我也不知道叫什么

太晚了，来不及写知识点了，一切都在代码中

package com.cqvie;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JTextField;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JPasswordField;//一大堆看不懂的包含文件

public class yang extends JFrame {

private JPanel contentPane;
private JTextField txt1;
private JButton btnOk;
private JButton btnNo;
private JPasswordField txt2;//全是那些乱七八糟的方框的名字

/**
* Launch the application.
*/
public static void main(String[] args) {
  EventQueue.invokeLater(new Runnable() {
   public void run() {
    try {
     yang frame = new yang();
     frame.setVisible(true);
    } catch (Exception e) {
     e.printStackTrace();
    }
   }
  });//这是内部类？反正我现在还不懂，它自己生出来的
}

/**
* Create the frame.
*/
public yang() {//这一个函数全是那些方框什么的
  setTitle("\u7528\u6237");
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  setBounds(100, 100, 450, 300);
  contentPane = new JPanel();
  contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
  setContentPane(contentPane);
  contentPane.setLayout(null);

  btnOk = new JButton("ok");
  btnOk.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent arg0) {
   }
  });
  btnOk.addMouseListener(new MouseAdapter() {//实现鼠标什么的......
   @Override
   public void mouseClicked(MouseEvent e) {
    String useName=txt1.getText();
    String password=txt2.getText();
    if(useName.equals("abc")&& (password.equals("123"))){
     btnOk.setText("登陆中.....");
        btnNo.setText("点我取消");

    }
    else if (useName.equals("abc")&& (!password.equals("123"))){
     btnOk.setText("密码错误...");
        btnNo.setText("点我取消");
    }
    else if (!useName.equals("abc")){
     btnOk.setText("不存在该用户...");
        btnNo.setText("点我取消");
    }
    else {
     btnOk.setText("密码错误");
        btnNo.setText("不开心");//判断输入的用户名和密码是否正确
        //     this.useNameTxt.setText("");
     //String useName=this.userNameTxt.getText();
    }
   }
  });
//  btnOk.addMouseListener(new MouseAdapter() {
//   @Override
//   public void mouseClicked(MouseEvent arg0) {
//    btnOk.setText("不要点我");
//    btnNo.setText("点我");
//   }
//  });//这纯属好玩儿嘿嘿
  btnOk.setBounds(149, 157, 93, 23);
  contentPane.add(btnOk);

  btnNo = new JButton("no");

  btnNo.addMouseListener(new MouseAdapter() {
   @Override
   public void mouseClicked(MouseEvent e) {
//    btnNo.setText("哎哟");
//    btnOk.setText("哈哈哈");

//    String useName=txt1.getText();
//    String passWord=txt2.getText();
    txt1.setText("");
    txt2.setText("");//清空那两个文本框（自学的哟   哈哈哈）

   }
  });
  btnNo.setBounds(149, 201, 93, 23);
  contentPane.add(btnNo);

  JLabel lblUserName = new JLabel("\u7528\u6237\u540D\uFF1A");
  lblUserName.setBounds(66, 43, 54, 15);
  contentPane.add(lblUserName);

  JLabel lblPassWord = new JLabel(" \u5BC6\u7801\uFF1A");
  lblPassWord.setBounds(66, 93, 54, 15);
  contentPane.add(lblPassWord);

  txt1 = new JTextField();
  txt1.addMouseListener(new MouseAdapter() {
   @Override
   public void mouseClicked(MouseEvent e) {
   }
  });
  txt1.setBounds(140, 38, 168, 21);
  contentPane.add(txt1);
  txt1.setColumns(10);

  txt2 = new JPasswordField();
  txt2.setBounds(140, 89, 168, 23);
  contentPane.add(txt2);//看不了，这些，无法翻译
}
}

架构那个，昨天忘写了，好像都忘记了，明天再写不，好想把视频看完再回寝室啊~~~好不容易这么有感觉，时间不允许咯~~