Question

怎样在一个Swing窗体中获得另一个JFrame窗体里的控件？

Answer 1

把另一个JFrame对象设为该Swing窗体的成员变量。
如
import java.awt.HeadlessException;

import javax.swing.JFrame;

/**
* @author wsj
* @date 2010-8-30, 下午03:27:31
*/
public class AFrame extends JFrame{
private BFrame bFrame;//把bFrame设置为该类的成员变量，通过setter方法或构造方法初始化

public void setbFrame(BFrame bFrame) {
this.bFrame = bFrame;
}

private AFrame(BFrame bFrame) throws HeadlessException {
super();
this.bFrame = bFrame;
}

}

class BFrame extends JFrame{

}

Answer 2

public class A exdents JFrame{
private JLable lblName = new JLable("名称");
public JLable getLblName(){
return this.lblName;
}
}
public class B exdents JFrame {
public static void main(String[] args){
A a = new A();
JLable lblName = a.getLblName();
}
}

Answer 3

把空间设置成公共静态的

Answer 4

忆天_sky 正确