不修改配置的Mybatis整合Spring要点详解编程语言

<?xml version="1.0" encoding="UTF-8" ?> 
<!DOCTYPE configuration 
PUBLIC "-//mybatis.org//DTD Config 3.0//EN" 
"http://mybatis.org/dtd/mybatis-3-config.dtd"> 
<configuration> 
    <properties resource="jdbc.properties"></properties> 
 
    <typeAliases> 
        <package name="com.sunwii.mybatis.bean" /> 
    </typeAliases> 
 
    <environments default="development"> 
        <environment id="development">
　　　　　　　<!--将事务交张Spring管理--> 
            <transactionManager type="org.mybatis.spring.transaction.SpringManagedTransactionFactory" /> 
            <dataSource type="POOLED"> 
                <property name="driver" value="${driver}" /> 
                <property name="url" value="${url}" /> 
                <property name="username" value="${user}" /> 
                <property name="password" value="${password}" /> 
            </dataSource> 
        </environment> 
    </environments> 

   <!--这里mappers块可以保留或删除或配置不存在的包也无所谓--> 
    <mappers> 
        <package name="Xcom/sunwii/mybatis/mapper"></package> 
    </mappers> 
</configuration>

public class SessionFactoryBuilder { 
    private String mybatisConfigPath; 
 
    public String getMybatisConfigPath() { 
        return mybatisConfigPath; 
    } 
 
    public void setMybatisConfigPath(String mybatisConfigPath) { 
        this.mybatisConfigPath = mybatisConfigPath; 
    } 
 
    public SqlSessionFactory createSqlSessionFactory() { 
        SqlSessionFactory factory = null; 
        InputStream inputStream; 
        try { 
            inputStream = Resources.getResourceAsStream(this.mybatisConfigPath); 
            factory = new SqlSessionFactoryBuilder().build(inputStream); 
        } catch (IOException e) { 
            // TODO Auto-generated catch block 
            e.printStackTrace(); 
        } 
        return factory; 
    } 
}

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans" 
    xmlns:context="http://www.springframework.org/schema/context" 
    xmlns:p="http://www.springframework.org/schema/p" 
    xmlns:aop="http://www.springframework.org/schema/aop" 
    xmlns:tx="http://www.springframework.org/schema/tx" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd 
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd 
    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> 
 
 
    <!-- 动态工厂实例化一个SqlSessionFactory --> 
    <bean id="sessionFactoryBuilder" class="com.sunwii.mybatis.util.SessionFactoryBuilder"> 
        <property name="mybatisConfigPath" value="mybatis-config.xml" /> 
    </bean> 
    <bean id="sessionFactory" factory-bean="sessionFactoryBuilder" factory-method="createSqlSessionFactory" /> 
 
    <!-- Mapper动态代理开发扫描 --> 
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> 
        <property name="basePackage" value="com.sunwii.mybatis.mapper" /> 
    </bean> 
     
     
    <!-- 事务管理器 --> 
    <bean id="transactionManager" 
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 
        <property name="dataSource" 
            value="#{sessionFactory.configuration.environment.dataSource}" /> 
    </bean> 
 
    <!-- 注解事务 --> 
    <tx:annotation-driven 
        transaction-manager="transactionManager" /> 
 
    <!-- Service扫描 --> 
    <context:component-scan 
        base-package="com.sunwii.mybatis.service.impl" /> 
 
</beans>

@Service 
public class RoleServiceImpl implements RoleService { 
    @Autowired  
    private RoleMapper roleMapper; 
    @Autowired  
    private RolePermissionMapper rolePermissionMapper; 
    @Autowired  
    private PermissionMapper permissionMapper; 
 
    @Override 
    @Transactional 
    public int insertRole(Role role) { 
 
        int rs = 0; 
 
        rs = roleMapper.insert(role); 
 
        //Permission permission = permissionMapper.selectById(56); 
        //role.setPermissions(Arrays.asList(permission)); 
         
        Permission permission =  new Permission(); 
        permission.setName("permission-" + 1); 
        permissionMapper.insert(permission); 
         
        // 0 / 0  测试事务回滚 
        new Integer(0 / 1); 
 
        RolePermission rolePermission = new RolePermission(); 
        rolePermission.setRole(role); 
        rolePermission.setPermission(permission); 
        rolePermissionMapper.insert(rolePermission); 
 
        return rs; 
    } 
 
    @Override 
    public Role getRoleById(Integer id) { 
        return roleMapper.selectById(id); 
    } 
 
 
}