Spring3.2.9 + JdbcTemplate 学习

applicationContext.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
     xmlns:aop="http://www.springframework.org/schema/aop"
     xsi:schemaLocation="http://www.springframework.org/schema/beans
     http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
     http://www.springframework.org/schema/context
     http://www.springframework.org/schema/context/spring-context.xsd
     http://www.springframework.org/schema/mvc
     http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
     http://www.springframework.org/schema/aop
     http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
     http://www.springframework.org/schema/tx
     http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
 
     <context:property-placeholder location="classpath:jdbc.properties"/>
 
     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
         <property name="driverClass" value="${jdbc.driverClass}"></property>
         <property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
         <property name="user" value="${jdbc.user}"></property>
         <property name="password" value="${jdbc.password}"></property>
     </bean>
 
     <bean id="testService" class="cn.byref.spring.demo.TestServiceImpl">
         <property name="testDao" ref="testDao"></property>
     </bean>
 
     <bean id="testDao" class="cn.byref.spring.demo.TestDaoImpl">
         <property name="dataSource" ref="dataSource"></property>
     </bean>
 
 </beans>

TestDaoImpl.java

package cn.byref.spring.demo;
 
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
 
public class TestDaoImpl extends JdbcDaoSupport implements TestDao {
 
    @Override
    public void addAge(String userName, int age) {
        JdbcTemplate tpl = this.getJdbcTemplate();
        String sql = "update test set age = ? where username = ?";
        int cnt = tpl.update(sql, new Object[] { age, userName});
        System.out.println("effected = " + cnt);
    }
 
}

TestClass.java

package cn.byref.spring.demo;
 
import javax.annotation.Resource;
 
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
import com.mchange.v2.c3p0.ComboPooledDataSource;
 
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class TestClass {
 
    @Resource
    private ComboPooledDataSource dataSource;
 
    @Resource
    private TestDao testDao;
 
    @Resource
    TestService testService;
 
    @Test
    public void test(){
//        testDao.addAge("侠客", 1001);
        testService.addAge("侠客", 110);
    }
}