package com.boying.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.boying.entity.Park;
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import com.boying.entity.Ticket;
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import com.boying.mapper.ParkMapper;
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import com.boying.mapper.TicketMapper;
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import com.boying.service.ParkService;
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import com.boying.service.TicketService;
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import lombok.AllArgsConstructor;
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import org.springframework.stereotype.Service;
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import java.util.Map;
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/**
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* @author kdq
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* @version 1.0.0
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* @ClassName ParkServiceImpl.java
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* @Description TODO
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* @createTime 2022年11月20日 10:35:00
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*/
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@Service
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@AllArgsConstructor
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public class ParkServiceImpl extends ServiceImpl<ParkMapper, Park> implements ParkService {
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private final ParkMapper parkMapper;
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@Override
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public int count1() {
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QueryWrapper<Park> wrapper = new QueryWrapper<>();
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wrapper.select("IFNULL(SUM(num),0) as num");
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Map<String, Object> map = getMap(wrapper);
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Integer sum = (Integer)map.get("sum");
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if(sum==null){
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return 0;
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}else{
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return sum.intValue();
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}
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}
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}
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