demo/src/main/java/com/imooc/demo/service/impl/AreaServiceImpl.java

package com.imooc.demo.service.impl;

import java.util.Date;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.imooc.demo.dao.AreaDao;
import com.imooc.demo.entity.Area;
import com.imooc.demo.service.AreaService;


@Service
public class AreaServiceImpl implements AreaService {

	
	@Autowired
	private AreaDao areaDao;
	@Override
	public List<Area> getAreaList() {
		
		return areaDao.queryArea();
	}

	@Override
	public Area getAreaById(int areaId) {
		
		return areaDao.queryAreaById(areaId);
	}

	@Transactional
	@Override
	public boolean addArea(Area area) {
		
		if(area.getAreaName()!=null && !"".equals(area.getAreaName())) {
			area.setCreateTime(new Date());
			area.setLastEditTime(new Date());
			try {
				int insertArea = areaDao.insertArea(area);
				if(insertArea>0) {
					return true;
				}else {
					throw new RuntimeException("插入区域信息失败！");
				}
			}catch (Exception e) {
				throw new RuntimeException("插入区域信息失败："+e.getMessage());
			}
		}else {
			throw new RuntimeException("区域信息不能为空！");
		}
	}

	@Override
	public Boolean modifyArea(Area area) {
	
		if(area.getAreaId()!=null && area.getAreaId()>0) {

			area.setLastEditTime(new Date());
			try {
				int updateArea = areaDao.updateArea(area);
				if(updateArea>0) {
					return true;
				}else {
					throw new RuntimeException("插入区域信息失败！");
				}
			}catch (Exception e) {
				throw new RuntimeException("插入区域信息失败："+e.getMessage());
			}
		}else {
			throw new RuntimeException("区域信息不能为空！");
		}
	}

	@Override
	public Boolean deleteArea(int areaId) {
		
		if(areaId>0) {

			
			try {
				int deleteArea = areaDao.deleteArea(areaId);
				if(deleteArea>0) {
					return true;
				}else {
					throw new RuntimeException("插入区域信息失败！");
				}
			}catch (Exception e) {
				throw new RuntimeException("插入区域信息失败："+e.getMessage());
			}
		}else {
			throw new RuntimeException("区域信息不能为空！");
		}
	}

}