📄 radiobuttonsframe.html

📁 think in java TIJ-3rd-edition-code.zip

💻 HTML

字号:

<html><head><title>Display page for RadioButtons at www.BruceEckel.com</title></head><FONT FACE="Verdana,Tahoma,Arial,Helvetica,Sans"><H2>RadioButtons.java</H2><hr></FONT>
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
    width="200" height="100" align="baseline"
    codebase="http://java.sun.com/products/plugin/1.2.2/jinstall-1_2_2-win.cab#Version=1,2,2,0">
<PARAM NAME="code" VALUE="RadioButtons.class">
<PARAM NAME="codebase" VALUE=".">
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.2.2">
<COMMENT>
    <EMBED type="application/x-java-applet;version=1.2.2" 
       width="200" height="100" align="baseline" 
       code="RadioButtons.class" 
       codebase="."
       pluginspage="http://java.sun.com/products/plugin/1.2/plugin-install.html">
    <NOEMBED>
    </COMMENT>
       No Java 2 support for APPLET!!
    </NOEMBED></EMBED>
</OBJECT>
<FONT SIZE="+3"><PRE><B>
//: c13:RadioButtons.java
// Using JRadioButtons.
// &lt;applet code=RadioButtons 
// width=200 height=100&gt; &lt;/applet&gt;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import com.bruceeckel.swing.*;

public class RadioButtons extends JApplet {
  JTextField t = new JTextField(15);
  ButtonGroup g = new ButtonGroup();
  JRadioButton 
    rb1 = new JRadioButton("one", false),
    rb2 = new JRadioButton("two", false),
    rb3 = new JRadioButton("three", false);
  ActionListener al = new ActionListener() {
    public void actionPerformed(ActionEvent e) {
      t.setText("Radio button " + 
        ((JRadioButton)e.getSource()).getText());
    }
  };
  public void init() {
    rb1.addActionListener(al);
    rb2.addActionListener(al);
    rb3.addActionListener(al);
    g.add(rb1); g.add(rb2); g.add(rb3);
    t.setEditable(false);
    Container cp = getContentPane();
    cp.setLayout(new FlowLayout());
    cp.add(t); 
    cp.add(rb1); 
    cp.add(rb2); 
    cp.add(rb3); 
  }
  public static void main(String[] args) {
    Console.run(new RadioButtons(), 200, 100);
  }
} ///:~
</B></PRE></FONT></body></html>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -