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(); } }}

转载于:https://www.cnblogs.com/newcityboy/p/11366927.html

相关资源：Druid数据库连接池