Spring Data HelloWorld（三）

package org.springdata.repository;

import org.springdata.domain.Employee;
import org.springframework.data.repository.Repository;
import org.springframework.data.repository.RepositoryDefinition;

/***
 *
 */public interface EmployeeRepository extends Repository<Employee,Integer> {
    /**
     * 根据名字找员工
     * desc
     * @param name
     * @return
     */
    public Employee findByName(String name);
}

package org.springdata;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springdata.domain.Employee;
import org.springdata.repository.EmployeeRepository;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * 测试类
 */
public class SpringDataTest {

    private ApplicationContext ctx = null;

    private EmployeeRepository employeeRepository = null;

    @Before
    public void setup(){
        ctx = new ClassPathXmlApplicationContext("beans.xml");
        employeeRepository = (EmployeeRepository)ctx.getBean(EmployeeRepository.class);
        System.out.println("setup");
    }

    @After
    public void tearDown(){
        ctx = null;
        System.out.println("tearDown");
    }

    @Test
    public void testEntityManagerFactory(){

    }

    @Test
    public void testFindByName(){
        System.out.println(employeeRepository);
        Employee employee = employeeRepository.findByName("zhangsan");
        System.out.println("id:" + employee.getId()
                + " , name:" + employee.getName()
                + " ,age:" + employee.getAge());
    }
}