java编程中我想用显示密码把密码显示出来了然而登录却有错 求解 急用 （我想了一天实在没法了）

Question

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class weixin extends JFrame implements ActionListener {

JPanel panmain;                  //面板
JLabel lblname,lblpassword,lblphoto;      //标签
JLabel first,second,three;
JButton btnlogin;                //按钮
JTextField txtname;             // 单行文本框
JTextField txtpassword;          //单行文本框
JPasswordField pwdpassword;      //密码框
JCheckBox chkbold;               //复选框
Dimension dsSize;
Toolkit toolkit=Toolkit.getDefaultToolkit();
public weixin(){
    super("登录微信");
    panmain =new JPanel();                  //实例化面板       
    this.getContentPane().add(panmain);

    lblname=new JLabel("账号：");        
    txtname=new JTextField(18);          //实例化长度为18的文本框对象
    lblpassword=new JLabel("密码：");
    txtpassword=new JTextField(18);

    pwdpassword=new JPasswordField(18);  //实例化长度为18的文本框对象
    chkbold=new JCheckBox("显示密码");
    btnlogin=new JButton("登录");
    first=new JLabel("忘记密码？");
    second=new JLabel("创建新账号");
    three=new JLabel("切换接入点？");


   // Font fontstr=new Font("宋体",Font.PLAIN,12);
  //  lblname.setFont(fontstr);


  //  lblname.setForeground(Color.GREEN); 
   // lblpassword.setForeground(Color.GREEN); 
    btnlogin.setBackground(Color.GREEN);     //设置按钮颜色为绿色

    panmain.setLayout(null);                  //空布局
    lblname.setBounds(6,50,400,25);           //对‘账号’实行空布局
    txtname.setBounds(40,50,210,25);          // 对文本框实行空布局
    lblpassword.setBounds(6,80,500,25);       //对’密码‘实行空布局
    pwdpassword.setBounds(40,80,210,25);      //对密码文本框实行空布局
    txtpassword.setBounds(40,80,210,25);
    chkbold.setBounds(5,116,80,25);           //对复选框实行空布局
    btnlogin.setBounds(150,120,99,25);        //对按钮实行空布局

    first.setBounds(6,160,600,25);
    second.setBounds(6,190,700,25);
    three.setBounds(6,220,800,25);




  //pwdpassword=new JPasswordField();
  //panmain.setToolTipText("登录到服务器");

   // lblphoto=new JLabel();    //添加主面板背景（方法1）
   //  Image image1=new ImageIcon("./src/weixin1.jpg").getImage();
   // lblphoto.setIcon(new ImageIcon(image1));

    //panmain.setBackground(Color.black);
      Icon logol=new ImageIcon("./src/weixin1.jpg");   // //添加主面板背景（方法2）
      lblphoto=new JLabel(logol);
      lblphoto.setBounds(0,0,266,394);
      panmain.add(lblphoto);
      chkbold.addActionListener(this);
      txtpassword.addActionListener(this);
      // panmain.add(lblname);           //添加标签‘账号’到主面板
       // panmain.add(lblpassword);      //添加标签‘密码’到主面板
        //panmain.add(txtname);          //添加单行文本框到主面板
        //panmain.add(pwdpassword);      //添加密码框到主面板
        //panmain.add(chkbold);         //添加复选框到主面板
        //panmain.add(btnlogin);        //添加按钮到主面板

  // lblname.setFont (fontstr);   
    lblphoto.add(lblname);
    lblphoto.add(lblpassword);
    lblphoto.add(txtname);
    lblphoto.add(pwdpassword);
    lblphoto.add(chkbold);
    lblphoto.add(btnlogin);
    lblphoto.add(first);
    lblphoto.add(second);
    lblphoto.add(three);
    lblphoto.add(txtpassword);

    setContentPane(lblphoto);
    setSize(266,400);
    setVisible(true);
    setResizable(false);

    dsSize=toolkit.getScreenSize();
    //this.setDefaultCloseOperation(EXIT_ON_CLOSE);
    setLocation(dsSize.width/2-this.getWidth()/2,
    dsSize.height/2-this.getHeight()/2);
    Image img=toolkit.getImage("./src/1.jpg");
    setIconImage(img);

            }
public static void main(String args[]) {
   new weixin();

}
   public void actionPerformed1(ActionEvent ae)
            {        
            if(ae.getSource()==btnlogin){
                    if(pwdpassword.getText().equals("admin")) && (pwdpassword.getText().equals("admin")))
                JOptionPane.showMessageDialog(null,"用户登录成功");
                    else
                        JOptionPane.showMessageDialog(null,"用户名或密码错误");                             
                  }     
                }

        }

Answer 1

一般是 两个 输入框 一个输入框不显示秘密 一个输入框 显示秘密 点击按钮之后 这两个框 切换显示 并交换数据