|  |  | 
 |  |  |             throw e; | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |     public static String getTimeStrBySecond(Long seconds)  { | 
 |  |  |         String returnTime ="0时0分0秒"; | 
 |  |  |         long longHour = 0; | 
 |  |  |         long longMinu = 0; | 
 |  |  |         long longSec =seconds ==null?0:seconds; | 
 |  |  |         try { | 
 |  |  |             if (longSec == 0) { | 
 |  |  |                 returnTime = "0时0分0秒"; | 
 |  |  |                 return returnTime; | 
 |  |  |             } | 
 |  |  |             longHour = longSec / 3600; // 取得小时数 | 
 |  |  |             longSec = longSec % 3600; // 取得余下的秒 | 
 |  |  |             longMinu = longSec / 60; // 取得分数 | 
 |  |  |             longSec = longSec % 60; // 取得余下的秒 | 
 |  |  |             returnTime = longHour + "时" + longMinu + "分" + longSec + "秒"; | 
 |  |  |             return returnTime; | 
 |  |  |         } catch (Exception e) { | 
 |  |  |               e.printStackTrace(); | 
 |  |  |         } | 
 |  |  |         return returnTime; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * Descrption:取得当前日期,格式为:yyyy-MM-dd HH:mm:ss | 
 |  |  | 
 |  |  |     } | 
 |  |  |     public static Date getFirstThisYearDate() { | 
 |  |  |         try { | 
 |  |  |             return sdfShort.parse( getNowShortDate().substring(0, 4) + "0101"); | 
 |  |  |             return sdfLong.parse( getNowShortDate().substring(0, 4) + "-01-01"); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public static Date getFirstThisMonthDate() { | 
 |  |  |         try { | 
 |  |  |             return sdfLong.parse( getNowFormateDate().substring(0, 7) + "-01"); | 
 |  |  |         } catch (Exception e) { | 
 |  |  |             return null; | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     public static String getFirstDayCurrentMonth() { | 
 |  |  |         try { | 
 |  |  |             return getDateLong(new Date()).substring(0, 7) + "-01"; | 
 |  |  | 
 |  |  | //            Date date1 = getISO8601DateByStr("2024-06-14T08:46:36.014+08:00"); | 
 |  |  | //            System.out.println(DateUtil.afterMinutesDate(-5)); | 
 |  |  |  | 
 |  |  |             System.out.println(DateUtil.getFirstThisMonthDate()); | 
 |  |  |  | 
 |  |  |             System.out.println(getPlusTime2(DateUtil.addMonthToDate(new Date(),-1))); | 
 |  |  | //            System.out.println(getPlusTime2(DateUtil.addMonthToDate(new Date(),-1))); | 
 |  |  | //            System.out.println(DateUtil.getBeforMonthStr(new Date(),12)); | 
 |  |  |  | 
 |  |  | //            List<Date> list =getThisMonthDateList(); | 
 |  |  | 
 |  |  |         gc.setTime(date); | 
 |  |  |         return gc.get(2) + 1; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public static int getNowDayNum(){ | 
 |  |  |         // 获取Calendar实例 | 
 |  |  |         Calendar calendar = Calendar.getInstance(); | 
 |  |  |         return calendar.get(Calendar.DAY_OF_MONTH); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |  | 
 |  |  |  | 
 |  |  | } |