1.补充文档

phpcjl

2024-12-04 e1c6652ca142519d26d2f8a59d36420170d1161f

 ruoyi-service/ruoyi-other/src/main/java/com/ruoyi/other/service/impl/ShopServiceImpl.java

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package com.ruoyi.other.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.core.utils.GeodesyUtil;
import com.ruoyi.other.mapper.ShopMapper;
import com.ruoyi.other.api.domain.Shop;
import com.ruoyi.other.service.ShopService;
import com.ruoyi.other.vo.NearbyShopVO;
import com.ruoyi.other.vo.ShopDetailVO;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;
import java.util.Map;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author luodangjia
 * @since 2024-11-20
 */
@Service
public class ShopServiceImpl extends ServiceImpl<ShopMapper, Shop> implements ShopService {
    @Resource
    private ShopMapper shopMapper;

    @Override
    public List<NearbyShopVO> nearbyShopList(String longitude, String latitude) {
        return shopMapper.selectNearbyShopList(longitude,latitude);
    }

    @Override
    public ShopDetailVO getShopDetail(Integer shopId, String longitude, String latitude) {
        // 查询店铺详情
        ShopDetailVO shopDetailVO = shopMapper.selectShopDetail(shopId);
        if (shopDetailVO == null) {
            throw new ServiceException("查询店铺不存在");
        }

        // 计算距离
        String shopLocation = String.format("%s,%s", shopDetailVO.getLongitude(), shopDetailVO.getLatitude());
        String userLocation = String.format("%s,%s", longitude, latitude);
        Map<String, Double> distanceMap = GeodesyUtil.getDistance(userLocation, shopLocation);
        Double wGs84 = distanceMap.get("WGs84");
        shopDetailVO.setDistance(wGs84);
        return shopDetailVO;
    }

}