java课题--day5基础回顾

其他 2020-04-14 22:50:03 阅读次数: 0

文章目录

java课题–day5学习JFRAME

第一个弹窗

import javax.swing.*;

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 9:37
 * 生成弹窗
 */
public class JfDemo {
    public static void main(String[] args) {
        JFrame jf=new JFrame("可爱的弹窗");
        //设置尺寸位置
        jf.setBounds(500,300,900,700);
        jf.setIconImage(new ImageIcon("src/W0.png").getImage());
        //关闭时退出虚拟机
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jf.setVisible(true);
    }
}

弹窗居中–去除任务栏

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 10:33
 * 窗口居中
 */
public class JfDemo3 {
    private static final int WIDTH=500;
    private static final int HEIGHT=400;

    public static void main(String[] args) {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jFrame.setVisible(true);
    }
}

带任务栏居中

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 10:09
 * 窗口居中
 */
public class JfDemo2 {
    private static final int WIDTH=500;
    private static final int HEIGHT=400;

    public static void main(String[] args) {
        JFrame jFrame=new JFrame("窗口居中");
        Toolkit toolkit=Toolkit.getDefaultToolkit();
        Dimension screenSize=toolkit.getScreenSize();
        int width=screenSize.width;
        int height=screenSize.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jFrame.setVisible(true);
    }
}

按钮–流式布局

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 10:48
 * 流式布局
 */
public class JfButtonDemo {
    private static final int WIDTH=500;
    private static final int HEIGHT=400;

    public static void main(String[] args) {
        JFrame jframe = JfButtonDemo.init();
        jframe.setLayout(new FlowLayout(FlowLayout.LEFT));
        for (int i = 0; i <100 ; i++) {
            JButton jButton1 = new JButton("button"+i);//生成按钮
            jframe.add(jButton1);//加入到窗口
        }
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}

按钮–边界布局

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 11:06
 * 边界布局
 */

public class JfBouttonDemo1 {
    private static final int WIDTH=1000;
    private static final int HEIGHT=800;

    public static void main(String[] args) {
        JFrame jframe = JfButtonDemo.init();
        jframe.setLayout(new BorderLayout(10,10));
        JButton jButton1 = new JButton("button1");//生成按钮
        JButton jButton2 = new JButton("button2");//生成按钮
        JButton jButton3 = new JButton("button3");//生成按钮
        JButton jButton4 = new JButton("button4");//生成按钮
        JButton jButton5 = new JButton("button5");//生成按钮
        jframe.add(jButton1,BorderLayout.NORTH);
        jframe.add(jButton2,BorderLayout.SOUTH);
        jframe.add(jButton3,BorderLayout.EAST);
        jframe.add(jButton4,BorderLayout.WEST);
        jframe.add(jButton5,BorderLayout.CENTER);
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}

按钮–网格布局

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 11:30
 * 网格布局
 */
public class JfButtonDemo2 {
    private static final int WIDTH=1000;
    private static final int HEIGHT=800;

    public static void main(String[] args) {
        JFrame jframe = JfButtonDemo.init();
        jframe.setLayout(new GridLayout(5,5));
        for (int i = 0; i <25 ; i++) {
            JButton jButton1 = new JButton("button"+i);//生成按钮
            jframe.add(jButton1);//加入到窗口
        }
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}

面板

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 11:37
 * jpanel面板
 */
public class JPanelDemo {
    private static final int WIDTH=500;
    private static final int HEIGHT=400;

    public static void main(String[] args) {
        JPanel jPanel=new JPanel(new GridLayout(5,1));
        JPanel jPane2=new JPanel(new BorderLayout());
        JFrame jframe = JfButtonDemo.init();
        jframe.setLayout(new BorderLayout(10,10));
        jframe.add(jPanel,BorderLayout.WEST);
        JButton jb=new JButton("center");
        jPane2.add(jb);
        jframe.add(jPane2,BorderLayout.CENTER);
        for (int i = 0; i <5 ; i++) {
            JButton jButton1 = new JButton("button"+i);//生成按钮
            jPanel.add(jButton1);//加入到窗口
        }
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}

文本输入框

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 14:09
 * 文本输入框
 */
public class JLableDemo {
        private static final int WIDTH=1000;
        private static final int HEIGHT=800;
        public static void main(String[] args) {
            JFrame jframe = init();
            jframe.setLayout(new GridLayout(2,1));
            JPanel jPanel=new JPanel();
            JLabel lable=new JLabel("请输入用户名:",new ImageIcon("src/W0.png"),JLabel.CENTER);
            JTextField jtf=new JTextField(40);//文本框
            jPanel.add(lable);
            jPanel.add(jtf);
            JPanel jPane2=new JPanel();
            JLabel jlable2=new JLabel("请输入密码:",new ImageIcon("src/W30.png"),JLabel.CENTER);
            JTextField jtf2=new JTextField(40);//文本框
            jPanel.add(jlable2);
            jPanel.add(jtf2);
            jframe.add(jPanel);
            jframe.add(jPane2);
            jframe.setVisible(true);
        }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
        }
}

选择框

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 14:44
 * 选择框
 */
public class JComboBoxDemo {
    private static final int WIDTH=1000;
    private static final int HEIGHT=800;

    public static void main(String[] args) {
        JFrame jframe = init();
        jframe.setLayout(new GridLayout(5,1));
        JPanel jPanel=new JPanel();
        JLabel jlb1=new JLabel("请输入您的学习语言:");
        JComboBox box=new JComboBox();//复选框
        JCheckBox jcb1=new JCheckBox("足球");
        JCheckBox jcb2=new JCheckBox("篮球");
        JCheckBox jcb3=new JCheckBox("乒乓球");
        box.addItem("Java");
        box.addItem("c");
        box.addItem("C++");
        box.addItem("sql");
        jPanel.add(jlb1);
        jPanel.add(box);
        jframe.add(jPanel);
        JPanel jPanel2 = new JPanel();
        JLabel jlb2=new JLabel("请输入你的爱好:");
        jframe.add(jPanel2);
        jPanel2.add(jlb2);
        jPanel2.add(jcb1);
        jPanel2.add(jcb2);
        jPanel2.add(jcb3);
        JPanel jpanel3 =new JPanel();
        JLabel jlb3=new JLabel("您的性别:");
        JRadioButton jrb1=new JRadioButton("男");
        JRadioButton jrb2=new JRadioButton("女");
        JRadioButton jrb3=new JRadioButton("中性");
        JRadioButton jrb4=new JRadioButton("保密");
        ButtonGroup bg=new ButtonGroup();//bg包裹后,只能单选
        bg.add(jrb1);
        bg.add(jrb2);
        bg.add(jrb3);
        bg.add(jrb4);
        jpanel3.add(jlb3);
        jpanel3.add(jrb1);
        jpanel3.add(jrb2);
        jpanel3.add(jrb3);
        jpanel3.add(jrb4);
        jframe.add(jpanel3);
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}

文件选择

import com.sun.org.apache.bcel.internal.generic.NEW;

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 15:25
 * 文件选择
 */
public class JFileChooserDemo {
    private static final int WIDTH=1000;
    private static final int HEIGHT=800;

    public static void main(String[] args) {
        JFrame jframe = init();
        JPanel jPanel=new JPanel();
        JLabel jlb1=new JLabel("请选择头像:");
        JButton jb=new JButton("选择头像");
        JTextField jtf=new JTextField(30);
        jPanel.add(jlb1);
        jPanel.add(jtf);
        jPanel.add(jb);
        jb.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JFileChooser jfilehelpers = new JFileChooser();
                int returnVal = jfilehelpers.showOpenDialog(null);
                if (returnVal==JFileChooser.APPROVE_OPTION){
                    jtf.setText(jfilehelpers.getSelectedFile().getAbsolutePath());
                }
            }
        });
        jframe.add(jPanel);
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}

滚动条

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 15:43
 */
public class JScrollPaneDemo {
    private static final int WIDTH=1000;
    private static final int HEIGHT=800;

    public static void main(String[] args) {
        JFrame jframe = init();
        JPanel jPanel=new JPanel();
        //JPanel jPanel2=new JPanel();
        jPanel.setLayout(new GridLayout(500,1));
        for (int i = 0; i <500 ; i++) {
            JButton jButton1 = new JButton("button"+i);//生成按钮
            jPanel.add(jButton1);//加入到面板
        }
        JScrollPane jsp = new JScrollPane(jPanel);
        jframe.add(jsp);
        //jframe.add(jPanel2);
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}

消息弹窗

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

/**
 * @author Shangkejie
 * @Class BigData182
 * @date 2019/12/13 - 14:44
 * 选择框
 */
public class JComboBoxDemo {
    private static final int WIDTH=1000;
    private static final int HEIGHT=800;

    public static void main(String[] args) {
        JFrame jframe = init();
        jframe.setLayout(new GridLayout(5,1));
        JPanel jPanel=new JPanel();
        JLabel jlb1=new JLabel("请输入您的学习语言:");
        JComboBox box=new JComboBox();//复选框
        JCheckBox jcb1=new JCheckBox("足球");
        JCheckBox jcb2=new JCheckBox("篮球");
        JCheckBox jcb3=new JCheckBox("乒乓球");
        box.addItem("Java");
        box.addItem("c");
        box.addItem("C++");
        box.addItem("sql");
        jPanel.add(jlb1);
        jPanel.add(box);
        jframe.add(jPanel);
        JPanel jPanel2 = new JPanel();
        JLabel jlb2=new JLabel("请输入你的爱好:");
        jframe.add(jPanel2);
        jPanel2.add(jlb2);
        jPanel2.add(jcb1);
        jPanel2.add(jcb2);
        jPanel2.add(jcb3);
        JPanel jpanel3 =new JPanel();
        JLabel jlb3=new JLabel("您的性别:");
        JRadioButton jrb1=new JRadioButton("男");
        JRadioButton jrb2=new JRadioButton("女");
        JRadioButton jrb3=new JRadioButton("中性");
        JRadioButton jrb4=new JRadioButton("保密");
        ButtonGroup bg=new ButtonGroup();//bg包裹后,只能单选
        bg.add(jrb1);
        bg.add(jrb2);
        bg.add(jrb3);
        bg.add(jrb4);
        jpanel3.add(jlb3);
        jpanel3.add(jrb1);
        jpanel3.add(jrb2);
        jpanel3.add(jrb3);
        jpanel3.add(jrb4);
        jframe.add(jpanel3);
        JPanel jPanel4=new JPanel();
        JButton jButton4=new JButton("---注册---");
        jButton4.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                //消息框
                JOptionPane.showMessageDialog(null,"注册成功");
                //确认框
                int i=JOptionPane.showConfirmDialog(null,"确认删除吗");
                System.out.println(i);
                //输入框
                JOptionPane.showInputDialog(null);
            }
        });
        jPanel4.add(jButton4);
        jframe.add(jPanel4);
        jframe.setVisible(true);
    }
    public static JFrame init() {
        JFrame jFrame=new JFrame("窗口居中");
        GraphicsEnvironment ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
        Rectangle rectangle=ge.getMaximumWindowBounds();
        int width=rectangle.width;
        int height=rectangle.height;
        jFrame.setBounds((width-WIDTH)/2,(height-HEIGHT)/2,WIDTH,HEIGHT);//窗口居中
        jFrame.setIconImage(new ImageIcon("src/W0.png").getImage());
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return jFrame;
    }
}
皇棠
发布了83 篇原创文章 · 获赞 20 · 访问量 2万+
私信 关注

猜你喜欢

转载自blog.csdn.net/weixin_43759910/article/details/103527876
今日推荐
基于大语言模型的开源知识库问答系统 MaxKB GitHub Star 数量突破 5,000 个！
美国拟限制 AI 大模型出口中国和俄罗斯
苹果将与 OpenAI 达成协议，将 ChatGPT 应用于 iPhone
openKylin 社区生态委员会第六次会议圆满召开
阿里云正式发布通义千问 2.5
Python 3.13 发布首个 Beta：实验性自由线程模式和 JIT、改进交互式解释器
Stack Overflow 拿我的代码去训练 AI 大模型，还封了我的账号
Pop!_OS 的 COSMIC 桌面完成 App Store 上架工作
《2024 年一季度互联网投融资运行情况》研究报告
报告：Django 仍然是 74% 开发者的首选
15 年前上了“FFmpeg 耻辱柱”，今天他还得谢谢咱——腾讯QQPlayer一雪前耻？
TIOBE 5 月榜单：Fortran “复活”进入 Top 10
周排行
记一下去大梅沙的准备（2018-05-26）
Spring 注解 事务
基于HTTP协议的客户端缓存
阿里云rds 备份和还原
[PHP] 几个拖慢 PHP 程序/API 运行速度的点
python 代码风格------------PEP8规则
js控制json生成菜单——自制菜单（一）
将字符串: 'k:1|k1:2|k2:3|k3:4 ' ,处理成 python 字典: {'k':1, 'k1':2, ...}
微信小程序转支付宝小程序
Qt551.窗口滚动条
每日归档
更多
2024-05-13(18)
2024-05-12(0)
2024-05-11(38)
2024-05-10(38)
2024-05-09(35)
2024-05-08(42)
2024-05-07(14)
2024-05-06(40)
2024-05-05(0)
2024-05-04(7)

代码天地 © 2018 codetd.com

境外服务器   最新电视剧2022