• Spring整合mybatis改造service层


    首先添加一下Service层

    package cn.smbms.service;


    import java.util.List;

    import cn.smbms.pojo.User;

    public interface UserService {

      public List<User> findUsers(User user);
    }

    package cn.smbms.service;

    import java.util.List;

    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.beans.factory.annotation.Qualifier;
    import org.springframework.stereotype.Service;

    import cn.smbms.dao.user.UserMapper;
    import cn.smbms.pojo.User;

    @Service("userService")
    public class UserServiceImpl implements UserService {

    @Autowired
    @Qualifier("userMapper")
    private UserMapper userMapper;
    public UserMapper getUserMapper() {
      return userMapper;
    }
    public void setUserMapper(UserMapper userMapper) {
      this.userMapper = userMapper;
    }
    @Override
    public List<User> findUsers(User user) {
      // TODO Auto-generated method stub
      return userMapper.getUserList(user);//调用的dao层的方法
      }

    }

    applicationContext.xml

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <beans xmlns="http://www.springframework.org/schema/beans"
     3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
     4     xmlns:p="http://www.springframework.org/schema/p"
     5     xmlns:aop="http://www.springframework.org/schema/aop" 
     6     xmlns:tx="http://www.springframework.org/schema/tx"
     7     xmlns:context="http://www.springframework.org/schema/context"
     8     xsi:schemaLocation="http://www.springframework.org/schema/beans
     9     http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    10     http://www.springframework.org/schema/aop
    11     http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
    12     http://www.springframework.org/schema/tx
    13     http://www.springframework.org/schema/tx/spring-tx-3.2.xsd 
    14     http://www.springframework.org/schema/context
    15     http://www.springframework.org/schema/context/spring-context-3.2.xsd ">
    16 
    17     <!--配置数据源 -->
    18     <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
    19         <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
    20         <property name="url"
    21             value="jdbc:mysql://localhost:3306/smbms?useUnicode=true&amp;characterEncoding=utf-8"></property>
    22         <property name="username" value="root"></property>
    23         <property name="password" value="root"></property>
    24 
    25     </bean>
    26     <!--配置SqlSessionFactoryBean -->
    27     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    28         <!--获取到你的数据源 -->
    29         <property name="dataSource" ref="dataSource"></property>
    30         <!--获取到mybatis的配置文件  注意这里使用的是value属性 -->
    31         <property name="configLocation" value="classpath:mybatis-config.xml"></property>
    32         <!--使用下面这种方式获取sql文件  -->
    33         <property name="mapperLocations">
    34             <list>
    35                 <value>classpath:cn/smbms/dao/**/*.xml</value>
    36             </list>
    37         </property> 
    38     </bean>
    39     
    40 
    41     
    42     <!-- 如果在真实的项目中,映射器比较多的情况下,我们可以使用MapperScannerConfigure扫描基准包 -->
    43     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    44         <property name="basePackage" value="cn.smbms.dao"></property>
    45     </bean>
    46     
    47     <!--然后改造一下的我们的service层  -->
    48     <!--扫描注解定义  -->
    49     <context:component-scan base-package="cn.smbms.service"></context:component-scan>
    50     
    51 </beans>

    测试方法:

     1     @Test
     2     public void testGetUserList(){
     3         
     4         User userCondition = new User();
     5         userCondition.setUserName("赵");
     6         userCondition.setUserRole(3);        
     7         //UserMapper userMapper=new UserMapperImpl();
     8         ApplicationContext ctx=new 
     9                 ClassPathXmlApplicationContext("applicationContext.xml");
    10         
    11         
    12         //我们可以看下,容器为我们创建的bean的名称
    13         for(String name:ctx.getBeanDefinitionNames()){
    14             logger.info("IOC容器创建的Bean:"+name);
    15         }
    16         UserService tUserService=(UserService) ctx.getBean("userService");    
    17         
    18         
    19         List<User> userList = tUserService.findUsers(userCondition);
    20     
    21         for(User user: userList){
    22             logger.debug("testGetUserList userCode: " + user.getUserCode() + 
    23                         " and userName: " + user.getUserName() + 
    24                         " and userRole: " + user.getUserRole() + 
    25                         " and userRoleName: " + user.getUserRoleName() +
    26                         " and age: " + user.getAge() +
    27                         " and address: " + user.getAddress());
    28         }
    29     }
    30     

    运行结果:

     

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  • 原文地址:https://www.cnblogs.com/dongyaotou/p/12152612.html
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