个回答

• 慕妹7448193

  2015-12-29 18:07:38

  已采纳

  import java.sql.*;

  
  

  public class ConnectDB{

  private String url="jdbc:mysql://localhost:3306/lmos";

  private String userName="root";

  private String password="root";

  private String jdbcName = "com.mysql.jdbc.Driver";

  public  Connection getCon() throws Exception {

  Class.forName(jdbcName);

  Connection con = DriverManager.getConnection(url,userName,password);

  return con;

  }

  public void closeCon(Connection con)throws Exception{

  if(con!=null)con.close();

  }

  
  

  }

  
  

  0