JavaWeb项目开发案例精粹-第6章报价管理系统-04Service层

 1 package com.sanqing.service;
 2 
 3 import com.sanqing.dao.DAO;
 4 import com.sanqing.po.Customer;
 5 /**
 6  * 客户业务接口
 7  */
 8 public interface CustomerService extends DAO<Customer> {
 9 
10 }

 1 package com.sanqing.service;
 2 
 3 import com.sanqing.dao.DAO;
 4 import com.sanqing.po.Order;
 5 /**
 6  * 订单业务接口
 7  */
 8 public interface OrderService extends DAO<Order> {
 9 
10 }

 1 package com.sanqing.service;
 2 
 3 import com.sanqing.dao.DAO;
 4 import com.sanqing.po.Product;
 5 /**
 6  * 产品业务接口
 7  */
 8 public interface ProductService extends DAO<Product> {
 9 
10 }

 1 package com.sanqing.service;
 2 
 3 import com.sanqing.dao.DAO;
 4 import com.sanqing.po.ProductType;
 5 /**
 6  * 产品类别业务接口
 7  */
 8 public interface ProductTypeService extends DAO<ProductType> {
 9 
10 }

 1 package com.sanqing.service;
 2 
 3 import com.sanqing.dao.DAO;
 4 import com.sanqing.po.Quotation;
 5 /**
 6  * 报价业务接口
 7  */
 8 public interface QuotationService extends DAO<Quotation> {
 9 
10 }

 1 package com.sanqing.service;
 2 
 3 import com.sanqing.dao.DAO;
 4 import com.sanqing.po.User;
 5 
 6 /**
 7  * 用户业务接口
 8  */
 9 public interface UserService extends DAO<User> {
10     
11     /**
12      * 判断用户是否存在
13      * @param username 用户名
14      * @param password 密码
15      * @return
16      */
17     public boolean login(String username, String password) ;
18 }

 1 package com.sanqing.serviceImpl;
 2 
 3 import org.springframework.stereotype.Service;
 4 
 5 import com.sanqing.dao.DaoSupport;
 6 import com.sanqing.po.Customer;
 7 import com.sanqing.service.CustomerService;
 8 
 9 @Service
10 public class CustomerServiceImpl extends DaoSupport<Customer> implements
11         CustomerService {
12 
13 }

 1 package com.sanqing.serviceImpl;
 2 import java.util.Date;
 3 
 4 import org.springframework.stereotype.Service;
 5 
 6 import com.sanqing.dao.DaoSupport;
 7 import com.sanqing.po.Order;
 8 import com.sanqing.service.OrderService;
 9 
10 @Service
11 public class OrderServiceImpl extends DaoSupport<Order> implements OrderService {
12 
13     @Override
14     public void save(Object entity) {
15         Order order = (Order)entity;
16         order.setOrderTime(new Date());
17         super.save(order);
18     }
19 
20     @Override
21     public void update(Object entity) {
22         Order order = (Order)entity;
23         order.setOrderTime(new Date());
24         super.update(entity);
25     }
26 }

 1 package com.sanqing.serviceImpl;
 2 import org.springframework.stereotype.Service;
 3 
 4 import com.sanqing.dao.DaoSupport;
 5 import com.sanqing.po.Product;
 6 import com.sanqing.service.ProductService;
 7 
 8 @Service
 9 public class ProductServiceImpl extends DaoSupport<Product> implements ProductService {
10 
11 }

10.

 1 package com.sanqing.serviceImpl;
 2 
 3 import org.springframework.stereotype.Service;
 4 
 5 import com.sanqing.dao.DaoSupport;
 6 import com.sanqing.po.ProductType;
 7 import com.sanqing.service.ProductTypeService;
 8 
 9 @Service
10 public class ProductTypeServiceImpl extends DaoSupport<ProductType> implements
11         ProductTypeService {
12 }

11.

 1 package com.sanqing.serviceImpl;
 2 
 3 import java.util.Date;
 4 
 5 import org.springframework.stereotype.Service;
 6 
 7 import com.sanqing.dao.DaoSupport;
 8 import com.sanqing.po.Quotation;
 9 import com.sanqing.service.QuotationService;
10 
11 @Service
12 public class QuotationServiceImpl extends DaoSupport<Quotation> implements
13         QuotationService {
14 
15     @Override
16     public void save(Object entity) {
17         Quotation quotation = (Quotation)entity;
18         quotation.setQuotationTime(new Date());
19         super.save(entity);
20     }
21 
22     @Override
23     public void update(Object entity) {
24         Quotation quotation = (Quotation)entity;
25         quotation.setQuotationTime(new Date());
26         super.update(entity);
27     }
28 
29 }

12.

 1 package com.sanqing.serviceImpl;
 2 
 3 import org.springframework.stereotype.Service;
 4 
 5 import com.sanqing.dao.DaoSupport;
 6 import com.sanqing.po.User;
 7 import com.sanqing.service.UserService;
 8 
 9 @Service
10 public class UserServiceImpl extends DaoSupport<User> implements UserService {
11 
12     public boolean login(String username, String password) {
13         long count = (Long)em.createQuery("select count(o) from User o where o.username=?1 and o.password=?2")
14                 .setParameter(1, username).setParameter(2, password).getSingleResult();
15         return count>0;
16     }
17 
18 }

13.