Dao使用JDBCTemplate

    <bean id="userDao" class="com.hw.domain.UserDao">
        <property name="jdbcTemplate" ref="jdbcTemplate"></property>
    </bean>
    <bean id="serviceDao" class="com.hw.domain.ServiceDao">
        <property name="userDao" ref="userDao"></property>
    </bean>
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
    <property name="dataSource" ref="dataSource"></property>
    </bean>

public class UserDao {
    private JdbcTemplate jdbcTemplate;
    public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }
    public void save(){
    String sql= "insert into pop values(?,?)";
    jdbcTemplate.update(sql,2,"ppp");
    }
}

public class UserDao extends JdbcTemplate{
    public void add(){
        String sql = "insert into pop values(?,?)";
        update(sql,5,"ss"); 
    }
}

    <bean id="userDao" class="com.hw.domain.UserDao">
        <property name="dataSource">
        <ref bean="dataSource"/>
        </property>
    </bean>

import org.springframework.jdbc.core.support.JdbcDaoSupport;

public class UserDao extends JdbcDaoSupport{
    public void add(){
        String sql = "insert into pop values(?,?)";
        this.getJdbcTemplate().update(sql,6,"ss");  
    }
}
<bean id="userDao" class="com.hw.domain.UserDao">
        <property name="dataSource">
        <ref bean="dataSource"/>
        </property>
    </bean>