Java 进制转换工具源码

源码

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.function.BinaryOperator;

public class test2 extends JPanel {

    static final int WIDTH=200;
    static final int HEIGHT=200;
    JTextField text1;
    JTextField text2;
    JTextField text3;
    JTextField text4;
    JTextField text5;

    public void add(Component c,GridBagConstraints constrains,int x,int y,int w,int h){
        //此方法用来添加控件到容器中
            constrains.gridx=x;
            constrains.gridy=y;
            constrains.gridwidth=w;
            constrains.gridheight=h;
            add(c,constrains);
    }

    public test2(){
        JFrame frame = new JFrame();//创建顶层容器
        frame.setTitle("进制转换工具");//顶层容器名称
        frame.setSize(WIDTH,HEIGHT);//设置顶层容器大小
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置关闭功能
        frame.setResizable(false);//设置窗口大小固定
        Toolkit kit=Toolkit.getDefaultToolkit();//设置顶层容器框架为居中
        Dimension screenSize=kit.getScreenSize();
        int width=screenSize.width;
        int height=screenSize.height;
        int x=(width-WIDTH)/2;
        int y=(height-HEIGHT)/2;
        frame.setLocation(x,y);
        frame.setContentPane(this);

        JRadioButton jr1 = new JRadioButton("二进制");
        JRadioButton jr2 = new JRadioButton("八进制");
        JRadioButton jr3 = new JRadioButton("十进制");
        JRadioButton jr4 = new JRadioButton("十六进制");
        ButtonGroup bg = new ButtonGroup();
        bg.add(jr1);
        bg.add(jr2);
        bg.add(jr3);
        bg.add(jr4);

        JLabel label1=new JLabel("输入待转换数值:");
        JLabel label2=new JLabel("二进制");
        JLabel label3=new JLabel("八进制");
        JLabel label4=new JLabel("十进制");
        JLabel label5=new JLabel("十六进制");
        JLabel label6=new JLabel("输入数值的进制");
        JLabel label7=new JLabel("转换结果");

        text1=new JTextField(10);
        text2=new JTextField(10);
        text3=new JTextField(10);
        text4=new JTextField(10);
        text5=new JTextField(10);

        JButton compute=new JButton("开始转换");

        setLayout(new GridBagLayout()); //设置布局方式
        GridBagConstraints constrains = new GridBagConstraints(); //创建布局约束对象
        constrains.fill = GridBagConstraints.NONE;  //不填充，保持原状
        constrains.anchor = GridBagConstraints.WEST; //组件大于分配空间时向左侧缩小
        constrains.weightx = 100;
        constrains.weighty = 100;

        add(label6,constrains,2,0,7,1);
        add(label7,constrains,18,0,4,1);
        add(jr1,constrains,2,2,4,1);
        add(jr2,constrains,2,4,4,1);
        add(jr3,constrains,2,6,4,1);
        add(jr4,constrains,2,8,4,1);
        add(label1,constrains,2,10,7,1);
        add(text1,constrains,2,12,10,1);
        add(label2,constrains,8,2,3,1);
        add(text2,constrains,12,2,10,1);
        add(label3,constrains,8,4,3,1);
        add(text3,constrains,12,4,10,1);
        add(label4,constrains,8,6,3,1);
        add(text4,constrains,12,6,10,1);
        add(label5,constrains,8,8,3,1);
        add(text5,constrains,12,8,10,1);
        add(compute,constrains,12,10,13,9);

        frame.setVisible(true);//设置顶层容器可见

        compute.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                int radix = 0;
                String d = text1.getText();
                if(jr1.isSelected()){
                    radix = 2;
                }else if(jr2.isSelected()){
                    radix = 8;
                }else if(jr3.isSelected()){
                    radix = 10;
                }else if(jr4.isSelected()){
                    radix = 16;
                }
                int d1 = Integer.parseInt(d,radix);
                text2.setText("" + Integer.toBinaryString(d1));
                text3.setText("" + Integer.toOctalString(d1));
                text4.setText("" + d1);
                text5.setText("" + Integer.toHexString(d1));
            }
        });
    }
    public static void main(String[] args){
        new test2();
    }
}