5月15日java上机任务

 1 package com.wsy.work;
 2 
 3 import java.awt.FlowLayout;
 4 
 5 import javax.swing.*;
 6 public class AlarmClock {
 7     JFrame jf;
 8     JPanel jp;
 9     JLabel[] jls;
10     JTextField[] jtf;
11     JButton[] jbs;
12     public AlarmClock()
13     {
14         jf = new JFrame("闹钟");
15         jp = new JPanel();
16         jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
17         jls = new JLabel[9];
18         jtf = new JTextField[6];
19         for(int i =0; i<6; i++)
20         {
21             jtf[i] = new JTextField(3);
22         }
23         jbs = new JButton[2];
24         jp.setLayout(new FlowLayout());
25         jls[0] = new JLabel("当前时间：");
26         jls[1] = new JLabel("时");
27         jls[2] = new JLabel("分");
28         jls[3] = new JLabel("秒");
29         jls[4] = new JLabel("闹钟时间：");
30         jls[5] = new JLabel("时");
31         jls[6] = new JLabel("分");
32         jls[7] = new JLabel("秒");
33         jls[8] = new JLabel("闹钟设置");
34         jbs[0] = new JButton("开");
35         jbs[1] = new JButton("关");
36         jp.add(jls[0]);
37         jp.add(jtf[0]);
38         jp.add(jls[1]);
39         jp.add(jtf[1]);
40         jp.add(jls[2]);
41         jp.add(jtf[2]);
42         jp.add(jls[3]);
43         jp.add(jls[4]);
44         jp.add(jtf[3]);
45         jp.add(jls[5]);
46         jp.add(jtf[4]);
47         jp.add(jls[6]);
48         jp.add(jtf[5]);
49         jp.add(jls[7]);
50         jp.add(jls[8]);
51         jp.add(jbs[0]);
52         jp.add(jbs[1]);
53         jf.add(jp);
54         jf.setVisible(true);
55         jf.setSize(280, 150);
56     }
57     public static void main(String[] args) {
58         new AlarmClock();
59 
60     }
61 
62 }

 1 package com.wsy.work;
 2 
 3 import java.awt.GridLayout;
 4 import java.awt.Label;
 5 
 6 import javax.swing.JButton;
 7 import javax.swing.JFrame;
 8 import javax.swing.JLabel;
 9 import javax.swing.JPanel;
10 import javax.swing.JPasswordField;
11 import javax.swing.JTextField;
12 
13 public class LandWindows {
14     JFrame jf;
15     JPanel jp;
16     JLabel[] jls;
17     JTextField jtf;
18     JButton[] jbs;
19     JPasswordField jpw;
20     public LandWindows()
21     {
22         jf = new JFrame("登陆");
23         jp = new JPanel();
24         jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
25         jls = new JLabel[2];
26         jtf = new JTextField(5);
27         jpw = new JPasswordField(5);
28         jbs = new JButton[2];
29         jls[0] = new JLabel("用户名：");
30         jls[1] = new JLabel("口令：");
31         jls[0].setHorizontalAlignment(JLabel.RIGHT);
32         jls[1].setHorizontalAlignment(JLabel.RIGHT);
33         jbs[0] = new JButton("确定");
34         jbs[1] = new JButton("取消");
35         jp.setLayout(new GridLayout(3,2));
36         jp.add(jls[0]);
37         jp.add(jtf);
38         jp.add(jls[1]);
39         jp.add(jpw);
40         jp.add(jbs[0]);
41         jp.add(jbs[1]);
42         jf.add(jp);
43         jf.setVisible(true);
44         jf.setSize(300, 200);
45     }
46     public static void main(String[] args) {
47         new LandWindows();
48 
49     }
50 
51 }