package com.kmall.admin.service.statistics;

import java.util.Map;

/**
 * @author zhangchuangbiao
 * @version 1.0
 * 2020-09-01 14:36
 */
public interface MonthlyCustomersService {

    Map<String, Object> queryMonthlyCustomers(String startMonth, String endMonth, String merchSn);
}