java 工具类日期工具类

1.DateTimeHelper.java

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package cn.togeek.util;   import cn.hutool.core.date.LocalDateTimeUtil; import cn.hutool.core.lang.Pair; import cn.hutool.core.util.NumberUtil; import cn.hutool.http.HttpUtil; import com.alibaba.fastjson.JSONObject; import com.google.common.collect.Lists;   import cn.togeek.enums.DateType;   import java.nio.charset.Charset; import java.time.DayOfWeek; import java.time.Instant; import java.time.LocalDate; import java.time.LocalDateTime; import java.time.LocalTime; import java.time.YearMonth; import java.time.ZoneId; import java.time.ZonedDateTime; import java.time.format.DateTimeFormatter; import java.time.temporal.ChronoUnit; import java.time.temporal.TemporalAdjusters; import java.util.ArrayList; import java.util.Arrays; import java.util.Date; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import java.util.function.Function; import java.util.stream.Collectors; import java.util.stream.IntStream;   public class DateTimeHelper {    public static final String DATE_PATTERN = "yyyy-MM-dd";    public static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern(DATE_PATTERN);      public static final String DATE_STR_PATTERN = "yyyy年MM月dd日";      public static final DateTimeFormatter DATE_STR_FORMATTER = DateTimeFormatter.ofPattern(DATE_STR_PATTERN);      public static final String DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";    public static final DateTimeFormatter DATETIME_FORMATTER = DateTimeFormatter.ofPattern(DATETIME_PATTERN);      public static final String DATETIME_96_PATTERN = "MMdd HH:mm";      public static final DateTimeFormatter DATETIME_96_FORMATTER = DateTimeFormatter.ofPattern(DATETIME_96_PATTERN);      public static final String TIME_HM_PATTERN = "HH:mm";      public static final DateTimeFormatter DATETIME_96_TIME_FORMATTER = DateTimeFormatter.ofPattern(TIME_HM_PATTERN);      public static final DateTimeFormatter TIME_HM_FORMATTER = DateTimeFormatter.ofPattern(TIME_HM_PATTERN);      public static final String DATE_96_PATTERN = "MMdd ";      public static final DateTimeFormatter DATE_96_FORMATTER = DateTimeFormatter.ofPattern(DATE_96_PATTERN);      public static final String MONTH_DAY_PATTERN = "MM月dd日 ";      public static final DateTimeFormatter MONTH_DAY_FORMATTER = DateTimeFormatter.ofPattern(MONTH_DAY_PATTERN);      public static final String END_TIME_STR = "24:00";      private static final Map<String, DateTimeFormatter> formatters = new HashMap<>();      static {       formatters.put(DATE_PATTERN, DATE_FORMATTER);       formatters.put(DATETIME_PATTERN, DATETIME_FORMATTER);    }      private DateTimeHelper() {    }      public static LocalDate date2LocalDate(Date date) {       Instant instant = date.toInstant();       ZoneId zoneId = ZoneId.systemDefault();       return instant.atZone(zoneId).toLocalDate();    }      public static LocalDateTime date2LocalDateTime(Date date) {       Instant instant = date.toInstant();       ZoneId zoneId = ZoneId.systemDefault();       return instant.atZone(zoneId).toLocalDateTime();    }      public static LocalDateTime text2LocalDateTime(String timeText) {       return text2LocalDateTime(timeText, null);    }      public static LocalDateTime text2LocalDateTime(String timeText, String pattern) {       pattern = pattern == null ? DATETIME_PATTERN : pattern;       if(formatters.get(pattern) == null) {          formatters.put(pattern, DateTimeFormatter.ofPattern(pattern));       }         return LocalDateTime.parse(timeText, formatters.get(pattern));    }      public static String localDateTime2Text(LocalDateTime dateTime) {       return localDateTime2Text(dateTime, null);    }      public static String localDateTime2Text(LocalDateTime dateTime, String pattern) {       pattern = pattern == null ? DATETIME_PATTERN : pattern;       if(formatters.get(pattern) == null) {          formatters.put(pattern, DateTimeFormatter.ofPattern(pattern));       }         return formatters.get(pattern).format(dateTime);    }      public static LocalDate text2LocalDate(String dateText) {       return text2LocalDate(dateText, null);    }      public static LocalDate text2LocalDate(String timeText, String pattern) {       pattern = pattern == null ? DATE_PATTERN : pattern;       if(formatters.get(pattern) == null) {          formatters.put(pattern, DateTimeFormatter.ofPattern(pattern));       }         return LocalDate.parse(timeText, formatters.get(pattern));    }      public static String localDate2Text(LocalDate date) {       return localDate2Text(date, null);    }      public static String localDate2Text(LocalDate date, String pattern) {       pattern = pattern == null ? DATE_PATTERN : pattern;       if(formatters.get(pattern) == null) {          formatters.put(pattern, DateTimeFormatter.ofPattern(pattern));       }         return formatters.get(pattern).format(date);    }      public static Date localDate2Date(LocalDate localDate) {       ZoneId zone = ZoneId.systemDefault();       ZonedDateTime zonedDateTime = localDate.atStartOfDay(zone);       return Date.from(zonedDateTime.toInstant());    }      public static Date localDateTime2Date(LocalDateTime localDateTime) {       ZoneId zone = ZoneId.systemDefault();       Instant instant = localDateTime.atZone(zone).toInstant();       return Date.from(instant);    }      public static long localDateTime2Timestamp(LocalDateTime localDateTime) {       ZoneId zone = ZoneId.systemDefault();       Instant instant = localDateTime.atZone(zone).toInstant();       return instant.toEpochMilli();    }      public static LocalDateTime timestamp2LocalDateTime(long timestamp) {       Instant instant = Instant.ofEpochMilli(timestamp);       ZoneId zone = ZoneId.systemDefault();       return LocalDateTime.ofInstant(instant, zone);    }      public static LocalDateTime beginOfDay(LocalDateTime localDateTime) {       return localDateTime.with(LocalTime.MIN);    }      public static LocalDateTime beginOfDay(LocalDate localDate) {       return LocalDateTime.of(localDate, LocalTime.MIN);    }      public static LocalDateTime endOfDay(LocalDateTime localDateTime) {       return localDateTime.with(LocalTime.MAX);    }      public static LocalDateTime endOfDay(LocalDate localDate) {       return LocalDateTime.of(localDate, LocalTime.MAX);    }      public static LocalDateTime beginOfMonth(LocalDateTime localDateTime) {       return localDateTime.with(TemporalAdjusters.firstDayOfMonth()).with(LocalDateTime.MIN);    }      public static LocalDateTime beginOfMonth(LocalDate localDate) {       return LocalDateTime.of(localDate.with(TemporalAdjusters.firstDayOfMonth()), LocalTime.MIN);    }      public static LocalDateTime endOfMonth(LocalDateTime localDateTime) {       return localDateTime.with(TemporalAdjusters.lastDayOfMonth()).with(LocalDateTime.MAX);    }      public static LocalDateTime endOfMonth(LocalDate localDate) {       return LocalDateTime.of(localDate.with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX);    }      public static LocalDateTime beginOfYear(LocalDateTime localDateTime) {       return localDateTime.with(TemporalAdjusters.firstDayOfYear()).with(LocalDateTime.MIN);    }      public static LocalDateTime beginOfYear(LocalDate localDate) {       return LocalDateTime.of(localDate.with(TemporalAdjusters.firstDayOfYear()), LocalTime.MIN);    }      public static LocalDateTime endOfYear(LocalDateTime localDateTime) {       return localDateTime.with(TemporalAdjusters.lastDayOfYear()).with(LocalDateTime.MAX);    }      public static LocalDateTime endOfYear(LocalDate localDate) {       return LocalDateTime.of(localDate.with(TemporalAdjusters.lastDayOfYear()), LocalTime.MAX);    }      public static LocalDate firstDayOfMonth(LocalDate localDate) {       return localDate.with(TemporalAdjusters.firstDayOfMonth());    }      public static LocalDate lastDayOfMonth(LocalDate localDate) {       return localDate.with(TemporalAdjusters.lastDayOfMonth());    }      public static LocalDate firstDayOfYear(LocalDate localDate) {       return localDate.with(TemporalAdjusters.firstDayOfYear());    }      public static LocalDate lastDayOfYear(LocalDate localDate) {       return localDate.with(TemporalAdjusters.lastDayOfYear());    }        public static List<LocalDate> getDateList(LocalDate beginDate, LocalDate endDate) {       long range = ChronoUnit.DAYS.between(beginDate, endDate) + 1;       List<LocalDate> list = new ArrayList<>();       for (long i = 0; i < range; i++) {          list.add(beginDate.plusDays(i));       }         return list;    }      /**     * 根据年月字符串获取当月第一天和最后一天     */    public static Map<String, LocalDate> getDateByYmstr(String date) {       String str = date + "-01";       LocalDate firstDay = LocalDate.parse(str, DateTimeFormatter.ofPattern("yyyy-MM-dd"));       LocalDate lastDate = firstDay.with(TemporalAdjusters.lastDayOfMonth());       Map<String, LocalDate> map = new HashMap<>();       map.put("firstDay", firstDay);       map.put("lastDate", lastDate);       return map;    }      /**     * 获取前一天日期     */    public static String yesterday() {       // 获取当前日期       LocalDate today = LocalDate.now();       // 获取当前日期的前一天       return today.minusDays(1).toString();    }      /**     * 获取后一天日期     */    public static String tomorrow() {       // 获取当前日期       LocalDate today = LocalDate.now();       // 获取当前日期的前一天       return today.plusDays(1).toString();    }      public static LocalDateTime strToDateTime(String dateStr, String timeStr) {       return LocalDateTime.of(LocalDate.parse(dateStr), LocalTime.parse(timeStr));    }      public static String numberToTimeStr(int i) {       return String.format("%02d:%02d", i * 15 / 60, i * 15 % 60);    }        public static int timeStrToNumber(String timeStr) {       String[] split = timeStr.split(":");       return NumberUtil.toBigInteger(split[0]).intValue() * 4 + NumberUtil.toBigInteger(split[1]).intValue() / 15;    }      public static LocalTime numberToLocalTime(int i) {       try {          return LocalTime.of(i*15/60, i*15%60);       } catch(Exception e){          return LocalTime.MIN;       }      }      public static synchronized String fixTime(String timeStr, boolean hasSecond) {       if (!timeStr.contains(":")) {          throw new IllegalArgumentException("时间格式有误");       }       if (timeStr.contains(" ")) {          timeStr = timeStr.split(" ")[1];       }       List<String> split = Arrays.stream(timeStr.split(":")).collect(Collectors.toList());       if (!hasSecond && split.size() == 3) {          split.remove(2);       }       StringBuffer time = new StringBuffer();       for (int i = 0; i < split.size(); i++) {          String str = split.get(i);          String it;          if(str.length() < 2) {             it = "0" + str;          }          else {             it = str;          }          time.append(it);          if(i != split.size() - 1) {             time.append(":");          }       }       return time.toString();    }      public static String fixDate(String bsStr) {       String[] fixed;       String sepPoint = ".";       boolean point = bsStr.contains(sepPoint);       if (point) {          fixed = bsStr.split("\\.");       }       else {          fixed = bsStr.split("-");       }       String sep = point ? sepPoint : "-";       return String.format("%s%s%02d%s%02d", fixed[0], sep, Integer.parseInt(fixed[1]), sep,          Integer.parseInt(fixed[2]));    }      public static List<String> genarateTime(boolean has2400) {       if (has2400) {          return IntStream.rangeClosed(1, 96).mapToObj(i -> numberToTimeStr(i)).collect(Collectors.toList());       }       else {          return IntStream.rangeClosed(0, 95).mapToObj(i -> numberToTimeStr(i)).collect(Collectors.toList());       }    }      /***     * 00:15-24:00     * @param start     * @param end     * @param format     * @return     * @param <T>     */    public static <T> List<T> getDateList96(LocalDate start, LocalDate end, Function<LocalDateTime, T> format) {       List<T> list = Lists.newArrayList();         LocalDate item = start;       while (item.isBefore(end) || item.isEqual(end)) {          LocalTime time = LocalTime.MIN;          for (int i = 0; i < 96; i++) {             time = time.plusMinutes(15l);             list.add(format.apply(LocalDateTime.of(item, time)));          }            item = item.plusDays(1l);       }         return list;    }      public static void main(String[] args) {       List<LocalDateTime> dateList96 = DateTimeHelper.getDateList96(LocalDate.now(), LocalDate.now(), Function.identity());       System.out.println(dateList96);    }      public static List<String> getDateList96(LocalDate start, LocalDate end) {       return getDateList96(start, end, DEFAULT_DATE_96_FUNC);    }      public static final Function<LocalDateTime, String> DEFAULT_DATE_96_FUNC =       e -> e.toLocalTime().equals(LocalTime.MIN) ? DATE_96_FORMATTER.format(e).concat(END_TIME_STR) :          DATETIME_96_FORMATTER.format(e);      public static List<String> getDateList96Time(LocalDate start, LocalDate end) {       List<String> dateList96Time = getDateList96(start, end, DEFAULT_DATE_FUNC);       return dateList96Time.stream().map(l -> {          if ("00:00".equals(l)) {             l = "24:00";          }          return l;       }).collect(Collectors.toList());    }      public static final Function<LocalDateTime, String> DEFAULT_DATE_FUNC =            e -> DATETIME_96_TIME_FORMATTER.format(e);      public static List<String> getBetweenToTime(String startTime, String endTime) {       int start = timeStrToNumber(startTime);       int end = timeStrToNumber(endTime);       return IntStream.range(start, end + 1).mapToObj(DateTimeHelper::numberToTimeStr).collect(Collectors.toList());    }      public static LocalDate parseLocalDate(Object date) {       String[] parttens = {          "yyyy-MM-dd",          "yyyy-M-dd",          "yyyy-M-d",          "yyyy.MM.dd",          "yyyy.M.dd",          "yyyy.M.d",          "yyyy年MM月dd日",          "yyyy年M月dd日",          "yyyy年M月d日",          "yyyy/MM/dd",          "yyyy/M/dd",          "yyyy/M/d",          "yyyyMMdd",          "yyyyMdd",          "yyyyMd",       };       if(date == null) {          return null;       }       if(date instanceof Date) {          return LocalDateTimeUtil.of(((Date) date)).toLocalDate();       } else if (date instanceof String) {          String dateStr = (String) date;          for(String partten : parttens) {             try {                return LocalDate.parse(dateStr, DateTimeFormatter.ofPattern(partten));             }             catch(Exception e) { }          }       }       return null;    }      public static boolean isBetween(LocalDate start, LocalDate end, LocalDate...  dates) {       boolean ok = true;       for(LocalDate date : dates) {          ok &= !date.isBefore(start) && !date.isAfter(end);       }       return ok;    }      public static List<String> getPoint96(){       return IntStream.rangeClosed(1, 96).mapToObj(DateTimeHelper::numberToTimeStr).collect(Collectors.toList());    }      /**     *  获取指定开始结束日期内的日期类型     * @param begin     * @param end     * @return     */    public static Map<DateType,List<LocalDate>> getSortedDays(LocalDate begin, LocalDate end){       Map<DateType,List<LocalDate>> dateTypeListMap = new LinkedHashMap<>();       List<LocalDate> visited = new ArrayList<>();       IntStream.rangeClosed(begin.getYear(), end.getYear()).forEach(year->{          String url = "http://timor.tech/api/holiday/year/"+year;          String result = HttpUtil.get(url, Charset.forName("UTF-8"));          JSONObject info = JSONObject.parseObject(result);          JSONObject holiday = info.getJSONObject("holiday");          for(String dateStr : holiday.keySet()) {             String fullDate = year+"-"+dateStr;             JSONObject dateInfo = holiday.getJSONObject(dateStr);             Boolean isHoliday = dateInfo.getBoolean("holiday");             DateType dateType = isHoliday ? DateType.HOLIDAY : DateType.ADJUSTHOLIDAY;             dateTypeListMap.computeIfAbsent(dateType,(s)-> new ArrayList<>());             LocalDate date = LocalDate.parse(fullDate);             visited.add(date);             dateTypeListMap.get(dateType).add(date);          }       });       while(!begin.isAfter(end)) {          if(!visited.contains(begin)) {             DayOfWeek dayOfWeek = begin.getDayOfWeek();             DateType dateType;             switch(dayOfWeek) {                case SATURDAY:                   dateType = DateType.SATURDAY;                   break ;                case SUNDAY:                   dateType = DateType.SUNDAY;                   break ;                default:                   dateType = DateType.WORKINGDAY;                   break;             }             dateTypeListMap.computeIfAbsent(dateType,(s)-> new ArrayList<>());             dateTypeListMap.get(dateType).add(begin);          }          begin = begin.plusDays(1);       }         return dateTypeListMap;    }      /**     *  获取指定开始结束日期内的日期类型     * @param begin     * @param end     * @return     */    public static Map<LocalDate,DateType> getDaysType(LocalDate begin, LocalDate end){       Map<LocalDate,DateType> dateTypeListMap = new LinkedHashMap<>();       IntStream.rangeClosed(begin.getYear(), end.getYear()).forEach(year->{          String url = "http://timor.tech/api/holiday/year/"+year;          String result = HttpUtil.get(url, Charset.forName("UTF-8"));          JSONObject info = JSONObject.parseObject(result);          JSONObject holiday = info.getJSONObject("holiday");          for(String dateStr : holiday.keySet()) {             String fullDate = year+"-"+dateStr;             LocalDate date = LocalDate.parse(fullDate);             if(DateTimeHelper.isBetween(begin,end,date)) {                JSONObject dateInfo = holiday.getJSONObject(dateStr);                Boolean isHoliday = dateInfo.getBoolean("holiday");                DateType dateType = isHoliday ? DateType.HOLIDAY : DateType.ADJUSTHOLIDAY;                dateTypeListMap.put(date,dateType);             }          }       });       LocalDate cur = LocalDate.from(begin);       while(!cur.isAfter(end)) {          if(!dateTypeListMap.keySet().contains(cur)) {             DayOfWeek dayOfWeek = cur.getDayOfWeek();             DateType dateType;             switch(dayOfWeek) {                case SATURDAY:                   dateType = DateType.SATURDAY;                   break ;                case SUNDAY:                   dateType = DateType.SUNDAY;                   break ;                default:                   dateType = DateType.WORKINGDAY;                   break;             }             dateTypeListMap.put(cur,dateType);          }          cur = cur.plusDays(1);       }       return dateTypeListMap;    }        /**     * 给定开始结束日期，给定一个月份，求这个月在给定开始结束时间内的开始结束时间     * @param begin     * @param end     * @param month     * @return     */    public static Pair<LocalDate,LocalDate> getBeginAndEnd(LocalDate begin, LocalDate end, int month){       LocalDate cur = LocalDate.from(begin);       LocalDate start = null,ends = null;       while(!cur.isAfter(end)) {          if(cur.getMonthValue() < month) {             cur = cur.plusMonths(1);             continue;          }          if(cur.getMonthValue() > month) {             break;          }          if(start == null) {             start = cur;          }          cur = cur.plusDays(1);       }       ends = cur;       return Pair.of(start,ends.getMonthValue() == month?ends:ends.minusDays(1));    }      /**     * 根据月份获取该月每周的日期列表     * @param yearMonth     * @return     */    public static Map<Integer,List<LocalDate>> getWeekMap(YearMonth yearMonth){       YearMonth month = YearMonth.from(yearMonth);       LocalDate start = LocalDate.of(month.getYear(),month.getMonth(),1);       int dayOfMonth = month.lengthOfMonth();       LocalDate end = LocalDate.of(month.getYear(),month.getMonth(), dayOfMonth);       Map<Integer,List<LocalDate>> map = new LinkedHashMap<>();       int week = 1;       boolean willPlus = false;       while(!start.isAfter(end)) {          List<LocalDate> dateList = map.computeIfAbsent(week, (w)->Lists.newArrayList());          dateList.add(start);          if(willPlus) {             willPlus = false;             week++;          }          start = start.plusDays(1);          if(start.getDayOfWeek().getValue() == 7) {             willPlus = true;          }       }       return map;    }      }

　　

2.DateType.java

package cn.togeek.enums;

/**
 * 日期类型：周六，周日，工作日，法定节假日，调休节假日
 */
public enum DateType {
   SATURDAY("周六"),
   SUNDAY("周日"),
   WORKINGDAY("工作日"),
   HOLIDAY("节假日"),
   ADJUSTHOLIDAY("调休节假日");

   DateType(String typeName) {
      this.typeName = typeName;
   }

   private String typeName;

   public String getTypeName() {
      return typeName;
   }

   public static DateType getDataTypeByName(String typeName) {
      for(DateType dateType : DateType.values()) {
         if(dateType.getTypeName().equals(typeName)) {
            return dateType;
         }
      }
      return null;
   }
   public static Map<Integer,List<LocalDate>> getWeekMap(YearMonth yearMonth){

    YearMonth month = YearMonth.from(yearMonth);
    LocalDate start = LocalDate.of(month.getYear(),month.getMonth(),1);
    int dayOfMonth = month.lengthOfMonth();
    LocalDate end = LocalDate.of(month.getYear(),month.getMonth(), dayOfMonth);
    Map<Integer,List<LocalDate>> map = new LinkedHashMap<>();
    int week = 1;
    boolean willPlus = false;
    while(!start.isAfter(end)) {
        List<LocalDate> dateList = map.computeIfAbsent(week, (w)->Lists.newArrayList());
        dateList.add(start);
        if(willPlus) {
            willPlus = false;
            week++;
        }
        start = start.plusDays(1);
        if(start.getDayOfWeek().getValue() == 7) {
            willPlus = true;
        }
    }
      return map;
  }

}

 3.BeanUtils.java

package cn.togeek.util;

import cn.hutool.core.convert.Convert;
import cn.hutool.core.lang.Pair;
import cn.hutool.core.util.ReflectUtil;
import cn.hutool.poi.excel.ExcelReader;
import cn.hutool.poi.excel.ExcelUtil;
import io.swagger.annotations.ApiModelProperty;
import lombok.extern.slf4j.Slf4j;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Assert;
import org.springframework.web.multipart.MultipartFile;

@Slf4j
public class BeanUtils {

   private static final Logger logger = LoggerFactory.getLogger(BeanUtils.class);

   /**
    * map 对象转对象
    * @param origion
    * @param t
    * @param <T>
    */
   public static<T> void mapToBean(Map<String,Object> origion,T t){
      Class<?> aClass = t.getClass();
      Map<String, Field> mapping = new LinkedHashMap<>();
      while(aClass != Object.class) {
         Map<String, Field> cur = Arrays.stream(aClass.getDeclaredFields())
            .map(field -> Pair.of(field.getName().replaceAll("_", "").toLowerCase(), field))
            .collect(Collectors.toMap(o -> o.getKey(), o -> o.getValue()));
         mapping.putAll(cur);
         aClass = aClass.getSuperclass();
      }
      for(Map.Entry<String, Object> entry : origion.entrySet()) {
         String field = entry.getKey();
         Object value = entry.getValue();
         if(ReflectUtil.hasField(aClass, field) &&
            ReflectUtil.getField(aClass,field).getType().equals(value.getClass())) {
            ReflectUtil.setFieldValue(t,field, value);
         } else {
            String field2 = field.replaceAll("_", "").toLowerCase();
            if(mapping.containsKey(field2) && mapping.get(field2).getType().equals(value.getClass())) {
               ReflectUtil.setFieldValue(t,mapping.get(field2), value);
               continue;
            }
            logger.warn("origion map key:{} not in Class:{}",field,aClass);
         }
      }
   }

   /**
    * 获取指定类的注解信息与字段映射关系
    * @param clazz
    * @return
    */
   public static Map<String,Field> getApiModleInfoMap(Class clazz) {
      return Arrays.stream(ReflectUtil.getFields(clazz))
         .filter(f->f.isAnnotationPresent(ApiModelProperty.class)).collect(Collectors.toMap(f->{
            ApiModelProperty annotation = f.getAnnotation(ApiModelProperty.class);
            return annotation.value();
         },f->f,(o1,o2)->o2));
   }

   /**
    * 文件导入时使用
    * @param clazz
    * @param errorInfo
    * @return
    */
   public static <T> List<T> getBeanListFromListMap(Class<T> clazz, MultipartFile file, List<String> errorInfo) throws Exception {
      ExcelReader reader = ExcelUtil.getReader(file.getInputStream());
      List<Map<String,Object>> xlsDataList = reader.readAll();
      Map<String, Field> infoMap = getApiModleInfoMap(clazz);
      ArrayList<T> list = new ArrayList<>();
      xlsDataList.forEach(map -> {
         try {
            T bean = clazz.newInstance();
            list.add(bean);
            map.forEach((key,value) -> {
               Field field = infoMap.get(key);
               if(Objects.isNull(field)) {
                  log.warn(String.format("key:%s not match any class field,it will be ignored,please check!!!",key));
               } else {
                  Class<?> type = field.getType();
                  if(Objects.isNull(value) || value.getClass() == type) {
                     ReflectUtil.setFieldValue(bean,field,value);
                  } else {
                     Object convert = Convert.convert(type, value);
                     ReflectUtil.setFieldValue(bean,field,convert);
                  }
               }
            });
         }
         catch(Exception e) {
            errorInfo.add(e.getMessage());
            e.printStackTrace();
         }
      });
      return list;
   }

}

 4.多个list合并成一个list

package cn.togeek.util;

import cn.hutool.core.util.RandomUtil;
import cn.hutool.core.util.ReflectUtil;
import com.alibaba.fastjson.JSON;
import com.google.common.collect.Maps;
import lombok.AllArgsConstructor;
import lombok.Data;

import cn.togeek.exception.ClientError;

import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;

public class DateTimeValueUtilPlus {
   public static final String QUART = "QUART";
   public static final String HOUR = "HOUR";
//   public static final String DAY = "DAY";

   public static  <T> List<T> genarate(LocalDate start, LocalDate end, String unit, Builder builder,Class<T> targetClazz){
      List<T> result = new ArrayList<>();
      for(LocalDate s= LocalDate.from(start);!s.isAfter(end);s=s.plusDays(1)) {
         switch(unit) {
            case QUART:
            case HOUR:
               int i = 0;
               for(LocalTime b=LocalTime.MIN;unit.equals(QUART)?i<96:i<24;b=b.plusMinutes(unit.equals(QUART)?15:60)) {
                  T t = ReflectUtil.newInstanceIfPossible(targetClazz);
                  ReflectUtil.setFieldValue(t,builder.dateField,s);
                  ReflectUtil.setFieldValue(t,builder.timeField,b);
                  for(Object[] datum : builder.data) {
                     Class curClass = (Class) datum[0];
                     List<Part> parts = (List<Part>) datum[1];
                     Map<LocalDate,Map<LocalTime,Object>> curOrigionDataMap = (Map<LocalDate,Map<LocalTime,Object>>)datum[2];
                     for(Part part : parts) {
                        String targetField = part.getTargetFieldName();
                        Function function  = part.getOperation();
                        if(ReflectUtil.hasField(targetClazz,targetField)) {
                           Object orDefault = curOrigionDataMap.getOrDefault(s, Maps.newHashMap())
                              .getOrDefault(b, ReflectUtil.newInstanceIfPossible(curClass));
                           Object o = function.apply(orDefault);
                           ReflectUtil.setFieldValue(t,targetField,o);
                        }
                     }
                  }
                  i++;
                  result.add(t);
               }
               break;
            default:
               throw new ClientError("非法参数");
         }
      }


      return result;
   }

   public static class Builder{

      List<Object[]> data = new ArrayList<>();
      int index;
      String dateField;
      String timeField;

      /**
       *
       * @param dateField 目标类 日期字段名
       * @param timeField 目标类 时刻字段名
       * order = 0
       * @return
       */
      public static Builder of(String dateField, String timeField){
         Builder builder = new Builder();
         builder.dateField = dateField;
         builder.timeField = timeField;
         return builder;
      }

      /**
       *
       * @param origionListType 原始类class
       * order = 1
       * @return
       */
      public Builder origionClass(Class origionListType) {
         Object[] element = new Object[4];
         element[0] = origionListType;
         data.add(index, element);
         return this;
      }

      /**
       *
       * @param parts 目标类字段名
       * order = 2
       * @return
       */
      public Builder with(List<Part> parts) {
         data.get(index)[1] = parts;
         return this;
      }

      /**
       * order = 3
       * @param originDateTimeInstanceMap 原始list 按日期时刻分类后的class
       * @return
       */
      public Builder use(Map<LocalDate,Map<LocalTime,Object>> originDateTimeInstanceMap) {
         data.get(index)[2] = originDateTimeInstanceMap;
         return this;
      }

   }

   @Data
   @AllArgsConstructor
   public static class Part{

      //目标类字段名
      private String targetFieldName;

      //function 找到原始instance 后的取值逻辑
      private Function operation;

   }

   public static void main(String[] args) {
      LocalDate start = LocalDate.parse("2023-08-01");
      LocalDate end = LocalDate.parse("2023-08-04");
      List<Power> powerList = DateTimeHelper.getDateList(start, end)
         .stream()
         .map(x -> DateTimeHelper.genarateTime(false).stream().map(t -> {
            Power power = new Power();
            power.setPowerLong(RandomUtil.randomBigDecimal());
            power.setPowerSpot(RandomUtil.randomBigDecimal());
            power.setTime(LocalTime.parse(t));
            power.setInfoDate(x);
            return power;
         }).collect(Collectors.toList()))
         .flatMap(Collection::stream)
         .collect(Collectors.toList());
      List<Price> priceList = DateTimeHelper.getDateList(LocalDate.parse("2023-08-03"), end)
         .stream()
         .map(x -> DateTimeHelper.genarateTime(false).stream().map(t -> {
            Price power = new Price();
            power.setPrice(RandomUtil.randomBigDecimal());
            power.setTime(LocalTime.parse(t));
            power.setBusinessDate(x);
            return power;
         }).collect(Collectors.toList()))
         .flatMap(Collection::stream)
         .collect(Collectors.toList());
      Map<LocalDate,Map<LocalTime,Object>> collectPrice =  priceList.stream()
         .collect(Collectors.groupingBy(Price::getBusinessDate, Collectors.toMap(Price::getTime, Function.identity())));
      Map<LocalDate,Map<LocalTime,Object>> collectPower =  powerList.stream()
         .collect(Collectors.groupingBy(Power::getInfoDate, Collectors.toMap(Power::getTime, Function.identity())));
      List<PricePower> genarate = DateTimeValueUtilPlus.genarate(start, end, DateTimeValueUtilPlus.QUART,
         Builder.of("infoDate", "time")
            .origionClass(Price.class)
            .with(Arrays.asList(new Part("price",(p) -> ((Price) p).price )))
            .use(collectPrice)
            .origionClass(Power.class)
            .with(Arrays.asList(
               new Part("powerSpot",(p) -> ((Power) p).powerSpot),
               new Part("powerLong",(p) -> ((Power) p).powerLong)
            ))
            .use(collectPower),
         PricePower.class);
      System.out.println(JSON.toJSONString(genarate));
   }

   @Data
   static class Power{
      LocalDate infoDate;
      LocalTime time;
      BigDecimal powerSpot;
      BigDecimal powerLong;
   }

   @Data
   static class Price{
      LocalDate businessDate;
      LocalTime time;
      BigDecimal price;
   }

   @Data
   static class PricePower{
      LocalDate infoDate;
      LocalTime time;
      BigDecimal price;
      BigDecimal powerSpot;
      BigDecimal powerLong;
   }

}