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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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This commit is contained in:
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
.stream()
.collect(Collectors.groupingBy(key, Collectors.toList()));
.collect(Collectors.groupingBy(key, LinkedHashMap::new, Collectors.toList()));
}
/**
@ -146,7 +146,7 @@ public class StreamUtils {
}
return collection
.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
.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)));
}
/**