526互联

Swing流程

发布时间 2023-07-11 10:22:18作者: 烨澜迷醉烨倾城

JFrame窗口

package MyJFrame;

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

public class JFrameDemo01 extends JFrame{
    public void init(){
        setVisible(true);
        setBounds(100,100,500,500);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);   //经典三步

        Container container=this.getContentPane();
        JLabel jLabel = new JLabel("Welcome to my world!");
        jLabel.setHorizontalAlignment(SwingConstants.CENTER);  //设置标签居中
        container.add(jLabel);
        container.setBackground(Color.cyan);
        add(jLabel);
    }
    public static void main(String[] args) {
        new JFrameDemo01().init();
    }
}

JDialog弹窗

package MyJFrame;

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

public class JDialogdemo01 extends JFrame {
    public void init(){
        setBounds(100,100,500,500);
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        Container container=this.getContentPane();  //把这个JFrame拿出来当做容器
        container.setBackground(Color.cyan);

        container.setLayout(null);
        JButton jButton = new JButton("点击我出现新大陆O.o");
        jButton.setBounds(10,10,300,300);
        jButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JDialog jDialog = new JDialog();
                //jDialog.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
                //弹窗自己自带一个关闭，不用再写关闭代码
                jDialog.setVisible(true);
                jDialog.setBounds(200,200,300,300);

                JLabel jLabel = new JLabel("新大陆！");
                jLabel.setHorizontalAlignment(SwingConstants.CENTER);
                jDialog.add(jLabel);
            }
        });
        container.add(jButton);
    }

    public static void main(String[] args) {
        new JDialogdemo01().init();
    }
}

Icon图标

package MyJFrame;

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

public class IconDemo01 extends JFrame {
    public void init() {
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setVisible(true);
        setBounds(100, 100, 500, 500);

        Container container=this.getContentPane();

        JLabel jLabel = new JLabel();
        jLabel.setIcon(new MyIcon01());      //将图标放在标签上
        jLabel.setHorizontalAlignment(SwingConstants.CENTER);

        JButton jButton = new JButton("小丑别点！");
        jButton.add(jLabel);
        jButton.setBounds(10,20,100,100);
        jButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JDialog jDialog = new JDialog();
                jDialog.setTitle("欢迎来到专属于你的小丑界面");
                jDialog.setVisible(true);
                jDialog.setBounds(200,200,700,700);
                JLabel jLabel1 = new JLabel("你就是小丑王中王");
                jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
                jDialog.add(jLabel1);
            }
        });
        add(jButton);

    }


    public static void main(String[] args) {

        new IconDemo01().init();
    }
}
class MyIcon01 implements Icon{
    public void paintIcon(Component c, Graphics g, int x, int y){
        g.fillOval(x,y,50,50);
    };
    public int getIconWidth(){
        return 50;
    };

    @Override
    public int getIconHeight() {
        return 50;
    }
}

ImageIcon图片图标

package MyJFrame;

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

public class ImageIconDemo extends JFrame {
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(100,100,500,500);

        Container container=this.getContentPane();

        URL url=ImageIconDemo.class.getResource("小丑.jpg");  //获取同级目录下的资源
        ImageIcon imageIcon = new ImageIcon(url);        //将URL转换为图片图标
        JLabel jLabel = new JLabel("陈庆之");
        jLabel.setIcon(imageIcon);
        jLabel.setHorizontalAlignment(SwingConstants.CENTER);

        JButton jButton = new JButton("点击查看小丑");
        jButton.setBounds(10,10,50,50);
        jButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JDialog jDialog = new JDialog();
                jDialog.setVisible(true);
                jDialog.setBounds(100,100,400,400);
                jDialog.setTitle("请你看小丑");
                jDialog.add(jLabel);
            }
        });
        container.add(jButton);
    }

    public static void main(String[] args) {
        new ImageIconDemo().init();
    }
}

文本域JScroll面板

package MyJFrame;

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

public class JScrollDemo01 extends JFrame {
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(300,300,500,500);

        Container container = this.getContentPane();

        JTextArea jTextArea = new JTextArea(20,50);
        jTextArea.setText("你是我的我是你的谁");

        JScrollPane jScrollPane = new JScrollPane(jTextArea);  //为文本域添加滚动条
        container.add(jScrollPane);            //再放到容器里面
    }

    public static void main(String[] args) {
        new JScrollDemo01().init();
    }
}

图片按钮

package MyJFrame;

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

public class JButtonDemo01 extends JFrame {
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(200,200,600,600);
        
        URL url=JButtonDemo01.class.getResource("小丑.jpg");
        ImageIcon imageIcon = new ImageIcon(url);

        JButton jButton = new JButton(imageIcon);

        Container contentPane = this.getContentPane();
        contentPane.add(jButton);
    }

    public static void main(String[] args) {
        new JButtonDemo01().init();
    }
}

JRadioButto单选框

package MyJFrame;

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

public class JButtonDemo02 extends JFrame {
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(300,400,500,600);

        Container container = this.getContentPane();
        //设置三个单选框
        JRadioButton jRadioButton01 = new JRadioButton("A");
        JRadioButton jRadioButton02 = new JRadioButton("B");
        JRadioButton jRadioButton03 = new JRadioButton("C");
        //因为只能选其中一个，所以要把它们放一个组里
        ButtonGroup buttonGroup = new ButtonGroup();
        buttonGroup.add(jRadioButton01);
        buttonGroup.add(jRadioButton02);
        buttonGroup.add(jRadioButton03);

        container.add(jRadioButton01,BorderLayout.EAST);
        container.add(jRadioButton02,BorderLayout.CENTER);
        container.add(jRadioButton03,BorderLayout.WEST);
    }

    public static void main(String[] args) {
        new JButtonDemo02().init();
    }
}

JCheckBox多选框

package MyJFrame;

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

public class JButtonDemo03 extends JFrame {
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(300,400,500,600);

        Container container = this.getContentPane();

        JCheckBox jCheckBox01 = new JCheckBox("a");
        JCheckBox jCheckBox02 = new JCheckBox("b");
        JCheckBox jCheckBox03 = new JCheckBox("c");

        container.add(jCheckBox01,BorderLayout.NORTH);
        container.add(jCheckBox02,BorderLayout.SOUTH);
        container.add(jCheckBox03,BorderLayout.CENTER);
    }

    public static void main(String[] args) {
        new JButtonDemo03().init();
    }
}

JComboBox下拉框

package MyJFrame;

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

public class ComboBoxDemo01 extends JFrame {
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(100,100,500,500);

        Container container = this.getContentPane();

        JComboBox jComboBox = new JComboBox();
        jComboBox.addItem(null);
        jComboBox.addItem("狗豪");
        jComboBox.addItem("老兵");
        jComboBox.addItem("王中王");
        jComboBox.addItem("王总");
        jComboBox.addItem("成哥");

        container.add(jComboBox);
    }

    public static void main(String[] args) {
        new ComboBoxDemo01().init();
    }
}

JList列表框

package MyJFrame;

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

public class ComboBoxDemo02 extends JFrame{
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(100,100,500,500);

        Container container = this.getContentPane();

        Vector vector = new Vector();
        vector.add("鸡哥");
        vector.add("鸡哥");
        vector.add("鸡哥");

        JList jList = new JList(vector);

        container.add(jList);
    }

    public static void main(String[] args) {
        new ComboBoxDemo02().init();
    }
}

密码框

package MyJFrame;

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

public class JPasswordFieldDemo extends JFrame {
    public void init(){
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setBounds(100,100,500,500);

        Container container = this.getContentPane();

        JPasswordField jPasswordField = new JPasswordField(); //默认是  *
        jPasswordField.setEchoChar('&');
        
        container.add(jPasswordField);
    }

    public static void main(String[] args) {
        new JPasswordFieldDemo().init();
    }
}