update

whycxzp

2021-03-01 788fd95ad4fd8d1a1f81c59628c24cb8355783da

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package com.whyc.service;
 
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.whyc.dto.Response;
import com.whyc.mapper.AFEInverterHistoryMapper;
import com.whyc.mapper.AFEInverterMapper;
import com.whyc.mapper.CommonMapper;
import com.whyc.pojo.AFEInverterState;
import org.springframework.stereotype.Service;
 
import javax.annotation.Resource;
import java.util.List;
 
@Service
public class AFEInverterService {
 
 
    @Resource
    AFEInverterMapper mapper;
 
    @Resource
    AFEInverterHistoryMapper historyMapper;
 
    @Resource
    CommonMapper commonMapper;
 
    /**分页*/
    public Response getAll(int pageNum,int pageSize) {
        IPage<AFEInverterState> afeInverterStateIPage = mapper.selectPage(new Page<>(pageNum, pageSize), null);
        return new Response().set(1,afeInverterStateIPage);
    }
 
 
    public Response<AFEInverterState> getInfoByDeviceId(int devId) {
        QueryWrapper<AFEInverterState> query = Wrappers.query();
        query.eq("dev_id",devId);
        AFEInverterState afeInverterState = mapper.selectOne(query);
 
        return new Response<AFEInverterState>().set(1,afeInverterState);
    }
 
    /**======History======*/
 
    public Response<PageInfo<AFEInverterState>> getHistory(int pageNum, int pageSize,String tablePrefixTime) {
 
 
        PageHelper.startPage(pageNum,pageSize);
        List<AFEInverterState> afeInverterStates = historyMapper.getHistory(tableNames);
        PageInfo<AFEInverterState> afeInverterStatePageInfo = new PageInfo<>(afeInverterStates);
        return new Response<PageInfo<AFEInverterState>>().set(1,afeInverterStatePageInfo);
    }
 
    /**采用二叉树*/
    public Response<String> getTableNames() {
        List<String> tableNames = commonMapper.getTableName("`db_3.5mw_motor`", "tb_afe_inverter_state");
        for (int i = 0; i < tableNames.size(); i++) {
            String tableName = tableNames.get(i);
            String year = tableName.split("_")[4];
            String month = tableName.split("_")[5];
            String day = tableName.split("_")[6];
        }
        return null;
    }
}