1 import java.awt.*;
2 import javax.swing.*;
3 import javax.swing.JFrame;
4 import java.awt.event.WindowListener;
5 import java.awt.event.WindowEvent;
6 import java.awt.event.WindowAdapter;
7 import java.awt.event.ActionListener;
8 import java.awt.event.ActionEvent;
9 import java.awt.event.MouseListener;
10 import java.awt.event.MouseAdapter;
11 import java.awt.event.MouseEvent;
12 import java.awt.Desktop;
13 import java.awt.Cursor;
14
15 public class LinkLabel extends JLabel implements MouseListener
16 {
17 protected String text;
18 protected boolean isSupported;
19 protected JFrame parent = null;
20 public LinkLabel(String text, JFrame parent) //方法
21 {
22 this.text = text; //局部变量传递值给成员变量
23 this.parent = parent;
24 try
25 {
26 this.isSupported = Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE);
27 } catch (Exception e)
28 {
29 this.isSupported = false;
30 }
31 setText(false);
32 addMouseListener(this);
33 }
34 private void setText(boolean b) //设置LinkLable的文本颜色
35 {
36 if (b)
37 setText("<html><font color=red><u>" + text);
38 else
39 setText("<html><font color=blue><u>" + text);
40 }
41 public void mouseEntered(MouseEvent e)
42 {
43 setText(isSupported);
44 if (isSupported)
45 setCursor(new Cursor(Cursor.HAND_CURSOR)); //光标变成手型
46 }
47 public void mouseExited(MouseEvent e)
48 {
49 setText(false);
50 }
51 public void mouseReleased(MouseEvent e)
52 {
53
54 }
55 public void mousePressed(MouseEvent e)
56 {
57
58 }
59 public void mouseClicked(MouseEvent e)
60 {
61 }
62 }
63
64 class FixFrame extends JFrame
65 {
66 this.setResizable(false);
67 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
68 }
69 class ResizableFrame extends JFrame
70 {
71 this.setResizable(true);
72 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
73 }
74 class LoginFrame extends FixFrame
75 {
76 LoginFrame() //构造函数
77 {
78 display();//调用display()函数
79 }
80 private JButton btn1;
81 private JButton btn2;
82 private JTextField jtf1;
83 private JPasswordField jpf1; //密码文本
84 private ImageIcon img1;
85 private JLabel background1;
86 private ImageIcon img2;
87 private JLabel background2;
88 private JLabel lab1;
89 private Font fnt;
90 private JLabel lab2;
91 private Image im1;
92 private ImageIcon im2;
93 private MyListener ltn;
94 private BtnAction act;
95 private BtnAction2 act2;
96 class MyListener extends WindowAdapter //适配器 是扩展 不需要覆盖WindowAdapter中的所有方法 功能代码较多
97 {
98 public void windowClosing(WindowEvent e)
99 {
100 System.out.println("windowClosing");
101 int res = JOptionPane.showConfirmDialog(null,"是否退出程序应用","提示", JOptionPane.YES_NO_OPTION); //弹出消息框
102 System.out.println("res =" + res);
103 if(res == 0)
104 {
105 System.out.println("退出");
106 System.exit(1);// 退出
107 System.out.println("退出1"); //不输出 因为exit先执行
108 }
109 else if(res == 1)
110 {
111 System.out.println("不退出");
112 setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
113 //System.exit(1);// 退出
114 // 不退出
115 }
116 }
117 }
118 class BtnAction implements ActionListener //btn事件
119 {
120 public void actionPerformed(ActionEvent e)
121 {
122 System.out.println("actionPerformed");
123 if(jtf1.getText().equals("jk") && jpf1.getText().equals("jk"))
124 {
125 System.out.println("OK");
126 dispose();
127 (new JFrame("主窗口")).setVisible(true);
128 }
129 else
130 {
131 System.out.println("Error");
132 JOptionPane.showConfirmDialog(null,"密码错误","提示", JOptionPane.DEFAULT_OPTION);
133 }
134 }
135 }
136 class BtnAction2 implements ActionListener //内部类
137 {
138 public void actionPerformed(ActionEvent e)
139 {
140 Object o = e.getSource();
141 JButton b = (JButton)o; //强制类型转换
142 System.out.println("芝麻开门" + btn2.getText()); //类的成员/函数，可以在内部类中使用
143
144 if(b == btn2) //b.getSource == "重置"
145 {
146 jtf1.setText("");
147 jpf1.setText("");
148 }
149 }
150 }
151 public void display()
152 {
153 //JFrame frm = new JFrame(); //窗体
154 img1 = new ImageIcon("timg.gif"); //背景
155 background1 = new JLabel(img1);
156 this.getLayeredPane().add(background1, new Integer(Integer.MIN_VALUE));
157 //background.setBounds(0, 0, img.getIconWidth(), img.getIconHeight());
158 background1.setBounds(0, 0, 425, 450);
159 img2 = new ImageIcon("33.gif");
160 background2 = new JLabel(img2);
161 this.getLayeredPane().add(background2, new Integer(Integer.MIN_VALUE));
162 background2.setBounds(0, 0, img2.getIconWidth(), img2.getIconHeight());
163
164 jtf1 = new JTextField(30); //文本
165 //jtf1.setColumns(10);
166 jtf1.setSize(200,35);
167 jtf1.setLocation(130,130);
168 jpf1 = new JPasswordField(30); //密码文本
169 //jpf1.setEchoChar('#'); 设置密码文本内容
170 jpf1.setSize(200,35);
171 jpf1.setLocation(130,180);
172
173 lab1 = new JLabel("账号："); //标题
174 fnt = new Font("Serief",Font.ITALIC+Font.BOLD,15);
175 lab1.setFont(fnt);
176 lab1.setBackground(Color.BLUE); //label的背景颜色
177 lab1.setOpaque(true); //label是否透明
178 lab1.setForeground(Color.YELLOW); //label前景色
179 lab2 = new JLabel("密码：");
180 lab1.setSize(50,30);
181 lab2.setSize(50,30);
182 lab1.setLocation(70,130);
183 lab2.setLocation(70,180);
184 btn1 = new JButton("登录");
185 btn1.setBounds(100,230,180,50);
186 im1 = (new ImageIcon("QQ.png")).getImage(); //图标
187 this.setIconImage(im1);
188 //ImageIcon im2 = new ImageIcon("77.png"); //图标
189 im2 = new ImageIcon("./77.png");
190 btn1.setIcon(im2);
191 this.setLayout(null); //布局--绝对布局
192 ltn = new MyListener(); //监听
193 this.addWindowListener(ltn);
194 act = new BtnAction(); //btn事件
195 btn1.addActionListener(act);
196 btn2 = new JButton("重置");
197 btn2.setBounds(300,230,100,50);
198 act2 = new BtnAction2();
199 btn2.addActionListener(act2);
200 //frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
201 this.setSize(425,325);
202 this.setLocation(700,500);
203 this.setTitle("QQ登录");
204 this.setResizable(false);
205 this.add(btn1);
206 this.add(btn2);
207 this.add(lab1);
208 this.add(lab2);
209 this.add(jpf1);
210 this.add(jtf1);
211 this.add(background1);
212 this.add(background2);
213 this.setVisible(true);
214 System.out.println("OK");
215 }
216 public static void main(String[] args)
217 {
218 LoginFrame Event1 = new LoginFrame();
219 System.out.println("OK");
220 }
221 }
222 class RegsterFrame extends FixFrame
223 {
224
225 }
226 class BackPswFrame extends FixFrame
227 {
228
229 }
230 class MainFrame extends ResizableFrame
231 {
232
233 }
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