spring中bean配置8.0版本数据库
(使用属性文件配置)
上代码!
bean文件:
p,context包需要自行导入
或者复制我的全部代码即可
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<!-- 导入context来引入属性文件 -->
<context:property-placeholder location="classpath:db.properties"/>
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
p:user="${user}"
p:password="${password}"
p:driverClass="${driverclass}"
p:jdbcUrl="${jdbcurl}">
</bean>
</beans>
da.properties文件:
跟直接配置稍有不同,可以参考上篇文章,点击下面文字:
spring中bean配置8.0版本数据库,时区解决问题!
user=root
password=123456
driverclass=com.mysql.cj.jdbc.Driver
jdbcurl=jdbc:mysql://localhost:3306/daname?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT%2B8
测试类文件:
package springDemo.properties;
import java.sql.SQLException;
import javax.sql.DataSource;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Main {
public static void main(String[] args) throws SQLException {
// TODO Auto-generated method stub
ApplicationContext ctx = new ClassPathXmlApplicationContext("beans-properties.xml");
DataSource dataSource = (DataSource)ctx.getBean("dataSource");
System.out.println(dataSource.getConnection());
}
}