package com.whyc.service;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.whyc.mapper.PowerStateMapper;
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import com.whyc.pojo.db_power_fk_rt.PowerState;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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@Service
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public class PowerStateService {
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@Autowired(required = false)
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private PowerStateMapper mapper;
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//根据电源id获取试试数据
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public PowerState getRtById(Integer powerId) {
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QueryWrapper wrapper=new QueryWrapper();
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wrapper.eq("power_id",powerId);
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wrapper.last("limit 1");
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PowerState state=mapper.selectOne(wrapper);
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return state;
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}
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}
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