spring+mybatis的三層架構

在每個功能模塊中的分層（mybatis映射接口層、持久層（dao）、業務層（service）、表現層（controller））

持久層開始調用方式：（持久層調用mybatis映射接口層）

@Repository
public class LoginLogDaoImpl implements ILoginLogDao {

	@Resource
	private LoginLogMapper mapper;
	
	@Override
	public int addLoginLog(LoginLogBean logBean) {
		return mapper.addLoginLog(logBean);
	}
}

業務層調用方式（業務層調用持久層接口）

@Service
public class LoginLogServiceImpl implements ILoginLogService {

	@Resource
	private ILoginLogDao loginLogDaoImpl;
	
	@Override
	public int addLoginLog(LoginLogBean logBean) {
		
		return loginLogDaoImpl.addLoginLog(logBean);
	}
}

表現層調用方式（表現層調用業務層）

@RequestMapping("/users")
@Controller
public class UserController {

    @Resource
    private ILoginLogService loginLogServiceImpl;
	
    @RequestMapping("/add")
    @ResponseBody
    public ResMessage addLoginLog(LoginLogBean logBean) {
        ResMessage msg = new ResMessage(true, "操作成功！");
		
        try {
            loginLogServiceImpl.addLoginLog(logBean);
          } catch (Exception e) {
            // TODO: handle exception
            msg.setStatus(false);
            msg.setInformation("系統繁忙，請稍後重試！");
        }
        return msg;
		
    }
}