java在線聊天項目1.2版 ——開啟多個客戶端，分別實現數據庫註冊和登錄功能後，成功登陸則登錄框消失，好友列表窗出現
阿新 • • 發佈：2017-12-21
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登錄框消失語句
dispose();
好友列表窗出現
使用new FriendsFrame(phone,s);
登陸對話框代碼修改如下：
package com.swift.frame; import java.awt.EventQueue; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.DataInputStream;import java.io.DataOutputStream; import java.io.IOException; import java.net.ConnectException; import java.net.Socket; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JTextField;import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.border.TitledBorder; import com.swift.util.Center; public class LoginDialog extends JDialog { private static final long serialVersionUID = 1L; private JPasswordField passwordField_2; privateJPasswordField passwordField_1; private JTextField textField_2; private JTextField textField; String request = null; String response = null; Socket s; DataOutputStream dos; DataInputStream dis; public static void main(String args[]) { JFrame.setDefaultLookAndFeelDecorated(true); JDialog.setDefaultLookAndFeelDecorated(true); try { UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel"); } catch (ClassNotFoundException e1) { e1.printStackTrace(); } catch (InstantiationException e1) { e1.printStackTrace(); } catch (IllegalAccessException e1) { e1.printStackTrace(); } catch (UnsupportedLookAndFeelException e1) { e1.printStackTrace(); } EventQueue.invokeLater(new Runnable() { public void run() { try { LoginDialog dialog = new LoginDialog(); dialog.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); dialog.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } public LoginDialog() { super(); setResizable(false); setTitle("在線聊天登錄框"); getContentPane().setLayout(null); setBounds(100, 100, 427, 301);// 註冊時高度為578，不註冊是301 // 設置窗口居中 this.setLocation(Center.getPoint(this.getSize())); final JTextField textField_1 = new JTextField(); textField_1.setBounds(148, 90, 192, 42); getContentPane().add(textField_1); final JLabel label = new JLabel(); label.setText("帳 號"); label.setBounds(76, 102, 66, 18); getContentPane().add(label); final JLabel label_1 = new JLabel(); label_1.setText("密 碼"); label_1.setBounds(76, 167, 66, 18); getContentPane().add(label_1); final JPasswordField passwordField = new JPasswordField(); passwordField.setBounds(148, 155, 192, 42); getContentPane().add(passwordField); final JButton button_1 = new JButton(); button_1.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { String phone = new String(textField_1.getText()).trim(); String password = new String(passwordField.getPassword()).trim(); if (!phone.equals("") && !password.equals("")) { try { request = "login"; dos.writeUTF(request); response = dis.readUTF(); if (response.equals("login")) { dos.writeUTF(phone); dos.writeUTF(password); String flag=dis.readUTF(); if(flag.equals("success")) { javax.swing.JOptionPane.showMessageDialog(LoginDialog.this, "登錄成功"); //登陸窗消失 LoginDialog.this.dispose(); //好友列表窗出現 new FriendsFrame(phone,s); }else if(flag.equals("fail")) { javax.swing.JOptionPane.showMessageDialog(LoginDialog.this, "登錄失敗"); } } } catch (IOException e1) { e1.printStackTrace(); } } else { javax.swing.JOptionPane.showMessageDialog(LoginDialog.this, "用戶名密碼必須填寫..."); return; } } }); button_1.setText("登錄"); button_1.setBounds(230, 222, 106, 36); getContentPane().add(button_1); final JButton button = new JButton(); button.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { if (LoginDialog.this.getHeight() == 301) { LoginDialog.this.setSize(427, 578); } else { LoginDialog.this.setSize(427, 301); } // 設置窗口不斷居中 LoginDialog.this.setLocation(Center.getPoint(LoginDialog.this.getSize())); } }); button.setText("註冊"); button.setBounds(76, 222, 106, 36); getContentPane().add(button); final JPanel panel = new JPanel(); panel.setLayout(null); panel.setBorder(new TitledBorder(null, "註冊用戶", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, null)); panel.setBounds(10, 278, 401, 226); getContentPane().add(panel); final JLabel label_2 = new JLabel(); label_2.setBounds(44, 41, 65, 18); label_2.setText("手機號："); panel.add(label_2); textField = new JTextField(); textField.setBounds(115, 35, 225, 30); panel.add(textField); final JButton button_2 = new JButton(); button_2.setText("發送驗證"); button_2.setBounds(243, 75, 97, 30); panel.add(button_2); textField_2 = new JTextField(); textField_2.setBounds(115, 104, 95, 30); panel.add(textField_2); final JLabel label_3 = new JLabel(); label_3.setText("驗證碼："); label_3.setBounds(44, 110, 65, 18); panel.add(label_3); passwordField_1 = new JPasswordField(); passwordField_1.setBounds(115, 143, 231, 30); panel.add(passwordField_1); passwordField_2 = new JPasswordField(); passwordField_2.setBounds(115, 175, 231, 30); panel.add(passwordField_2); final JLabel label_4 = new JLabel(); label_4.setText("密 碼："); label_4.setBounds(44, 149, 65, 18); panel.add(label_4); final JLabel label_5 = new JLabel(); label_5.setText("驗證密碼："); label_5.setBounds(44, 181, 65, 18); panel.add(label_5); final JButton button_3 = new JButton(); button_3.setBounds(47, 510, 97, 30); getContentPane().add(button_3); button_3.setText("放棄"); final JButton button_4 = new JButton(); button_4.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { String phone = textField.getText(); String password = null; String str1 = new String(passwordField_1.getPassword()).trim(); String str2 = new String(passwordField_2.getPassword()).trim(); if (!phone.equals("") && !str1.equals("") && !str2.equals("")) { if (str1.equals(str2)) { password = new String(passwordField_2.getPassword()).trim(); try { request = "reg"; dos.writeUTF(request); String response = dis.readUTF(); if (response.equals("reg")) { dos.writeUTF(phone); dos.writeUTF(password); } javax.swing.JOptionPane.showMessageDialog(LoginDialog.this, "註冊成功..."); } catch (IOException e1) { e1.printStackTrace(); } } else { javax.swing.JOptionPane.showMessageDialog(LoginDialog.this, "輸入密碼不一致..."); System.out.println("輸入密碼不一致..."); passwordField_1.setText(""); passwordField_2.setText(""); } } else { javax.swing.JOptionPane.showMessageDialog(LoginDialog.this, "用戶名密碼必須填寫..."); return; } } }); button_4.setBounds(262, 510, 97, 30); getContentPane().add(button_4); button_4.setText("註冊用戶"); connect(); this.addWindowListener(new WindowAdapter() { @Override public void windowClosed(WindowEvent e) { disconnect(); } }); } public void connect() { try { s = new Socket("127.0.0.1", 8888);//以本機做server System.out.println("一個客戶端登陸中....!"); dos = new DataOutputStream(s.getOutputStream()); dis = new DataInputStream(s.getInputStream()); } catch (ConnectException e) { System.out.println("服務端異常........."); System.out.println("請確認服務端是否開啟........."); } catch (IOException e) { e.printStackTrace(); } } public void disconnect() { try { if (dos != null) dos.close(); if (s != null) s.close(); } catch (IOException e) { e.printStackTrace(); } } }
java在線聊天項目1.2版 ——開啟多個客戶端，分別實現數據庫註冊和登錄功能後，成功登陸則登錄框消失，好友列表窗出現