实现代码:
导包:
spring.xml配置文件:
<?xml version="1.0" encoding="utf-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
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/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<context:component-scan base-package="com.spring.jdbc"></context:component-scan>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close"
p:driverClassName="com.mysql.jdbc.Driver"
p:url="jdbc:mysql://localhost:3306/mybatis"
p:username="root"
p:password="root" />
<bean id="jdbctemplate" class="org.springframework.jdbc.core.JdbcTemplate"
p:dataSource-ref="dataSource"></bean>
</beans>
package com.spring.jdbc;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Component;
@Component
public class Springjdbc {
@Autowired
private JdbcTemplate jdbcTemplate;
public void find(){
String sql="select * from student";
List<Map<String,Object>> list=jdbcTemplate.queryForList(sql);
for(Map<String,Object> map:list){
System.out.println(map.get("sid")+"--"+map.get("sname")+"--"+map.get("t_id"));
}
}
}
测试:
package com.spring.jdbc;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class test {
public static void main(String[] args) {
BeanFactory beanFactory = new ClassPathXmlApplicationContext(
"spring.xml");
Springjdbc jd = beanFactory.getBean(Springjdbc.class);
jd.find();
}
}
结果:
1--asfsaf--1
2--dsagdhfa--2
2--ad--1
数据库中的数据: