摘要：
public Qua_Main_JFrame() { JPanel jpanel = new JPanel(); this.setContentPane(jpanel); //添加标签组件 GridLayout gird = new GridLayout(3,0); jpanel.setLayout(gird); ImageIcon img = new ImageIcon("src/JMXY.JPG"); JLabel imgLabel = new JLabel(img);//将背景图放在标签里。 this.getLayeredPane().add(imgLabel, ne 阅读全文
