private String databaseip="192.168.1.66";//数据库的ip
  private String databasepose="1521";//数据库的端口
  private String databasename="xky";//全局数据库的名字
  private String url = "jdbc:oracle:thin:@"+databaseip+":"+databasepose+":"+databasename;
  public conoracle() {
    try {
      jbInit();
        Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
        conn = DriverManager.getConnection(url,username,password);
        stmt = conn.createStatement ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE);
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }