spring與mybatis四種整合方法

1、採用數據映射器（MapperFactoryBean）的方式，不用寫mybatis映射文件，採用註解方式提供相應的sql語句和輸入參數。
（1）Spring配置文件：

     <!-- 引入jdbc配置文件 --> 
      <context:property-placeholder location="jdbc.properties"/>

      <!--創建jdbc數據源 --> 
       <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> 
         <property name="driverClassName" value="${driver}"/> 
         <property name="url" value="${url}"/> 
         <property name="username" value="${username}"/> 
         <property name="password" value="${password}"/> 
         <property name="initialSize" value="${initialSize}"/> 
         <property name="maxActive" value="${maxActive}"/> 
         <property name="maxIdle" value="${maxIdle}"/> 
         <property name="minIdle" value="${minIdle}"/> 
       </bean>

      <!-- 創建SqlSessionFactory，同時指定數據源--> 
       <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 
       <property name="dataSource" ref="dataSource" /> 
       </bean>

      <!--創建數據映射器，數據映射器必須爲接口--> 
       <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean"> 
       <property name="mapperInterface" value="com.xxt.ibatis.dbcp.dao.UserMapper" /> 
       <property name="sqlSessionFactory" ref="sqlSessionFactory" /> 
       </bean>

      <bean id="userDaoImpl2" class="com.xxt.ibatis.dbcp.dao.impl.UserDaoImpl2"> 
       <property name="userMapper" ref="userMapper"/> 
  </bean>

（2）數據映射器UserMapper,代碼

如下

public interface UserMapper { 
         @Select("SELECT * FROM user WHERE id = #{userId}") 
         User getUser(@Param("userId") long id); 
         }

(3) dao接口類UserDao，代碼如下：

public interface UserDao { 
        public User getUserById(User user); 
    }

(4)dao實現類UserDaoImpl2,，代碼如下:

public class UserDaoImpl2 implements UserDao { 
       private UserMapper userMapper;

       public void setUserMapper(UserMapper userMapper) { 
            this.userMapper = userMapper; 
       } 

       public User getUserById(User user) { 
           return userMapper.getUser(user.getId()); 
       } 
    }

2、採用接口org.apache.ibatis.session.SqlSession的實現類org.mybatis.spring.SqlSessionTemplate。
Mybatis中,sessionFactory可由SqlSessionFactoryBuilder.來創建。MyBatis- Spring 中，使用了SqlSessionFactoryBean來替代。SqlSessionFactoryBean有一個必須屬性 dataSource，另外其還有一個通用屬性configLocation（用來指定mybatis的xml配置文件路徑）。
（1）Spring配置文件：

    <!-- 創建SqlSessionFactory，同時指定數據源--> 
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 
       <property name="dataSource" ref="dataSource" /> 
       <!-- 指定sqlMapConfig總配置文件，訂製的environment在spring容器中不在生效--> 
       <property  name="configLocation"  value="classpath:sqlMapConfig.xml"/> 
       <!--指定實體類映射文件，可以指定同時指定某一包以及子包下面的所有配置文件，mapperLocations和configLocation 有一個即可，當需要爲實體類指定別名時，可指定configLocation屬性，再在mybatis總配置文件中採用mapper引入實體類映射文件 --> 
       <!- - <property  name="mapperLocations"  value="classpath*:com/xxt/ibatis/dbcp/**/*.xml"/>  --> 
    </bean>

<bean id="sqlSession"     class="org.mybatis.spring.SqlSessionTemplate"> 
       <constructor-arg index="0" ref="sqlSessionFactory" /> 
 </bean> 
<bean id="UserDaoImpl " class="com.xxt.ibatis.dbcp.dao.impl.UserDaoImpl"> 
    <!--注入SqlSessionTemplate實例 --> 
    <property name="sqlSessionTemplate" ref="sqlSession" /> 
 --> 
 </bean>

(2)mybatis總配置文件sqlMapConfig.xml：

<configuration> 
    <typeAliases> 
      <typeAlias type="com.xxt.ibatis.dbcp.domain.User" alias="User" /> 
   </typeAliases> 
    <mappers> 
       <mapper resource="com/xxt/ibatis/dbcp/domain/user.map.xml" /> 
      </mappers> 
  </configuration>

(3)實體

類映射文件user.map.xml:

<mapper namespace="com.xxt.ibatis.dbcp.domain.User"> 
      <resultMap type="User" id="userMap"> 
         <id property="id" column="id" /> 
         <result property="name" column="name" /> 
         <result property="password" column="password" /> 
         <result property="createTime" column="createtime"/> 
      </resultMap> 
      <select id="getUser" parameterType="User" resultMap="userMap"> 
        select * from user where id = #{id} 
      </select> 
 <mapper/>

(4)dao層接口實現類UserDaoImpl：

 public class UserDaoImpl implements  UserDao  { 
      public SqlSessionTemplate sqlSession; 
      public User getUserById(User user) { 
          return (User)sqlSession.selectOne("com.xxt.ibatis.dbcp.domain.User.getUser", user); 
      } 
      public void setSqlSession(SqlSessionTemplate sqlSession) { 
           this.sqlSession = sqlSession; 
      } 
  }

3、採用抽象類org.mybatis.spring.support.SqlSessionDaoSupport提供SqlSession。

(1)spring配置文件:

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 
    <property name="dataSource" ref="dataSource" /> 
    <property  name="configLocation"  value="classpath:sqlMapConfig.xml"/> 
    <!-- <property  name="mapperLocations"  value="classpath*:com/xxt/ibatis/dbcp/domain/user.map.xml"/   >  --> 
 </bean>

 <bean id="sqlSession"     class="org.mybatis.spring.SqlSessionTemplate"> 
       <constructor-arg index="0" ref="sqlSessionFactory" /> 
 </bean>

<bean id="userDaoImpl3" class="com.xxt.ibatis.dbcp.dao.impl.UserDaoImpl3"> 
    <!--注入SqlSessionTemplate實例 --> 
    <property name="sqlSessionTemplate" ref="sqlSession" /> 
    <!--也可直接注入SqlSessionFactory實例，二者都指定時，SqlSessionFactory失效 --> 
    <!-- <property name="sqlSessionFactory" ref="sqlSessionFactory" /> 
 --> 
 </bean>

(2) dao層接口實現類U

serDaoImpl3： 

public class UserDaoImpl3 extends SqlSessionDaoSupport implements UserDao {   
   public User getUserById(User user) {   
      return (User) getSqlSession().selectOne("com.xxt.ibatis.dbcp.domain.User.getUser", user);   
   }   
 }

4、採用org.mybatis.spring.mapper.MapperFactoryBean或者org.mybatis.spring.mapper.MapperScannerConfigurer

   <beans:bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 
        <beans:property name="dataSource" ref="simpleDataSource" /> 
        <beans:property name="configLocation" 
            value="classpath:conf/core/mybatis-config.xml" /> 
    </beans:bean> 

    <beans:bean id="sqlSessionFactory_contact" class="org.mybatis.spring.SqlSessionFactoryBean"> 
        <beans:property name="dataSource" ref="simpleDataSource_contact" /> 
        <beans:property name="configLocation" 
            value="classpath:conf/core/mybatis-config-contact.xml" /> 
    </beans:bean> 

    <beans:bean id="transactionManager" 
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 
        <beans:property name="dataSource" ref="simpleDataSource" /> 
    </beans:bean> 

    <beans:bean id="transactionManager_contact" 
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 
        <beans:property name="dataSource" ref="simpleDataSource_contact" /> 
    </beans:bean> 


    <!--  <tx:annotation-driven transaction-manager="transactionManager" /> 
    <tx:annotation-driven transaction-manager="transactionManager_contact" /> 
    -->    

<bean id="userDao" class="org.mybatis.spring.mapper.MapperFactoryBean"> 
        <property name="mapperInterface" value="com.mybatis.UserDao"></property> 
        <property name="sqlSessionFactory" ref="sqlSessionFactory"></property> 
    </bean> 

    <bean id="userService" class="com.mybatis.UserServiceImpl"> 
        <property name="userDao" ref="userDao"></property> 
    </bean> 

    <!-- 加載配置文件 --> 
    <beans:bean name="mapperScannerConfigurer" 
        class="org.mybatis.spring.mapper.MapperScannerConfigurer"> 
        <beans:property name="basePackage" value="com.elong.hotel.crm.data.mapper" /> 
        <beans:property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></beans:property> 
    </beans:bean> 
    <beans:bean name="mapperScannerConfigurer_contact" 
        class="org.mybatis.spring.mapper.MapperScannerConfigurer"> 
        <beans:property name="basePackage" 
            value="com.elong.hotel.crm.data.contact.mapper" /> 
        <beans:property name="sqlSessionFactoryBeanName" value="sqlSessionFactory_contact"></beans:property> 
    </beans:bean> 

    <tx:advice id="txAdvice" transaction-manager="transactionManager"> 
        <tx:attributes> 
            <!-- name表示以什麼開始的方法名，比如 add*表示add開頭的方法 propagation表示事務傳播屬性，不寫默認有 --> 
            <tx:method name="save*" propagation="REQUIRED" /> 
            <tx:method name="insert*" propagation="REQUIRED" /> 
            <tx:method name="add*" propagation="REQUIRED" /> 
            <tx:method name="del*" /> 
            <tx:method name="update*" /> 
            <tx:method name="find*" read-only="true" /> 
            <tx:method name="get*" read-only="true" /> 
            <tx:method name="search*" read-only="true" /> 
        </tx:attributes> 
    </tx:advice> 

    <tx:advice id="txAdvice_contact" transaction-manager="transactionManager_contact"> 
        <tx:attributes> 
            <!-- name表示以什麼開始的方法名，比如 add*表示add開頭的方法 propagation表示事務傳播屬性，不寫默認有 --> 
            <tx:method name="save*" propagation="REQUIRED" /> 
            <tx:method name="insert*" propagation="REQUIRED" /> 
            <tx:method name="add*" propagation="REQUIRED" /> 
            <tx:method name="del*" /> 
            <tx:method name="update*" /> 
            <tx:method name="find*" read-only="true" /> 
            <tx:method name="get*" read-only="true" /> 
            <tx:method name="search*" read-only="true" /> 
        </tx:attributes> 
    </tx:advice> 
    <!-- 配置事務切面 --> 
    <aop:config> 
        <aop:pointcut expression="execution(* com.elong.hotel.crm.service..*.*(..))" 
            id="pointcut" /> 
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut" /> 
        <aop:advisor advice-ref="txAdvice_contact" pointcut-ref="pointcut" /> 
    </aop:config>