code: private void doInterceptBeforeQuery(Class<?> clazz, StringBuilder sql, List<Object> args) {
          for (DBHelperInterceptor interceptor : interceptors) {
              boolean isContinue = interceptor.beforeSelect(clazz, sql.toString(), args);
              if (!isContinue) {
                  throw new NotAllowQueryException("interceptor class:" + interceptor.getClass());
              }
          }
      }
docs: ////////////////// 拦截器封装方法