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.