工厂方法配置jdbc连接

package 配置方式.dbUtils;



import java.io.InputStream;

import java.sql.Connection;

import java.sql.DriverManager;

import java.util.Properties;



public class Connection2 {

    // 声明静态con

    private static Connection con;



    static {

        try {

            // 声明一个资源文件

            Properties pro = new Properties();

            // 载入

            InputStream in = Connection2.class

                    .getResourceAsStream("jdbc.properties");



            pro.load(in);

            // 获取对应值

            String driver = pro.getProperty("driver");

            String url = pro.getProperty("url");

            String name = pro.getProperty("username");

            String pwd = pro.getProperty("password");

            Class.forName(driver);

            con = DriverManager.getConnection(url, name, pwd);



            



        } catch (Exception e) {



            

        }



    }



    private Connection2() {

    }



    public static Connection GetCon() {

        return con;



    }



    public static void main(String[] args) {

        System.err.println(Connection2.GetCon());

    }



}