解决Mybatis-plus自定义TypeHandler查询映射结果一直为null问题

//实体类
@TableName(autoResultMap = true)
@Data
public class ImportItem implements Serializable {
	...
	
    @ExcelIgnore
    @TableField(typeHandler = Fastjson2TypeHandler.class , value = "dynamic_information")
    private JSONObject dynamicInformation;

	...
}

//自定义类Fastjson2TypeHandler
@MappedTypes({JSONObject.class})
@MappedJdbcTypes({JdbcType.VARCHAR})
public class Fastjson2TypeHandler extends AbstractJsonTypeHandler<JSONObject> {

    private static final Logger log = LoggerFactory.getLogger(Fastjson2TypeHandler.class);

    private final Class<JSONObject> type = JSONObject.class;

    public Fastjson2TypeHandler() {
        log.trace("Fastjson2TypeHandler({})", type);
    }

    @Override
    protected JSONObject parse(String json) {
        return JSON.parseObject(json, this.type);
    }

    @Override
    protected String toJson(JSONObject obj) {
        return obj != null ? obj.toJSONString() : null;
    }
}

//自定义查询语句
public interface ImportItemMapper extends MyMapper<ImportItem> {
    @Select("<script>"
            + "SELECT * from import_item \n"
            + "WHERE company_id=#{companyId} \n"
            + "<if test='batchNumber!= null and batchNumber!=\"\" '>AND batch_number=#{batchNumber}</if> \n"
            + "<if test='mark!= null'>AND mark=#{mark}</if> \n"
            + "${params.dataScope}"
            + "</script>")
    List<ImportItem> getByBatchNumber(ItemQuery itemQuery);
}

@TableName(autoResultMap = true)

@TableField(typeHandler = Fastjson2TypeHandler.class , value = "dynamic_information")
private JSONObject dynamicInformation;

public interface ImportItemMapper extends MyMapper<ImportItem> {
    List<ImportItem> getByBatchNumber(ItemQuery itemQuery);
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ruoyi.plm.mapper.ImportItemMapper">
    <resultMap id="BaseResultMap" type="com.ruoyi.plm.model.entity.ImportItem">
        <id column="dynamic_information" jdbcType="VARCHAR" property="dynamicInformation" typeHandler="com.ruoyi.plm.util.Fastjson2TypeHandler"/>
    </resultMap>
    <select id="getByBatchNumber" resultMap="BaseResultMap" parameterType="com.ruoyi.system.api.model.plm.ItemQuery">
        SELECT *
        FROM import_item
        WHERE  company_id = #{companyId}
        <if test="batchNumber != null and !batchNumber.isEmpty()">
            AND batch_number = #{batchNumber}
        </if>
        <if test="mark != null">
            AND mark = #{mark}
        </if>
        ${params.dataScope}
    </select>
</mapper>

@Configuration
public class MyBatisConfig {
    @Bean
    public ConfigurationCustomizer mybatisConfigurationCustomizer() {
        return configuration -> {
            // 注册自定义 TypeHandler
            configuration.getTypeHandlerRegistry().register(JSONObject.class, JdbcType.VARCHAR, new Fastjson2TypeHandler());
        };
    }
}