package com.whyc.service;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.whyc.mapper.Dev60870InverterStateMapper;
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import com.whyc.pojo.Dev60870InverterState;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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@Service
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public class Dev60870InverterStateService {
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@Resource
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private Dev60870InverterStateMapper mapper;
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public Dev60870InverterState getByDevId(int devId){
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QueryWrapper<Dev60870InverterState> query = Wrappers.query();
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query.eq("dev_id",devId).last(" limit 1");
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return mapper.selectOne(query);
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}
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}
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