货需导入

src/main/java/com/sfa/common/core/utils/DateUtils.java

 package com.sfa.common.core.utils;
 
+import org.apache.commons.lang3.time.DateFormatUtils;
+
 import java.lang.management.ManagementFactory;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
-import java.time.LocalTime;
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
+import java.time.*;
 import java.util.Calendar;
 import java.util.Date;
-import org.apache.commons.lang3.time.DateFormatUtils;
 
 /**
  * 时间工具类
  *
  * @author ruoyi
  */
-public class DateUtils extends org.apache.commons.lang3.time.DateUtils
-{
+public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
     public static String HH_MM_SS_0 = "yyyy-MM-dd 00:00:00";
     public static String YYYY = "yyyy";
 
@@ -40,8 +36,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
      *
      * @return Date() 当前日期
      */
-    public static Date getNowDate()
-    {
+    public static Date getNowDate() {
         return new Date();
     }
 
@@ -50,44 +45,34 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
      *
      * @return String
      */
-    public static String getDate()
-    {
+    public static String getDate() {
         return dateTimeNow(YYYY_MM_DD);
     }
 
-    public static final String getTime()
-    {
+    public static final String getTime() {
         return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
     }
 
-    public static final String dateTimeNow()
-    {
+    public static final String dateTimeNow() {
         return dateTimeNow(YYYYMMDDHHMMSS);
     }
 
-    public static final String dateTimeNow(final String format)
-    {
+    public static final String dateTimeNow(final String format) {
         return parseDateToStr(format, new Date());
     }
 
-    public static final String dateTime(final Date date)
-    {
+    public static final String dateTime(final Date date) {
         return parseDateToStr(YYYY_MM_DD, date);
     }
 
-    public static final String parseDateToStr(final String format, final Date date)
-    {
+    public static final String parseDateToStr(final String format, final Date date) {
         return new SimpleDateFormat(format).format(date);
     }
 
-    public static final Date dateTime(final String format, final String ts)
-    {
-        try
-        {
+    public static final Date dateTime(final String format, final String ts) {
+        try {
             return new SimpleDateFormat(format).parse(ts);
-        }
-        catch (ParseException e)
-        {
+        } catch (ParseException e) {
             throw new RuntimeException(e);
         }
     }
@@ -95,8 +80,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
     /**
      * 日期路径 即年/月/日 如2018/08/08
      */
-    public static final String datePath()
-    {
+    public static final String datePath() {
         Date now = new Date();
         return DateFormatUtils.format(now, "yyyy/MM/dd");
     }
@@ -104,8 +88,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
     /**
      * 日期路径 即年/月/日 如20180808
      */
-    public static final String dateTime()
-    {
+    public static final String dateTime() {
         Date now = new Date();
         return DateFormatUtils.format(now, "yyyyMMdd");
     }
@@ -113,18 +96,13 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
     /**
      * 日期型字符串转化为日期 格式
      */
-    public static Date parseDate(Object str)
-    {
-        if (str == null)
-        {
+    public static Date parseDate(Object str) {
+        if (str == null) {
             return null;
         }
-        try
-        {
+        try {
             return parseDate(str.toString(), parsePatterns);
-        }
-        catch (ParseException e)
-        {
+        } catch (ParseException e) {
             return null;
         }
     }
@@ -132,8 +110,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
     /**
      * 获取服务器启动时间
      */
-    public static Date getServerStartDate()
-    {
+    public static Date getServerStartDate() {
         long time = ManagementFactory.getRuntimeMXBean().getStartTime();
         return new Date(time);
     }
@@ -145,8 +122,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
      * @param startTime 开始时间
      * @return 时间差（天/小时/分钟）
      */
-    public static String timeDistance(Date endDate, Date startTime)
-    {
+    public static String timeDistance(Date endDate, Date startTime) {
         long nd = 1000 * 24 * 60 * 60;
         long nh = 1000 * 60 * 60;
         long nm = 1000 * 60;
@@ -167,8 +143,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
     /**
      * 增加 LocalDateTime ==> Date
      */
-    public static Date toDate(LocalDateTime temporalAccessor)
-    {
+    public static Date toDate(LocalDateTime temporalAccessor) {
         ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
         return Date.from(zdt.toInstant());
     }
@@ -176,8 +151,7 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
     /**
      * 增加 LocalDate ==> Date
      */
-    public static Date toDate(LocalDate temporalAccessor)
-    {
+    public static Date toDate(LocalDate temporalAccessor) {
         LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
         ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
         return Date.from(zdt.toInstant());
@@ -185,24 +159,43 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
 
     /**
      * 获取今天开始时间00：00：00
+     *
      * @return
      */
-    public static Date dateStart(Date date){
+    public static Date dateStart(Date date) {
         Calendar start = Calendar.getInstance();
         start.setTime(date);
-        start.set( Calendar.HOUR_OF_DAY,0);
-        start.set( Calendar.MINUTE, 0);
-        start.set( Calendar.SECOND,0);
-        start.set( Calendar.MILLISECOND,0);
+        start.set(Calendar.HOUR_OF_DAY, 0);
+        start.set(Calendar.MINUTE, 0);
+        start.set(Calendar.SECOND, 0);
+        start.set(Calendar.MILLISECOND, 0);
         return start.getTime();
     }
 
     /**
      * 获取今天增加天数后的结束时间23：59：59
+     *
+     * @return
+     */
+    public static Date dateStart(int day) {
+        Date date = dateStart(new Date());
+        return DateUtils.addMilliseconds(DateUtils.addDays(date, day), -1000);
+    }
+
+    /**
+     * 计算当前日期在当月属于第几周
+     * 以周一到周日为一周，不跨月计算
+     * @param date
      * @return
      */
-    public static Date dateStart(int day){
-        Date date=dateStart(new Date());
-        return DateUtils.addMilliseconds(DateUtils.addDays(date,day),-1000);
+    public static int calculateWeekNumber(LocalDate date) {
+        // 获取当月第一天
+        LocalDate firstDayOfMonth = date.withDayOfMonth(1);
+        // 计算当月第一天是星期几（1 代表星期一，7 代表星期日）
+        int firstDayWeekday = firstDayOfMonth.getDayOfWeek().getValue();
+        // 计算给定日期与当月第一天的天数差
+        int daysSinceFirstDay = date.getDayOfMonth() - 1;
+        // 计算给定日期所在周数（从 1 开始）
+        return (daysSinceFirstDay + firstDayWeekday) / 7 + 1;
     }
 }

src/main/java/com/sfa/common/core/utils/StringUtils.java

 package com.sfa.common.core.utils;
 
+import com.sfa.common.core.constant.Constants;
+import com.sfa.common.core.text.StrFormatter;
+import org.apache.commons.lang3.ObjectUtils;
+import org.springframework.util.AntPathMatcher;
+
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
-import org.springframework.util.AntPathMatcher;
-import com.sfa.common.core.constant.Constants;
-import com.sfa.common.core.text.StrFormatter;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * 字符串工具类
@@ -604,4 +608,21 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
         }
         return sb.toString();
     }
+
+    /**
+     * 从文字中获取数字部分
+     * @param text
+     * @return
+     */
+    public static Long getNumberFromStr(String text) {
+        if (ObjectUtils.isEmpty(text)) {
+            return null;
+        }
+        Pattern pattern = Pattern.compile("\\d");
+        Matcher matcher = pattern.matcher(text);
+        while (matcher.find()) {
+            return Long.valueOf(matcher.group());
+        }
+        return null;
+    }
 }

src/main/java/com/sfa/common/core/utils/poi/ExcelUtil.java

@@ -1536,4 +1536,22 @@ public class ExcelUtil<T>
         }
         return method;
     }
+
+    /**
+     * 获取下标对应的列的英文名称
+     * @param columnNumber
+     * @return
+     */
+    public static String convertToExcelColumn(int columnNumber) {
+        StringBuilder columnName = new StringBuilder();
+
+        while (columnNumber > 0) {
+            int remainder = (columnNumber - 1) % 26;
+            char letter = (char) ('A' + remainder);
+            columnName.insert(0, letter);
+            columnNumber = (columnNumber - 1) / 26;
+        }
+
+        return columnName.toString();
+    }
 }