fix code

hutool-core/src/main/java/org/dromara/hutool/core/bean/BeanDesc.java

@@ -16,8 +16,9 @@
 
 package org.dromara.hutool.core.bean;
 
+import org.dromara.hutool.core.reflect.Invoker;
+
 import java.io.Serializable;
-import java.lang.reflect.Method;
 import java.util.Collection;
 import java.util.Map;
 
@@ -62,7 +63,7 @@ public interface BeanDesc extends Serializable {
 	 * @param fieldName 字段名
 	 * @return Getter方法
 	 */
-	default Method getGetter(final String fieldName) {
+	default Invoker getGetter(final String fieldName) {
 		final PropDesc desc = getProp(fieldName);
 		return null == desc ? null : desc.getGetter();
 	}
@@ -73,7 +74,7 @@ public interface BeanDesc extends Serializable {
 	 * @param fieldName 字段名
 	 * @return Setter方法
 	 */
-	default Method getSetter(final String fieldName) {
+	default Invoker getSetter(final String fieldName) {
 		final PropDesc desc = getProp(fieldName);
 		return null == desc ? null : desc.getSetter();
 	}

hutool-core/src/main/java/org/dromara/hutool/core/bean/PropDesc.java

@@ -20,7 +20,7 @@ import org.dromara.hutool.core.annotation.AnnotationUtil;
 import org.dromara.hutool.core.annotation.PropIgnore;
 import org.dromara.hutool.core.convert.ConvertUtil;
 import org.dromara.hutool.core.reflect.*;
-import org.dromara.hutool.core.reflect.method.MethodUtil;
+import org.dromara.hutool.core.reflect.method.MethodInvoker;
 
 import java.beans.Transient;
 import java.lang.reflect.Field;
@@ -37,7 +37,7 @@ public class PropDesc {
 	/**
 	 * 字段
 	 */
-	private Field field;
+	private Invoker fieldInvoker;
 	/**
 	 * 字段名
 	 */
@@ -45,11 +45,11 @@ public class PropDesc {
 	/**
 	 * Getter方法
 	 */
-	protected Method getter;
+	protected Invoker getter;
 	/**
 	 * Setter方法
 	 */
-	protected Method setter;
+	protected Invoker setter;
 
 	/**
 	 * 构造<br>
@@ -61,7 +61,7 @@ public class PropDesc {
 	 */
 	public PropDesc(final Field field, final Method getter, final Method setter) {
 		this(FieldUtil.getFieldName(field), getter, setter);
-		this.field = field;
+		this.fieldInvoker = null == field ? null : FieldInvoker.of(field);
 	}
 
 	/**
@@ -69,13 +69,13 @@ public class PropDesc {
 	 * Getter和Setter方法设置为默认可访问
 	 *
 	 * @param fieldName    字段名
-	 * @param getter get方法
+	 * @param getterMethod get方法
-	 * @param setter set方法
+	 * @param setterMethod set方法
 	 */
-	public PropDesc(final String fieldName, final Method getter, final Method setter) {
+	public PropDesc(final String fieldName, final Method getterMethod, final Method setterMethod) {
 		this.fieldName = fieldName;
-		this.getter = ReflectUtil.setAccessible(getter);
+		this.getter = null == getterMethod ? null : MethodInvoker.of(getterMethod);
-		this.setter = ReflectUtil.setAccessible(setter);
+		this.setter = null == setterMethod ? null : MethodInvoker.of(setterMethod);
 	}
 
 	/**
@@ -94,7 +94,11 @@ public class PropDesc {
 	 * @since 5.1.6
 	 */
 	public String getRawFieldName() {
-		return null == this.field ? null : this.field.getName();
+		if (null == this.fieldInvoker) {
+			return this.fieldName;
+		}
+
+		return this.fieldInvoker.getName();
 	}
 
 	/**
@@ -103,7 +107,10 @@ public class PropDesc {
 	 * @return 字段
 	 */
 	public Field getField() {
-		return this.field;
+		if (null != this.fieldInvoker && this.fieldInvoker instanceof FieldInvoker) {
+			return ((FieldInvoker) this.fieldInvoker).getField();
+		}
+		return null;
 	}
 
 	/**
@@ -113,8 +120,8 @@ public class PropDesc {
 	 * @return 字段类型
 	 */
 	public Type getFieldType() {
-		if (null != this.field) {
+		if (null != this.fieldInvoker) {
-			return TypeUtil.getType(this.field);
+			return this.fieldInvoker.getType();
 		}
 		return findPropType(getter, setter);
 	}
@@ -126,27 +133,27 @@ public class PropDesc {
 	 * @return 字段类型
 	 */
 	public Class<?> getFieldClass() {
-		if (null != this.field) {
+		if (null != this.fieldInvoker) {
-			return TypeUtil.getClass(this.field);
+			return this.fieldInvoker.getTypeClass();
 		}
 		return findPropClass(getter, setter);
 	}
 
 	/**
-	 * 获取Getter方法，可能为{@code null}
+	 * 获取Getter方法Invoker，可能为{@code null}
 	 *
-	 * @return Getter方法
+	 * @return Getter方法Invoker
 	 */
-	public Method getGetter() {
+	public Invoker getGetter() {
 		return this.getter;
 	}
 
 	/**
-	 * 获取Setter方法，可能为{@code null}
+	 * 获取Setter方法Invoker，可能为{@code null}
 	 *
-	 * @return {@link Method}Setter 方法对象
+	 * @return {@link Method}Setter 方法Invoker
 	 */
-	public Method getSetter() {
+	public Invoker getSetter() {
 		return this.setter;
 	}
 
@@ -158,18 +165,27 @@ public class PropDesc {
 	 * @since 5.4.2
 	 */
 	public boolean isReadable(final boolean checkTransient) {
-		// 检查是否有getter方法或是否为public修饰
+		Field field = null;
-		if (null == this.getter && !ModifierUtil.isPublic(this.field)) {
+		if (this.fieldInvoker instanceof FieldInvoker) {
-			return false;
+			field = ((FieldInvoker) this.fieldInvoker).getField();
+		}
+		Method getterMethod = null;
+		if (this.getter instanceof MethodInvoker) {
+			getterMethod = ((MethodInvoker) this.getter).getMethod();
 		}
 
 		// 检查transient关键字和@Transient注解
-		if (checkTransient && isTransientForGet()) {
+		if (checkTransient && isTransientForGet(field, getterMethod)) {
 			return false;
 		}
 
 		// 检查@PropIgnore注解
-		return !isIgnoreGet();
+		if (isIgnoreGet(field, getterMethod)) {
+			return false;
+		}
+
+		// 检查是否有getter方法或是否为public修饰
+		return null != getterMethod || ModifierUtil.isPublic(field);
 	}
 
 	/**
@@ -183,11 +199,9 @@ public class PropDesc {
 	 */
 	public Object getValue(final Object bean) {
 		if (null != this.getter) {
-			// issue#3671 JDK15+ 修改了lambda的策略，动态生成后在metaspace不会释放，导致资源占用高
+			return this.getter.invoke(bean);
-			//return LambdaUtil.buildGetter(this.getter).apply(bean);
+		} else if (null != this.fieldInvoker) {
-			return MethodUtil.invoke(bean, this.getter);
+			return fieldInvoker.invoke(bean);
-		} else if (ModifierUtil.isPublic(this.field)) {
-			return FieldUtil.getFieldValue(bean, this.field);
 		}
 
 		return null;
@@ -230,18 +244,27 @@ public class PropDesc {
 	 * @since 5.4.2
 	 */
 	public boolean isWritable(final boolean checkTransient) {
-		// 检查是否有getter方法或是否为public修饰
+		Field field = null;
-		if (null == this.setter && !ModifierUtil.isPublic(this.field)) {
+		if (this.fieldInvoker instanceof FieldInvoker) {
-			return false;
+			field = ((FieldInvoker) this.fieldInvoker).getField();
+		}
+		Method setterMethod = null;
+		if (this.setter instanceof MethodInvoker) {
+			setterMethod = ((MethodInvoker) this.setter).getMethod();
 		}
 
 		// 检查transient关键字和@Transient注解
-		if (checkTransient && isTransientForSet()) {
+		if (checkTransient && isTransientForSet(field, setterMethod)) {
 			return false;
 		}
 
 		// 检查@PropIgnore注解
-		return !isIgnoreSet();
+		if(isIgnoreSet(field, setterMethod)){
+			return false;
+		}
+
+		// 检查是否有setter方法或是否为public修饰
+		return null != setterMethod || ModifierUtil.isPublic(field);
 	}
 
 	/**
@@ -256,9 +279,9 @@ public class PropDesc {
 	 */
 	public PropDesc setValue(final Object bean, final Object value) {
 		if (null != this.setter) {
-			MethodUtil.invoke(bean, this.setter, value);
+			this.setter.invoke(bean, value);
-		} else if (ModifierUtil.isPublic(this.field)) {
+		} else if (null != this.fieldInvoker) {
-			FieldUtil.setFieldValue(bean, this.field, value);
+			fieldInvoker.invoke(bean, value);
 		}
 		return this;
 	}
@@ -325,29 +348,29 @@ public class PropDesc {
 	@Override
 	public String toString() {
 		return "PropDesc{" +
-			"field=" + field +
+			"field=" + fieldInvoker +
 			", fieldName=" + fieldName +
 			", getter=" + getter +
 			", setter=" + setter +
 			'}';
 	}
 
-	//------------------------------------------------------------------------------------ Private method start
+	// region ----- private methods
 
 	/**
 	 * 通过Getter和Setter方法中找到属性类型
 	 *
-	 * @param getter Getter方法
+	 * @param getterInvoker Getter方法Invoker
-	 * @param setter Setter方法
+	 * @param setterInvoker Setter方法Invoker
 	 * @return {@link Type}
 	 */
-	private Type findPropType(final Method getter, final Method setter) {
+	private Type findPropType(final Invoker getterInvoker, final Invoker setterInvoker) {
 		Type type = null;
-		if (null != getter) {
+		if (null != getterInvoker) {
-			type = TypeUtil.getReturnType(getter);
+			type = getterInvoker.getType();
 		}
-		if (null == type && null != setter) {
+		if (null == type && null != setterInvoker) {
-			type = TypeUtil.getParamType(setter, 0);
+			type = setterInvoker.getType();
 		}
 		return type;
 	}
@@ -355,36 +378,21 @@ public class PropDesc {
 	/**
 	 * 通过Getter和Setter方法中找到属性类型
 	 *
-	 * @param getter Getter方法
+	 * @param getterInvoker Getter方法Invoker
-	 * @param setter Setter方法
+	 * @param setterInvoker Setter方法Invoker
 	 * @return {@link Type}
 	 */
-	private Class<?> findPropClass(final Method getter, final Method setter) {
+	private Class<?> findPropClass(final Invoker getterInvoker, final Invoker setterInvoker) {
 		Class<?> type = null;
-		if (null != getter) {
+		if (null != getterInvoker) {
-			type = TypeUtil.getReturnClass(getter);
+			type = getterInvoker.getTypeClass();
 		}
-		if (null == type && null != setter) {
+		if (null == type && null != setterInvoker) {
-			type = TypeUtil.getFirstParamClass(setter);
+			type = setterInvoker.getTypeClass();
 		}
 		return type;
 	}
 
-	/**
-	 * 检查字段是否被忽略写，通过{@link PropIgnore} 注解完成，规则为：
-	 * <pre>
-	 *     1. 在字段上有{@link PropIgnore} 注解
-	 *     2. 在setXXX方法上有{@link PropIgnore} 注解
-	 * </pre>
-	 *
-	 * @return 是否忽略写
-	 * @since 5.4.2
-	 */
-	private boolean isIgnoreSet() {
-		return AnnotationUtil.hasAnnotation(this.field, PropIgnore.class)
-				|| AnnotationUtil.hasAnnotation(this.setter, PropIgnore.class);
-	}
-
 	/**
 	 * 检查字段是否被忽略读，通过{@link PropIgnore} 注解完成，规则为：
 	 * <pre>
@@ -392,30 +400,48 @@ public class PropDesc {
 	 *     2. 在getXXX方法上有{@link PropIgnore} 注解
 	 * </pre>
 	 *
+	 * @param field        字段，可为{@code null}
+	 * @param getterMethod 读取方法，可为{@code null}
 	 * @return 是否忽略读
-	 * @since 5.4.2
 	 */
-	private boolean isIgnoreGet() {
+	private static boolean isIgnoreGet(final Field field, final Method getterMethod) {
-		return AnnotationUtil.hasAnnotation(this.field, PropIgnore.class)
+		return AnnotationUtil.hasAnnotation(field, PropIgnore.class)
-				|| AnnotationUtil.hasAnnotation(this.getter, PropIgnore.class);
+			|| AnnotationUtil.hasAnnotation(getterMethod, PropIgnore.class);
+	}
+
+	/**
+	 * 检查字段是否被忽略写，通过{@link PropIgnore} 注解完成，规则为：
+	 * <pre>
+	 *     1. 在字段上有{@link PropIgnore} 注解
+	 *     2. 在setXXX方法上有{@link PropIgnore} 注解
+	 * </pre>
+	 *
+	 * @param field        字段，可为{@code null}
+	 * @param setterMethod 写方法，可为{@code null}
+	 * @return 是否忽略写
+	 */
+	private static boolean isIgnoreSet(final Field field, final Method setterMethod) {
+		return AnnotationUtil.hasAnnotation(field, PropIgnore.class)
+			|| AnnotationUtil.hasAnnotation(setterMethod, PropIgnore.class);
 	}
 
 	/**
 	 * 字段和Getter方法是否为Transient关键字修饰的
 	 *
+	 * @param field        字段，可为{@code null}
+	 * @param getterMethod 读取方法，可为{@code null}
 	 * @return 是否为Transient关键字修饰的
-	 * @since 5.3.11
 	 */
-	private boolean isTransientForGet() {
+	private static boolean isTransientForGet(final Field field, final Method getterMethod) {
-		boolean isTransient = ModifierUtil.hasModifier(this.field, ModifierType.TRANSIENT);
+		boolean isTransient = ModifierUtil.hasModifier(field, ModifierType.TRANSIENT);
 
 		// 检查Getter方法
-		if (!isTransient && null != this.getter) {
+		if (!isTransient && null != getterMethod) {
-			isTransient = ModifierUtil.hasModifier(this.getter, ModifierType.TRANSIENT);
+			isTransient = ModifierUtil.hasModifier(getterMethod, ModifierType.TRANSIENT);
 
 			// 检查注解
 			if (!isTransient) {
-				isTransient = AnnotationUtil.hasAnnotation(this.getter, Transient.class);
+				isTransient = AnnotationUtil.hasAnnotation(getterMethod, Transient.class);
 			}
 		}
 
@@ -425,23 +451,24 @@ public class PropDesc {
 	/**
 	 * 字段和Getter方法是否为Transient关键字修饰的
 	 *
+	 * @param field        字段，可为{@code null}
+	 * @param setterMethod 写方法，可为{@code null}
 	 * @return 是否为Transient关键字修饰的
-	 * @since 5.3.11
 	 */
-	private boolean isTransientForSet() {
+	private static boolean isTransientForSet(final Field field, final Method setterMethod) {
-		boolean isTransient = ModifierUtil.hasModifier(this.field, ModifierType.TRANSIENT);
+		boolean isTransient = ModifierUtil.hasModifier(field, ModifierType.TRANSIENT);
 
 		// 检查Getter方法
-		if (!isTransient && null != this.setter) {
+		if (!isTransient && null != setterMethod) {
-			isTransient = ModifierUtil.hasModifier(this.setter, ModifierType.TRANSIENT);
+			isTransient = ModifierUtil.hasModifier(setterMethod, ModifierType.TRANSIENT);
 
 			// 检查注解
 			if (!isTransient) {
-				isTransient = AnnotationUtil.hasAnnotation(this.setter, Transient.class);
+				isTransient = AnnotationUtil.hasAnnotation(setterMethod, Transient.class);
 			}
 		}
 
 		return isTransient;
 	}
-	//------------------------------------------------------------------------------------ Private method end
+	// endregion
 }

hutool-core/src/main/java/org/dromara/hutool/core/bean/SimpleBeanDesc.java

@@ -17,6 +17,8 @@
 package org.dromara.hutool.core.bean;
 
 import org.dromara.hutool.core.bean.path.AbstractBeanDesc;
+import org.dromara.hutool.core.reflect.TypeUtil;
+import org.dromara.hutool.core.reflect.method.MethodInvoker;
 import org.dromara.hutool.core.reflect.method.MethodNameUtil;
 import org.dromara.hutool.core.reflect.method.MethodUtil;
 import org.dromara.hutool.core.util.BooleanUtil;
@@ -86,17 +88,17 @@ public class SimpleBeanDesc extends AbstractBeanDesc {
 			} else{
 				if(isSetter){
 					if(null == propDesc.setter ||
-						propDesc.setter.getParameterTypes()[0].isAssignableFrom(method.getParameterTypes()[0])){
+						propDesc.setter.getTypeClass().isAssignableFrom(method.getParameterTypes()[0])){
 						// 如果存在多个重载的setter方法，选择参数类型最匹配的
-						propDesc.setter = method;
+						propDesc.setter = MethodInvoker.of(method);
 					}
 				}else{
 					if(null == propDesc.getter ||
-						(BooleanUtil.isBoolean(propDesc.getter.getReturnType()) &&
+						(BooleanUtil.isBoolean(propDesc.getter.getTypeClass()) &&
 							BooleanUtil.isBoolean(method.getReturnType()) &&
 							methodName.startsWith(MethodNameUtil.IS_PREFIX))){
 						// 如果返回值为Boolean或boolean，isXXX优先于getXXX
-						propDesc.getter = method;
+						propDesc.getter = MethodInvoker.of(method);
 					}
 				}
 			}

hutool-core/src/main/java/org/dromara/hutool/core/convert/RegisterConverter.java

@@ -259,8 +259,6 @@ public class RegisterConverter implements Converter, Serializable {
 		defaultConverterMap.put(AtomicLongArray.class, new AtomicLongArrayConverter());
 
 		// 其它类型
-		defaultConverterMap.put(TimeZone.class, new TimeZoneConverter());
-		defaultConverterMap.put(ZoneId.class, new ZoneIdConverter());
 		defaultConverterMap.put(Locale.class, new LocaleConverter());
 		defaultConverterMap.put(Charset.class, new CharsetConverter());
 		defaultConverterMap.put(Path.class, new PathConverter());

hutool-core/src/main/java/org/dromara/hutool/core/convert/SpecialConverter.java

@@ -94,6 +94,10 @@ public class SpecialConverter implements Converter, Serializable {
 		// // 空值转空Bean
 		converterSet.add(EmptyBeanConverter.INSTANCE);
 
+		// 日期相关
+		converterSet.add(TimeZoneConverter.INSTANCE);
+		converterSet.add(ZoneIdConverter.INSTANCE);
+
 		this.converterSet = converterSet;
 	}
 

hutool-core/src/main/java/org/dromara/hutool/core/convert/impl/TimeZoneConverter.java

@@ -17,8 +17,10 @@
 package org.dromara.hutool.core.convert.impl;
 
 import org.dromara.hutool.core.convert.AbstractConverter;
+import org.dromara.hutool.core.convert.MatcherConverter;
 import org.dromara.hutool.core.date.ZoneUtil;
 
+import java.lang.reflect.Type;
 import java.time.ZoneId;
 import java.util.TimeZone;
 
@@ -27,9 +29,19 @@ import java.util.TimeZone;
  * @author Looly
  *
  */
-public class TimeZoneConverter extends AbstractConverter{
+public class TimeZoneConverter extends AbstractConverter implements MatcherConverter {
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 单例
+	 */
+	public static final TimeZoneConverter INSTANCE = new TimeZoneConverter();
+
+	@Override
+	public boolean match(final Type targetType, final Class<?> rawType, final Object value) {
+		return TimeZone.class.isAssignableFrom(rawType);
+	}
+
 	@Override
 	protected TimeZone convertInternal(final Class<?> targetClass, final Object value) {
 		if(value instanceof ZoneId){
@@ -37,5 +49,4 @@ public class TimeZoneConverter extends AbstractConverter{
 		}
 		return TimeZone.getTimeZone(convertToStr(value));
 	}
-
 }

hutool-core/src/main/java/org/dromara/hutool/core/convert/impl/ZoneIdConverter.java

@@ -17,8 +17,10 @@
 package org.dromara.hutool.core.convert.impl;
 
 import org.dromara.hutool.core.convert.AbstractConverter;
+import org.dromara.hutool.core.convert.MatcherConverter;
 import org.dromara.hutool.core.date.ZoneUtil;
 
+import java.lang.reflect.Type;
 import java.time.ZoneId;
 import java.util.TimeZone;
 
@@ -27,9 +29,19 @@ import java.util.TimeZone;
  *
  * @author Looly
  */
-public class ZoneIdConverter extends AbstractConverter {
+public class ZoneIdConverter extends AbstractConverter implements MatcherConverter {
 	private static final long serialVersionUID = 1L;
 
+	/**
+	 * 单例
+	 */
+	public static final ZoneIdConverter INSTANCE = new ZoneIdConverter();
+
+	@Override
+	public boolean match(final Type targetType, final Class<?> rawType, final Object value) {
+		return ZoneId.class.isAssignableFrom(rawType);
+	}
+
 	@Override
 	protected ZoneId convertInternal(final Class<?> targetClass, final Object value) {
 		if (value instanceof TimeZone) {
@@ -37,5 +49,4 @@ public class ZoneIdConverter extends AbstractConverter {
 		}
 		return ZoneId.of(convertToStr(value));
 	}
-
 }

hutool-core/src/main/java/org/dromara/hutool/core/date/DateTime.java

@@ -80,7 +80,7 @@ public class DateTime extends Date {
 	/**
 	 * 时区
 	 */
-	private TimeZone timeZone;
+	private transient TimeZone timeZone;
 
 	/**
 	 * 第一周最少天数

hutool-core/src/main/java/org/dromara/hutool/core/func/LambdaUtil.java

@@ -24,6 +24,7 @@ import org.dromara.hutool.core.lang.Opt;
 import org.dromara.hutool.core.map.reference.WeakConcurrentMap;
 import org.dromara.hutool.core.reflect.ClassDescUtil;
 import org.dromara.hutool.core.reflect.ModifierUtil;
+import org.dromara.hutool.core.reflect.method.MethodInvoker;
 import org.dromara.hutool.core.reflect.method.MethodUtil;
 
 import java.io.Serializable;
@@ -171,9 +172,9 @@ public class LambdaUtil {
 	 * @param <R>       getter方法返回值类型
 	 * @return Obj::getXxx
 	 */
-	@SuppressWarnings("unchecked")
 	public static <T, R> Function<T, R> buildGetter(final Class<T> clazz, final String fieldName) {
-		return LambdaFactory.build(Function.class, BeanUtil.getBeanDesc(clazz).getGetter(fieldName));
+		final MethodInvoker getter = (MethodInvoker) BeanUtil.getBeanDesc(clazz).getGetter(fieldName);
+		return buildGetter(getter.getMethod());
 	}
 
 	/**
@@ -205,9 +206,9 @@ public class LambdaUtil {
 	 * @param <P>       setter方法返回的值类型
 	 * @return Obj::setXxx
 	 */
-	@SuppressWarnings("unchecked")
 	public static <T, P> BiConsumer<T, P> buildSetter(final Class<T> clazz, final String fieldName) {
-		return LambdaFactory.build(BiConsumer.class, BeanUtil.getBeanDesc(clazz).getSetter(fieldName));
+		final MethodInvoker setter = (MethodInvoker) BeanUtil.getBeanDesc(clazz).getSetter(fieldName);
+		return buildSetter(setter.getMethod());
 	}
 
 	/**

hutool-core/src/main/java/org/dromara/hutool/core/lang/Opt.java

@@ -163,6 +163,19 @@ public class Opt<T> {
 		return this.value;
 	}
 
+	/**
+	 * 返回包裹里的元素，取不到则抛出异常
+	 *
+	 * @return 包裹里的元素
+	 * @throws NoSuchElementException 如果元素为空，则抛出此异常
+	 */
+	public T getOrThrow() throws NoSuchElementException {
+		if (this.value == null) {
+			throw new NoSuchElementException("No value present");
+		}
+		return this.value;
+	}
+
 	/**
 	 * 判断包裹里元素的值是否不存在，不存在为 {@code true}，否则为{@code false}
 	 *

hutool-core/src/main/java/org/dromara/hutool/core/reflect/FieldInvoker.java

@@ -22,6 +22,7 @@ import org.dromara.hutool.core.exception.HutoolException;
 import org.dromara.hutool.core.lang.Assert;
 
 import java.lang.reflect.Field;
+import java.lang.reflect.Type;
 
 /**
  * 字段调用器<br>
@@ -30,7 +31,7 @@ import java.lang.reflect.Field;
  * <pre>{@code
  *   FieldInvoker.of(Field).invoke(obj);
  * }</pre>
- *
+ * <p>
  * 赋值字段值：
  * <pre>{@code
  *   FieldInvoker.of(Field).invoke(obj, value);
@@ -60,7 +61,32 @@ public class FieldInvoker implements Invoker {
 	 * @param field 字段
 	 */
 	public FieldInvoker(final Field field) {
-		this.field = Assert.notNull(field);;
+		this.field = Assert.notNull(field);
+		;
+	}
+
+	/**
+	 * 获取字段
+	 *
+	 * @return 字段
+	 */
+	public Field getField() {
+		return this.field;
+	}
+
+	@Override
+	public String getName() {
+		return this.field.getName();
+	}
+
+	@Override
+	public Type getType() {
+		return field.getGenericType();
+	}
+
+	@Override
+	public Class<?> getTypeClass() {
+		return field.getType();
 	}
 
 	/**
@@ -77,10 +103,10 @@ public class FieldInvoker implements Invoker {
 	@SuppressWarnings("unchecked")
 	@Override
 	public <T> T invoke(final Object target, final Object... args) {
-		if(ArrayUtil.isEmpty(args)){
+		if (ArrayUtil.isEmpty(args)) {
 			// 默认取值
 			return (T) invokeGet(target);
-		} else if(args.length == 1){
+		} else if (args.length == 1) {
 			invokeSet(target, args[0]);
 			return null;
 		}
@@ -130,19 +156,14 @@ public class FieldInvoker implements Invoker {
 		}
 	}
 
-	@Override
-	public Class<?> getType() {
-		return field.getType();
-	}
-
 	/**
 	 * 转换值类型
 	 *
 	 * @param value 值
 	 * @return 转换后的值
 	 */
-	private Object convertValue(final Object value){
+	private Object convertValue(final Object value) {
-		if(null == converter){
+		if (null == converter) {
 			return value;
 		}
 

hutool-core/src/main/java/org/dromara/hutool/core/reflect/Invoker.java

@@ -16,6 +16,8 @@
 
 package org.dromara.hutool.core.reflect;
 
+import java.lang.reflect.Type;
+
 /**
  * Invoker接口定义了调用目标对象的方法的规范。<br>
  * 它允许动态地调用方法，增强了代码的灵活性和扩展性。<br>
@@ -36,10 +38,24 @@ public interface Invoker {
 	<T> T invoke(Object target, Object... args);
 
 	/**
-	 * 获取调用方法的返回类型或参数类型。
+	 * 获取调用方法的名称。
+	 *
+	 * @return 调用方法的名称，作为字符串返回。
+	 */
+	String getName();
+
+	/**
+	 * 获取调用方法的返回类型或参数类型或字段类型。
 	 *
 	 * @return 调用方法的返回类型，作为Class对象返回。
 	 */
-	Class<?> getType();
+	Type getType();
+
+	/**
+	 * 获取调用方法的返回类型或参数类型或字段类型。
+	 *
+	 * @return 调用方法的返回类型，作为Class对象返回。
+	 */
+	Class<?> getTypeClass();
 }
 

hutool-core/src/main/java/org/dromara/hutool/core/reflect/TypeUtil.java

@@ -20,12 +20,7 @@ import org.dromara.hutool.core.array.ArrayUtil;
 import org.dromara.hutool.core.collection.ListUtil;
 import org.dromara.hutool.core.util.ObjUtil;
 
-import java.lang.reflect.Field;
+import java.lang.reflect.*;
-import java.lang.reflect.Method;
-import java.lang.reflect.ParameterizedType;
-import java.lang.reflect.Type;
-import java.lang.reflect.TypeVariable;
-import java.lang.reflect.WildcardType;
 import java.util.List;
 import java.util.Map;
 
@@ -66,6 +61,8 @@ public class TypeUtil {
 				if (upperBounds.length == 1) {
 					return getClass(upperBounds[0]);
 				}
+			} else if(type instanceof GenericArrayType){
+				return Array.newInstance(getClass(((GenericArrayType)type).getGenericComponentType()), 0).getClass();
 			}
 		}
 		return null;

hutool-core/src/main/java/org/dromara/hutool/core/reflect/method/MethodInvoker.java

@@ -18,12 +18,11 @@ package org.dromara.hutool.core.reflect.method;
 
 import org.dromara.hutool.core.exception.HutoolException;
 import org.dromara.hutool.core.lang.Assert;
-import org.dromara.hutool.core.reflect.ClassUtil;
+import org.dromara.hutool.core.reflect.*;
-import org.dromara.hutool.core.reflect.Invoker;
-import org.dromara.hutool.core.reflect.ModifierUtil;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.lang.reflect.Type;
 
 /**
  * 方法调用器，通过反射调用方法。
@@ -43,8 +42,10 @@ public class MethodInvoker implements Invoker {
 	}
 
 	private final Method method;
-	private final Class<?>[] paramTypes;
+	private final Type[] paramTypes;
-	private final Class<?> type;
+	private final Class<?>[] paramTypeClasses;
+	private final Type type;
+	private final Class<?> typeClass;
 	private boolean checkArgs;
 
 	/**
@@ -53,17 +54,53 @@ public class MethodInvoker implements Invoker {
 	 * @param method 方法
 	 */
 	public MethodInvoker(final Method method) {
-		this.method = method;
+		this.method = ReflectUtil.setAccessible(Assert.notNull(method));
 
-		this.paramTypes = method.getParameterTypes();
+		this.paramTypes = TypeUtil.getParamTypes(method);
+		this.paramTypeClasses = method.getParameterTypes();
 		if (paramTypes.length == 1) {
 			// setter方法读取参数类型
 			type = paramTypes[0];
+			typeClass = paramTypeClasses[0];
 		} else {
 			type = method.getReturnType();
+			typeClass = method.getReturnType();
 		}
 	}
 
+	/**
+	 * 获取方法
+	 *
+	 * @return 方法
+	 */
+	public Method getMethod() {
+		return this.method;
+	}
+
+	/**
+	 * 获取方法参数类型
+	 *
+	 * @return 方法参数类型
+	 */
+	public Type[] getParamTypes() {
+		return this.paramTypes;
+	}
+
+	@Override
+	public String getName() {
+		return this.method.getName();
+	}
+
+	@Override
+	public Type getType() {
+		return this.type;
+	}
+
+	@Override
+	public Class<?> getTypeClass() {
+		return this.typeClass;
+	}
+
 	/**
 	 * 设置是否检查参数<br>
 	 * <pre>
@@ -81,19 +118,21 @@ public class MethodInvoker implements Invoker {
 
 	@SuppressWarnings("unchecked")
 	@Override
-	public <T> T invoke(Object target, final Object... args) throws HutoolException{
+	public <T> T invoke(Object target, final Object... args) throws HutoolException {
-		if(this.checkArgs){
+		if (this.checkArgs) {
 			checkArgs(args);
 		}
 
 		final Method method = this.method;
 		// static方法调用则target为null
-		if(ModifierUtil.isStatic(method)){
+		if (ModifierUtil.isStatic(method)) {
 			target = null;
 		}
 		// 根据方法定义的参数类型，将用户传入的参数规整和转换
 		final Object[] actualArgs = MethodUtil.actualArgs(method, args);
 		try {
+			// issue#3671 JDK15+ 修改了lambda的策略，动态生成后在metaspace不会释放，导致资源占用高
+			//return (T) LambdaUtil.buildGetter(method).apply(target);
 			return MethodHandleUtil.invokeExact(target, method, actualArgs);
 		} catch (final Exception e) {
 			// 传统反射方式执行方法
@@ -117,11 +156,6 @@ public class MethodInvoker implements Invoker {
 		return invoke(null, args);
 	}
 
-	@Override
-	public Class<?> getType() {
-		return this.type;
-	}
-
 	/**
 	 * 检查传入参数的有效性。
 	 *
@@ -129,12 +163,12 @@ public class MethodInvoker implements Invoker {
 	 * @throws IllegalArgumentException 如果参数数组为空或长度为0，则抛出此异常。
 	 */
 	private void checkArgs(final Object[] args) {
-		final Class<?>[] paramTypes = this.paramTypes;
+		final Class<?>[] paramTypeClasses = this.paramTypeClasses;
 		if (null != args) {
-			Assert.isTrue(args.length == paramTypes.length, "Params length [{}] is not fit for param length [{}] of method !", args.length, paramTypes.length);
+			Assert.isTrue(args.length == paramTypeClasses.length, "Params length [{}] is not fit for param length [{}] of method !", args.length, paramTypeClasses.length);
 			Class<?> type;
 			for (int i = 0; i < args.length; i++) {
-				type = paramTypes[i];
+				type = paramTypeClasses[i];
 				if (type.isPrimitive() && null == args[i]) {
 					// 参数是原始类型，而传入参数为null时赋予默认值
 					args[i] = ClassUtil.getDefaultValue(type);

hutool-core/src/main/java/org/dromara/hutool/core/util/BooleanUtil.java

@@ -20,6 +20,7 @@ import org.dromara.hutool.core.array.ArrayUtil;
 import org.dromara.hutool.core.collection.set.SetUtil;
 import org.dromara.hutool.core.text.StrUtil;
 
+import java.lang.reflect.Type;
 import java.util.Set;
 
 /**
@@ -532,11 +533,11 @@ public class BooleanUtil {
 	/**
 	 * 给定类是否为Boolean或者boolean
 	 *
-	 * @param clazz 类
+	 * @param type 类
 	 * @return 是否为Boolean或者boolean
 	 * @since 4.5.2
 	 */
-	public static boolean isBoolean(final Class<?> clazz) {
+	public static boolean isBoolean(final Type type) {
-		return (clazz == Boolean.class || clazz == boolean.class);
+		return (type == Boolean.class || type == boolean.class);
 	}
 }

hutool-core/src/test/java/org/dromara/hutool/core/bean/BeanDescTest.java

@@ -17,9 +17,12 @@
 package org.dromara.hutool.core.bean;
 
 import org.dromara.hutool.core.bean.path.AbstractBeanDesc;
+import org.dromara.hutool.core.reflect.method.MethodInvoker;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
+import java.lang.reflect.Method;
+
 /**
  * {@link StrictBeanDesc} 单元测试类
  *
@@ -38,8 +41,10 @@ public class BeanDescTest {
 		Assertions.assertEquals("age", desc.getProp("age").getFieldName());
 		Assertions.assertEquals("getAge", desc.getGetter("age").getName());
 		Assertions.assertEquals("setAge", desc.getSetter("age").getName());
-		Assertions.assertEquals(1, desc.getSetter("age").getParameterTypes().length);
+
-		Assertions.assertSame(int.class, desc.getSetter("age").getParameterTypes()[0]);
+		final MethodInvoker setter = (MethodInvoker) desc.getSetter("age");
+		Assertions.assertEquals(1, setter.getMethod().getParameterTypes().length);
+		Assertions.assertSame(int.class, setter.getMethod().getParameterTypes()[0]);
 
 	}
 
@@ -51,8 +56,11 @@ public class BeanDescTest {
 		Assertions.assertEquals("name", prop.getFieldName());
 		Assertions.assertEquals("getName", prop.getGetter().getName());
 		Assertions.assertEquals("setName", prop.getSetter().getName());
-		Assertions.assertEquals(1, prop.getSetter().getParameterTypes().length);
+
-		Assertions.assertSame(String.class, prop.getSetter().getParameterTypes()[0]);
+		final MethodInvoker setter = (MethodInvoker) desc.getSetter("name");
+		final Method setterMethod = setter.getMethod();
+		Assertions.assertEquals(1, setterMethod.getParameterTypes().length);
+		Assertions.assertSame(String.class, setterMethod.getParameterTypes()[0]);
 	}
 
 	@Test

hutool-db/src/main/java/org/dromara/hutool/db/handler/row/BeanRowHandler.java

@@ -19,12 +19,11 @@ package org.dromara.hutool.db.handler.row;
 import org.dromara.hutool.core.bean.BeanUtil;
 import org.dromara.hutool.core.bean.PropDesc;
 import org.dromara.hutool.core.reflect.ConstructorUtil;
-import org.dromara.hutool.core.reflect.TypeUtil;
+import org.dromara.hutool.core.reflect.Invoker;
-import org.dromara.hutool.core.reflect.method.MethodUtil;
+import org.dromara.hutool.core.reflect.method.MethodInvoker;
 import org.dromara.hutool.core.text.StrUtil;
 import org.dromara.hutool.db.handler.ResultSetUtil;
 
-import java.lang.reflect.Method;
 import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
 import java.sql.SQLException;
@@ -63,7 +62,7 @@ public class BeanRowHandler<T> extends AbsRowHandler<T> {
 		final Map<String, PropDesc> propMap = BeanUtil.getBeanDesc(beanType).getPropMap(this.caseInsensitive);
 		String columnLabel;
 		PropDesc pd;
-		Method setter;
+		Invoker setter;
 		Object value;
 		for (int i = 1; i <= columnCount; i++) {
 			columnLabel = meta.getColumnLabel(i);
@@ -74,8 +73,12 @@ public class BeanRowHandler<T> extends AbsRowHandler<T> {
 			}
 			setter = (null == pd) ? null : pd.getSetter();
 			if (null != setter) {
-				value = ResultSetUtil.getColumnValue(rs, i, meta.getColumnType(i), TypeUtil.getFirstParamType(setter));
+				value = ResultSetUtil.getColumnValue(rs, i, meta.getColumnType(i), setter.getType());
-				MethodUtil.invokeWithCheck(bean, setter, value);
+				if(setter instanceof MethodInvoker){
+					MethodInvoker.of(((MethodInvoker) setter).getMethod()).setCheckArgs(true).invoke(bean, value);
+				}else {
+					setter.invoke(bean, value);
+				}
 			}
 		}
 		return bean;

hutool-json/src/main/java/org/dromara/hutool/json/JSON.java

@@ -20,6 +20,7 @@ import org.dromara.hutool.core.bean.path.BeanPath;
 import org.dromara.hutool.core.convert.ConvertException;
 import org.dromara.hutool.core.convert.Converter;
 import org.dromara.hutool.core.lang.mutable.MutableEntry;
+import org.dromara.hutool.core.util.ObjUtil;
 
 import java.io.Serializable;
 import java.io.StringWriter;
@@ -43,7 +44,7 @@ public interface JSON extends Converter, Cloneable, Serializable {
 	JSONConfig config();
 
 	/**
-	 * JSON大小，对于JSONObject，是键值对的多少，JSONArray则是元素的个数
+	 * JSON大小，对于JSONObject，是键值对的多少，JSONArray则是元素的个数，JSON原始数据为1
 	 *
 	 * @return 大小
 	 */
@@ -192,6 +193,6 @@ public interface JSON extends Converter, Cloneable, Serializable {
 
 	@Override
 	default Object convert(final Type targetType, final Object value) throws ConvertException {
-		return config().getConverter().convert(targetType, value);
+		return ObjUtil.defaultIfNull(config(), JSONConfig::of).getConverter().convert(targetType, value);
 	}
 }

hutool-json/src/main/java/org/dromara/hutool/json/JSONPrimitive.java

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2024 Hutool Team and hutool.cn
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.dromara.hutool.json;
+
+import org.dromara.hutool.core.lang.Assert;
+import org.dromara.hutool.core.lang.mutable.MutableEntry;
+import org.dromara.hutool.json.writer.GlobalValueWriters;
+import org.dromara.hutool.json.writer.JSONValueWriter;
+import org.dromara.hutool.json.writer.JSONWriter;
+
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.function.Predicate;
+
+/**
+ * JSON原始类型数据封装，根据RFC8259规范，JSONPrimitive只包含以下类型：
+ * <ul>
+ *     <li>number</li>
+ *     <li>string</li>
+ *     <li>null</li>
+ * </ul>
+ *
+ * @author Looly
+ * @since 6.0.0
+ */
+public class JSONPrimitive implements JSON {
+	private static final long serialVersionUID = -2026215279191790345L;
+
+	private Object value;
+	/**
+	 * 配置项
+	 */
+	private JSONConfig config;
+
+	/**
+	 * 构造
+	 *
+	 * @param value 值
+	 */
+	public JSONPrimitive(final Object value) {
+		this(value, null);
+	}
+
+	/**
+	 * 构造
+	 *
+	 * @param value  值
+	 * @param config 配置项
+	 */
+	public JSONPrimitive(final Object value, final JSONConfig config) {
+		this.value = Assert.notNull(value);
+		this.config = config;
+	}
+
+	/**
+	 * 获取值
+	 *
+	 * @return 值
+	 */
+	public Object getValue() {
+		return this.value;
+	}
+
+	/**
+	 * 设置值
+	 *
+	 * @param value 值
+	 * @return this
+	 */
+	public JSONPrimitive setValue(final Object value) {
+		this.value = value;
+		return this;
+	}
+
+	@Override
+	public JSONConfig config() {
+		return this.config;
+	}
+
+	/**
+	 * 设置配置项
+	 *
+	 * @param config 配置项
+	 * @return this
+	 */
+	JSONPrimitive setConfig(final JSONConfig config) {
+		this.config = config;
+		return this;
+	}
+
+	@Override
+	public int size() {
+		return 1;
+	}
+
+	@Override
+	public Writer write(final Writer writer, final int indentFactor, final int indent, final Predicate<MutableEntry<Object, Object>> predicate) throws JSONException {
+		final Object value = this.value;
+		final JSONWriter jsonWriter = JSONWriter.of(writer, indentFactor, indent, config);
+
+		// 自定义规则
+		final JSONValueWriter valueWriter = GlobalValueWriters.get(value);
+		if (null != valueWriter) {
+			valueWriter.write(jsonWriter, value);
+			return writer;
+		}
+
+		// 默认包装字符串
+		jsonWriter.writeQuoteStrValue(value.toString());
+		return writer;
+	}
+
+	@Override
+	public String toString() {
+		final StringWriter sw = new StringWriter();
+		return this.write(sw, 0, 0, null).toString();
+	}
+}

hutool-json/src/main/java/org/dromara/hutool/json/JSONUtil.java

@@ -16,7 +16,6 @@
 
 package org.dromara.hutool.json;
 
-import org.dromara.hutool.core.convert.ConvertUtil;
 import org.dromara.hutool.core.io.IORuntimeException;
 import org.dromara.hutool.core.io.file.FileUtil;
 import org.dromara.hutool.core.lang.Assert;
@@ -161,7 +160,7 @@ public class JSONUtil {
 	 * @param obj 对象
 	 * @return JSON
 	 */
-	public static Object parse(final Object obj) {
+	public static JSON parse(final Object obj) {
 		return parse(obj, null);
 	}
 
@@ -178,7 +177,7 @@ public class JSONUtil {
 	 * @param config JSON配置，{@code null}使用默认配置
 	 * @return JSON（JSONObject or JSONArray）
 	 */
-	public static Object parse(final Object obj, final JSONConfig config) {
+	public static JSON parse(final Object obj, final JSONConfig config) {
 		if (null == config) {
 			return JSONConverter.INSTANCE.toJSON(obj);
 		}
@@ -378,26 +377,21 @@ public class JSONUtil {
 	 * 转为实体类对象
 	 *
 	 * @param <T>    Bean类型
-	 * @param json   JSONObject
+	 * @param obj   JSONObject
 	 * @param config JSON配置
 	 * @param type   实体类对象类型
 	 * @return 实体类对象
 	 * @since 4.3.2
 	 */
-	public static <T> T toBean(Object json, final JSONConfig config, Type type) {
+	public static <T> T toBean(final Object obj, final JSONConfig config, Type type) {
-		if (null == json) {
+		if (null == obj) {
 			return null;
 		}
-		json = parse(json, config);
+		final JSON json = parse(obj, config);
-		if (json instanceof JSON) {
 		if (type instanceof TypeReference) {
 			type = ((TypeReference<?>) type).getType();
 		}
-			return ((JSON) json).toBean(type);
+		return json.toBean(type);
-		}
-
-		//issue#I7CW27，其他类型使用默认转换
-		return ConvertUtil.convert(type, json);
 	}
 	// -------------------------------------------------------------------- toBean end
 

hutool-json/src/main/java/org/dromara/hutool/json/convert/JSONConverter.java

@@ -29,7 +29,6 @@ import org.dromara.hutool.core.reflect.TypeReference;
 import org.dromara.hutool.core.reflect.TypeUtil;
 import org.dromara.hutool.core.reflect.kotlin.KClassUtil;
 import org.dromara.hutool.core.text.StrUtil;
-import org.dromara.hutool.core.util.ObjUtil;
 import org.dromara.hutool.json.*;
 import org.dromara.hutool.json.serialize.JSONDeserializer;
 import org.dromara.hutool.json.serialize.JSONStringer;
@@ -63,6 +62,7 @@ public class JSONConverter implements Converter, Serializable {
 		final RegisterConverter converter = RegisterConverter.getInstance();
 		converter.register(JSONObject.class, INSTANCE);
 		converter.register(JSONArray.class, INSTANCE);
+		converter.register(JSONPrimitive.class, INSTANCE);
 	}
 
 	/**
@@ -137,7 +137,7 @@ public class JSONConverter implements Converter, Serializable {
 	 * @return 转换后的对象
 	 * @throws JSONException 转换异常
 	 */
-	public Object toJSON(Object obj) throws JSONException {
+	public JSON toJSON(Object obj) throws JSONException {
 		if (null == obj) {
 			return null;
 		}
@@ -148,10 +148,17 @@ public class JSONConverter implements Converter, Serializable {
 			obj = ((Opt<?>) obj).getOrNull();
 		}
 
+		if(obj instanceof JSON){
+			return (JSON) obj;
+		}
+
+		if (obj instanceof Number || obj instanceof Boolean) {
+			// RFC8259规范的原始类型数据
+			return new JSONPrimitive(obj, config);
+		}
+
 		final JSON json;
-		if (obj instanceof JSON || obj instanceof Number || obj instanceof Boolean) {
+		if (obj instanceof CharSequence) {
-			return obj;
-		} else if (obj instanceof CharSequence) {
 			return toJSON((CharSequence) obj);
 		} else if (obj instanceof MapWrapper) {
 			// MapWrapper实现了Iterable会被当作JSONArray，此处做修正
@@ -173,7 +180,7 @@ public class JSONConverter implements Converter, Serializable {
 	 * @return 转换后的对象
 	 * @throws JSONException 转换异常
 	 */
-	public Object toJSON(final CharSequence str) throws JSONException {
+	public JSON toJSON(final CharSequence str) throws JSONException {
 		if (null == str) {
 			return null;
 		}
@@ -184,7 +191,7 @@ public class JSONConverter implements Converter, Serializable {
 			// 未被包装的空串理解为null
 			return null;
 		}
-		final char firstC = jsonStr.charAt(0);
+
 		// RFC8259，JSON字符串值、number, boolean, or null
 		final JSONParser jsonParser = JSONParser.of(new JSONTokener(jsonStr), config);
 		final Object value = jsonParser.nextValue();
@@ -192,17 +199,10 @@ public class JSONConverter implements Converter, Serializable {
 			// 对于用户提供的未转义字符串导致解析未结束，报错
 			throw new JSONException("JSON format error: {}", jsonStr);
 		}
-		switch (firstC) {
+		if(null == value || value instanceof JSON){
-			case '"':
+			return (JSON) value;
-			case '\'':
-				return InternalJSONUtil.quote((CharSequence) value);
-			default:
-				if (ObjUtil.equals(jsonStr, value)) {
-					// 对于直接的字符串，如abc，按照字符串处理
-					return InternalJSONUtil.quote((CharSequence) value);
-				}
-				return value;
 		}
+		return new JSONPrimitive(value, config);
 	}
 
 	// ----------------------------------------------------------- Private method start
@@ -220,16 +220,16 @@ public class JSONConverter implements Converter, Serializable {
 	 */
 	@SuppressWarnings("unchecked")
 	private <T> T toBean(final Type targetType, final JSON json) {
-
 		// 自定义对象反序列化
 		final JSONDeserializer<Object> deserializer = InternalJSONUtil.getDeserializer(targetType);
+
 		if (null != deserializer) {
 			return (T) deserializer.deserialize(json);
 		}
 
+		// 当目标类型不确定时，返回原JSON
 		final Class<T> rawType = (Class<T>) TypeUtil.getClass(targetType);
 		if (null == rawType) {
-			// 当目标类型不确定时，返回原JSON
 			return (T) json;
 			//throw new JSONException("Can not get class from type: {}", targetType);
 		}
@@ -239,21 +239,29 @@ public class JSONConverter implements Converter, Serializable {
 			return KClassUtil.newInstance(rawType, new JSONGetterValueProvider<>((JSONGetter<String>) json));
 		}
 
+		final Object value;
+		// JSON原始类型
+		if(json instanceof JSONPrimitive){
+			value = ((JSONPrimitive) json).getValue();
+		} else {
+			value = json;
+		}
+
 		// 标准转换器
-		final Converter converter = RegisterConverter.getInstance().getConverter(targetType, json, true);
+		final Converter converter = RegisterConverter.getInstance().getConverter(targetType, value, true);
 		if (null != converter) {
-			return (T) converter.convert(targetType, json);
+			return (T) converter.convert(targetType, value);
 		}
 
 		// 特殊类型转换，包括Collection、Map、强转、Array等
-		final T result = (T) SpecialConverter.getInstance().convert(targetType, rawType, json);
+		final T result = (T) SpecialConverter.getInstance().convert(targetType, rawType, value);
 		if (null != result) {
 			return result;
 		}
 
 		// 尝试转Bean
 		if (BeanUtil.isWritableBean(rawType)) {
-			return BeanCopier.of(json,
+			return BeanCopier.of(value,
 				ConstructorUtil.newInstanceIfPossible(rawType), targetType,
 				InternalJSONUtil.toCopyOptions(json.config())).copy();
 		}

hutool-json/src/main/java/org/dromara/hutool/json/engine/HutoolJSONEngine.java

@@ -38,14 +38,14 @@ public class HutoolJSONEngine extends AbstractJSONEngine {
 	@Override
 	public void serialize(final Object bean, final Writer writer) {
 		initEngine();
-		final JSON json = (JSON) JSONUtil.parse(bean, this.hutoolSJONConfig);
+		final JSON json = JSONUtil.parse(bean, this.hutoolSJONConfig);
 		json.write(writer, ObjUtil.defaultIfNull(this.config, JSONEngineConfig::isPrettyPrint, false) ? 2 : 0, 0, null);
 	}
 
 	@Override
 	public <T> T deserialize(final Reader reader, final Object type) {
 		initEngine();
-		final JSON json = (JSON) JSONUtil.parse(reader, this.hutoolSJONConfig);
+		final JSON json = JSONUtil.parse(reader, this.hutoolSJONConfig);
 		return json.toBean((Type) type);
 	}
 

hutool-json/src/main/java/org/dromara/hutool/json/engine/gson/GsonEngine.java

@@ -19,6 +19,7 @@ package org.dromara.hutool.json.engine.gson;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import org.dromara.hutool.core.lang.Assert;
+import org.dromara.hutool.core.lang.wrapper.Wrapper;
 import org.dromara.hutool.core.util.ObjUtil;
 import org.dromara.hutool.json.JSONException;
 import org.dromara.hutool.json.engine.AbstractJSONEngine;
@@ -31,6 +32,7 @@ import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.util.Date;
+import java.util.TimeZone;
 
 /**
  * Gson引擎实现
@@ -38,7 +40,7 @@ import java.util.Date;
  * @author Looly
  * @since 6.0.0
  */
-public class GsonEngine extends AbstractJSONEngine {
+public class GsonEngine extends AbstractJSONEngine implements Wrapper<Gson> {
 
 	private Gson gson;
 
@@ -51,6 +53,12 @@ public class GsonEngine extends AbstractJSONEngine {
 		Assert.notNull(Gson.class);
 	}
 
+	@Override
+	public Gson getRaw() {
+		initEngine();
+		return this.gson;
+	}
+
 	@Override
 	public void serialize(final Object bean, final Writer writer) {
 		initEngine();
@@ -106,7 +114,11 @@ public class GsonEngine extends AbstractJSONEngine {
 	 * @param dateFormat 日期格式
 	 */
 	private void registerDate(final GsonBuilder builder, final String dateFormat){
-		builder.registerTypeAdapter(Date.class, new DateSerDesc(dateFormat));
+		// java date
+		builder.registerTypeHierarchyAdapter(Date.class, new DateSerDesc(dateFormat));
+		builder.registerTypeHierarchyAdapter(TimeZone.class, TimeZoneSerDesc.INSTANCE);
+
+		// java.time
 		builder.registerTypeAdapter(LocalDateTime.class, new TemporalSerDesc(LocalDateTime.class, dateFormat));
 		builder.registerTypeAdapter(LocalDate.class, new TemporalSerDesc(LocalDate.class, dateFormat));
 		builder.registerTypeAdapter(LocalTime.class, new TemporalSerDesc(LocalTime.class, dateFormat));

hutool-json/src/main/java/org/dromara/hutool/json/engine/gson/TimeZoneSerDesc.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2024 Hutool Team and hutool.cn
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.dromara.hutool.json.engine.gson;
+
+import com.google.gson.*;
+
+import java.lang.reflect.Type;
+import java.util.TimeZone;
+
+/**
+ * 时区序列化描述
+ *
+ * @author Looly
+ * @since 6.0.0
+ */
+public class TimeZoneSerDesc implements GsonSerDesc<TimeZone>{
+
+	/**
+	 * 默认时区格式化描述
+	 */
+	public static final TimeZoneSerDesc INSTANCE = new TimeZoneSerDesc();
+
+	@Override
+	public JsonElement serialize(final TimeZone src, final Type typeOfSrc, final JsonSerializationContext context) {
+		return new JsonPrimitive(src.getID());
+	}
+
+	@Override
+	public TimeZone deserialize(final JsonElement json, final Type typeOfT, final JsonDeserializationContext context) throws JsonParseException {
+		return TimeZone.getTimeZone(json.getAsString());
+	}
+}

hutool-json/src/main/java/org/dromara/hutool/json/engine/jackson/JacksonEngine.java

@@ -26,6 +26,7 @@ import com.fasterxml.jackson.databind.SerializationFeature;
 import org.dromara.hutool.core.date.DateUtil;
 import org.dromara.hutool.core.io.IORuntimeException;
 import org.dromara.hutool.core.lang.Assert;
+import org.dromara.hutool.core.lang.wrapper.Wrapper;
 import org.dromara.hutool.core.reflect.ConstructorUtil;
 import org.dromara.hutool.core.text.StrUtil;
 import org.dromara.hutool.core.util.ObjUtil;
@@ -42,7 +43,7 @@ import java.io.Writer;
  *
  * @author Looly
  */
-public class JacksonEngine extends AbstractJSONEngine {
+public class JacksonEngine extends AbstractJSONEngine implements Wrapper<ObjectMapper> {
 
 	private ObjectMapper mapper;
 
@@ -60,7 +61,8 @@ public class JacksonEngine extends AbstractJSONEngine {
 	 *
 	 * @return {@link ObjectMapper}对象
 	 */
-	public ObjectMapper getMapper() {
+	@Override
+	public ObjectMapper getRaw() {
 		initEngine();
 		return mapper;
 	}

hutool-json/src/main/java/org/dromara/hutool/json/serialize/JSONPrimitiveSerializer.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2013-2024 Hutool Team and hutool.cn
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.dromara.hutool.json.serialize;
+
+import org.dromara.hutool.json.JSONPrimitive;
+
+/**
+ * 原始对象的序列化接口，用于将特定对象序列化为{@link JSONPrimitive}
+ *
+ * @param <V> 对象类型
+ * @author Looly
+ */
+@FunctionalInterface
+public interface JSONPrimitiveSerializer<V> extends JSONSerializer<JSONPrimitive, V> {
+}

hutool-json/src/test/java/org/dromara/hutool/json/IssueI6LBZATest.java

@@ -16,36 +16,41 @@
 
 package org.dromara.hutool.json;
 
-import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 public class IssueI6LBZATest {
 	@Test
 	public void parseJSONStringTest() {
 		final String a = "\"a\"";
 		final Object parse = JSONUtil.parse(a);
-		Assertions.assertEquals(String.class, parse.getClass());
+		assertEquals(JSONPrimitive.class, parse.getClass());
+		assertEquals(a, parse.toString());
 	}
 
 	@Test
 	public void parseJSONStringTest2() {
 		final String a = "'a'";
 		final Object parse = JSONUtil.parse(a);
-		Assertions.assertEquals(String.class, parse.getClass());
+		assertEquals(JSONPrimitive.class, parse.getClass());
+		assertEquals("\"a\"", parse.toString());
 	}
 
 	@Test
 	public void parseJSONErrorTest() {
 		final String a = "a";
 		final Object parse = JSONUtil.parse(a);
-		Assertions.assertEquals(String.class, parse.getClass());
+		assertEquals(JSONPrimitive.class, parse.getClass());
-		Assertions.assertEquals("\"a\"", parse);
+		assertEquals("\"a\"", parse.toString());
 	}
 
 	@Test
 	public void parseJSONNumberTest() {
 		final String a = "123";
-		final Object parse = JSONUtil.parse(a);
+		final JSON parse = JSONUtil.parse(a);
-		Assertions.assertEquals(Integer.class, parse.getClass());
+		assertEquals(JSONPrimitive.class, parse.getClass());
+		assertEquals(123, ((JSONPrimitive)parse).getValue());
+		assertEquals(Integer.class, ((JSONPrimitive)parse).getValue().getClass());
 	}
 }

hutool-json/src/test/java/org/dromara/hutool/json/IssueI7M2GZTest.java

@@ -59,8 +59,8 @@ public class IssueI7M2GZTest {
 		entity.setList(list);
 
 		final String json = JSONUtil.toJsonStr(entity);
-		//Console.log(json);
 		final MyEntity<JSONBeanParserImpl> result = JSONUtil.toBean(json, new TypeReference<MyEntity<JSONBeanParserImpl>>() {});
+
 		Assertions.assertEquals("new Object", result.getList().get(0).getName());
 		Assertions.assertNotNull(result.getList().get(0).getParsed());
 		Assertions.assertEquals(Integer.valueOf(12), result.getList().get(0).getParsed());

hutool-json/src/test/java/org/dromara/hutool/json/JSONUtilTest.java

@@ -53,29 +53,29 @@ public class JSONUtilTest {
 	void parseEmptyValue() {
 		// https://www.rfc-editor.org/rfc/rfc8259#section-7
 		// 未被包装的空串理解为null
-		Object parse = JSONUtil.parse("");
+		JSON parse = JSONUtil.parse("");
 		assertNull(parse);
 
 		parse = JSONUtil.parse("\"\"");
-		assertEquals("\"\"", parse);
+		assertEquals("\"\"", parse.toString());
 	}
 
 	@Test
 	public void parseValueTest() {
-		Object parse = JSONUtil.parse(123);
+		JSON parse = JSONUtil.parse(123);
-		assertEquals(123, parse);
+		assertEquals(123, ((JSONPrimitive)parse).getValue());
 
 		parse = JSONUtil.parse("\"abc\"");
-		assertEquals("\"abc\"", parse);
+		assertEquals("\"abc\"", parse.toString());
 
 		parse = JSONUtil.parse("\"\\\"bc\"");
-		assertEquals("\"\\\"bc\"", parse);
+		assertEquals("\"\\\"bc\"", parse.toString());
 
 		parse = JSONUtil.parse("true");
-		assertEquals(true, parse);
+		assertEquals(true, ((JSONPrimitive)parse).getValue());
 
 		parse = JSONUtil.parse("False");
-		assertEquals(false, parse);
+		assertEquals(false, ((JSONPrimitive)parse).getValue());
 
 		parse = JSONUtil.parse("null");
 		assertNull(parse);

hutool-json/src/test/java/org/dromara/hutool/json/engine/JSONEngineTest.java

@@ -23,6 +23,7 @@ import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 import java.util.Arrays;
+import java.util.TimeZone;
 
 public class JSONEngineTest {
 
@@ -43,6 +44,12 @@ public class JSONEngineTest {
 		Arrays.stream(engineNames).forEach(this::assertWriteLocalDateFormat);
 	}
 
+	@Test
+	void writeTimeZoneTest() {
+		// TODO Hutool无法序列化TimeZone等特殊对象
+		Arrays.stream(engineNames).forEach(this::assertWriteTimeZone);
+	}
+
 	private void assertWriteDateFormat(final String engineName) {
 		final DateTime date = DateUtil.parse("2024-01-01 01:12:21");
 		final BeanWithDate bean = new BeanWithDate(date, TimeUtil.of(date));
@@ -78,4 +85,16 @@ public class JSONEngineTest {
 		jsonString = engine.toJsonString(bean);
 		Assertions.assertEquals("{\"date1\":null,\"date2\":null}", jsonString);
 	}
+
+	private void assertWriteTimeZone(final String engineName) {
+		final TimeZone timeZone = TimeZone.getTimeZone("GMT+08:00");
+		final JSONEngine engine = JSONEngineFactory.createEngine(engineName);
+
+		String jsonString = engine.toJsonString(timeZone);
+		Assertions.assertEquals("\"GMT+08:00\"", jsonString);
+
+		engine.init(JSONEngineConfig.of().setIgnoreNullValue(false));
+		jsonString = engine.toJsonString(timeZone);
+		Assertions.assertEquals("\"GMT+08:00\"", jsonString);
+	}
 }