首先在src目录下创建配置文件applicationContext.xml在文件中配置id为dataSource的数据源和id为jdbcTemplate的JDBC模板
<?xml version="1.0" encoding="UTF-8"?><beans xmlns=“http://www.springframework.org/schema/beans”
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.xsd">
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/> //数据库驱动
<property name="url" value="jdbc:mysql://localhost:3306/spring?useUnicode=true&characterEncoding=UTF-8&serverTimezone=GMT"/> //数据库链接url
<property name="username" value="root"/> //数据库账号
<property name="password" value=""/> ///数据库登录密码
</bean>
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dataSource"/>
</bean>
<bean id="accountDao" class="com.itheima.jdbc.AccountDaoImpl">
<property name="jdbcTemplate" ref="jdbcTemplate"/>
</bean>
在src目录下创建一个com.itheima.jdbc包,并创建测试类JdbcTemplate Test
package com.itheima.jdbc;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jdbc.core.JdbcTemplate;
import java.util.List;
public class JdbcTemplateTest {
public static void main(String[] args){ //使用execute()方法创建表
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml"); //加载配置文件
JdbcTemplate jdbcTemplate = (JdbcTemplate) applicationContext.getBean("jdbcTemplate"); //获取JdbcTemplate实例
jdbcTemplate.execute("create table account(" + "id int primary key auto_increment," + //执行spl语句
"username varchar(50)," +
"balance double)");
System.out.println("账户表account创建成功!");
}
}
运行成功后就会在数据库中创建数据表account