仓库报表统计怎么做出入库报表统计怎么做

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本头条号主要是Java常用关键技术点，通用工具类的分享；以及springboot+springcloud+Mybatisplus+druid+mysql+redis+swagger+maven+docker等集成框架的技术分享；datax、kafka、flink等大数据处理框架的技术分享。文章会不断更新，欢迎码友关注点赞收藏转发！
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正文
【仓库报表统计怎么做出入库报表统计怎么做】在java开发中，几乎所有系统都有报表统计的功能，而报表统计的其中一个参数就是时间段，有环比同比时间段统计，有时间段统计，有周统计，有趋势图统计等，所以封装了该工具类，避免在每个统计方法中重复的计算这样那样的日期。
照旧先上工具类使用栗子：

 System.out.println("201909环比日期="+ReportDateUtil.getHbMonth("201909")); System.out.println("201909同比日期="+ReportDateUtil.getTbMonth("201909")); System.out.println("201901-201909相隔月数="+ReportDateUtil.getPeriodAmount("20190101", "20190901", ReportDateUtil.MONTH)); // 用于趋势图中显示日期，当统计值为0时也是要显示的哦 System.out.println("201901-201909之间的日期列表="+ReportDateUtil.getPeriodDateList("20190101", "20190901", ReportDateUtil.MONTH)); ReportDateUtil.getMonthWeekGroupList("201909").forEach((k, v) -> {// 计算9月份共有多少周，每周的日期System.out.println("201909第"+k+"周:"+v.toString()); }); System.out.println("201909中的自然周为="+ReportDateUtil.getMonthWeekList("201909"));

上面使用例子打印如下

 201909环比日期=201908 201909同比日期=201809 201901-201909相隔月数=8 201901-201909之间的日期列表=[201901, 201902, 201903, 201904, 201905, 201906, 201907, 201908, 201909] 201909第1周:[2019-09-01, 2019-09-02, 2019-09-03, 2019-09-04, 2019-09-05, 2019-09-06, 2019-09-07] 201909第2周:[2019-09-08, 2019-09-09, 2019-09-10, 2019-09-11, 2019-09-12, 2019-09-13, 2019-09-14] 201909第3周:[2019-09-15, 2019-09-16, 2019-09-17, 2019-09-18, 2019-09-19, 2019-09-20, 2019-09-21] 201909第4周:[2019-09-22, 2019-09-23, 2019-09-24, 2019-09-25, 2019-09-26, 2019-09-27, 2019-09-28] 201909第5周:[2019-09-29, 2019-09-30] 201909中的自然周为=[201939, 201936, 201938, 201937, 201940]

下面给出完整的工具类，这是我项目中在报表统计时经常用到的，有需要的码友可以先收藏，说不定哪天就用到了。

 import java.time.DayOfWeek; import java.time.LocalDate; import java.time.Period; import java.time.YearMonth; import java.time.format.DateTimeFormatter; import java.time.temporal.ChronoUnit; import java.time.temporal.TemporalAdjusters; import java.time.temporal.WeekFields; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.stream.Collectors; import java.util.stream.Stream; /*** 报表日期工具类** @author liang - liangxn* @date 2019/9/19 10:17*/ public class ReportDateUtil {private static final DateTimeFormatter DTF_YYYYMMDD = DateTimeFormatter.ofPattern("yyyyMMdd");private static final DateTimeFormatter DTF_YYYYMM = DateTimeFormatter.ofPattern("yyyyMM");private static final DateTimeFormatter DTF_YYYY = DateTimeFormatter.ofPattern("yyyy");private static final String PATTERN_WEEK = "yyyyw";public static final int YEAR = 1;public static final int MONTH = 2;public static final int DAY = 3;public static void main(String[] args) {System.out.println("201909环比日期="+ReportDateUtil.getHbMonth("201909"));System.out.println("201909同比日期="+ReportDateUtil.getTbMonth("201909"));System.out.println("201901-201909相隔月数="+ReportDateUtil.getPeriodAmount("20190101", "20190901", ReportDateUtil.MONTH));System.out.println("201901-201909之间的日期列表="+ReportDateUtil.getPeriodDateList("20190101", "20190901", ReportDateUtil.MONTH));ReportDateUtil.getMonthWeekGroupList("201909").forEach((k, v) -> {System.out.println("201909第"+k+"周:"+v.toString());});System.out.println("201909中的自然周为="+ReportDateUtil.getMonthWeekList("201909"));}/*** 获取月的第一天** @param currMonth 当前日期字符串，格式yyyyMM* @return*/public static String getFirstOfMonth(String currMonth) {currMonth = currMonth + "01";LocalDate d = LocalDate.parse(currMonth, DTF_YYYYMMDD);return DTF_YYYYMMDD.format(d.with(TemporalAdjusters.firstDayOfMonth()));}/*** 获取月的最后一天** @param currMonth 当前日期字符串，格式yyyyMM* @return*/public static String getLastOfMonth(String currMonth) {currMonth = currMonth + "01";LocalDate d = LocalDate.parse(currMonth, DTF_YYYYMMDD);return DTF_YYYYMMDD.format(d.with(TemporalAdjusters.lastDayOfMonth()));}/*** 获取年的第一天** @param currYear 当前日期字符串，格式yyyy* @return*/public static String getFirstOfYear(String currYear) {currYear = currYear + "0101";LocalDate d = LocalDate.parse(currYear, DTF_YYYYMMDD);return DTF_YYYYMMDD.format(d.with(TemporalAdjusters.firstDayOfYear()));}/*** 获取年的最后一天** @param currYear 当前日期字符串，格式yyyy* @return*/public static String getLastOfYear(String currYear) {currYear = currYear + "0101";LocalDate d = LocalDate.parse(currYear, DTF_YYYYMMDD);return DTF_YYYYMMDD.format(d.with(TemporalAdjusters.lastDayOfYear()));}/*** 计算环比月** @param currMonth 当前日期字符串，格式yyyyMM* @return*/public static String getHbMonth(String currMonth) {currMonth = currMonth + "01";LocalDate d = LocalDate.parse(currMonth, DTF_YYYYMMDD);return DTF_YYYYMM.format(d.minusMonths(1L));}/*** 计算同比月** @param currMonth 当前日期字符串，格式yyyyMM* @return*/public static String getTbMonth(String currMonth) {currMonth = currMonth + "01";LocalDate d = LocalDate.parse(currMonth, DTF_YYYYMMDD);return DTF_YYYYMM.format(d.minusYears(1L));}/*** 计算两个日期之间的年（或月或日）的集合** @param startDate 开始的日期 yyyyMMdd* @param endDate 结束的日期 yyyyMMdd* @param unit 年（或月或日）的标识，默认日* @return*/public static List<String> getPeriodDateList(String startDate, String endDate, int unit) {List<String> l = new ArrayList<>();LocalDate start = LocalDate.parse(startDate, DTF_YYYYMMDD);LocalDate end = LocalDate.parse(endDate, DTF_YYYYMMDD);Period p = Period.between(start, end);if (ReportDateUtil.YEAR == unit) {for (int i = 0; i <= p.getYears(); i++) {l.add(DTF_YYYY.format(start.plusYears(i)));}} else if (ReportDateUtil.MONTH == unit) {for (int i = 0; i <= p.getMonths(); i++) {l.add(DTF_YYYYMM.format(start.plusMonths(i)));}} else if (ReportDateUtil.DAY == unit) {for (int i = 0; i <= p.getDays(); i++) {l.add(DTF_YYYYMMDD.format(start.plusDays(i)));}}return l;}/*** 计算两个日期之间的年（或月或日）的集合** @param startDate 开始的日期 yyyyMMdd* @param endDate 结束的日期 yyyyMMdd* @param unit 年（或月或日）的标识，默认日* @return*/public static List<String> getPeriodDateList(String startDate, String endDate, int unit, String pattern) {DateTimeFormatter dtf = DateTimeFormatter.ofPattern(pattern);List<String> l = new ArrayList<>();LocalDate start = LocalDate.parse(startDate, DTF_YYYYMMDD);LocalDate end = LocalDate.parse(endDate, DTF_YYYYMMDD);Period p = Period.between(start, end);if (ReportDateUtil.YEAR == unit) {for (int i = 0; i <= p.getYears(); i++) {l.add(dtf.format(start.plusYears(i)));}} else if (ReportDateUtil.MONTH == unit) {for (int i = 0; i <= p.getMonths(); i++) {l.add(dtf.format(start.plusMonths(i)));}} else if (ReportDateUtil.DAY == unit) {for (int i = 0; i <= p.getDays(); i++) {l.add(dtf.format(start.plusDays(i)));}}return l;}/*** 计算某个月的的每一周在一年中属于第几周的集合，如2019年9月有6周（周一为一周开始），则返回结果为：[201934,201935,201936,201937,201938,201939]** @param currMonth 年月字符串 yyyyMM* @return*/public static List<String> getMonthWeekList(String currMonth) {return getMonthWeekList(currMonth, PATTERN_WEEK);}/*** 计算某个月的的每一周在一年中属于第几周的集合，如2019年9月有6周（周一为一周开始），则返回结果为：[201934,201935,201936,201937,201938,201939]** @param currMonth 年月字符串 yyyyMM* @return*/public static List<String> getMonthWeekList(String currMonth, String pattern) {final DateTimeFormatter DTF_WEEK = DateTimeFormatter.ofPattern(pattern);YearMonth yearMonth = YearMonth.parse(currMonth, DTF_YYYYMM);LocalDate start = LocalDate.now().with(yearMonth).with(TemporalAdjusters.firstDayOfMonth());LocalDate end = LocalDate.now().with(yearMonth).with(TemporalAdjusters.lastDayOfMonth());if(end.isAfter(LocalDate.now())){end = LocalDate.now();}// 按周分组，设置一周的开始日期为 星期天Map<String, List<LocalDate>> collect = Stream.iterate(start, localDate -> localDate.plusDays(1L)).limit(ChronoUnit.DAYS.between(start, end) + 1).collect(Collectors.groupingBy(localDate -> DTF_WEEK.format(localDate)));List<String> l = new ArrayList<>();collect.forEach((k, v) -> l.add(k));return l;}/*** 计算某个月的自然周数的集合，按周分组，并列出每周的天日期，例如201909月有5周，每周的日期如下：* 第1周:[2019-09-01, 2019-09-02, 2019-09-03, 2019-09-04, 2019-09-05, 2019-09-06, 2019-09-07]* 第2周:[2019-09-08, 2019-09-09, 2019-09-10, 2019-09-11, 2019-09-12, 2019-09-13, 2019-09-14]* 第3周:[2019-09-15, 2019-09-16, 2019-09-17, 2019-09-18, 2019-09-19, 2019-09-20, 2019-09-21]* 第4周:[2019-09-22, 2019-09-23, 2019-09-24, 2019-09-25, 2019-09-26, 2019-09-27, 2019-09-28]* 第5周:[2019-09-29, 2019-09-30]** @param currMonth 年月字符串 yyyyMM* @return*/public static Map<Integer, List<LocalDate>> getMonthWeekGroupList(String currMonth) {YearMonth yearMonth = YearMonth.parse(currMonth, DTF_YYYYMM);LocalDate start = LocalDate.now().with(yearMonth).with(TemporalAdjusters.firstDayOfMonth());LocalDate end = LocalDate.now().with(yearMonth).with(TemporalAdjusters.lastDayOfMonth());// 按周分组，设置一周的开始日期为 星期天return Stream.iterate(start, localDate -> localDate.plusDays(1L)).limit(ChronoUnit.DAYS.between(start, end) + 1).collect(Collectors.groupingBy(localDate ->localDate.get(WeekFields.of(DayOfWeek.SUNDAY, 1).weekOfMonth())));}/*** 计算两个日期相隔多少年（或月或日）** @param startDate 开始的日期 yyyyMMdd* @param endDate 结束的日期 yyyyMMdd* @param unit 计算年（或月或日）的标识，默认日* @return*/public static int getPeriodAmount(String startDate, String endDate, int unit) {LocalDate start = LocalDate.parse(startDate, DTF_YYYYMMDD);LocalDate end = LocalDate.parse(endDate, DTF_YYYYMMDD);Period p = Period.between(start, end);if (ReportDateUtil.YEAR == unit) {return p.getYears();} else if (ReportDateUtil.MONTH == unit) {return p.getMonths();}return p.getDays();} }

大部分系统都是有图表统计的，有图表统计的话基本都能使用到这个工具类。这也是我在多个项目中都用到，所以封装了这个工具类。

仓库报表统计怎么做 出入库报表统计怎么做

仓库报表统计怎么做出入库报表统计怎么做