public class OracleConn {
public static Connection getConn() {
Connection conn = null;
  try {
   
  Class.forName("oracle:jdbc.driver.OracleDriver");
 String url = "jdbc:oracle:thin:@localhost:1521:数据库SID";
 String user ="数据库用户名";
 String password = "数据密码";
   conn = DriverManager.getConnection(url, user, password);
} catch (ClassNotFoundException e) {
   // TODO 自动生成 catch 块
   e.printStackTrace();
  } catch (SQLException e) {
   // TODO 自动生成 catch 块
   e.printStackTrace();
  }
return conn;
}
//关闭连接
 public static void tryClose(ResultSet set, Statement stat, Connection conn) {
  if (set != null) {
   try {
    set.close();
   } catch (SQLException e) {
    // TODO 自动生成 catch 块
    e.printStackTrace();
    set = null;
   }
}
  if (stat != null) {
   try {
    stat.close();
   } catch (SQLException e) {
    // TODO 自动生成 catch 块
    e.printStackTrace();
    stat = null;
   }
  }
  if (conn != null) {
   try {
    conn.close();
   } catch (SQLException e) {
    // TODO 自动生成 catch 块
    e.printStackTrace();
    conn = null;
   }
  }
 }
//测试连接
 public static boolean testConn() {
  boolean isConn = false;
  Connection conn = null;
  try {
   Class.forName(ConfigBean.getForName());
   String url = ConfigBean.getUrl();
   String user = ConfigBean.getUser();
   String password = ConfigBean.getPwd();
   conn = DriverManager.getConnection(url, user, password);
   isConn = true;
   conn.close();
} catch (ClassNotFoundException e) {
   // TODO 自动生成 catch 块
   e.printStackTrace();
} catch (SQLException e) {
   // TODO 自动生成 catch 块
   isConn = false;
   e.printStackTrace();
  }
  return isConn;
}
}