package com.ssm.service;

import java.io.Serializable;
import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.ssm.dao.MyBatisDao;
import com.ssm.entity.Books;


@Service
public class BooksService {

	private MyBatisDao myBatisDao;

	public MyBatisDao getMyBatisDao() {
		return myBatisDao;
	}

	@Resource
	public void setMyBatisDao(MyBatisDao myBatisDao) {
		this.myBatisDao = myBatisDao;
	}
	

	/*保存数据对象 */
	public void save(Books books) {
		if(books.getBookId()== null){
			myBatisDao.save("booksMapper.insert", books);
		}
		else{
			myBatisDao.save("booksMapper.update", books);
		}
	}
	
	
	/*根据主键删除对象 */
	public void delete(Serializable id){
		myBatisDao.delete("booksMapper.deleteByPrimaryKey", id);
	}
	
	
	
	public List<Books> getBooks(){
		return myBatisDao.getList("booksMapper.selectByEntity");
	}
	
	
	/*根据条件查询获取数据对象列表 */
	public List<Books> queryResult(Books books){
		return myBatisDao.getList("booksMapper.selectByQuery",books);
	}
	
	
	/*根据主键获取对象 */
	public Books getBooks(Serializable id) {
		return myBatisDao.get("booksMapper.selectByPrimaryKey", id);
		
	}
}