複製代碼代碼如下:
package test001;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JToolBar;
public class TestJOptionPane implements ActionListener{
private JFrame jf = new JFrame("標準對話方塊測試");
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
new TestJOptionPane().createUI();
}
public void createUI(){
JToolBar jtb = new JToolBar();
String[] s = {"錯誤", "退出確認1", "退出確認2", "警告", "輸入", "選擇"};
int size = s.length;
JButton[] button = new JButton[size];
for(int i = 0; i < size; i++){
button[i] = new JButton(s[i]);
button[i].addActionListener(this);
jtb.add(button[i]);
}
jf.add(jtb, "North");
jf.setSize(350, 150);
jf.setLocation(400, 200);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
String s = e.getActionCommand();
if(s.equals("錯誤")){
JOptionPane.showMessageDialog(null, "要顯示的錯誤訊息---",
"錯誤提示",JOptionPane.ERROR_MESSAGE);
}
else if(s.equals("退出確認1")){
int result = JOptionPane.showConfirmDialog(null,
"推出前是否儲存程式？");
if(result == JOptionPane.YES_OPTION){
System.out.println("儲存程式---");
System.exit(0);
}
else if(result == JOptionPane.NO_OPTION){
System.exit(0);
}
}
else if(s.equals("退出確認2")){
int result = JOptionPane.showConfirmDialog(null, "退出前是否保存程式？");
if(result == JOptionPane.YES_OPTION){
System.out.println("儲存程式---");
System.exit(0);
}
else if(result == JOptionPane.NO_OPTION){
System.exit(0);
}
}
else if(s.equals("警告")){
Object[] options = {"繼續", "撤銷"};
int result = JOptionPane.showOptionDialog(null,
"本操作可能導致資料遺失","Warning", JOptionPane.DEFAULT_OPTION,
JOptionPane.WARNING_MESSAGE, null, options, options[0]);
if(result == 0){
System.out.println("繼續操作---");
}
}
else if(s.equals("輸入")){
String name = JOptionPane.showInputDialog("請輸入您的姓名：");
if(name != null){
System.out.println("姓名：" + name);
}
}
else if(s.equals("選擇")){
Object[] possibleValues = {"體育", "政治", "經濟", "文化"};
Object selectedValue = JOptionPane.showInputDialog(null,
"Choose one","Input", JOptionPane.INFORMATION_MESSAGE, null,
possibleValues, possibleValues[0]);
String choose = (String)selectedValue;
if(choose != null){
System.out.println("你選的是："+ choose);
}
}
}
}