fix: enum JSONType#serializer not work alibaba#2269

Author: Milkdove

core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterBaseModule.java

@@ -217,6 +217,7 @@ public void getBeanInfo(BeanInfo beanInfo, Class objectClass) {
                 Class<?> serializer = jsonType.serializer();
                 if (ObjectWriter.class.isAssignableFrom(serializer)) {
                     beanInfo.serializer = serializer;
+                    beanInfo.writeEnumAsJavaBean = true;
                 }
 
                 Class<? extends Filter>[] serializeFilters = jsonType.serializeFilters();

core/src/test/java/com/alibaba/fastjson2/issues_2200/Issue2269.java

@@ -0,0 +1,74 @@
+package com.alibaba.fastjson2.issues_2200;
+
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONReader;
+import com.alibaba.fastjson2.JSONWriter;
+import com.alibaba.fastjson2.annotation.JSONType;
+import com.alibaba.fastjson2.reader.ObjectReader;
+import com.alibaba.fastjson2.writer.ObjectWriter;
+import org.junit.jupiter.api.Test;
+
+import java.lang.reflect.Type;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class Issue2269 {
+    @Test
+    public void test() {
+        AppDto dto = new AppDto();
+        dto.alarmStatus = AlarmStatus.RUNNING;
+        String str = JSON.toJSONString(dto);
+        assertEquals("{\"alarmStatus\":\"启用\"}", str);
+        AppDto dto1 = JSON.parseObject(str, AppDto.class);
+        assertEquals(dto.alarmStatus, dto1.alarmStatus);
+    }
+
+    @JSONType(serializer = DictSerializer.class, deserializer = DictDeserializer.class)
+    public enum AlarmStatus {
+        RUNNING("启用", 1),
+        STOP("停止", 2);
+
+        final String name;
+        final int value;
+
+        AlarmStatus(String name, int value) {
+            this.name = name;
+            this.value = value;
+        }
+
+    }
+
+    static class DictSerializer implements ObjectWriter {
+
+        @Override
+        public void write(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
+            AlarmStatus status = (AlarmStatus) object;
+            jsonWriter.writeString(status.name);
+        }
+    }
+
+    static class DictDeserializer
+            implements ObjectReader<AlarmStatus> {
+        @Override
+        public AlarmStatus readObject(JSONReader reader, Type type, Object name, long features) {
+            if (type == null) {
+                return null;
+            }
+            String str = reader.readString();
+            switch (str) {
+                case "启用":
+                    return AlarmStatus.RUNNING;
+                case "停止":
+                    return AlarmStatus.STOP;
+                default:
+                    return null;
+            }
+        }
+
+    }
+
+    public static class AppDto {
+        public AlarmStatus alarmStatus;
+    }
+}
+