mainwindow.java

个人通讯录

import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.util.Vector;

import javax.swing.*;


public class MainWindow extends JFrame implements ActionListener{	
	private static final long serialVersionUID = 1L;
	
	BusinessObject bo;	
	
	JTextField txtNum; //编号
	JTextField txtName;//姓名	
	JComboBox comboCategory;//类别
	Object categ[] ={"请选择类别","朋友","同事","家人"}; 	
	JRadioButton rBtnMale;//男
	JRadioButton rBtnFemale;//女	
	JTextField txtTel;//联系方式	
	JTextField txtPhotoAddr;//照片路径
	JLabel lblPhotoShow;//照片	
	
    JButton btnFirst;//第一条
    JButton btnPrevious;//上一条
    JButton btnNext;//下一条
    JButton btnLast;//最后一条

    JButton btnAdd ;//增加 	
    JButton btnSave;//保存
    JButton btnExit ;//退出
    JButton btnDelete ;//删除
    JButton btnQuery;//查询
    
    JLabel lblSaved;//提示已保存的标签
    JButton btnPhoto;//浏览图片的按钮
    
    CardLayout card;
    JPanel main;
    JPasswordField passwordField;
    String password = "1234";  
    
    public MainWindow(){
    	this.setTitle("个人通讯录");
	    this.setSize(349, 380);
	    this.setLocationRelativeTo(null);//窗口居中
	    this.setResizable(false);
	    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);			
	
	    bo = new BusinessObject();
		
	    //内容面板		
	    JPanel p = new JPanel();
	    main = new JPanel();
	    card = new CardLayout();
	    main.setLayout(card);
	    p.setLayout(null);	
		
		JLabel lblNum = new JLabel("用户编号:");
		lblNum.setBounds(20, 20, 60, 25);
		p.add(lblNum);
		txtNum = new JTextField();
		txtNum.setBounds(90, 20, 100, 25);
		txtNum.setEditable(false);
		p.add(txtNum);
		
		JLabel lblName = new JLabel("姓        名:");
		lblName.setBounds(20, 55, 60, 25);
		p.add(lblName);
		txtName = new JTextField();
		txtName.setBounds(90, 55, 100, 25);
		p.add(txtName);
		
		JLabel lblCategory = new JLabel("类        别:");
		lblCategory.setBounds(20, 90, 60, 25);
		p.add(lblCategory);
		comboCategory = new JComboBox(categ);
		comboCategory.setBounds(90, 90, 100, 25);
		p.add(comboCategory);
		
		JLabel lblSex = new JLabel("性        别:");
		lblSex.setBounds(20, 125, 60, 25);
		p.add(lblSex);	
		rBtnMale = new JRadioButton("男");
		rBtnMale.setBounds(90, 125, 50, 25);
		rBtnMale.setSelected(true);
		p.add(rBtnMale);
		rBtnFemale = new JRadioButton("女");
		rBtnFemale.setBounds(150, 125, 50, 25);
		p.add(rBtnFemale);
		ButtonGroup btnGroup = new ButtonGroup();
		btnGroup.add(rBtnMale);
		btnGroup.add(rBtnFemale);
		
		JLabel lblTel = new JLabel("联系方式:");
		lblTel.setBounds(20, 160, 60, 25);
		p.add(lblTel);
		txtTel = new JTextField();
		txtTel.setBounds(90, 160, 150, 25);
		p.add(txtTel);
		
		JLabel  lblPhoto = new JLabel("照片路径:");
		lblPhoto.setBounds(20, 195, 60, 25);
		p.add(lblPhoto);
		txtPhotoAddr = new JTextField();
		txtPhotoAddr.setBounds(90, 195, 150, 25);
		p.add(txtPhotoAddr);
		
		lblPhotoShow = new JLabel("            照片");
		lblPhotoShow.setBounds(233, 20, 100, 120);
		lblPhotoShow.setBorder(BorderFactory.createLineBorder(Color.BLACK));
		p.add(lblPhotoShow);
		
		//浏览按钮面板
		JPanel panelScan = new JPanel();
		panelScan.setBounds(5, 225, 330, 60);
		panelScan.setBorder(BorderFactory.createTitledBorder("  浏览"));
		p.add(panelScan);
		
		//操作按钮面板
		JPanel panelOperation = new JPanel();
		panelOperation.setBounds(5, 285, 330, 60);
		panelOperation.setBorder(BorderFactory.createTitledBorder("  操作"));
		p.add(panelOperation);
		
		btnFirst = new JButton();
		btnFirst.setIcon(new ImageIcon("config/first.png"));
		btnFirst.setToolTipText("第一条");
		
		btnPrevious = new JButton();
		btnPrevious.setIcon(new ImageIcon("config/up.png"));
		btnPrevious.setToolTipText("上一条");
		
		btnNext = new JButton();		
		btnNext.setIcon(new ImageIcon("config/down.png"));
		btnNext.setToolTipText("下一条");
		
		btnLast = new JButton();
		btnLast.setIcon(new ImageIcon("config/last.png"));
		btnLast.setToolTipText("最后一条");		
		
		panelScan.setLayout(new FlowLayout(FlowLayout.CENTER,10,5));
		panelScan.add(btnFirst);
		panelScan.add(btnPrevious);
		panelScan.add(btnNext);
		panelScan.add(btnLast);
				
		btnAdd = new JButton();	
		btnAdd.setMnemonic('N');            //快捷键
		btnAdd.setToolTipText("增加记录(N)");//鼠标移动显示
		btnAdd.setIcon(new ImageIcon("config/new.png"));
		
		btnSave = new JButton();
		btnSave.setMnemonic('S');
		btnSave.setToolTipText("保存记录(S)");
		btnSave.setIcon(new ImageIcon("config/save.gif"));
		
		btnQuery = new JButton();
		btnQuery.setMnemonic('Q');
		btnQuery.setToolTipText("查询记录(Q)");
		btnQuery.setIcon(new ImageIcon("config/query.png"));
		
		btnExit = new JButton();
		btnExit.setMnemonic('E');
		btnExit.setToolTipText("退出(E)");
		btnExit.setIcon(new ImageIcon("config/exit.png"));
		btnExit.addActionListener(new ActionListener() {
			public void actionPerformed( ActionEvent e) {
				System.exit(0);
			}
		});
		
		btnDelete = new JButton();
		btnDelete.setMnemonic('D');
		btnDelete.setToolTipText("删除记录(D)");
		btnDelete.setIcon(new ImageIcon("config/delete.png"));
		
		
        panelOperation.setLayout(new FlowLayout(FlowLayout.CENTER,10,5));
        panelOperation.add(btnAdd);
        panelOperation.add(btnSave);
        panelOperation.add(btnDelete);
        panelOperation.add(btnQuery);
        panelOperation.add(btnExit);
        
	    
                /*
                 * 事件监听
                 */
	    btnFirst.addActionListener(this);
		btnPrevious.addActionListener(this);
		btnNext.addActionListener(this);
		btnLast.addActionListener(this);
		
		btnQuery.addActionListener(this);
		btnAdd.addActionListener(this);
		btnSave.addActionListener(this);
		btnDelete.addActionListener(this);
		/**
		       * 启动时显示第一条
		       */
		displayUserInfo(bo.first());
	        
		//保存成功标签
		lblSaved = new JLabel();
		lblSaved.setBounds(249, 163, 66, 18);
		p.add(lblSaved);
		
		btnPhoto = new JButton();		
		btnPhoto.setToolTipText("浏览");
		btnPhoto.setIcon(new ImageIcon("config/browse.png"));
		btnPhoto.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				JFileChooser fileChooser = new JFileChooser("./config");
				if(fileChooser.showOpenDialog(null) == 0){
                                    File selectedFile = fileChooser.getSelectedFile();
                                    lblPhotoShow.setIcon(new ImageIcon(selectedFile.getAbsolutePath()));
                                    txtPhotoAddr.setText(selectedFile.getAbsolutePath());
				}
			}
		});
		btnPhoto.setBounds(246, 193, 74, 28);
		p.add(btnPhoto);
		
		main.add("welcome",welcomePane());
		main.add("main",p);
		this.getContentPane().add(main);
        this.setVisible(true);       
	}
  class innerListener implements ActionListener
  {
  	public void actionPerformed(ActionEvent e)
		  {
			  String pw = new String(passwordField.getPassword());			 
			  if(pw.equals(password))
				  MainWindow.this.card.show(MainWindow.this.main, "main");
			  else
				  JOptionPane.showMessageDialog(MainWindow.this, "    密码错误!");
		  }
  }
  private JPanel welcomePane()
  {
	  JPanel pane = new JPanel();
	  JButton btnLogin = new JButton("进入");	  
	  pane.setLayout(null);
	  
	  JLabel label2 = new JLabel("个人通讯录");
	  label2.setFont(new Font("华文行楷", Font.BOLD, 48));
	  label2.setBounds(45, 10, 280, 50);
	  pane.add(label2);
	  
	  JLabel label = new JLabel(new ImageIcon("config/card_bg_13.jpg"));
	  label.setBounds(0, 55, 349, 230);
	  pane.add(label);
	  
	  JLabel lbpswd = new JLabel("密码");
	  lbpswd.setBounds(80, 300, 30, 25);
	  pane.add(lbpswd);
	  
	  passwordField = new JPasswordField(8);
	  passwordField.setBounds(115, 300, 70, 25);
	  pane.add(passwordField);
	  passwordField.setEchoChar('*');
	  innerListener l = new innerListener();	  
	  btnLogin.addActionListener(l);
	  
	  btnLogin.setBounds(190, 300, 70, 25);
	  pane.add(btnLogin); 	  
	  return pane;
}
  
	public static void main(String[] args){
		new MainWindow();
		
	}
	
	/**
	  * 显示用户信息
	  */
	public  int displayUserInfo(User user){
                txtNum.setText(""+user.getNo());
                txtName.setText(user.getName());
                comboCategory.setSelectedItem(user.getCategory());
                if(user.getSex().equals("M")){
                        rBtnMale.setSelected(true);
                }else if(user.getSex().equals("F")){
                        rBtnFemale.setSelected(true);
                }
                txtTel.setText(user.getPhone());
                txtPhotoAddr.setText(user.getImagePath());
                lblPhotoShow.setIcon(new ImageIcon(user.getImagePath()));
                return bo.proutil.getUsers().indexOf(user);
                
	}
	
	/**
	   * 事件实现
	   */
	public void actionPerformed(ActionEvent e) {
		lblSaved.setText("");		
		if(e.getSource() == btnFirst){	
			displayUserInfo(bo.first());
		}else if(e.getSource() == btnPrevious){
			displayUserInfo(bo.previous());
		}else if(e.getSource() == btnNext){
			displayUserInfo(bo.next());
		}else if(e.getSource() == btnLast){
			displayUserInfo(bo.last());
		}else if(e.getSource() == btnAdd){		
			txtNum.setText(""+(bo.proutil.getUsers().lastElement().getNo()+1));
			txtName.setText("");
			comboCategory.setSelectedItem(categ[0]);
			rBtnMale.setSelected(true);
			txtTel.setText("");
			txtPhotoAddr.setText("");
			lblPhotoShow.setIcon(null);
		}else if(e.getSource() == btnSave){
			if(txtNum.getText() != null && !txtName.getText().equals("") && !txtTel.getText().equals("")){		
                                User u =  new User();
                                u.setNo(Integer.parseInt(txtNum.getText()));
                                u.setName(txtName.getText());
                                
                                u.setCategory(comboCategory.getSelectedItem().toString());
                                if(rBtnMale.isSelected()){
                                        u.setSex("M");
                                }else{
                                        u.setSex("F");
                                }
                                u.setPhone(txtTel.getText());                                
                                u.setImagePath(txtPhotoAddr.getText());                            
                                bo.saveUser(u);
                                lblSaved.setText("保存成功");
			}
			else
				JOptionPane.showMessageDialog(this,"     请填入完整信息，不能为空!","错误",
						JOptionPane.INFORMATION_MESSAGE);
		}
		else if(e.getSource() == btnDelete){	
			if(bo.currentPos == 0 && bo.proutil.getUsers().size() == 1)//只有一个用户时
			{
				User u = bo.proutil.getUsers().get(0);
				u.setNo(1);
				u.setName("输入用户名");
				u.setCategory("请选择类别");
				u.setSex("M");
				u.setPhone("请输入电话号码");
				u.setImagePath("输入图片路径");
				bo.deleteUser(0);
				displayUserInfo(u);
				bo.saveUser(u);
				if(bo.proutil.getUsers().get(0).getNo() == 1)		
				{
					JOptionPane.showMessageDialog(this, "     记录已全部删除！");
				}
				return;
			}		
			else if(bo.currentPos == 0 && bo.proutil.getUsers().size() > 1)//不止一个用户，删除第一个时
			{
				bo.deleteUser(0);
				displayUserInfo(bo.proutil.getUsers().firstElement());
				return;
			}				
			bo.deleteUser(displayUserInfo(bo.previous())+1);
		}	
		else if(e.getSource() == btnQuery)
		{
			String name = JOptionPane.showInputDialog(this,"请输入姓名");
			Vector<User> users = bo.proutil.getUsers();
			for(int i = 0; i < users.size(); i++)
			{
				User u = users.get(i);
				if(u.getName().equals(name))
				{
					displayUserInfo(u);					
					return;
				}
			}
			JOptionPane.showMessageDialog(this, "你所查询的用户不存在！");
		}
	}
}