Java Oracle 链接数据库

连接数据库

//服务类
private Connection conn = null; 
	public NetDealer_Service（）{ 
		conn = com.zse.connector.OracleConnector.getconn（）; 
	}
//数据库类
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";//自己的数据库名称
 String password = "495";//数据库密码
 conn = DriverManager.getConnection(url, user, password);
 if(conn != null){
 System.out.println("连接成功");
 }
 }catch (Exception e) {
 System.out.println("连接失败");
 }
 return conn;
 }
}