?? jcheckboxtest.java
字號:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JCheckBoxTest extends JApplet {
JCheckBox[] checkBoxes = new JCheckBox[] {
new JCheckBox(),
new JCheckBox("馬上送貨!"),
new JCheckBox("家電",true),
new JCheckBox(new ImageIcon("cellphone1.gif")),
new JCheckBox(new ImageIcon("v8.gif"), false),
new JCheckBox("主機",new ImageIcon("pc.gif")),
new JCheckBox("磁盤",new ImageIcon("disk.gif"), true)
};
public void init(){
//this.getContentPane().setLayout(new GridLayout(4,2,5,5));
this.getContentPane().setLayout(new FlowLayout());
for(int i=0; i < checkBoxes.length; ++i) {
checkBoxes[i].setBorderPainted(true);
this.getContentPane().add(checkBoxes[i]);
checkBoxes[i].addItemListener(new itemListener());
}
this.resize(300,200);
}
class itemListener implements ItemListener {
public void itemStateChanged(ItemEvent event) {
int totality=0;
for(int i=0; i < checkBoxes.length; ++i) {
if (checkBoxes[i].isSelected()){ totality++;}
}
showStatus("您共選了:"+totality+" 項");
}
}
}
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