druid数据库连接池的使用

driverClassName=com.mysql.jdbc.Driverurl=jdbc:mysql://127.0.0.1:3306/estoreusername=rootpassword=123#初始连接数initialSize=5#最大连接数maxActive=10#最大连接时间maxWait=3000

package cn.itcast.datasource.druid;import com.alibaba.druid.pool.DruidDataSource;import com.alibaba.druid.pool.DruidDataSourceFactory;import javax.sql.DataSource;import java.io.*;import java.sql.Connection;import java.util.Properties;/** * @author newcityman * @date 2019/8/16 - 23:29 */public class DruidDemo {    public static void main(String[] args) {        try {//        1、导入jar包//        2、定义配置文件//        3、加载配置文件            Properties prop = new Properties();            InputStream is = DruidDemo.class.getClassLoader().getResourceAsStream("druid.properties");            prop.load(is);//        4、获取连接对象            DataSource dataSource = DruidDataSourceFactory.createDataSource(prop);//        5、获取连接            Connection conn = dataSource.getConnection();//            System.out.println(conn);        } catch (Exception e) {            e.printStackTrace();        }    }}

来源：https://www.cnblogs.com/newcityboy/p/11366927.html