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());
    }

}