Spring MVC 注解 应用

Spring MVC 注解中，没有了一系列的配置文件，但需要注意各个类的注解：
1.实体类

@Table(name = "reserve")
public class Reserve implements Serializable {

	private static final long serialVersionUID = -5597231321878246638L;
	@Id
	@Column(name = "reserve_id")
	private long reserveId;//预约id
	
	@Column(name = "activity_id")
	private Long activityId;//活动id
	
	@Column(name = "client_name")
	private String clientName;//客户姓名
get/set
}
@Table(name = "reserve")是对应的数据库中的表名
@Column(name = "reserve_id")是对应数据表中的列名

2.Dao类

@Component("ReserveDao")
public class ReserveDaoImpl extends BaseDAOImpl<Reserve> implements ReserveDao {

	public boolean saveReserve(Object object) {
		return this.save(object);
	}

}

3.Service类

@Component("ReserveService")
public class ReserveServiceImpl implements ReserveService<Reserve> {

	@Resource(name = "ReserveDao")
	private ReserveDao reserveDao;
	public boolean saveReserve(Object object) {
		return reserveDao.saveReserve(object);
	}
}

4.action类

@Controller
public class ReserveAction {

	@Resource(name = "ReserveService")
	private ReserveService<Reserve> reserveService;
	
	/** 添加预约 */
	@RequestMapping("/reserve/add")
	public String add(Reserve reserve){
		reserveService.saveReserve(reserve);
		return "/reserve/success";
	}
}

5.jsp中的form

<form id="addform" name="addform" method="post" action="/arweb/reserve/add.action">

jsp中form表单的action，提交的名字/reserve/add一定要和对应action类中处理方法的前的@Resource(name = "ReserveService")匹配上。
jsp中input的name只要和实体类中的属性名相同，那么input的值就会自动赋值给实体类中对应的属性。

若在action中处理完之后要跳转到另一个页面，那么只要把路径对应上就可以了，如要跳转到reserve包中的success.jsp页面，那么在action中对应处直接写return "/reserve/success"即可。