边界布局管理器

    xiaoxiao2024-12-20  2

    import java.awt.*; import javax.swing.*; public class L5_4 extends JFrame{ JButton[] an={null,null,null,null,null,null,null,null}; public static void main(String[] args){ L5_4 lx=new L5_4(); } public L5_4(){ an[0]=new JButton("话梅"); an[1]=new JButton("果脯"); an[2]=new JButton("薯片"); an[3]=new JButton("饼干"); an[4]=new JButton("巧克力"); an[5]=new JButton("腰果"); an[6]=new JButton("锅巴"); an[7]=new JButton("开心果"); //由于java默认的是边界布局管理器,所以要添加布局管理器 this.setLayout(new FlowLayout());//默认的是居中 //this.setLayout(new FlowLayout(FlowLayout.LEFT)); //居左 //this.setLayout(new FlowLayout(FlowLayout.RIGHT));//居右 this.add(an[0]); this.add(an[1]); this.add(an[2]); this.add(an[3]); this.add(an[4]); this.add(an[5]); this.add(an[6]); this.add(an[7]); this.setTitle("流式布局FlowLayout"); this.setSize(380,120); this.setLocation(200,200); //this.setResizable(false);//固定布局 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); } }
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