如何在不更改背景的情况下,更改输入框位置


import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
public class weixin extends JFrame implements ActionListener{
    JLabel jl1,jl2,jl3;
    JLabel label;
    JTextField jtf;
    JPasswordField jpf;
    JButton jb1,jb2;
    ImageIcon background;
    JPanel jp1,jp2,jp3,jp4;
    JPanel myPanel;        
    
    public weixin(){
        
        
        
        
        jl1=new JLabel("账号:");
        jl2=new JLabel("密码:");

        jtf=new JTextField(16);
        jpf=new JPasswordField(16);
        jb1=new JButton("登录");
        jb2=new JButton("取消");
    
        
        jp1=new JPanel();
        jp2=new JPanel();
        jp3=new JPanel();

        
        background = new ImageIcon("images/1.jpg");    
        label = new JLabel(background);        
        label.setBounds(0, 0, background.getIconWidth(), background.getIconHeight());    
        myPanel = (JPanel)this.getContentPane();        
        myPanel.setOpaque(false);                    
        myPanel.setLayout(new FlowLayout());        
        this.getLayeredPane().setLayout(null);        
        
        jp1.add(jl1);
        jp1.add(jtf);
        jp2.add(jl2);
        jp2.add(jpf);
        jp3.add(jb1);
        jp3.add(jb2);

        

        this.add(jp1);
        this.add(jp2);
         this.add(jp3);
        
        
        this.getLayeredPane().add(label, new Integer(Integer.MIN_VALUE));        
        

        jb1.addActionListener(this);
        jb2.addActionListener(this);

        
        this.setTitle("登录界面");
        this.setSize(692,1227);
        this.setLocation(300,300);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setVisible(true);
        
    }
public static void main(String[] args) {
    new weixin();
}
@Override
public void actionPerformed(ActionEvent e) {

    if(e.getSource()==jb1) {
        String name="123456";
        String psw="111111";
        
        String j1=jtf.getText();
        String p1=jpf.getText();
        
        if(name.equals(j1)&&psw.equals(p1)) {
            JOptionPane.showMessageDialog(this, "登陆成功");
            
        }else {
            JOptionPane.showMessageDialog(this, "登陆失败");
        }
        
    }else if(e.getSource()==jb2) {
        this.setVisible(false);
        
    
        
    }
    
}
}
class test extends JPanel{
    
}


```java

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/456531144836192.PNG "#left")


img

组件都是可以设置相对位置。