public class Mb extends Applet {public void init() {
FlowLayout flow=new FlowLayout();
add(new Button("OK"));
flow.setAlignment(FlowLayout.LEFT);
flow.setHgap(20);
flow.setVgap(40);
setLayout(flow);
for(int i=1;i<=12;i++)
{
add(new Button("i am "+i));
}
setBackground(Color.BLUE);
setVisible(true);
}
public static void main(String args[]){//是否会调用?
System.out.println("jsdlf");
}}
init函数中为什么不用获取容器内容窗格?
FlowLayout flow=new FlowLayout();
add(new Button("OK"));
flow.setAlignment(FlowLayout.LEFT);
flow.setHgap(20);
flow.setVgap(40);
setLayout(flow);
for(int i=1;i<=12;i++)
{
add(new Button("i am "+i));
}
setBackground(Color.BLUE);
setVisible(true);
}
public static void main(String args[]){//是否会调用?
System.out.println("jsdlf");
}}
init函数中为什么不用获取容器内容窗格?
awt(Applet …) 么有
import javax.swing.*;
public class A extends JApplet {public void init() {
Container c=getContentPane();
FlowLayout flow=new FlowLayout();
c.add(new Button("OK"));//去掉c.变成add(new Button("OK"))为什么在小程序里就没有按钮了?
flow.setAlignment(FlowLayout.LEFT);
flow.setHgap(20);
flow.setVgap(40);
c.setLayout(flow);
for(int i=1;i<=12;i++)
{
c.add(new Button("i am "+i));
}
setBackground(Color.BLUE);
setVisible(true);
}