JAVAEE——spring03：spring整合JDBC和aop事务

        //0 准备连接池
        ComboPooledDataSource dataSource = new ComboPooledDataSource();
        dataSource.setDriverClass("com.mysql.jdbc.Driver");
        dataSource.setJdbcUrl("jdbc:mysql:///xieyupeng");
        dataSource.setUser("root");
        dataSource.setPassword("1234");
        //1 创建JDBC模板对象
        JdbcTemplate jt = new JdbcTemplate();
        jt.setDataSource(dataSource);
        //2 书写sql,并执行
        String sql = "insert into t_user values(null,‘rose‘) ";
        jt.update(sql);

//使用JDBC模板实现增删改查
public class UserDaoImpl extends JdbcDaoSupport implements UserDao {
    @Override
    public void save(User u) {
        String sql = "insert into t_user values(null,?) ";
        super.getJdbcTemplate().update(sql, u.getName());
    }
    @Override
    public void delete(Integer id) {
        String sql = "delete from t_user where id = ? ";
        super.getJdbcTemplate().update(sql,id);
    }
    @Override
    public void update(User u) {
        String sql = "update  t_user set name = ? where id=? ";
        super.getJdbcTemplate().update(sql, u.getName(),u.getId());
    }
    @Override
    public User getById(Integer id) {
        String sql = "select * from t_user where id = ? ";
        return super.getJdbcTemplate().queryForObject(sql,new RowMapper<User>(){
            @Override
            public User mapRow(ResultSet rs, int arg1) throws SQLException {
                User u = new User();
                u.setId(rs.getInt("id"));
                u.setName(rs.getString("name"));
                return u;
            }}, id);
        
    }
    @Override
    public int getTotalCount() {
        String sql = "select count(*) from t_user  ";
        Integer count = super.getJdbcTemplate().queryForObject(sql, Integer.class);
        return count;
    }

    @Override
    public List<User> getAll() {
        String sql = "select * from t_user  ";
        List<User> list = super.getJdbcTemplate().query(sql, new RowMapper<User>(){
            @Override
            public User mapRow(ResultSet rs, int arg1) throws SQLException {
                User u = new User();
                u.setId(rs.getInt("id"));
                u.setName(rs.getString("name"));
                return u;
            }});
        return list;
    }
}

<!-- 1.将连接池放入spring容器 -->
<bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" >
    <property name="jdbcUrl" value="${jdbc.jdbcUrl}" ></property>
    <property name="driverClass" value="${jdbc.driverClass}" ></property>
    <property name="user" value="${jdbc.user}" ></property>
    <property name="password" value="${jdbc.password}" ></property>
</bean>


<!-- 2.将JDBCTemplate放入spring容器 -->
<bean name="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate" >
    <property name="dataSource" ref="dataSource" ></property>
</bean>

<!-- 3.将UserDao放入spring容器 -->
<bean name="userDao" class="cn.itcast.a_jdbctemplate.UserDaoImpl" >
    <!-- <property name="jt" ref="jdbcTemplate" ></property> -->
    <property name="dataSource" ref="dataSource" ></property>
</bean>

//演示JDBC模板
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class Demo {
    @Resource(name="userDao")
    private UserDao ud;

    @Test
    public void fun2() throws Exception{
        User u = new User();
        u.setName("tom");
        ud.save(u);
    }
    @Test
    public void fun3() throws Exception{
        User u = new User();
        u.setId(2);
        u.setName("jack");
        ud.update(u);
        
    }
    
    @Test
    public void fun4() throws Exception{
        ud.delete(2);
    }
    
    @Test
    public void fun5() throws Exception{
        System.out.println(ud.getTotalCount());
    }
    
    @Test
    public void fun6() throws Exception{
        System.out.println(ud.getById(1));
    }
    
    @Test
    public void fun7() throws Exception{
        System.out.println(ud.getAll());
    }
    
}

public class UserDaoImpl extends JdbcDaoSupport

<!-- 3.将UserDao放入spring容器(继承JDBCDaoSupport，直接注入dataSourse即可) -->
<bean name="userDao" class="cn.itcast.a_jdbctemplate.UserDaoImpl" >
    <!-- <property name="jt" ref="jdbcTemplate" ></property> -->
    <property name="dataSource" ref="dataSource" ></property>
</bean>

jdbc.jdbcUrl=jdbc:mysql:///hibernate_32
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.user=root
jdbc.password=1234

<!-- 指定spring读取db.properties配置 -->
<context:property-placeholder location="classpath:db.properties"  />

<!-- 1.将连接池放入spring容器 -->
<bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" >
    <property name="jdbcUrl" value="${jdbc.jdbcUrl}" ></property>
    <property name="driverClass" value="${jdbc.driverClass}" ></property>
    <property name="user" value="${jdbc.user}" ></property>
    <property name="password" value="${jdbc.password}" ></property>
</bean>

<!-- 事务核心管理器,封装了所有事务操作. 依赖于连接池 -->
<bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
    <property name="dataSource" ref="dataSource" ></property>
</bean>

<!-- 事务模板对象 -->
<bean name="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate" >
    <property name="transactionManager" ref="transactionManager" ></property>
</bean>

<!-- 3.Service-->
<bean name="accountService" class="cn.itcast.service.AccountServiceImpl" >
    <property name="ad" ref="accountDao" ></property>
    <property name="tt" ref="transactionTemplate" ></property>
</bean> 

    public void transfer(final Integer from,final Integer to,final Double money) {
        
        tt.execute(new TransactionCallbackWithoutResult() {
            @Override
            protected void doInTransactionWithoutResult(TransactionStatus arg0) {
                //减钱
                ad.decreaseMoney(from, money);
                int i = 1/0;//触发错误，验证代码是否正确
                //加钱
                ad.increaseMoney(to, money);
            }
        });
    }

<!-- 配置事务通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager" >
    <tx:attributes>
        <!-- 以方法为单位,指定方法应用什么事务属性
            isolation:隔离级别
            propagation:传播行为
            read-only:是否只读
         -->
        <tx:method name="save*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
        <tx:method name="persist*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
        <tx:method name="update*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
        <tx:method name="modify*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
        <tx:method name="delete*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
        <tx:method name="remove*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
        <tx:method name="get*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="true" />
        <tx:method name="find*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="true" />
        <tx:method name="transfer" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
    </tx:attributes>
</tx:advice>

<!-- 配置织入 -->
<aop:config  >
    <!-- 配置切点表达式 -->
    <aop:pointcut expression="execution(* cn.itcast.service.*ServiceImpl.*(..))" id="txPc"/>
    <!-- 配置切面 : 通知+切点
             advice-ref:通知的名称
             pointcut-ref:切点的名称
     -->
    <aop:advisor advice-ref="txAdvice" pointcut-ref="txPc" />
</aop:config>

<!-- 开启使用注解管理aop事务 -->
<tx:annotation-driven/>

@Transactional(isolation=Isolation.REPEATABLE_READ,propagation=Propagation.REQUIRED,readOnly=true)
public class AccountServiceImpl implements AccountService {

    private AccountDao ad ;
    private TransactionTemplate tt;
    
    @Override
    @Transactional(isolation=Isolation.REPEATABLE_READ,propagation=Propagation.REQUIRED,readOnly=false)
    public void transfer(final Integer from,final Integer to,final Double money) {