DateUtils.java 6.2 KB

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  1. package com.ruoyi.common.utils;
  2. import java.lang.management.ManagementFactory;
  3. import java.text.ParseException;
  4. import java.text.SimpleDateFormat;
  5. import java.time.LocalDate;
  6. import java.time.LocalDateTime;
  7. import java.time.LocalTime;
  8. import java.time.ZoneId;
  9. import java.time.ZonedDateTime;
  10. import java.time.format.DateTimeFormatter;
  11. import java.time.temporal.TemporalAdjusters;
  12. import java.util.Calendar;
  13. import java.util.Date;
  14. import org.apache.commons.lang3.time.DateFormatUtils;
  15. /**
  16. * 时间工具类
  17. *
  18. * @author ruoyi
  19. */
  20. public class DateUtils extends org.apache.commons.lang3.time.DateUtils
  21. {
  22. public static String YYYY = "yyyy";
  23. public static String MM = "MM";
  24. public static String YYYY_MM = "yyyy-MM";
  25. public static String YYYY_MM_DD = "yyyy-MM-dd";
  26. public static String YYYYMMDD = "yyyyMMdd";
  27. public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
  28. public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
  29. public static String YYYYnMMyDDrHH_MM_SS = "yyyy年MM月dd日 HH:mm:ss";
  30. private static String[] parsePatterns = {
  31. "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
  32. "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
  33. "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
  34. /**
  35. * 获取当前Date型日期
  36. *
  37. * @return Date() 当前日期
  38. */
  39. public static Date getNowDate()
  40. {
  41. return new Date();
  42. }
  43. /**
  44. * 获取当前日期, 默认格式为yyyy-MM-dd
  45. *
  46. * @return String
  47. */
  48. public static String getDate()
  49. {
  50. return dateTimeNow(YYYY_MM_DD);
  51. }
  52. public static final String getTime()
  53. {
  54. return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
  55. }
  56. public static final String dateTimeNow()
  57. {
  58. return dateTimeNow(YYYYMMDDHHMMSS);
  59. }
  60. public static final String dateTimeNow(final String format)
  61. {
  62. return parseDateToStr(format, new Date());
  63. }
  64. public static final String dateTime(final Date date)
  65. {
  66. return parseDateToStr(YYYY_MM_DD, date);
  67. }
  68. public static final String parseDateToStr(final String format, final Date date)
  69. {
  70. return new SimpleDateFormat(format).format(date);
  71. }
  72. public static final String parseStrYYYYnMMyDDrHH_MM_SS(final Date date)
  73. {
  74. return new SimpleDateFormat(YYYYnMMyDDrHH_MM_SS).format(date);
  75. }
  76. public static final Date dateTime(final String format, final String ts)
  77. {
  78. try
  79. {
  80. return new SimpleDateFormat(format).parse(ts);
  81. }
  82. catch (ParseException e)
  83. {
  84. throw new RuntimeException(e);
  85. }
  86. }
  87. /**
  88. * 日期路径 即年/月/日 如2018/08/08
  89. */
  90. public static final String datePath()
  91. {
  92. Date now = new Date();
  93. return DateFormatUtils.format(now, "yyyy/MM/dd");
  94. }
  95. /**
  96. * 日期路径 即年/月/日 如20180808
  97. */
  98. public static final String dateTime()
  99. {
  100. Date now = new Date();
  101. return DateFormatUtils.format(now, "yyyyMMdd");
  102. }
  103. /**
  104. * 日期型字符串转化为日期 格式
  105. */
  106. public static Date parseDate(Object str)
  107. {
  108. if (str == null)
  109. {
  110. return null;
  111. }
  112. try
  113. {
  114. return parseDate(str.toString(), parsePatterns);
  115. }
  116. catch (ParseException e)
  117. {
  118. return null;
  119. }
  120. }
  121. /**
  122. * 获取服务器启动时间
  123. */
  124. public static Date getServerStartDate()
  125. {
  126. long time = ManagementFactory.getRuntimeMXBean().getStartTime();
  127. return new Date(time);
  128. }
  129. /**
  130. * 计算相差天数
  131. */
  132. public static int differentDaysByMillisecond(Date date1, Date date2)
  133. {
  134. return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
  135. }
  136. /**
  137. * 计算时间差
  138. *
  139. * @param endDate 最后时间
  140. * @param startTime 开始时间
  141. * @return 时间差(天/小时/分钟)
  142. */
  143. public static String timeDistance(Date endDate, Date startTime)
  144. {
  145. long nd = 1000 * 24 * 60 * 60;
  146. long nh = 1000 * 60 * 60;
  147. long nm = 1000 * 60;
  148. // long ns = 1000;
  149. // 获得两个时间的毫秒时间差异
  150. long diff = endDate.getTime() - startTime.getTime();
  151. // 计算差多少天
  152. long day = diff / nd;
  153. // 计算差多少小时
  154. long hour = diff % nd / nh;
  155. // 计算差多少分钟
  156. long min = diff % nd % nh / nm;
  157. // 计算差多少秒//输出结果
  158. // long sec = diff % nd % nh % nm / ns;
  159. return day + "天" + hour + "小时" + min + "分钟";
  160. }
  161. /**
  162. * 增加 LocalDateTime ==> Date
  163. */
  164. public static Date toDate(LocalDateTime temporalAccessor)
  165. {
  166. ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
  167. return Date.from(zdt.toInstant());
  168. }
  169. /**
  170. * 增加 LocalDate ==> Date
  171. */
  172. public static Date toDate(LocalDate temporalAccessor)
  173. {
  174. LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
  175. ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
  176. return Date.from(zdt.toInstant());
  177. }
  178. public static String firsDayOfMonth(Integer year,Integer month){
  179. LocalDateTime date = null;
  180. if (year!=null && month!=null){
  181. date=LocalDateTime.of(year,month,1,0,0);
  182. }else {
  183. date = LocalDateTime.now();
  184. }
  185. date = date.with(TemporalAdjusters.firstDayOfMonth());
  186. return date.format(DateTimeFormatter.ofPattern(YYYY_MM_DD));
  187. }
  188. public static String lastDayOfMonth(Integer year,Integer month){
  189. LocalDateTime date=null;
  190. if (year!=null && month!=null){
  191. date=LocalDateTime.of(year,month,1,0,0);
  192. }else {
  193. date = LocalDateTime.now();
  194. }
  195. date = date.with(TemporalAdjusters.lastDayOfMonth());
  196. return date.format(DateTimeFormatter.ofPattern(YYYY_MM_DD));
  197. }
  198. public static int getWeeks(String dates) {
  199. Calendar cal=Calendar.getInstance();
  200. cal.setTime(parseDate(dates));
  201. return cal.get(Calendar.DAY_OF_WEEK)-1;
  202. }
  203. }