login.java

本系统充分利用了Java语言的平台无关性等众多优点

package cilent;


import wodqq.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.*;
import java.io.*;
import javax.swing.border.*;
import cilent.MainWin;
import cilent.Register;

import javax.swing.border.*;

public class Login
    extends JFrame { //登录窗口类
  JPanel contentPane;
//*****************
  String server; //服务器名
  int serport; //端口
  private Socket socket;
  private BufferedReader in; //输入输出流
  private PrintWriter out;
//***********//程序界面
  JPanel jPanel1 = new JPanel();
  JLabel jLabel2 = new JLabel();
  JTextField jicq = new JTextField();
  JLabel jLabel3 = new JLabel();
  JPasswordField password = new JPasswordField();
  JPanel jPanel2 = new JPanel();
  ImageIcon img1 = new ImageIcon("src/img/login.png");
  ImageIcon img2 = new ImageIcon("src/img/newuser.png");
  ImageIcon img3 = new ImageIcon("src/img/quit.png");
  BackGroundButton login = new BackGroundButton(img1);
  BackGroundButton newuser = new BackGroundButton(img2);
  BackGroundButton quit = new BackGroundButton(img3);
  JLabel jLabel6 = new JLabel();
  JTextField servername = new JTextField();
  JLabel jLabel7 = new JLabel();
  JTextField serverport = new JTextField();
  Border border1;
  Border border2;
  ImageIcon img = new ImageIcon("src/img/head.png");
  BackGroundPanel jPanel3 = new BackGroundPanel(img);
  Border border3;
  //构造方法
  public Login() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
      server = servername.getText().toString().trim();
      serport = Integer.parseInt(serverport.getText().trim());
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    contentPane = (JPanel)this.getContentPane();
    border1 = BorderFactory.createLineBorder(new Color(94, 244, 255), 1);
    border2 = BorderFactory.createLineBorder(new Color(81, 181, 255), 1);
    contentPane.setLayout(null);
    this.setResizable(false);
    this.setSize(new Dimension(321, 237));
    this.setTitle("QQ用户登陆");
    //contentPane.add(text, null);
    jPanel1.setBackground(new Color(156, 225, 255));
    jPanel1.setBorder(border2);
    jPanel1.setBounds(new Rectangle(3, 49, 310, 113));
    jPanel1.setLayout(null);
    jLabel2.setFont(new java.awt.Font("DialogInput", 0, 12));
    jLabel2.setText("QQ号码 ");
    jLabel2.setBounds(new Rectangle(10, 22, 58, 18));
    jicq.setBorder(border2);
    jicq.setBounds(new Rectangle(69, 21, 144, 22));
    jLabel3.setFont(new java.awt.Font("DialogInput", 0, 12));
    jLabel3.setText("QQ密码");
    jLabel3.setBounds(new Rectangle(12, 61, 56, 18));
    password.setBorder(border2);
    password.setBounds(new Rectangle(68, 60, 141, 22));
    jPanel2.setBackground(new Color(156, 225, 255));
    jPanel2.setBounds(new Rectangle(2, 164, 315, 58));
    jPanel2.setLayout(null);
    login.setText("登录");
    login.setBackground(new Color(156, 225, 255));
    login.setBounds(new Rectangle(136, 3, 75, 21));

    login.setBorder(null);
    login.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        login_mouseClicked(e);
      }
    });
    newuser.setText("注册");
    newuser.setBackground(new Color(156, 225, 255));
    newuser.setBounds(new Rectangle(218, 20, 60, 21));
    newuser.setBorder(null);
    newuser.setPressedIcon(new ImageIcon(new java.net.URL(
        "file:///D:/jbuilder/bin/myQQ/src/img/newuser.png")));
    newuser.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        newuser_mouseClicked(e);
      }
    });
    quit.setText("退出");
    quit.setBackground(new Color(156, 225, 255));
    quit.setBounds(new Rectangle(216, 3, 79, 21));
    quit.setBorder(null);
    quit.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        quit_mouseClicked(e);
      }
    });
   jLabel6.setFont(new java.awt.Font("DialogInput", 0, 12));
    jLabel6.setText("服务器");
    jLabel6.setBounds(new Rectangle(18, 279, 41, 18));
   servername.setText("0.0.0.0");
   servername.setBounds(new Rectangle(64, 277, 43, 22));
    jLabel7.setFont(new java.awt.Font("DialogInput", 0, 12));
    jLabel7.setText("端口");
   jLabel7.setBounds(new Rectangle(25, 240, 34, 18));
   serverport.setText("8080");
   serverport.setBounds(new Rectangle(86, 241, 35, 22));
    contentPane.setBackground(new Color(156, 225, 255));
    jPanel3.setBackground(new Color(156, 225, 255));
    jPanel3.setBounds(new Rectangle(0, 0, 316, 49));
    jPanel1.add(jicq, null);
    jPanel1.add(jLabel2, null);
    jPanel1.add(newuser, null);
    jPanel1.add(password, null);
    jPanel1.add(jLabel3, null);
    contentPane.add(serverport, null);
    contentPane.add(jLabel7, null);
    contentPane.add(jLabel6, null);
    contentPane.add(servername, null);
    contentPane.add(jPanel2, null);
    jPanel2.add(login, null);
    jPanel2.add(quit, null);
    contentPane.add(jPanel3, null);
    contentPane.add(jPanel1, null);
  }

  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  public static void main(String[] args) { //主程序
    Login f = new Login();
    f.setVisible(true);

  }

  void login_mouseClicked(MouseEvent e) { //登录按扭

    try {
      Socket socket = new Socket(InetAddress.getByName(server), serport); //连接服务器

      BufferedReader in = new BufferedReader(new InputStreamReader(socket.
          getInputStream()));
      PrintWriter out = new PrintWriter(new BufferedWriter(
          new OutputStreamWriter(socket.getOutputStream())), true);
      out.println("login"); //告诉服务器我要登录
      out.println(jicq.getText());
      out.println(password.getPassword());

      String str = " ";
      //do{
      str = in.readLine().trim(); //从服务器读取消息
      //如果失败就告诉出错
      if (str.equals("false"))
        JOptionPane.showMessageDialog(this, "对不起，出错了", "ok",
                                      JOptionPane.INFORMATION_MESSAGE);
      else { //如果成功就打开主程序
        this.dispose();
        int g = Integer.parseInt(jicq.getText());
        MainWin f2=new MainWin(g,server,serport);
         f2.setVisible(true);
      }

      //System.out.println("\n");
      //}while(!str.equals("ok"));
    }
    catch (IOException e1) {}
  }

  void newuser_mouseClicked(MouseEvent e) { //新建用户按纽
    this.dispose();
    JDialog d = new Register(server, serport); //打开新建窗口
    d.pack();
    d.setLocationRelativeTo(this);
    d.setSize(400, 400);
    d.show();
  }

  void quit_mouseClicked(MouseEvent e) { //关闭按扭
    this.dispose();
    System.exit(0);
  }

}