greentraffic/src/main/java/com/nmgs/service/impl/SetUpServiceImpl.java

package com.nmgs.service.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.nmgs.entity.Operators;
import com.nmgs.entity.SetUp;
import com.nmgs.entity.StationInfo;
import com.nmgs.mapper.SetUpMapper;
import com.nmgs.mapper.StationInfoMapper;
import com.nmgs.service.ISetUpService;
import com.nmgs.service.IStationInfoService;
import com.nmgs.util.DateUtils;
import com.nmgs.util.PropertiesUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;


@Service
@Transactional
public class SetUpServiceImpl implements ISetUpService {


    @Autowired
    private SetUpMapper setUpMapper;

    public static Logger logger = LoggerFactory.getLogger(SetUpServiceImpl.class);


    /**
     * 分页查询所站信息
     * @param params
     * @return
     *
     * */
    @Override
    public Page<SetUp> getSetUpList(Map<String, Object> params) {
        //从配置文件中读取数据库连接类型
        params.put("DBTYPE", PropertiesUtil.getValue("DBType"));

        //设置分页
        Integer pageNum = (Integer) params.get("pageNum");
        Integer pageSize = (Integer) params.get("pageSize");
        Page<SetUp> page = new Page<>(pageNum,pageSize);

        page = setUpMapper.getSetUpList(page,params);

        return page;
    }



    @Override
    public Page<SetUp> getCollectionData(Map<String, Object> params) {
        //从配置文件中读取数据库连接类型
        params.put("DBTYPE", PropertiesUtil.getValue("DBType"));

        //设置分页
        Integer pageNum = (Integer) params.get("pageNum");
        Integer pageSize = (Integer) params.get("pageSize");
        Page<SetUp> page = new Page<>(pageNum,pageSize);


        //定义查询列，根据params条件动态拼接
        StringBuilder selectcolumn = new StringBuilder(" count(*) as totalCount ");
        StringBuilder group = new StringBuilder();
        StringBuilder order = new StringBuilder();
        for (Map.Entry<String, Object> entry : params.entrySet()) {
            Object value = entry.getValue();

            if("roadCollection".equals(value)){

                //拼接查询列
                selectcolumn.append(" ,setup.ROADNO,road.ROADNAME AS roadName ");

                //拼接分组条件
                if(group.toString().equals("")){
                    group = new StringBuilder("group by setup.ROADNO,road.ROADNAME  ");
                }else{
                    group.append(" ,setup.ROADNO,road.ROADNAME  ");
                }

                //拼接排序条件
                if(order.toString().equals("")){
                    order = new StringBuilder("order by setup.ROADNO ");
                }else{
                    order.append(",setup.ROADNO ");
                }
            }

            if("staCollection".equals(value)){
                //拼接查询列
                selectcolumn.append(" ,setup.STANO,sta.STANAME as staName ");

                //拼接分组条件
                if(group.toString().equals("")){
                    group = new StringBuilder("group by setup.STANO,sta.STANAME ");
                }else{
                    group.append(" ,setup.STANO,sta.STANAME ");
                }

                //拼接排序条件
                if(order.toString().equals("")){
                    order = new StringBuilder(" order by setup.STANO ");
                }else{
                    order.append(",setup.STANO ");
                }
            }

            if("portTypeCollection".equals(value)){
                //拼接查询列
                selectcolumn.append(" ,setup.PORTTYPE,port.TEXT AS portTypeName ");

                //拼接分组条件
                if(group.toString().equals("")){
                    group = new StringBuilder(" group by setup.PORTTYPE,port.TEXT ");
                }else{
                    group.append(" ,setup.PORTTYPE,port.TEXT ");
                }

                //拼接排序条件
                if(order.toString().equals("")){
                    order = new StringBuilder(" order by setup.PORTTYPE ");
                }else{
                    order.append(",setup.PORTTYPE ");
                }
            }
        }

        params.put("selectcolumn", selectcolumn.toString());
        logger.info("selectcolumn=========="+selectcolumn);
        params.put("group", group.toString());
        logger.info("group=========="+group);
        params.put("order", order.toString());
        logger.info("order=========="+order);
        page = setUpMapper.getCollectionData(page,params);

        return page;
    }
}