C3p0连接池

package day19;

import java.beans.PropertyVetoException;
import java.sql.Connection;

import com.mchange.v2.c3p0.ComboPooledDataSource;

public class TestC3p001 {

	/**
	 * @param args
	 * @throws Exception 
	 */
	public static void main(String[] args) throws Exception {
		ComboPooledDataSource cpds = new ComboPooledDataSource();
		cpds.setDriverClass( "com.mysql.jdbc.Driver" ); //loads the jdbc driver            
		cpds.setJdbcUrl( "jdbc:mysql://localhost:3306/test" );
		cpds.setUser("root");                                  
		cpds.setPassword("123456");                                  
			
		// the settings below are optional -- c3p0 can work with defaults
		cpds.setMinPoolSize(5);                                     
		cpds.setAcquireIncrement(5);
		cpds.setMaxPoolSize(20);
			
		// The DataSource cpds is now a fully configured and usable pooled DataSource
		
		//获取连接
		Connection  conn=cpds.getConnection();
		System.out.println(conn);
		if(conn!=null){
			conn.close();
		}
	}

}