logindialog.java~1~

1． 消息即时通信 2． 消息发送实现一对一、一对多等多种发送模式 3． 发送的消息实现多彩文本编辑

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
public class LoginDialog extends JDialog implements ActionListener {
  JPanel jpanel;
  JButton loginButton;
  JButton cancelButton;
  JTextField nameTextField;
  JPasswordField pdField;
  JLabel nameLabel;
  JLabel pdLabel;
  JLabel infoLabel;
  boolean isConnection=false;//判断是否连接参数
  String name;
  String pd;
  Socket socket;
  public LoginDialog() {
    jpanel=new JPanel();
    loginButton=new JButton("登陆");
    cancelButton=new JButton("取消");
    nameTextField=new JTextField(10);
    pdField=new JPasswordField(10);
    nameLabel=new JLabel("用户名",JLabel.CENTER);
    pdLabel=new JLabel("密码",JLabel.CENTER);
    infoLabel=new JLabel("信息",JLabel.LEFT);
    setSize(200,140);
    this.setResizable(false);
    this.setTitle("登陆对话框");
    Container con=getContentPane();
    con.setLayout(new BorderLayout());
    jpanel.setLayout(new GridLayout(3,2));
    jpanel.add(nameLabel);
    jpanel.add(nameTextField);
    jpanel.add(pdLabel);
    jpanel.add(pdLabel);
    jpanel.add(pdField);
    jpanel.add(loginButton);
    jpanel.add(cancelButton);
    con.add(jpanel,"North");
    con.add(infoLabel,"South");
    loginButton.addActionListener(this);
    cancelButton.addActionListener(this);
    /*addWindowListener(new WindowAdapter(){
      public void windowClosing(WindowEvent e){
      System.exit(0);
      }});*/
  }
  public void actionPerformed(ActionEvent e){
    if(e.getSource()==loginButton){

    }
    else if(e.getSource()==cancelButton){
      System.exit(0);
    }
  }
  public String getName(){
    return name;
  }
  public void setName(String name){
    this.name=name;
  }
  public boolean isConnection(){
    return isConnection;
  }
  public static void main(String[] args) {
    LoginDialog loginDialog = new LoginDialog();
    loginDialog.setVisible(true);
  }
}