数据连接池的学习
public class DruidDemo {
public static void main(String[] args) throws Exception {
//1.导入jar包
//2.定义配置文件
//3.加载配置文件
Properties prop = new Properties();
prop.load(new FileInputStream("src/druid.propertise"));
//4.获取连接池对象
DataSource dataSource = DruidDataSourceFactory.createDataSource(prop);
//5.获取数据库连接Connection
Connection connection = dataSource.getConnection();
System.out.println(connection);
}
}
配置文件
driverClassName=com.mysql.jdbc.Driver url=jdbc:mysql://localhost:3306/student?characterEncoding=utf-8 username=root password=887602 filters=stat initialSize=5 maxActive=10 maxWait=60000 timeBetweenEvictionRunsMillis=60000 minEvictableIdleTimeMillis=300000 validationQuery=SELECT 1 testWhileIdle=true testOnBorrow=false testOnReturn=false poolPreparedStatements=false maxPoolPreparedStatementPerConnectionSize=200



