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;

 import com.sanqing.dao.DAO;
 import com.sanqing.po.Customer;
 /**
  * 客户业务接口
  */
 public interface CustomerService extends DAO<Customer> {

 }

2.

 package com.sanqing.service;

 import com.sanqing.dao.DAO;
 import com.sanqing.po.Order;
 /**
  * 订单业务接口
  */
 public interface OrderService extends DAO<Order> {

 }

3.

 package com.sanqing.service;

 import com.sanqing.dao.DAO;
 import com.sanqing.po.Product;
 /**
  * 产品业务接口
  */
 public interface ProductService extends DAO<Product> {

 }

4.

 package com.sanqing.service;

 import com.sanqing.dao.DAO;
 import com.sanqing.po.ProductType;
 /**
  * 产品类别业务接口
  */
 public interface ProductTypeService extends DAO<ProductType> {

 }

5.

 package com.sanqing.service;

 import com.sanqing.dao.DAO;
 import com.sanqing.po.Quotation;
 /**
  * 报价业务接口
  */
 public interface QuotationService extends DAO<Quotation> {

 }

6.

 package com.sanqing.service;

 import com.sanqing.dao.DAO;
 import com.sanqing.po.User;

 /**
  * 用户业务接口
  */
 public interface UserService extends DAO<User> {

     /**
      * 判断用户是否存在
      * @param username 用户名
      * @param password 密码
      * @return
      */
     public boolean login(String username, String password) ;
 }

　　

7.

 package com.sanqing.serviceImpl;

 import org.springframework.stereotype.Service;

 import com.sanqing.dao.DaoSupport;
 import com.sanqing.po.Customer;
 import com.sanqing.service.CustomerService;

 @Service
 public class CustomerServiceImpl extends DaoSupport<Customer> implements
         CustomerService {

 }

8.

 package com.sanqing.serviceImpl;
 import java.util.Date;

 import org.springframework.stereotype.Service;

 import com.sanqing.dao.DaoSupport;
 import com.sanqing.po.Order;
 import com.sanqing.service.OrderService;

 @Service
 public class OrderServiceImpl extends DaoSupport<Order> implements OrderService {

     @Override
     public void save(Object entity) {
         Order order = (Order)entity;
         order.setOrderTime(new Date());
         super.save(order);
     }

     @Override
     public void update(Object entity) {
         Order order = (Order)entity;
         order.setOrderTime(new Date());
         super.update(entity);
     }
 }

9.

 package com.sanqing.serviceImpl;
 import org.springframework.stereotype.Service;

 import com.sanqing.dao.DaoSupport;
 import com.sanqing.po.Product;
 import com.sanqing.service.ProductService;

 @Service
 public class ProductServiceImpl extends DaoSupport<Product> implements ProductService {

 }

10.

 package com.sanqing.serviceImpl;

 import org.springframework.stereotype.Service;

 import com.sanqing.dao.DaoSupport;
 import com.sanqing.po.ProductType;
 import com.sanqing.service.ProductTypeService;

 @Service
 public class ProductTypeServiceImpl extends DaoSupport<ProductType> implements
         ProductTypeService {
 }

11.

 package com.sanqing.serviceImpl;

 import java.util.Date;

 import org.springframework.stereotype.Service;

 import com.sanqing.dao.DaoSupport;
 import com.sanqing.po.Quotation;
 import com.sanqing.service.QuotationService;

 @Service
 public class QuotationServiceImpl extends DaoSupport<Quotation> implements
         QuotationService {

     @Override
     public void save(Object entity) {
         Quotation quotation = (Quotation)entity;
         quotation.setQuotationTime(new Date());
         super.save(entity);
     }

     @Override
     public void update(Object entity) {
         Quotation quotation = (Quotation)entity;
         quotation.setQuotationTime(new Date());
         super.update(entity);
     }

 }

12.

 package com.sanqing.serviceImpl;

 import org.springframework.stereotype.Service;

 import com.sanqing.dao.DaoSupport;
 import com.sanqing.po.User;
 import com.sanqing.service.UserService;

 @Service
 public class UserServiceImpl extends DaoSupport<User> implements UserService {

     public boolean login(String username, String password) {
         long count = (Long)em.createQuery("select count(o) from User o where o.username=?1 and o.password=?2")
                 .setParameter(1, username).setParameter(2, password).getSingleResult();
         return count>0;
     }

 }

13.