連線資料庫

//服務類
private Connection conn = null; 
	public NetDealer_Service（）{ 
		conn = com.zse.connector.OracleConnector.getconn（）; 
	}
//資料庫類
public class OracleConnector {
 private static Connection conn = null;
 private OracleConnector(){}
 public static Connection getconn(){
 try{
 Class.forName("oracle.jdbc.driver.OracleDriver");
 
 
String url = "jdbc:oracle:thin:@127.0.0.1:1521:xe";
 String user = "mysystem";//自己的資料庫名稱
 String password = "495";//資料庫密碼
 conn = DriverManager.getConnection(url, user, password);
 if(conn != null){
 System.out.println("連線成功");
 }
 }catch (Exception e) {
 System.out.println("連線失敗");
 }
 return conn;
 }
}