H2建立JDBC连接和JDBC连接池
[注：jar包在下载的安装目录下]
1、JDBC连接
package com.boonya.h2.jdbc.connection;import java.sql.Connection;import java.sql.DriverManager;/** * DBConnection.java * 功能:测试H2提供的JDBC连接 * @author boonya * @version 1.0 2013-03-11 */public class DBConnection { private static String url="jdbc:h2:~/test"; private static String driver="org.h2.Driver"; private static String username="sa"; private static String password="123456"; public static Connection getConnection(){ Connection conn=null; try{ Class.forName(driver); conn=DriverManager.getConnection(url,username,password); }catch(Exception e){ System.out.println("DBConnection create connection is failed:"); e.printStackTrace(); } return conn; } public static void main(String[] args) { System.out.println(DBConnection.getConnection());//打印:conn1: url=jdbc:h2:~/test user=SA }}package com.boonya.h2.jdbc.conntion.pool;import java.sql.Connection;import java.sql.SQLException;import org.h2.jdbcx.JdbcConnectionPool;/** * DBConnectionPool.java * 功能:测试H2提供的JDBC连接池 * @author boonya * @version 1.0 2013-03-11 */public class DBConnectionPool{private static JdbcConnectionPool pool=JdbcConnectionPool.create("jdbc:h2:~/test", "sa", "123456");static{pool.setLoginTimeout(10000);//建立连接超时时间pool.setMaxConnections(100);//建立连接最大个数}public static JdbcConnectionPool getJDBCConnectionPool(){return pool;}public static Connection getConnection(){try {return pool.getConnection();} catch (SQLException e) {System.out.println("DBConnectionPool create connection is failed:");e.printStackTrace();}finally{pool.dispose(); //释放空闲连接}return null;}public static void main(String[] args) {System.out.println("Timeout :"+DBConnectionPool.getJDBCConnectionPool().getLoginTimeout()+" ,connection count:"+DBConnectionPool.getJDBCConnectionPool().getMaxConnections());System.out.println(DBConnectionPool.getConnection());}}