动态地将文本附加到Jackson中任何对象的所有属性名称

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;

import java.io.IOException;
import java.lang.reflect.Field;

public class JacksonUtils {
    public static void main(String[] args) throws IOException {
        ObjectMapper objectMapper = new ObjectMapper();
        SimpleModule module = new SimpleModule();
        module.addSerializer(new CustomSerializer());
        module.addDeserializer(String.class, new CustomDeserializer());
        objectMapper.registerModule(module);

        // 测试序列化和反序列化
        TestObject testObject = new TestObject();
        testObject.setName("Test");
        testObject.setValue(100);
        String json = objectMapper.writeValueAsString(testObject);
        System.out.println(json);

        TestObject deserializedObject = objectMapper.readValue(json, TestObject.class);
        System.out.println(deserializedObject.getName());
        System.out.println(deserializedObject.getValue());
    }

    static class CustomSerializer extends StdSerializer<Object> {
        public CustomSerializer() {
            super(Object.class);
        }

        @Override
        public void serialize(Object value, JsonGenerator gen, SerializerProvider provider) throws IOException {
            Class<?> clazz = value.getClass();
            Field[] fields = clazz.getDeclaredFields();
            for (Field field : fields) {
                field.setAccessible(true);
                try {
                    Object fieldValue = field.get(value);
                    if (fieldValue != null) {
                        String fieldName = field.getName();
                        String modifiedFieldName = fieldName + "_text";
                        gen.writeObjectField(modifiedFieldName, fieldValue);
                    }
                } catch (IllegalAccessException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    static class CustomDeserializer extends JsonDeserializer<String> {
        @Override
        public String deserialize(com.fasterxml.jackson.core.JsonParser p, DeserializationContext ctxt) throws IOException {
            String fieldName = p.getCurrentName();
            String originalFieldName = fieldName.replace("_text", "");
            return originalFieldName;
        }
    }

    static class TestObject {
        private String name;
        private int value;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public int getValue() {
            return value;
        }

        public void setValue(int value) {
            this.value = value;
        }
    }
}