java连接mysql 数据库方式


 String driver = "com.mysql.jdbc.Driver";

 String url = "jdbc:mysql://10.27.0.110:3306/health data";//health data为连接的数据库名

 Connection con = null;

 ResultSet res = null;

 String username="xuxiaoying";

 String password="123456";

 public DBhelper() {

  // TODO Auto-generated constructor stub

  

  try {

   // 加载MySql的驱动类

   Class.forName(driver);

  } catch (ClassNotFoundException e) {

   System.out.println("找不到驱动程序类  ，加载驱动失败！");

   e.printStackTrace();

  }

  try {

    con= DriverManager.getConnection(url, username,password);

   System.out.println("数据库连接成功！");

  } catch (SQLException se) {

   System.out.println("数据库连接失败！");

   se.printStackTrace();

  }

 }