MybatisPlus拦截器如何实现数据表分表

/**
 * 请求参数传递辅助类
 */
public class RequestDataHelper {
    /**
     * 请求参数存取
     */
    private static final ThreadLocal<Map<String, Object>> REQUEST_DATA = new ThreadLocal<>();

    /**
     * 设置请求参数
     *
     * @param requestData 请求参数 MAP 对象
     */
    public static void setRequestData (Map<String, Object> requestData) {
        REQUEST_DATA.set(requestData);
    }

    /**
     * 获取请求参数
     *
     * @return 请求参数 MAP 对象
     */
    public static Map<String, Object> getRequestData () {
        return REQUEST_DATA.get();
    }
}

RequestDataHelper.setRequestData(Collections.singletonMap("studentId", param.getStudentId()));
        LambdaQueryWrapper<StudentRecordEntity> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(StudentRecordEntity::getStudentId, param.getStudentId());
        List<StudentRecordEntity> studentRecordEntityList = super.list(queryWrapper);

/**
     * Mybatis plus 拦截器
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();

        //动态表插件
        DynamicTableNameInnerInterceptor dynamicTableNameInnerInterceptor = new DynamicTableNameInnerInterceptor();
        dynamicTableNameInnerInterceptor.setTableNameHandler((sql, tableName) -> {
            // 获取参数方法
            if (tableName.equalsIgnoreCase("t_student_record")) {
                Map<String, Object> paramMap = RequestDataHelper.getRequestData();
                long studentId= Long.parseLong(String.valueOf(paramMap.get("studentId")));
                int mod = (int) (studentId% 16);
                return tableName + "_" + mod;

            } else {
                return tableName;
            }
        });
        interceptor.addInnerInterceptor(dynamicTableNameInnerInterceptor);
        return interceptor;
    }