实训二--博客二

一、队员学号： 16012113 孙宁君 （组长） 

　　　　　　    16012124 于俊渤

　　　　　　    16012111 周帅 　　　　　 

　　　　　　    16012108 于谦 　　　　

      GIT地址：https://gitee.com/snjsnjsnj/codes/7a3wzi2poekyuntg1lvxh33

二、过程性照片

三、贡献分

     孙宁君 ：9

　于俊渤 ：10

　 周帅  ：7

    于谦  ：8

四、运行照片

　

 

代码：

mport java.awt.*;

import java.awt.event.*;

public class TestDialog implements ActionListener{

private Label info;

private Dialog loginDialog;

private Dialog quitDialog;

private TextField tf_name;

private TextField tf_psw;

public static void main( String args[]) {

new TestDialog().init();

}

 

public void init(){

Frame f = new Frame("注册窗口");

Button login = new Button("登录");

Button regist = new Button("注册");

Button help = new Button("帮助");

Button exit = new Button("退出");

Panel p = new Panel();

p.setLayout(new GridLayout(1,4));

p.add(login);

p.add(regist);

p.add(help);

p.add(exit);

info = new Label("您尚未登录");

f.add(p,"North");

f.add(info,"Center");

 

login.addActionListener(this);

exit.addActionListener(this);

f.addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent e){

TestDialog.this.quit();

}

});  

f.setSize(500,350);

f.setLocation(450,200);

f.setVisible( true);

loginDialog = this.createLoginDialog(f);

quitDialog = this.createQuitDialog(f);

}

 

public Dialog createLoginDialog(Frame f){

Dialog d = new Dialog(f,"登录对话框",true);

Label note = new Label("请输入注册信息");

 

Panel pa = new Panel();

pa.setLayout(new GridLayout(2,1));

pa.add(new Label("用户名:"));

pa.add(new Label("密  码:"));

 

Panel pc = new Panel();

pc.setLayout(new GridLayout(2,1));

tf_name = new TextField();

tf_psw = new TextField();

tf_psw.setEchoChar('*');

pc.add(tf_name);

pc.add(tf_psw);

 

Panel pb = new Panel();

pb.setLayout(new GridLayout(1,2));

Button submit = new Button("提交");

Button cancel = new Button("取消");

submit.setActionCommand("submitLogin");

cancel.setActionCommand("cancelLogin");

submit.addActionListener(this);

cancel.addActionListener(this);

pb.add(submit);

pb.add(cancel);

 

d.add(note,"North");

d.add(pa,"West");

d.add(pc,"Center");

d.add(pb,"South");

d.setSize(400,120);

d.setLocation(400,200);

return d;

}

 

public Dialog createQuitDialog(Frame f){

Dialog d = new Dialog(f,"确认退出对话框",true);

Label note = new Label("您确定要退出程序吗？");

Panel p = new Panel();

//p.setLayout(new GridLayout(1,2));

Button confirm = new Button("确定");

Button cancel = new Button("取消");

confirm.setActionCommand("confirmQuit");

cancel.setActionCommand("cancelQuit");

confirm.addActionListener(this);

cancel.addActionListener(this);

p.add(confirm);

p.add(cancel);

d.setSize(160,120);

d.setLocation(400,200);

d.add(note,"Center");

d.add(p,"South");

return d;

}

 

public void actionPerformed(ActionEvent e){

String s = e.getActionCommand();

if(s.equals("登录")){

loginDialog.setVisible(true);

 

}else if(s.equals("退出")){

this.quit();

}else if(s.equals("confirmQuit")){

System.exit(0);

}else if(s.equals("cancelQuit")){

quitDialog.setVisible(false);

}else if(s.equals("submitLogin")){

String name = tf_name.getText();

String password = tf_psw.getText();

if(name!=null &&  password!=null ){

info.setText("欢迎您: " + name + " 用户");

}else{

info.setText("验证失败，错误的用户名/密码!");

}

loginDialog.setVisible(false);

}else if(s.equals("cancelLogin")){

loginDialog.setVisible(false);

}

}

public void quit(){

quitDialog.setVisible(true);

}

}