测试数据库连接

public static void main(String args[]){  
        String url = "jdbc:mysql://localhost:3306/beginssm";  
        String driver = "com.mysql.jdbc.Driver";  
        try{  
            Class.forName(driver);  
        }catch(Exception e){  
            System.out.println("无法加载驱动");  
        }  
        try {  
            Connection con = DriverManager.getConnection(url,"root","123456");  
            if(!con.isClosed())  
                System.out.println("success");  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }