java练习7.18

package com.event;

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.Color;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class Login {

   public static void main(String[] args) {
       Login log = new Login();
       log.InitUI();
   }


   public void InitUI() {
       final JTextField nametext = new JTextField();
       char keyvaule[] ={' ',};
       KeyListener kl = new KeyListener() {
               //完成一次完整的敲击键盘上某个键的过程(按下和松开)
               @Override
               public void keyTyped(KeyEvent arg0) {


                   // TODO Auto-generated method stub
                   System.out.println("键盘敲击了..arg0 = "+arg0.getKeyChar());
                   System.out.println(nametext.getText());
               }
               //松开键
               @Override
               public void keyReleased(KeyEvent arg0) {
                   // TODO Auto-generated method stub
                   System.out.println("键盘释放了..");
               }
               //按下键时调用。
               @Override
               public void keyPressed(KeyEvent arg0) {
                   // TODO Auto-generated method stub
                   System.out.println("键盘按下了..");
               }
           };

           MouseListener ml = new MouseListener() {

               //在组件上释放鼠标按钮时调用
               @Override
               public void mouseReleased(MouseEvent arg0) {
                   // TODO Auto-generated method stub
                   System.out.println("鼠标释放了..");
               }

               //在组件上按下鼠标按钮时调用。
               @Override
               public void mousePressed(MouseEvent arg0) {
                   // TODO Auto-generated method stub
                   System.out.println("鼠标点下了..");
               }

               //当鼠标退出组件时调用。
               @Override
               public void mouseExited(MouseEvent arg0) {
                   // TODO Auto-generated method stub
                   System.out.println("鼠标退出了..");
               }

               //当鼠标进入组件时调用
               @Override
               public void mouseEntered(MouseEvent arg0) {
                   // TODO Auto-generated method stub
                   System.out.println("鼠标移入了..");
               }

               //在组件上单击（按下并释放）鼠标按钮时调用。
               @Override
               public void mouseClicked(MouseEvent arg0) {
                   // TODO Auto-generated method stub
                   System.out.println("鼠标点击了..");
               }
           };


       JFrame frame = new JFrame();
       frame.getContentPane().setBackground(Color.WHITE);
       frame.setTitle("QQ2018");
       frame.setSize(540, 320);
       frame.setLocationRelativeTo(null);
       // 参数为3时，表示关闭窗口则程序退出
       frame.setDefaultCloseOperation(3);
       FlowLayout f1 = new FlowLayout(FlowLayout.LEFT);
       frame.setLayout(f1);
       ImageIcon imag1 = new ImageIcon("img/bg.jpg");
       JLabel pic1 = new JLabel(imag1);
       pic1.setPreferredSize(new Dimension(540, 100));
       frame.add(pic1);

       JLabel name1 = new JLabel();
       name1.setPreferredSize(new Dimension(110, 30));
       frame.add(name1);

       JLabel name = new JLabel("账号：");
       frame.add(name);

       nametext.addKeyListener(kl);
       nametext.setPreferredSize(new Dimension(220, 30));
       frame.add(nametext);

       JLabel name2 = new JLabel();
       name2.setPreferredSize(new Dimension(110, 30));
       frame.add(name2);

       JLabel name3 = new JLabel();
       name3.setPreferredSize(new Dimension(110, 30));
       frame.add(name3);

       JLabel password = new JLabel("密码：");
       frame.add(password);

       JPasswordField passwordtext = new JPasswordField();
       passwordtext.setPreferredSize(new Dimension(220, 30));
       frame.add(passwordtext);

       JLabel name4 = new JLabel();
       name4.setPreferredSize(new Dimension(110, 30));
       frame.add(name4);

       JLabel name5 = new JLabel();
       name5.setPreferredSize(new Dimension(110, 30));
       frame.add(name5);

       JCheckBox name6 = new JCheckBox("自动登陆 ");
       frame.add(name6);

       JCheckBox name7 = new JCheckBox("记住密码 ");
       frame.add(name7);

       JLabel name8 = new JLabel("找回密码");
       frame.add(name8);

       JLabel name9 = new JLabel();
       name9.setPreferredSize(new Dimension(110, 30));
       frame.add(name9);

       JLabel name10 = new JLabel();
       name10.setPreferredSize(new Dimension(110, 30));
       frame.add(name10);

ActionListener al = new ActionListener() {

           @Override
           public void actionPerformed(ActionEvent arg0) {
               // TODO Auto-generated method stub
               System.out.println("正在登陆");

           }
       };
       // JButton创建一个可点击的按钮，按钮上可显示文本图片
       JButton bu = new JButton("登录");
       bu.addActionListener(al);
       bu.addMouseListener(ml);
       bu.setPreferredSize(new Dimension(265, 30));
       bu.setBackground(Color.CYAN);
       frame.add(bu);

       JLabel name12 = new JLabel();
       name12.setPreferredSize(new Dimension(110, 30));
       frame.add(name12);

       JLabel name11 = new JLabel("注册账号");
       frame.add(name11);

       // 设置窗口可见，此句一定要在窗口属性设置好了之后才能添加，不然无法正常显示
       frame.setVisible(true);
   }

}

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