// -------------------------------------------------------------------------------- // Name: Paint // Abstract: Override the paint event to draw grid marks // -------------------------------------------------------------------------------- public void paint(Graphics g) { super.paint(g); try { // CUtilities.DrawGridMarks( this, g ); } catch (Exception excError) { // Display error message CUtilities.WriteLog(excError); } }
public void login() { String driver = "oracle.jdbc.driver.OracleDriver"; String url = "jdbc:oracle:thin:@localhost:1521:orcl"; Connection con = null; Statement stmt = null; ResultSet rs = null; String id, pw, sql; try { Class.forName(driver); con = DriverManager.getConnection(url, "hr", "hr"); stmt = con.createStatement(); sql = "select * from chatuser where id = '" + lid.getText() + "'"; rs = stmt.executeQuery(sql); if (rs.next()) { pw = rs.getString(2); nick = rs.getString(3); if (lpw.getText().equals(pw)) { jd.setVisible(false); setVisible(true); } else { lpw.setText("일치하지 않습니다."); } } else { lid.setText("일치하지 않습니다."); } } catch (Exception e1) { e1.printStackTrace(); System.out.println("데이터 베이스 연결 실패!!"); } finally { try { if (rs != null) rs.close(); if (stmt != null) stmt.close(); if (con != null) con.close(); } catch (Exception e1) { System.out.println(e1.getMessage()); } } }
public EchoAWT() throws UnknownHostException { super("채팅 프로그램"); // 각종 정의 h = new JPanel(new GridLayout(2, 3)); m = new JPanel(new BorderLayout()); f = new JPanel(new BorderLayout()); s = new JPanel(new BorderLayout()); login = new JPanel(new BorderLayout()); // name = new JLabel(" 사용자 이름 "); name = new JLabel(" 메세지 입력 "); jta = new JTextArea(); // clientList = new JTextArea(0, 10); clientList = new JList(); jsp = new JScrollPane(jta); list = new JScrollPane(clientList); jtf = new JTextField("입력하세요."); hi = new JTextField("HOST IP 입력"); pi = new JTextField("PORT 입력"); localport = new JTextField("원하는 PORT 입력"); lid = new JTextField("ID를 입력하세요."); lpw = new JTextField("PW를 입력하세요."); serveropen = new JButton("서버 오픈"); textin = new JButton("입력"); clientin = new JButton("서버 접속"); conf = new JButton("로그인"); join = new JButton("회원가입"); addr = InetAddress.getLocalHost(); // 사용자 해상도 및 창 크기 설정 및 가져오기. Toolkit tk = Toolkit.getDefaultToolkit(); Dimension screenSize = tk.getScreenSize(); setSize(500, 500); Dimension d = getSize(); // 각종 버튼 및 텍스트 필드 리스너 jtf.addActionListener(this); hi.addActionListener(this); pi.addActionListener(this); localport.addActionListener(this); lid.addActionListener(this); lpw.addActionListener(this); conf.addActionListener(this); join.addActionListener(this); serveropen.addActionListener(this); clientin.addActionListener(this); textin.addActionListener(this); jtf.addFocusListener(this); hi.addFocusListener(this); pi.addFocusListener(this); localport.addFocusListener(this); lid.addFocusListener(this); lpw.addFocusListener(this); // 서버 접속 h.add(hi); h.add(pi); h.add(clientin); // 서버 생성 h.add(new JLabel("IP : " + addr.getHostAddress(), (int) CENTER_ALIGNMENT)); h.add(localport); h.add(serveropen); // 채팅글창 글 작성 막기 jta.setEditable(false); // 접속자 리스트 width 제한 clientList.setFixedCellWidth(d.width / 3); // 입력 창 f.add(name, "West"); f.add(jtf, "Center"); f.add(textin, "East"); // 접속자 확인창 s.add(new JLabel("접속자", (int) CENTER_ALIGNMENT), "North"); s.add(list, "Center"); // clientList.setEditable(false); // 메인 창 m.add(jsp, "Center"); m.add(s, "East"); // 프레임 설정 add(h, "North"); add(m, "Center"); add(f, "South"); // 로그인 다이얼로그 jd = new JDialog(); jd.setTitle("채팅 로그인"); jd.add(login); jd.setSize(200, 200); Dimension dd = jd.getSize(); jd.setLocation(screenSize.width / 2 - (dd.width / 2), screenSize.height / 2 - (dd.height / 2)); jd.setVisible(true); // 로그인창 JPanel lm = new JPanel(new GridLayout(4, 1)); lm.add(lid); lm.add(new Label()); lm.add(lpw); lm.add(new Label()); JPanel bt = new JPanel(); bt.add(conf); bt.add(join); login.add(new Label(), "North"); login.add(new Label(), "West"); login.add(new Label(), "East"); login.add(lm, "Center"); login.add(bt, "South"); // 창의 위치, 보임, EXIT 단추 활성화. setLocation(screenSize.width / 2 - (d.width / 2), screenSize.height / 2 - (d.height / 2)); setVisible(false); setDefaultCloseOperation(EXIT_ON_CLOSE); }
public void ServerOpen() { jd.setSize(100, 100); portin = Integer.parseInt(localport.getText()); server = new ChatServer(portin); }