package com.backendsys.service.System; import com.backendsys.entity.System.SysCityDTO; import com.backendsys.mapper.System.SysCityMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; @Service public class SysCityServiceImpl implements SysCityService { @Autowired private SysCityMapper sysCityMapper; public Map querySysCity(SysCityDTO sysCityDTO) { List> cityList = sysCityMapper.querySysCity(sysCityDTO); Map resp = new LinkedHashMap<>(); resp.put("total", cityList.size()); resp.put("list", cityList); return resp; } }