,2}\\s+\\d{1,2}:\\d{1,2}:\\d{1,2})"),
PATTERN_DATE.put(Pattern.compile("(\\d{4}/\\d{1,2}/\\d{1,2}\\s+\\d{1,2}:\\d{1,2})"), DateUtil.FMT_A_DATE_MINUTE); DateUtil.FMT_A_DATE_SECOND);
PATTERN_DATE.put(Pattern.compile("(\\d{4}/\\d{1,2}/\\d{1,2}\\s+\\d{1,2}:\\d{1,2})"),
DateUtil.FMT_A_DATE_MINUTE);
PATTERN_DATE.put(Pattern.compile("(\\d{4}/\\d{1,2}/\\d{1,2})"), DateUtil.FMT_A_DATE); PATTERN_DATE.put(Pattern.compile("(\\d{4}/\\d{1,2}/\\d{1,2})"), DateUtil.FMT_A_DATE);
PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{1,2}-\\d{1,2}\\s+\\d{1,2}:\\d{1,2}:\\d{1,2})"), DateUtil.FMT_DATE_SECOND); PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{1,2}-\\d{1,2}\\s+\\d{1,2}:\\d{1,2}:\\d{1,2})"),
DateUtil.FMT_DATE_SECOND);
PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{1,2}-\\d{1,2}\\s+\\d{1,2}:\\d{1,2})"), DateUtil.FMT_DATE_MINUTE); PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{1,2}-\\d{1,2}\\s+\\d{1,2}:\\d{1,2})"), DateUtil.FMT_DATE_MINUTE);
PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{1,2}-\\d{1,2})"), DateUtil.FMT_DATE); PATTERN_DATE.put(Pattern.compile("(\\d{4}-\\d{1,2}-\\d{1,2})"), DateUtil.FMT_DATE);
PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})(([0][1-9])|([1][0-2]))(([0][1-9])|([1-2][0-9])|([3][0-1])))"), "yyyyMMdd"); PATTERN_DATE.put(
Pattern.compile("(([1-2][0-9]{3})(([0][1-9])|([1][0-2]))(([0][1-9])|([1-2][0-9])|([3][0-1])))"),
"yyyyMMdd");
PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})(([0][1-9])|([1][0-2])))"), "yyyyMM"); PATTERN_DATE.put(Pattern.compile("(([1-2][0-9]{3})(([0][1-9])|([1][0-2])))"), "yyyyMM");
PATTERN_DATE.put(Pattern.compile("([1-2][0-9]{3})"), "yyyy"); PATTERN_DATE.put(Pattern.compile("([1-2][0-9]{3})"), "yyyy");
} }
/** /**
* 将日期字符串转化成日期类型 * 将日期字符串转化成日期类型
*
* @param date * @param date
* @param fmt * @param fmt
* @return * @return
...@@ -83,23 +95,24 @@ public class DateUtil { ...@@ -83,23 +95,24 @@ public class DateUtil {
throw new RuntimeException(date + " parse to" + fmt, e); throw new RuntimeException(date + " parse to" + fmt, e);
} }
} }
/** /**
* 自动判断日期字符串格式并将其转化为日期类型 * 自动判断日期字符串格式并将其转化为日期类型
*
* @param str * @param str
* @return * @return
*/ */
public static Date parse(Object obj) { public static Date parse(Object obj) {
if(obj instanceof Date) { if (obj instanceof Date) {
return new Date(((Date)obj).getTime()); return new Date(((Date) obj).getTime());
} else { } else {
String str = String.valueOf(obj).trim(); String str = String.valueOf(obj).trim();
if(StringUtil.isNotEmpty(str)) { if (StringUtil.isNotEmpty(str)) {
for(Pattern pattern : PATTERN_DATE.keySet()) { for (Pattern pattern : PATTERN_DATE.keySet()) {
Matcher matcher = pattern.matcher(str); Matcher matcher = pattern.matcher(str);
if(matcher.find()) { if (matcher.find()) {
String date_str = matcher.group(1); String date_str = matcher.group(1);
if(PATTERN_DATE.get(pattern).equals(DateUtil.FMT_DATE_ISO)) { if (PATTERN_DATE.get(pattern).equals(DateUtil.FMT_DATE_ISO)) {
return parseISODate(date_str); return parseISODate(date_str);
} else { } else {
return parse(date_str, PATTERN_DATE.get(pattern)); return parse(date_str, PATTERN_DATE.get(pattern));
...@@ -110,27 +123,27 @@ public class DateUtil { ...@@ -110,27 +123,27 @@ public class DateUtil {
return null; return null;
} }
} }
public static Date parseISODate(String isoDate) { public static Date parseISODate(String isoDate) {
isoDate = isoDate.replace("T", " ").replace("Z", ""); isoDate = isoDate.replace("T", " ").replace("Z", "");
Date date = parse(isoDate); Date date = parse(isoDate);
java.util.Calendar cal = java.util.Calendar.getInstance(); java.util.Calendar cal = java.util.Calendar.getInstance();
cal.setTime(date); cal.setTime(date);
int zoneOffset = cal.get(java.util.Calendar.ZONE_OFFSET); int zoneOffset = cal.get(java.util.Calendar.ZONE_OFFSET);
int dstOffset = cal.get(java.util.Calendar.DST_OFFSET); int dstOffset = cal.get(java.util.Calendar.DST_OFFSET);
cal.add(Calendar.MILLISECOND, (zoneOffset + dstOffset)); cal.add(Calendar.MILLISECOND, (zoneOffset + dstOffset));
return cal.getTime(); return cal.getTime();
} }
public static boolean isDate(Object obj) { public static boolean isDate(Object obj) {
if(obj instanceof Date) { if (obj instanceof Date) {
return true; return true;
} else { } else {
String str = String.valueOf(obj); String str = String.valueOf(obj);
if(StringUtil.isNotEmpty(str)) { if (StringUtil.isNotEmpty(str)) {
String date_str = str.trim(); String date_str = str.trim();
for(Pattern pattern : PATTERN_DATE.keySet()) { for (Pattern pattern : PATTERN_DATE.keySet()) {
if(pattern.matcher(date_str).find()) { if (pattern.matcher(date_str).find()) {
return true; return true;
} }
} }
...@@ -138,33 +151,36 @@ public class DateUtil { ...@@ -138,33 +151,36 @@ public class DateUtil {
return false; return false;
} }
} }
/** /**
* 格式化日期为字符串 * 格式化日期为字符串
*
* @param date * @param date
* @param fmt * @param fmt
* @return * @return
*/ */
public static String format(Date date, String fmt) { public static String format(Date date, String fmt) {
if(date == null) { if (date == null) {
return null; return null;
} else { } else {
SimpleDateFormat sdf = new SimpleDateFormat(fmt); SimpleDateFormat sdf = new SimpleDateFormat(fmt);
return sdf.format(date); return sdf.format(date);
} }
} }
/** /**
* 格式化为yyyy-MM-dd格式 * 格式化为yyyy-MM-dd格式
* @param date 时间参数 *
* @param date 时间参数
* @return yyyy-MM-dd * @return yyyy-MM-dd
*/ */
public static String formatDate(Date date) { public static String formatDate(Date date) {
return format(date, DateUtil.FMT_DATE); return format(date, DateUtil.FMT_DATE);
} }
/** /**
* 格式化日期为yyyy-MM-dd HH:mm:ss格式 * 格式化日期为yyyy-MM-dd HH:mm:ss格式
*
* @param date * @param date
* @return yyyy-MM-dd HH:mm:ss * @return yyyy-MM-dd HH:mm:ss
*/ */
...@@ -172,27 +188,27 @@ public class DateUtil { ...@@ -172,27 +188,27 @@ public class DateUtil {
SimpleDateFormat sdf = new SimpleDateFormat(DateUtil.FMT_DATE_SECOND); SimpleDateFormat sdf = new SimpleDateFormat(DateUtil.FMT_DATE_SECOND);
return sdf.format(date); return sdf.format(date);
} }
public static String formatUTCDate(Date date) { public static String formatUTCDate(Date date) {
SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.ENGLISH); SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.ENGLISH);
dateFormat.setTimeZone(new SimpleTimeZone(0, "UTC")); dateFormat.setTimeZone(new SimpleTimeZone(0, "UTC"));
return dateFormat.format(date); return dateFormat.format(date);
} }
public static String formatGMTDate(Date date) { public static String formatGMTDate(Date date) {
SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.ENGLISH); SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.ENGLISH);
dateFormat.setTimeZone(new SimpleTimeZone(0, "GMT")); dateFormat.setTimeZone(new SimpleTimeZone(0, "GMT"));
return dateFormat.format(date); return dateFormat.format(date);
} }
/** /**
* 将毫秒数格式化成默认格式日期字符串 * 将毫秒数格式化成默认格式日期字符串 默认格式：yyyy-MM-dd HH:mm:ss
* 默认格式：yyyy-MM-dd HH:mm:ss *
* @param time * @param time
* @return * @return
*/ */
public static String format(Long time) { public static String format(Long time) {
if(time != null) { if (time != null) {
Date date = new Date(time); Date date = new Date(time);
SimpleDateFormat sdf = new SimpleDateFormat(DateUtil.FMT_DATE_SECOND); SimpleDateFormat sdf = new SimpleDateFormat(DateUtil.FMT_DATE_SECOND);
return sdf.format(date); return sdf.format(date);
...@@ -200,15 +216,16 @@ public class DateUtil { ...@@ -200,15 +216,16 @@ public class DateUtil {
return null; return null;
} }
} }
/** /**
* 将毫秒数格式化为制定格式的日期字符串 * 将毫秒数格式化为制定格式的日期字符串
*
* @param time * @param time
* @param fmt * @param fmt
* @return * @return
*/ */
public static String format(Long time, String fmt) { public static String format(Long time, String fmt) {
if(time != null) { if (time != null) {
Date date = new Date(time); Date date = new Date(time);
SimpleDateFormat sdf = new SimpleDateFormat(fmt); SimpleDateFormat sdf = new SimpleDateFormat(fmt);
return sdf.format(date); return sdf.format(date);
...@@ -218,26 +235,26 @@ public class DateUtil { ...@@ -218,26 +235,26 @@ public class DateUtil {
} }
/** /**
* 将毫秒数格式化为时间格式字符串 * 将毫秒数格式化为时间格式字符串 毫秒数必须小于86400000
* 毫秒数必须小于86400000 *
* @param time * @param time
* @return * @return
*/ */
public static String format(Integer time) { public static String format(Integer time) {
return format(time, DateUtil.FMT_TIME); return format(time, DateUtil.FMT_TIME);
} }
/** /**
* 将毫秒数格式化为时间格式字符串 * 将毫秒数格式化为时间格式字符串 毫秒数必须小于86400000
* 毫秒数必须小于86400000 *
* @param time * @param time
* @param fmt * @param fmt
* @return * @return
*/ */
public static String format(Integer time, String fmt) { public static String format(Integer time, String fmt) {
if(time != null) { if (time != null) {
if(time < 86400000) { if (time < 86400000) {
Date date = new Date(time - (1000*60*60*8)); Date date = new Date(time - (1000 * 60 * 60 * 8));
SimpleDateFormat sdf = new SimpleDateFormat(fmt); SimpleDateFormat sdf = new SimpleDateFormat(fmt);
return sdf.format(date); return sdf.format(date);
} else { } else {
...@@ -247,9 +264,10 @@ public class DateUtil { ...@@ -247,9 +264,10 @@ public class DateUtil {
return null; return null;
} }
} }
/** /**
* 计算指定时间当天的开始时间 * 计算指定时间当天的开始时间
*
* @param time * @param time
* @return * @return
* @throws ParseException * @throws ParseException
...@@ -258,59 +276,64 @@ public class DateUtil { ...@@ -258,59 +276,64 @@ public class DateUtil {
Long start = start(time == null ? new Date() : time).getTime(); Long start = start(time == null ? new Date() : time).getTime();
return new Date(start + HALF_DAY); return new Date(start + HALF_DAY);
} }
/** /**
* 计算指定时间当天的开始时间 * 计算指定时间当天的开始时间
*
* @param time * @param time
* @return * @return
* @throws ParseException * @throws ParseException
*/ */
public static Date start(Date time) { public static Date start(Date time) {
if(time != null) { if (time != null) {
return parse(format(time, DateUtil.FMT_DATE), DateUtil.FMT_DATE); return parse(format(time, DateUtil.FMT_DATE), DateUtil.FMT_DATE);
} else { } else {
return null; return null;
} }
} }
/** /**
* 计算指定日期当天的最后时间 * 计算指定日期当天的最后时间
*
* @param time * @param time
* @return * @return
* @throws ParseException * @throws ParseException
*/ */
public static Date end(Date time) { public static Date end(Date time) {
if(time != null) { if (time != null) {
return new Date(start(new Date(time.getTime() + (24L*60L*60L*1000L))).getTime()); return new Date(start(new Date(time.getTime() + (24L * 60L * 60L * 1000L))).getTime());
} else { } else {
return null; return null;
} }
} }
/** /**
* 取得当前时间向后或向前若干天的时间 * 取得当前时间向后或向前若干天的时间
*
* @param time * @param time
* @param offset * @param offset
* @return * @return
*/ */
public static Date day(Date time, Integer offset) { public static Date day(Date time, Integer offset) {
Date date = new Date(time.getTime() + (offset*86400000L)); Date date = new Date(time.getTime() + (offset * 86400000L));
return date; return date;
} }
/** /**
* 计算指定的日期是星期几，返回数字 周日至周六分别是0-6 * 计算指定的日期是星期几，返回数字 周日至周六分别是0-6
*
* @param date * @param date
* @return * @return
*/ */
public static Integer week(Date date) { public static Integer week(Date date) {
Calendar calendar = Calendar.getInstance(); Calendar calendar = Calendar.getInstance();
calendar.setTime(date); calendar.setTime(date);
return calendar.get(Calendar.DAY_OF_WEEK) - 1; return calendar.get(Calendar.DAY_OF_WEEK) - 1;
} }
/** /**
* 计算两天之间相隔多少天 * 计算两天之间相隔多少天
*
* @param start * @param start
* @param end * @param end
* @return * @return
...@@ -318,11 +341,12 @@ public class DateUtil { ...@@ -318,11 +341,12 @@ public class DateUtil {
public static Integer days(Date start, Date end) { public static Integer days(Date start, Date end) {
Date date_start = start(start); Date date_start = start(start);
Date date_end = start(end); Date date_end = start(end);
return (int)((date_end.getTime() - date_start.getTime()) / 86400000L); return (int) ((date_end.getTime() - date_start.getTime()) / 86400000L);
} }
/** /**
* 判断是否是今天 * 判断是否是今天
*
* @param date * @param date
* @return * @return
*/ */
...@@ -330,87 +354,93 @@ public class DateUtil { ...@@ -330,87 +354,93 @@ public class DateUtil {
Date today = new Date(); Date today = new Date();
Date start = start(today); Date start = start(today);
Date end = end(today); Date end = end(today);
if(date.getTime() >= start.getTime() && date.getTime() < end.getTime()) { if (date.getTime() >= start.getTime() && date.getTime() < end.getTime()) {
return true; return true;
} else { } else {
return false; return false;
} }
} }
/** /**
* 取得当前日期是多少周 * 取得当前日期是多少周
* @param date *
* @return * @param date
*/ * @return
*/
public static int getWeekOfYear(Date date) { public static int getWeekOfYear(Date date) {
Calendar c = new GregorianCalendar(); Calendar c = new GregorianCalendar();
c.setFirstDayOfWeek(Calendar.MONDAY); c.setFirstDayOfWeek(Calendar.MONDAY);
c.setMinimalDaysInFirstWeek(7); c.setMinimalDaysInFirstWeek(7);
c.setTime (date); c.setTime(date);
return c.get(Calendar.WEEK_OF_YEAR); return c.get(Calendar.WEEK_OF_YEAR);
} }
/** /**
* 得到某一年周的总数 * 得到某一年周的总数
* @param year *
* @return * @param year
*/ * @return
public static int getMaxWeekNumOfYear(int year) { */
public static int getMaxWeekNumOfYear(int year) {
Calendar c = new GregorianCalendar(); Calendar c = new GregorianCalendar();
c.set(year, Calendar.DECEMBER, 31, 23, 59, 59); c.set(year, Calendar.DECEMBER, 31, 23, 59, 59);
return getWeekOfYear(c.getTime()); return getWeekOfYear(c.getTime());
} }
/** /**
* 得到某年某周的第一天 * 得到某年某周的第一天
* @param year *
* @param week * @param year
* @return * @param week
*/ * @return
*/
public static Date getFirstDayOfWeek(int year, int week) { public static Date getFirstDayOfWeek(int year, int week) {
Calendar c = new GregorianCalendar(); Calendar c = new GregorianCalendar();
c.set(Calendar.YEAR, year); c.set(Calendar.YEAR, year);
c.set (Calendar.MONTH, Calendar.JANUARY); c.set(Calendar.MONTH, Calendar.JANUARY);
c.set(Calendar.DATE, 1); c.set(Calendar.DATE, 1);
Calendar cal = (GregorianCalendar) c.clone(); Calendar cal = (GregorianCalendar) c.clone();
cal.add(Calendar.DATE, week * 7); cal.add(Calendar.DATE, week * 7);
return getFirstDayOfWeek(cal.getTime ()); return getFirstDayOfWeek(cal.getTime());
} }
/** /**
* 得到某年某周的最后一天 * 得到某年某周的最后一天
* @param year *
* @param week * @param year
* @return * @param week
*/ * @return
*/
public static Date getLastDayOfWeek(int year, int week) { public static Date getLastDayOfWeek(int year, int week) {
Calendar c = new GregorianCalendar(); Calendar c = new GregorianCalendar();
c.set(Calendar.YEAR, year); c.set(Calendar.YEAR, year);
c.set(Calendar.MONTH, Calendar.JANUARY); c.set(Calendar.MONTH, Calendar.JANUARY);
c.set(Calendar.DATE, 1); c.set(Calendar.DATE, 1);
Calendar cal = (GregorianCalendar) c.clone(); Calendar cal = (GregorianCalendar) c.clone();
cal.add(Calendar.DATE , week * 7); cal.add(Calendar.DATE, week * 7);
return getLastDayOfWeek(cal.getTime()); return getLastDayOfWeek(cal.getTime());
} }
/** /**
* 取得当前日期所在周的第一天 * 取得当前日期所在周的第一天
* @param date *
* @return * @param date
*/ * @return
public static Date getFirstDayOfWeek(Date date) { */
public static Date getFirstDayOfWeek(Date date) {
Calendar c = new GregorianCalendar(); Calendar c = new GregorianCalendar();
c.setFirstDayOfWeek(Calendar.MONDAY); c.setFirstDayOfWeek(Calendar.MONDAY);
c.setTime(date); c.setTime(date);
c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek()); // Monday c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek()); // Monday
return c.getTime (); return c.getTime();
} }
/** /**
* 取得当前日期所在周的最后一天 * 取得当前日期所在周的最后一天
* @param date *
* @return * @param date
*/ * @return
*/
public static Date getLastDayOfWeek(Date date) { public static Date getLastDayOfWeek(Date date) {
Calendar c = new GregorianCalendar(); Calendar c = new GregorianCalendar();
c.setFirstDayOfWeek(Calendar.MONDAY); c.setFirstDayOfWeek(Calendar.MONDAY);
...@@ -418,67 +448,70 @@ public class DateUtil { ...@@ -418,67 +448,70 @@ public class DateUtil {
c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek() + 6); c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek() + 6);
return c.getTime(); return c.getTime();
} }
/** /**
* 取得当前日期所在月的第一天 * 取得当前日期所在月的第一天
*
* @param date * @param date
* @return * @return
*/ */
public static Date getFirstDayOfMonth(Date date){ public static Date getFirstDayOfMonth(Date date) {
Calendar c = Calendar.getInstance(); Calendar c = Calendar.getInstance();
c.add(Calendar.MONTH, 0); c.add(Calendar.MONTH, 0);
c.set(Calendar.DAY_OF_MONTH,1);//设置为1号,当前日期既为本月第一天 c.set(Calendar.DAY_OF_MONTH, 1);// 设置为1号,当前日期既为本月第一天
return c.getTime(); return c.getTime();
} }
/**
 * 获取指定日期下个月的第一天 的日期 /**
* @param dateStr *
* @param format *  * 获取指定日期下个月的第一天 的日期
* @return *
*/ * @param dateStr
public static String getFirstDayOfNextMonth(String dateStr,String format){ * @param format
* @return
*/
public static String getFirstDayOfNextMonth(String dateStr, String format) {
SimpleDateFormat sdf = new SimpleDateFormat(format); SimpleDateFormat sdf = new SimpleDateFormat(format);
try { try {
Date date = sdf.parse(dateStr); Date date = sdf.parse(dateStr);
Calendar calendar = Calendar.getInstance(); Calendar calendar = Calendar.getInstance();
calendar.setTime(date); calendar.setTime(date);
calendar.set(Calendar.DAY_OF_MONTH,1); calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.add(Calendar.MONTH, 1); calendar.add(Calendar.MONTH, 1);
return sdf.format(calendar.getTime()); return sdf.format(calendar.getTime());
} catch (ParseException e) { } catch (ParseException e) {
e.printStackTrace(); e.printStackTrace();
} }
return null; return null;
} }
public static String getLastMonth(String format,int month) { public static String getLastMonth(String format, int month) {
try { try {
SimpleDateFormat sdf = new SimpleDateFormat(format); SimpleDateFormat sdf = new SimpleDateFormat(format);
//获取前一个月第一天 // 获取前一个月第一天
Calendar calendar1 = Calendar.getInstance(); Calendar calendar1 = Calendar.getInstance();
calendar1.add(Calendar.MONTH, month); calendar1.add(Calendar.MONTH, month);
calendar1.set(Calendar.DAY_OF_MONTH,1); calendar1.set(Calendar.DAY_OF_MONTH, 1);
return sdf.format(calendar1.getTime()); return sdf.format(calendar1.getTime());
} catch (Exception e) { } catch (Exception e) {
e.printStackTrace(); e.printStackTrace();
} }
return null; return null;
} }
public static String getTimeStamp() { public static String getTimeStamp() {
return String.valueOf(System.currentTimeMillis() / 1000); return String.valueOf(System.currentTimeMillis() / 1000);
} }
/** /**
* 获取指定小时前的日期 * 获取指定小时前的日期
*/ */
public static String beforeHourDay(String fmt,int hour) { public static String beforeHourDay(String fmt, int hour) {
Calendar calendar = Calendar.getInstance(); Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY) - hour); calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY) - hour);
return format(calendar.getTime(), fmt); return format(calendar.getTime(), fmt);
} }
/** /**
* 取得当前时间向后或向前若干天的时间 * 取得当前时间向后或向前若干天的时间
* *
...@@ -490,7 +523,7 @@ public class DateUtil { ...@@ -490,7 +523,7 @@ public class DateUtil {
Date date = new Date(new Date().getTime() + (offset * 86400000L)); Date date = new Date(new Date().getTime() + (offset * 86400000L));
return format(date, fmt); return format(date, fmt);
} }
/** /**
* 获取两个日期字符串之间的日期集合 * 获取两个日期字符串之间的日期集合
* @param startTime:String * @param startTime:String
...@@ -522,6 +555,26 @@ public class DateUtil { ...@@ -522,6 +555,26 @@ public class DateUtil {
e.printStackTrace(); e.printStackTrace();
} }
return list; return list;
} }
/**
* 时间加8小时，时区问题
* <p>Title: </p>
* <p>Description: </p>
* @param time
* @return
*/
public static String formatTimeEight(String time) {
String newTime = time;
try {
SimpleDateFormat sdf = new SimpleDateFormat(FMT_DATE_SECOND);
Date d = sdf.parse(time);
long rightTime = (long) (d.getTime() + 8 *60 * 60 * 1000);
newTime = sdf.format(rightTime);
} catch (ParseException e) {
e.printStackTrace();
}
return newTime;
}
} }
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