按钮

按钮

图片按钮

package com.hua.demo5;

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

public class JButtonDemo01 extends JFrame {
    public JButtonDemo01() {
        Container container = getContentPane();
        //将一个图片变为图标
        URL url = JButtonDemo01.class.getResource("BruceLee.jpg");
        Icon icon = new ImageIcon(url);
        //将这个图标放在按钮上
        JButton button = new JButton();
        button.setIcon(icon);
        button.setToolTipText("图片按钮");

        //add
        container.add(button);
        this.setVisible(true);
        this.setSize(400,300);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

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

单选按钮

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

public class JButtonDemo02 extends JFrame {
    public JButtonDemo02() {
        Container container = getContentPane();
        //将一个图片变为图标
        URL url = JButtonDemo02.class.getResource("BruceLee.jpg");
        Icon icon = new ImageIcon(url);

        //单选框
        JRadioButton radioButton1 = new JRadioButton("radioButton1");
        JRadioButton radioButton2 = new JRadioButton("radioButton2");
        JRadioButton radioButton3 = new JRadioButton("radioButton3");

        //由于单选框只能选择一个，分组，一个组只能选择一个
        ButtonGroup group = new ButtonGroup();
        group.add(radioButton1);
        group.add(radioButton2);
        group.add(radioButton3);

        container.add(radioButton1,BorderLayout.NORTH);
        container.add(radioButton2,BorderLayout.CENTER);
        container.add(radioButton3,BorderLayout.SOUTH);
        this.setVisible(true);
        this.setSize(300,200);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

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

复选按钮

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

public class JButtonDemo03 extends JFrame{
    public JButtonDemo03() {
        Container container = getContentPane();
        //将一个图片变为图标
        URL url = JButtonDemo02.class.getResource("BruceLee.jpg");
        Icon icon = new ImageIcon(url);

        //多选框
        JCheckBox checkBox1 = new JCheckBox("checkBox1");
        JCheckBox checkBox2 = new JCheckBox("checkBox1");

        container.add(checkBox1,BorderLayout.NORTH);
        container.add(checkBox2,BorderLayout.SOUTH);

        this.setVisible(true);
        this.setSize(300,200);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

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