进制转换，,textField_1.

进制转换，,textField_1.

textField_1.setText(Integer.toHexString(i)); //十进制转换二进制

textField_2.setText(Integer.toOctalString(i)); //十进制转换八进制

textField_3.setText(Integer.toBinaryString(i)); //十进制转换十六进

import javax.swing.JDialog;import javax.swing.JTextField;import javax.swing.JLabel;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;import java.awt.Font;import java.awt.SystemColor;import java.awt.Color;import java.awt.Toolkit;public class jzzh  {    private JTextField textField;    private JTextField textField_1;    private JTextField textField_2;    public static int i;    public static String str;    private JTextField textField_3;    public jzzh()    {        JDialog jd=new JDialog();        jd.setIconImage(Toolkit.getDefaultToolkit().getImage("icop.png"));        jd.getContentPane().setLayout(null);        jd.setAlwaysOnTop(true);        jd.setTitle("\\u8FDB\\u5236\\u8F6C\\u6362");        jd.addWindowListener(new WindowAdapter() {            @Override            public void windowClosing(WindowEvent arg0) {                System.exit(0);            }        });        textField = new JTextField();                          //十进制        textField.addKeyListener(new KeyAdapter() {            public void keyReleased(KeyEvent arg0) {          //键盘输入触发                str=textField.getText();                if(str.length()<=0){                    textField_1.setText("");                    textField_2.setText("");                    textField_3.setText("");                }else                {                i=Integer.parseInt(str);                textField_1.setText(Integer.toHexString(i));     //十进制转换二进制                textField_2.setText(Integer.toOctalString(i));   //十进制转换八进制                textField_3.setText(Integer.toBinaryString(i));  //十进制转换十六进制            }            }           });        textField.setBounds(110, 38, 116, 23);        jd.getContentPane().add(textField);        textField.setColumns(10);        textField_1 = new JTextField();        textField_1.addKeyListener(new KeyAdapter() {            public void keyReleased(KeyEvent arg0) {                str=textField_1.getText();                if(str.length()<=0){                    textField.setText("");                    textField_2.setText("");                    textField_3.setText("");                }else{                i=Integer.valueOf(str,16);                textField.setText(Integer.toString(i));                textField_2.setText(Integer.toOctalString(i));                textField_3.setText(Integer.toBinaryString(i));            }            }        });        textField_1.setBounds(110, 75, 116, 23);        jd.getContentPane().add(textField_1);        textField_1.setColumns(10);        textField_2 = new JTextField();        textField_2.addKeyListener(new KeyAdapter() {            public void keyReleased(KeyEvent arg0) {                str=textField_2.getText();                if(str.length()<=0){                    textField.setText("");                    textField_1.setText("");                    textField_3.setText("");                }else{                i=Integer.valueOf(str,8);                textField.setText(Integer.toString(i));                textField_1.setText(Integer.toHexString(i));                textField_3.setText(Integer.toBinaryString(i));                }            }        });        textField_3 = new JTextField();        textField_3.addKeyListener(new KeyAdapter() {            @Override            public void keyReleased(KeyEvent arg0) {                str=textField_3.getText();                  if(str.length()<=0){                    textField.setText("");                    textField_1.setText("");                    textField_2.setText("");                }else{                i=Integer.valueOf(str,2);                textField.setText(Integer.toString(i));                textField_1.setText(Integer.toHexString(i));                textField_2.setText(Integer.toOctalString(i));                }            }        });        textField_2.setBounds(110, 112, 116, 23);        jd.getContentPane().add(textField_2);        textField_2.setColumns(10);        JLabel lblNewLabel = new JLabel("\\u5341\\u8FDB\\u5236\\u3000\\uFF1A");        lblNewLabel.setBackground(SystemColor.textText);        lblNewLabel.setFont(new Font("微软雅黑", Font.BOLD, 12));        lblNewLabel.setForeground(SystemColor.menuText);        lblNewLabel.setBounds(40, 41, 68, 17);        jd.getContentPane().add(lblNewLabel);        JLabel lblNewLabel_1 = new JLabel("\\u5341\\u516D\\u8FDB\\u5236\\uFF1A");        lblNewLabel_1.setBackground(SystemColor.textText);        lblNewLabel_1.setFont(new Font("微软雅黑", Font.BOLD, 12));        lblNewLabel_1.setForeground(SystemColor.menuText);        lblNewLabel_1.setBounds(40, 78, 68, 17);        jd.getContentPane().add(lblNewLabel_1);        JLabel lblNewLabel_2 = new JLabel("\\u516B\\u8FDB\\u5236\\u3000\\uFF1A");        lblNewLabel_2.setBackground(SystemColor.textText);        lblNewLabel_2.setFont(new Font("微软雅黑", Font.BOLD, 12));        lblNewLabel_2.setForeground(SystemColor.menuText);        lblNewLabel_2.setBounds(40, 115, 68, 17);        jd.getContentPane().add(lblNewLabel_2);        JLabel label = new JLabel("\\u4E8C\\u8FDB\\u5236\\u3000\\uFF1A");        label.setForeground(Color.BLACK);        label.setFont(new Font("微软雅黑", Font.BOLD, 12));        label.setBackground(Color.BLACK);        label.setBounds(40, 152, 68, 17);        jd.getContentPane().add(label);        textField_3.setBounds(110, 149, 116, 23);        jd.getContentPane().add(textField_3);        textField_3.setColumns(10);        JLabel lblNewLabel_3 = new JLabel("by zhang");        lblNewLabel_3.setBounds(218, 198, 88, 15);        jd.getContentPane().add(lblNewLabel_3);        jd.setSize(322,261);        jd.setVisible(true);    }    public static void main(String[] args) {            new jzzh();    }}//该片段来自于http://byrx.net