基于ssm框架前后端分离的简历管理系统源代码+数据库,javaweb课程设计

package com.test.utils; import org.apache.commons.lang3.StringUtils; import org.joda.time.*; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import java.text.ParseException; import java.text.SimpleDateFormat; import java.time.temporal.ChronoUnit; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; /** * @version V1.0 * @File: DateUtils * @Description: 常用的时间处理方法集合工具类 * @author: aitree */ public class DateUtils { /** * 时间格式常量 */ public static final String COMMON_PATTERN = "yyyy-MM-dd HH:mm:ss"; public static final String COMMON_PATTERN_TYPE2 = "yyyy/MM/dd HH:mm:ss"; public static final String SHORT_PATTERN = "yyyy-MM-dd"; public static final String SHORT_PATTERN_TYPE2 = "yyyy/MM/dd"; public static final String LONG_PATTERN = "yyyy-MM-dd HH:mm:ss.SSS"; public static final String SUP_SHORT_PATTERN = "yyyyMMdd"; public static final String SUP_LONG_PATTERN = "yyyyMMddHHmmss"; public static final String YEAR_MONTH = "yyyyMM"; public static final String CN_SHORT_PATTERN = "yyyy年MM月dd日"; public static final String DDMM_PATTERN = "ddMM"; /** * 1、将 String 解析为 date * * @param dateString 待解析的日期字符串 * @param pattern 日期字符串的时间格式 * @return */ public static Date trans2Date(String dateString, String pattern) { String fRTN = StringUtils.isNotBlank(pattern) ? pattern : COMMON_PATTERN; DateTimeFormatter format = DateTimeFormat.forPattern(fRTN); DateTime dt = DateTime.parse(dateString, format); return dt.toDate(); } public static String formatDate2String(String dateString, String fromPattern, String toPattern) { String tRTN = StringUtils.isNotBlank(toPattern) ? toPattern : COMMON_PATTERN; DateTimeFormatter format = DateTimeFormat.forPattern(fromPattern); DateTime dt = DateTime.parse(dateString, format); return dt.toString(tRTN); } /** * 3、Date类型日期转字符串格式化输出 * * @param date 待格式化的日期 * @param pattern 格式化后的格式 * @return */ public static String formatDate2String(Date date, String pattern) { String fRTN = StringUtils.isNotBlank(pattern) ? pattern : COMMON_PATTERN; DateTimeFormatter format = DateTimeFormat.forPattern(fRTN); return new DateTime(date).toString(format); } /** * 4、增加天数后的Date日期 * * @param date 起点日期（date/string） * @param daysCount 增加天数 * @return */ public static <T> Date add(T date, int daysCount) { DateTime dt = new DateTime(date); return dt.plusDays(daysCount).toDate(); } /** * 5、计算日期{@link Date}增加某天数后的Date类型日期 * * @param d Date * @param amountToAdd 天数增加值 * @return Date */ // public static Date plusDays(Date d, long amountToAdd) { // return toDate(plusDays(toLocalDateTime(d), amountToAdd)); // } // public static LocalDateTime plusDays(LocalDateTime ldt, long amountToAdd) { // return ldt.plusDays(amountToAdd); // } /** *6、减少天数后的日期 * * @param date 起点日期（date/string） * @param daysCount 减少的天数 * @return */ public static <T> Date sub(T date, int daysCount) { DateTime dt = new DateTime(date); return dt.minusDays(daysCount).toDate(); } /** * 7、增加月数后的日期 * * @param date 起点日期（date/string） * @param months 增加月数 * @return */ public static <T> Date addMonths(T date, int months) { DateTime dt = new DateTime(date); return dt.plusMonths(months).toDate(); } public static <T> Date subMonths(T date, int months) { DateTime dt = new DateTime(date); return dt.minusMonths(months).toDate(); } public static <T> Date subYears(T date, int years) { DateTime dt = new DateTime(date); return dt.minusYears(years).toDate(); } /** * 10、计算月份差 * @param lastRepaymentDate * @param fundLoanDate * @return */ public static int getMonthParse(String lastRepaymentDate, String fundLoanDate) throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd"); Calendar bef = Calendar.getInstance(); Calendar aft = Calendar.getInstance(); bef.setTime(sdf.parse(fundLoanDate)); aft.setTime(sdf.parse(lastRepaymentDate)); int result = aft.get(Calendar.MONTH) - bef.get(Calendar.MONTH); int month = (aft.get(Calendar.YEAR) - bef.get(Calendar.YEAR))*12; return month+result; } /** * 11、计算两个日期的间隔天数 * 目前不对两个日期比较大小，如放错顺序，则结果为负数的天数 * * @param dateMin 起点日期（date/string） * @param dateMax 结束日期（date/string） * @return */ public static <T> int betweenDays(T dateMin, T dateMax) { LocalDate start = new LocalDate(dateMin); LocalDate end = new LocalDate(dateMax); return Days.daysBetween(start, end).getDays(); } /** * 12、计算两个时间的毫秒间隔 * 目前不对两个时间参数比较大小，如放错顺序，则结果为负数的毫秒间隔 * * @param dateMin 起点日期（date/string） * @param dateMax 结束日期（date/string） * @return */ public static <T> long betweenMs(T dateMin, T dateMax) { DateTime start = new DateTime(dateMin); DateTime end = new DateTime(dateMax); return end.getMillis() - start.getMillis(); } /** * 13、判断是否为交易日/工作日 * * @param date 待判断日期（date/string） * @return */ public static <T> boolean isTradeDay(T date) { boolean isTD = false; DateTime dt = new DateTime(date); if (isSpWorkDay(dt) || (!isHoliday(dt) && !isWeekEnd(dt))) { isTD = true; } return isTD; } //14、判断是否是周末*/ private static boolean isWeekEnd(DateTime dt) { boolean isWE = false; int wd = dt.dayOfWeek().get(); switch (wd) { case 6: case 7: isWE = true; break; default: break; } return isWE; } //15、判断是否为国家法定节假日*/ private static boolean isHoliday(DateTime dt) { boolean isHD = false; //TODO：get days from redis List<String> holidayList = new ArrayList<String>(); if (holidayList != null) { for (String holiday : holidayList) { if (dt.isEqual(new DateTime(holiday))) { isHD = true; break; } } } return isHD; } //16、判断是否为国家调整后的工作日*/ private static boolean isSpWorkDay(DateTime dt) { boolean isSpWD = false; //TODO：get days from redis List<String> spWorkDayList = new ArrayList<String>(); if (spWorkDayList != null) { for (String spWorkDay : spWorkDayList) { if (dt.isEqual(new DateTime(spWorkDay))) { isSpWD = true; break; } } } return isSpWD; } public static final Date diffDate(Date aDate, int field, int diff) { Calendar cal = Calendar.getInstance(); cal.setTime(aDate); cal.add(field, diff); return cal.getTime();