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修复JsonUtil.toBean泛型数组类型丢失问题（pr#3876@Github）

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Looly 2025-03-03 12:05:26 +08:00
parent 1c3e8634c8
commit 2046809264
2 changed files with 20 additions and 8 deletions
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8
hutool-core/src/main/java/cn/hutool/core/lang/reflect/ActualTypeMapperPool.java
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@ -59,6 +59,14 @@ public class ActualTypeMapperPool {
return result; return result;
} }
/**
* 获得泛型变量对应的泛型实际类型，如果此变量没有对应的实际类型，返回null
*
* @param type 类
* @param genericArrayType 泛型数组类型
* @return 实际类型，可能为Class等
* @since 5.8.37
*/
public static Type getActualType(Type type, GenericArrayType genericArrayType) { public static Type getActualType(Type type, GenericArrayType genericArrayType) {
final Map<Type, Type> typeTypeMap = get(type); final Map<Type, Type> typeTypeMap = get(type);
Type actualType = typeTypeMap.get(genericArrayType); Type actualType = typeTypeMap.get(genericArrayType);

6
hutool-core/src/main/java/cn/hutool/core/util/TypeUtil.java
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@ -408,7 +408,11 @@ public class TypeUtil {
return ActualTypeMapperPool.getActualType(type, (TypeVariable<?>) typeVariable); return ActualTypeMapperPool.getActualType(type, (TypeVariable<?>) typeVariable);
} }
if (typeVariable instanceof GenericArrayType) { if (typeVariable instanceof GenericArrayType) {
return ActualTypeMapperPool.getActualType(type, (GenericArrayType) typeVariable); //return ActualTypeMapperPool.getActualType(type, (GenericArrayType) typeVariable);
final Type actualType = ActualTypeMapperPool.getActualType(type, (GenericArrayType) typeVariable);
if(null != actualType){
return actualType;
}
} }
// 没有需要替换的泛型变量，原样输出 // 没有需要替换的泛型变量，原样输出