test3.java

创建中间企业对象层

/**
 ************************************************************
 * The VML Report
 *
 *
 *
 ************************************************************
 * @author duke
 * @version 1.2
 * @date 2004-8-10 14:37
 */

package com.kyle.eobject;

import java.io.*;
import java.util.Date;
import java.sql.*;

public class Test3
{
	public Test3() throws Exception
	{
	}

	public void go(String sql) throws Exception
	{
		Connection conn = DBUtils.getConnection();
		Statement stam = conn.createStatement();
		stam.execute(sql);
		stam.close();
		DBUtils.freeConnection(conn);
	}

	public static void main(String args[]) throws Exception
	{
		System.out.println("sss");
		Test3 t = new Test3();
		t.go("select * from users");
		
		/*
		DBConnectionManager dbm = DBConnectionManager.getInstance();
		long d1,d2;
		for(int i=0;i<5;i++)
		{
			d1 =new Date().getTime();
			Connection conn = dbm.getConnection("sqltest");
			Statement stam = conn.createStatement();
			stam.close();
			dbm.freeConnection("sqltest",conn);
			d2 =new Date().getTime();
			System.out.println("Time at ("+i+") is: " + (d2-d1));
		}
		*/
	}
}