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StreamUtils优化分组方法返回由HashMap无序转为LinkedHashMap有序

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抓蛙师 2022-07-16 15:41:51 +08:00
parent 1fdd81b4fa
commit 55ba098e50
1 changed files with 3 additions and 3 deletions
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6
ruoyi-common/src/main/java/com/ruoyi/common/utils/StreamUtils.java
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@ -125,7 +125,7 @@ public class StreamUtils {
} }
return collection return collection
.stream() .stream()
.collect(Collectors.groupingBy(key, Collectors.toList())); .collect(Collectors.groupingBy(key, LinkedHashMap::new, Collectors.toList()));
} }
/** /**
@ -146,7 +146,7 @@ public class StreamUtils {
} }
return collection return collection
.stream() .stream()
.collect(Collectors.groupingBy(key1, Collectors.groupingBy(key2, Collectors.toList()))); .collect(Collectors.groupingBy(key1, LinkedHashMap::new, Collectors.groupingBy(key2, LinkedHashMap::new, Collectors.toList())));
} }
/** /**
@ -167,7 +167,7 @@ public class StreamUtils {
} }
return collection return collection
.stream() .stream()
.collect(Collectors.groupingBy(key1, Collectors.toMap(key2, Function.identity(), (l, r) -> l))); .collect(Collectors.groupingBy(key1, LinkedHashMap::new, Collectors.toMap(key2, Function.identity(), (l, r) -> l)));
} }
/** /**