12月24日Java作业

Shen Ying Lv6
  2024-12-24 18:52:14 2024-12-24 18:52:14 创建   2024-12-27 10:54:20 2024-12-27 10:54:20 更新    1.1k 字  6 分钟  

作业要求

如图：

截屏2024-12-24 18.55.47

第一题

截屏2024-12-24 18.58.05

代码

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package homeWork;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeListener;

public class Test1 extends JFrame {
	JTextField t1 = new JTextField("3", 5);
	JTextField t2 = new JTextField("9", 5);
	JTextField t3 = new JTextField("27", 5);
	JButton cal = new JButton("计算");
	Test1() {
		super("作业1");
		Container con = getContentPane();
		con.setLayout(new FlowLayout());
		con.add(t1);
		con.add(cal);
		cal.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				// TODO Auto-generated method stub
				Integer n1 = Integer.parseInt(t1.getText());
				Integer n2 = Integer.parseInt(t2.getText());
				Integer mul = n1 * n2;
				t3.setText(mul.toString());
			}
		});
		con.add(t2);
		con.add(t3);
		
//		窗口设置
		setVisible(true);
		setSize(400, 100);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
	}
	public static void main(String[] args) {
		Test1 f = new Test1();
	}
}

第二题

代码

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package homeWork;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class Test2 extends JFrame {
	JTextField t1 = new JTextField("3", 5);
	JLabel l = new JLabel("xx欢迎您");
	JButton cal = new JButton("确定");
	Test2() {
		super("作业2");
		Container con = getContentPane();
		con.setLayout(new FlowLayout());
		con.add(t1);
		con.add(cal);
		con.add(l);
		cal.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				// TODO Auto-generated method stub
				l.setText(t1.getText() + "欢迎您");
			}
		});
		
//		窗口设置
		setVisible(true);
		setSize(300, 80);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
	}
	public static void main(String[] args) {
		Test2 f = new Test2();
	}
}

第三题

截屏2024-12-24 18.58.56

代码

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package homeWork;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

public class Test3 extends JFrame {
//	注册组件
	JPanel j1 = new JPanel();
	JLabel name = new JLabel("请输入姓名：");
	JTextField t1 = new JTextField("小雪", 10);
	
	JPanel j2 = new JPanel();
	JLabel sex = new JLabel("性别：");
	JRadioButton man = new JRadioButton("男");
	JRadioButton woman = new JRadioButton("女");
	ButtonGroup g = new ButtonGroup();
	
	JPanel j3 = new JPanel();
	JLabel hobby = new JLabel("爱好：");
	JCheckBox book = new JCheckBox("读书");
	JCheckBox pe = new JCheckBox("体育");
	JCheckBox music = new JCheckBox("音乐");
	
	JPanel j4 = new JPanel();
	JLabel info1 = new JLabel("");
	JLabel info2 = new JLabel("");
	JLabel info3 = new JLabel("");
	String st1 = "";
	String st2 = "";
	String st3 = "";
	Test3() {
		super("作业3");
		Container con = getContentPane();
		con.setLayout(new GridLayout(4, 1));
//		添加panel盒子
		con.add(j1);
		con.add(j2);
		con.add(j3);
		con.add(j4);
		
//		单选框添加进按钮组
		g.add(man);
		g.add(woman);
		
//		添加组件
		j1.add(name);
		j1.add(t1);
		
		j2.add(sex);
		j2.add(man);
		j2.add(woman);

		j3.add(hobby);
		j3.add(book);
		j3.add(pe);
		j3.add(music);
		
		j4.add(info1);
		j4.add(info2);
		j4.add(info3);
		
//		添加事件
		t1.addActionListener(new ActionListener() {	
			@Override
			public void actionPerformed(ActionEvent e) {
				// TODO Auto-generated method stub
				info3.setText("姓名: " + t1.getText());
			}
		});
		
//		多选框事件
		ItemListener item_listener = new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				// TODO Auto-generated method stub
				JCheckBox source = (JCheckBox)e.getSource();
				if (source == book) {
					if (source.isSelected()) st1 = "书籍,";
					else st1 = "";
				} else if (source == pe) {
					if (source.isSelected()) st2 = "体育,";
					else st2 = "";
				} else if (source == music) {
					if (source.isSelected()) st3 = "音乐";
					else st3 = "";
				}
				info2.setText("爱好:"+st1+st2+st3);
			}
		};
		book.addItemListener(item_listener);
		pe.addItemListener(item_listener);
		music.addItemListener(item_listener);
//		性别事件
		ActionListener listener = new ActionListener() {	
			@Override
			public void actionPerformed(ActionEvent e) {
				// TODO Auto-generated method stub
				JRadioButton source = (JRadioButton)e.getSource();
				if (source == man) {
					info1.setText("性别：男");
				} else if (source == woman) {
					info1.setText("性别：女");					
				}
			}
		};
		man.addActionListener(listener);
		woman.addActionListener(listener);
//		窗口设置
		setVisible(true);
		setSize(340, 200);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
	}
	public static void main(String[] args) {
		Test3 f = new Test3();
	}
}

第四题

截屏2024-12-24 18.59.14

代码

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package homeWork;

import javax.swing.*;
import java.awt.*;

public class Test4 extends JFrame {
	Test4() {
		super("作业四");
		Container con = getContentPane();
		con.setLayout(new GridLayout(3, 1));
		
		JPanel p1 = new JPanel();
		JPanel p2 = new JPanel();
		JPanel p3 = new JPanel();
		con.add(p1);
		con.add(p2);
		con.add(p3);
		
		p1.add(new JLabel("请选择一个容器类："));
		p2.add(new JRadioButton("JFrame"));
		p2.add(new JRadioButton("JDialog"));
		p2.add(new JRadioButton("JApplet"));
		
		p3.add(new JButton("OK"));
		p3.add(new JButton("Cancel"));
//		设置
		setVisible(true);
		setSize(300, 120);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
	}
	public static void main(String[] args) {
		Test4 f = new Test4();
	}
}

第五题

截屏2024-12-24 18.59.26

代码

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package homeWork;

import javax.swing.*;
import java.awt.*;

public class Test5 extends JFrame {
	Test5() {
		super("作业5");
		Container con = getContentPane();
		con.setLayout(new GridLayout(5, 1));
		JPanel p1 = new JPanel();
		JPanel p2 = new JPanel();
		JPanel p3 = new JPanel();
		JPanel p4 = new JPanel();
		JPanel p5 = new JPanel();
		p1.setLayout(new CardLayout());
		p2.setLayout(new CardLayout());
		p3.setLayout(new CardLayout());
		p4.setLayout(new CardLayout());
		
		con.add(p1);
		con.add(p2);
		con.add(p3);
		con.add(p4);
		con.add(p5);
		
		
		p1.add(new JLabel("请输入书籍名称："));
		p2.add(new JTextField(10));
		p3.add(new JLabel("请输入书籍的详细描述："));
		p4.add(new JTextArea(10, 5));
		p5.add(new JButton("OK"));
		p5.add(new JButton("Cancel"));
//		设置
		setVisible(true);
		setSize(300, 200);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
	}
	public static void main(String[] args) {
		Test5 f = new Test5();
	}
}
  • 标题: 12月24日Java作业
  • 作者: Shen Ying
  • 创建于 : 2024-12-24 18:52:14
  • 更新于 : 2024-12-27 10:54:20
  • 链接: https://shenying.online/2024/12/24/12月24日Java作业/
  • 版权声明: 本文章采用 CC BY-NC-SA 4.0 进行许可。
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目录
12月24日Java作业
  1. 作业要求
  2. 第一题
  3. 第二题
  4. 第三题
  5. 第四题
  6. 第五题