测试mapper的工作

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package cn.com.cmbc.crud.test;import cn.com.cmbc.crud.bean.Department;import cn.com.cmbc.crud.bean.Employee;import cn.com.cmbc.crud.dao.DepartmentMapper;import cn.com.cmbc.crud.dao.EmployeeMapper;import org.apache.ibatis.session.SqlSession;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;import java.util.UUID;/** *测试dao层的工作 * Created by yemin on 2017/8/26. * 使用spring的单元测试，可以自动注入我们的组件 * 需要在pom中导入spring单元测试的插件 * @ContextConfiguration指定spring配置文件的位置，可以不使用原生写法，直接指定autowired即可 */@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(locations={"classpath:applicationContext.xml"})public class MapperTest {    @Autowired    DepartmentMapper departmentMapper;    @Autowired    EmployeeMapper employeeMapper;    @Autowired    SqlSession sqlSession;    @Test    public void testCRUD(){       /* System.out.println(departmentMapper);        departmentMapper.insertSelective(new Department(null,"开发部门"));        departmentMapper.insertSelective(new Department(null,"测试部门"));//        生成员工数据，插入数据库        employeeMapper.insertSelective(new Employee(null, "gl", "M", "stream_gao@qq.com", 1));      employeeMapper.insertSelective(new Employee(null,"zhangsan","F","123@126.com",2));*///批量插入多个员工，批量，使用可以进行批量的sqlsession        EmployeeMapper em= sqlSession.getMapper(EmployeeMapper.class);      for(int i=0;i<1000;i++){         String uid= UUID.randomUUID().toString().substring(0,5)+i;         em.insertSelective(new Employee(null, uid, "M", uid+"@126.com", 1));      }    }}
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