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test

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This commit is contained in:
luming 2021-12-29 17:48:50 +08:00
parent c54a58b45b
commit 5f3b0b8b30
2 changed files with 40 additions and 2 deletions
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17
src/main/java/C.java Normal file
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@ -0,0 +1,17 @@
import lombok.AllArgsConstructor;
import lombok.Data;
/**
* todo Created with IntelliJ IDEA
*
* @author luming
* @email: lu.lm@bitsun-inc.com
* @date 2021/12/29 17:29
*/
@Data
@AllArgsConstructor
public class C {
private Short status;
private String code;
}

25
src/main/java/Test.java
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@ -1,3 +1,6 @@
import com.google.common.collect.Lists;
import org.apache.commons.lang3.StringUtils;
import java.math.BigDecimal; import java.math.BigDecimal;
import java.time.LocalDate; import java.time.LocalDate;
import java.time.LocalDateTime; import java.time.LocalDateTime;
@ -8,6 +11,8 @@ import java.time.temporal.ChronoUnit;
import java.time.temporal.TemporalAdjusters; import java.time.temporal.TemporalAdjusters;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/** /**
* todo Created with IntelliJ IDEA * todo Created with IntelliJ IDEA
@ -17,6 +22,7 @@ import java.util.List;
* @date 2021/12/14 15:15 * @date 2021/12/14 15:15
*/ */
public class Test { public class Test {
public static void main(String[] args) { public static void main(String[] args) {
LocalDate now = LocalDate.now().plusMonths(-1); LocalDate now = LocalDate.now().plusMonths(-1);
System.out.println("现在时间="+ now); System.out.println("现在时间="+ now);
@ -56,9 +62,24 @@ public class Test {
noticeList.add(new StringBuilder("123")); noticeList.add(new StringBuilder("123"));
noticeList.add(new StringBuilder("123")); noticeList.add(new StringBuilder("123"));
System.out.println(noticeList); System.out.println(noticeList);
System.out.println(StringUtils); System.out.println(StringUtils.join(noticeList,","));
}
List<C> cList = Lists.newArrayList();
cList.add(new C((short) 1, "SKU001"));
cList.add(new C((short) 2, "SKU001"));
cList.add(new C((short) 3, "SKU005"));
cList.add(new C((short) 3, "SKU001"));
cList.add(new C((short) 1, "SKU002"));
cList.add(new C((short) 1, "SKU001"));
System.out.println(cList);
Map<Short, List<String>> collect = cList.stream()
.collect(Collectors.toMap(C::getStatus, c -> Lists.newArrayList(c.getCode()), (List<String> newList, List<String> oldList) -> {
oldList.addAll(newList);
return oldList;
}));
System.out.println(collect);
}
private static LocalDate parseString2Date(String timeStr) { private static LocalDate parseString2Date(String timeStr) {