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.CKPowerDevBattRtStateMapper;
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import com.whyc.pojo.db_ckpwrdev_data_rt.CKPowerDevBattRtState;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.List;
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@Service
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public class CKPowerDevBattRtStateService {
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@Resource
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private CKPowerDevBattRtStateMapper mapper;
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public CKPowerDevBattRtState get(Integer battIndex) {
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QueryWrapper<CKPowerDevBattRtState> query = Wrappers.query();
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if(battIndex!=null) {
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if(battIndex == -1) { //首页上使用,默认只查组1
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query.eq("batt_index", 0);
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}else{
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query.eq("batt_index", battIndex);
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}
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}
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query.last(" limit 1");
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return mapper.selectOne(query);
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}
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}
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