35 lines
1.0 KiB
Java
35 lines
1.0 KiB
Java
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package com.gunshi.project.hsz.service;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.gunshi.db.dto.DateTimeRangeSo;
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import com.gunshi.project.hsz.mapper.StWaterRMapper;
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import com.gunshi.project.hsz.model.StWaterR;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.math.BigDecimal;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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/**
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* 描述: 供水量表
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* author: xusan
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* date: 2024-07-08 17:30:38
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*/
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@Service
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@Slf4j
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@Transactional(rollbackFor = Exception.class)
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public class StWaterRService extends ServiceImpl<StWaterRMapper, StWaterR>
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{
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public Map<String, BigDecimal> stat(DateTimeRangeSo dateTimeRangeSo) {
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List<StWaterR> list = baseMapper.stat(dateTimeRangeSo);
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return list.stream()
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.collect(Collectors.groupingBy(StWaterR::getStcd, Collectors.mapping(StWaterR::getV, Collectors.reducing(BigDecimal.ZERO, BigDecimal::add))));
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}
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}
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