作者popcorny (畢業了..@@")
看板java
標題Re: [問題] 如何在視窗輸入參數後，繼續執行main?
時間Fri Dec 21 16:52:12 2012
發現真的很多人想要在main去拿UI的資料耶...
我隨便寫一個...拿去用用看
https://gist.github.com/4351530
//MyFrame.java
package cc.ptt.popcorny;
import java.awt.BorderLayout;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class MyFrame extends JFrame {
private static final long serialVersionUID = 1L;
private Object lock;
private String result;
private JTextField textField;
public MyFrame()
{
super("this is a test");
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
textField = new JTextField();
getContentPane().add(textField, BorderLayout.CENTER);
pack();
lock = new Object();
addWindowListener(new WindowListener() {
public void windowOpened(WindowEvent e) {}
public void windowIconified(WindowEvent e) {}
public void windowDeiconified(WindowEvent e) {}
public void windowDeactivated(WindowEvent e) {}
public void windowClosing(WindowEvent e) {}
public void windowClosed(WindowEvent e) {
notifyResult(textField.getText());
}
public void windowActivated(WindowEvent e) {}
});
textField.addKeyListener(new KeyListener() {
public void keyTyped(KeyEvent e) {}
public void keyReleased(KeyEvent e) {}
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
if (key == KeyEvent.VK_ENTER) {
dispose();
}
}
});
}
private void notifyResult(String result)
{
this.result = result;
synchronized (lock) {
lock.notify();
}
}
public String waitForResult() throws InterruptedException
{
synchronized (lock) {
lock.wait();
}
return result;
}
/**
* @param args
*/
public static void main(String[] args) throws Exception{
MyFrame frame = new MyFrame();
frame.setVisible(true);
String result = frame.waitForResult();
System.out.println(result);
}
}
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