先在CustomerService(接口)上编写 findDictByCode 方法 publicinterfaceCustomerService {publicList<BaseDict>findDictByCode(String code); } 然后在 CustomerServiceImpl 实现类上实现该方法。注意类上要加@Service注解: @ServicepublicclassCustomerServiceImplimplementsCustomerService {//因为下面要调用DAO的方法,所以把...
(2)创建用户Service层接口的实现类。在src目录下,创建一个com.itheima.core.service. impl包,并在包中创建UserService接口的实现类UserServiceImpl,在类中编辑并实现接口中的方法,如文件18-9所示。 文件18-9 UserServiceImpl.java @Service@TransactionalpublicclassUserServiceImplimplementsUserService{// 注入Userdao@...
2、在com.zsj.dao包中创建接口CustomerDao以及对应的映射文件CustomerDao.xml 3、在com.zsj.service包中创建服务接口CustomerService 4、创建com.zsj.service.impl包并创建服务接口实现类CustomerServicelmpl 5、在 com.zsj.controller包中创建控制器类CustomerController 6、在/WEB-IN/jsp目录下创建一个展示客户详情的...
personal center, user management, film type management, projection hall management, being released management, upcoming release management, system management, order management, user front desk; home page, being released, being released, film information...
Shengzhou Stove Manufacturer. We develop and produce clean and efficient stoves for the global market. We strongly believe in manufacturing and distributing highest quality stoves that create customer
package com.ming.ssm.service; import java.util.List; import com.ming.ssm.pojo.Customer; /** * 定义业务层接口 * @author Mr.F * */ public interface CustomerService { List<Customer> findAllCustomer(); //查询所有客户信息 } 1. 2.
CustomerClient调用CustomerService的save()方法。将调用CustomerServiceImpl的对象实现的save()切换成调用CustomerServiceImpl2对象实现的save()。 注意:重点观察CustomerClient,切换过程中有没有修改该类的代码。 如果将CustomerClient调用的CustomerServiceImpl的对象修改为CustomerServiceImpl2的对象,而不用修改CustomerClient的...
service; import org.mryang.schoolorder.pojo.Customer; /** * 会员业务逻辑层接口,继承 增删改查业务逻辑接口 * 降低偶合 */ public interface CustomerService extends CrudService<Customer>{ /** * 返回登陆的用户 * @param customer * @return */ public Customer foreLogin(Customer customer); /** * ...
users can recharge online to order food, manage shopping carts and consult customer service. Merchants can release food and manage orders. Administrators can publish announcements, review food and manage orders. This system can realize the ordering of meals on campus and help businesses sell meals ...
the innovative development of glasses retail business. This system not only helps businesses achieve precise marketing, inventory management, and customer management, but also provides consumers with a convenient shopping experience, personalized product recommendations, and comprehensive after-sales service. ...