fix code

hutool-json/src/main/java/cn/hutool/json/JSONArray.java

@@ -16,6 +16,7 @@ import cn.hutool.json.serialize.JSONWriter;
 
 import java.io.StringWriter;
 import java.io.Writer;
+import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
@@ -196,7 +197,7 @@ public class JSONArray implements JSON, JSONGetter<Integer>, List<Object>, Rando
 		this(DEFAULT_CAPACITY, jsonConfig);
 		init(object);
 	}
-	// -------------------------------------------------------------------------------------------------------------------- Constructor start
+	// -------------------------------------------------------------------------------------------------------------------- Constructor end
 
 	@Override
 	public JSONConfig getConfig() {
@@ -291,6 +292,11 @@ public class JSONArray implements JSON, JSONGetter<Integer>, List<Object>, Rando
 		return this;
 	}
 
+	@Override
+	public <T> T toBean(Type type) {
+		return JSON.super.toBean(type, config.isIgnoreError());
+	}
+
 	/**
 	 * 根据给定名列表，与其位置对应的值组成JSONObject
 	 *

hutool-json/src/main/java/cn/hutool/json/JSONObject.java

@@ -22,6 +22,7 @@ import cn.hutool.json.serialize.JSONWriter;
 
 import java.io.StringWriter;
 import java.io.Writer;
+import java.lang.reflect.Type;
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.util.Collection;
@@ -274,6 +275,11 @@ public class JSONObject extends MapWrapper<String, Object> implements JSON, JSON
 		return this;
 	}
 
+	@Override
+	public <T> T toBean(Type type) {
+		return JSON.super.toBean(type, this.config.isIgnoreError());
+	}
+
 	/**
 	 * 将指定KEY列表的值组成新的JSONArray
 	 *

hutool-json/src/main/java/cn/hutool/json/JSONUtil.java

@@ -421,6 +421,21 @@ public class JSONUtil {
 		return toBean(parseObj(jsonString), beanClass);
 	}
 
+	/**
+	 * JSON字符串转为实体类对象，转换异常将被抛出<br>
+	 * 通过{@link JSONConfig}可选是否忽略大小写、忽略null等配置
+	 *
+	 * @param <T>        Bean类型
+	 * @param jsonString JSON字符串
+	 * @param config     JSON配置
+	 * @param beanClass  实体类对象
+	 * @return 实体类对象
+	 * @since 5.8.0
+	 */
+	public static <T> T toBean(String jsonString, JSONConfig config, Class<T> beanClass) {
+		return toBean(parseObj(jsonString, config), beanClass);
+	}
+
 	/**
 	 * 转为实体类对象，转换异常将被抛出
 	 *
@@ -458,7 +473,7 @@ public class JSONUtil {
 	 * @since 4.3.2
 	 */
 	public static <T> T toBean(String jsonString, Type beanType, boolean ignoreError) {
-		return toBean(parse(jsonString), beanType, ignoreError);
+		return parse(jsonString, JSONConfig.create().setIgnoreError(ignoreError)).toBean(beanType);
 	}
 
 	/**

hutool-json/src/test/java/cn/hutool/json/IssueI50EGGTest.java

@@ -0,0 +1,24 @@
+package cn.hutool.json;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class IssueI50EGGTest {
+
+	@Test
+	public void toBeanTest(){
+		String data = "{\"return_code\": 1, \"return_msg\": \"成功\", \"return_data\" : null}";
+		final ApiResult<?> apiResult = JSONUtil.toBean(data, JSONConfig.create().setIgnoreCase(true), ApiResult.class);
+		Assert.assertEquals(1, apiResult.getReturn_code());
+	}
+
+	@Data
+	@AllArgsConstructor
+	static class ApiResult<T>{
+		private long Return_code;
+		private String Return_msg;
+		private T Return_data;
+	}
+}