registerexample1.java

,在Applet中生成一个蓝色的反弹球。该球用一个mousePressed事件初始化。当球碰到Applet边框时,它应该被弹起并...·编写一个JAVA Application程序

import javax.swing.*; 
import java.awt.*; 
import java.awt.event.*; 

public class RegisterExample1 extends JFrame{ 
String information; 
JLabel nameLabel,passwordLabel,pwdcheckLabel,gendarLabel,birthLabel; 
JTextField nameField; 
JPasswordField passwordField,pwdcheckField; 
JRadioButton radio1,radio2; 
ButtonGroup group; 
String birthYear[]={"1975","1976","1977","1978","1979","1980","1981","1982","1983","1984","1985","1986","1987","1988","1989","1990"}; 
JComboBox birthBox1,birthBox2,birthBox3; 
String birthMonth[]={"01","02","03","04","05","06","07","08","09","10","11","12"}; 
String birthDay[]={"01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","26","27","28","29","30","31"}; 
String name="",password="",gendar="",pwdcheck="",birth=""; 
JButton confirmBtn,cancelBtn; 
Container container; 
public RegisterExample1(){ 
super("用户注册示例"); 
container=getContentPane(); 
container.setLayout(new FlowLayout()); 



nameLabel=new JLabel("用户名"); 
nameField=new JTextField(9); 
nameField.addActionListener(new NewActionListener()); 
container.add(nameLabel); 
container.add(nameField); 


passwordLabel=new JLabel("密码"); 
pwdcheckLabel=new JLabel("确认密码"); 
passwordField=new JPasswordField(9); 
pwdcheckField=new JPasswordField(9); 
passwordField.addActionListener(new NewActionListener()); 
pwdcheckField.addActionListener(new NewActionListener()); 
container.add(passwordLabel); 
container.add(passwordField); 
container.add(pwdcheckLabel); 

container.add(pwdcheckField); 


gendarLabel=new JLabel("性别"); 
radio1=new JRadioButton("男"); 
radio2=new JRadioButton("女"); 
radio1.addItemListener(new RadioListener()); 
radio2.addItemListener(new RadioListener()); 
group=new ButtonGroup(); 
group.add(radio1); 
group.add(radio2); 
container.add(gendarLabel); 
container.add(radio1); 
container.add(radio2); 


birthLabel=new JLabel("出生年月"); 
birthBox1=new JComboBox(birthYear); 
birthBox2=new JComboBox(birthMonth); 
birthBox3=new JComboBox(birthDay); 
birthBox1.addItemListener(new ComboListener()); 
birthBox2.addItemListener(new ComboListener()); 
birthBox3.addItemListener(new ComboListener()); 
container.add(birthLabel); 
container.add(birthBox1); 
container.add(birthBox2); 
container.add(birthBox3); 


confirmBtn=new JButton("确定"); 
cancelBtn=new JButton("取消"); 
confirmBtn.addActionListener(new NewActionListener()); 
cancelBtn.addActionListener(new NewActionListener()); 
container.add(new JLabel(" "));//NEW一个空LABEL将BUTTON撑下来 
container.add(confirmBtn); 
container.add(cancelBtn); 
setSize(480,140); 
setVisible(true); 
} 


class RadioListener implements ItemListener{ 
public void itemStateChanged(ItemEvent e){ 
Object item=e.getItemSelectable(); 
if(item==radio1) gendar=radio1.getLabel(); 
else if(item==radio2) gendar=radio2.getLabel(); 
} 
} 


class ComboListener implements ItemListener{ 
public void itemStateChanged(ItemEvent e){ 


//birth=(String)e.getItem(); //e.getItem()只获取得当前改变的选项的值 
} 
} 


class NewActionListener implements ActionListener{ 
public void actionPerformed(ActionEvent e){ 
if(e.getSource()==confirmBtn){ 
name=nameField.getText(); 
password=passwordField.getText(); 
pwdcheck=pwdcheckField.getText(); 

//检查两次输入密码是否一致 
if(!password.equals(pwdcheck)){ 
JOptionPane.showMessageDialog(container,"你两次输入的密码不一致!"); 
return; 
} 


//通过JCombobox.getSelectedItem()直接获取所选项 
birth=birthBox1.getSelectedItem().toString()+"年"+birthBox2.getSelectedItem().toString()+"月"+birthBox3.getSelectedItem().toString()+ "日"; 

information="姓名: "+name+"\n密码: "+password+"\n性别: "+gendar+"\n出生年月: "+birth; 
JOptionPane.showMessageDialog(null,information); 
} 
else if(e.getSource()==nameField){ 
name+=nameField.getText(); 
} 
else if(e.getSource()==passwordField){ 
password+=passwordField.getText(); 
} 
else if(e.getSource()==pwdcheckField){ 
pwdcheck+=pwdcheckField.getText(); 
} 
else if(e.getSource()==cancelBtn){ 
System.exit(0); 
} 
} 
} 

public static void main(String args[]){ 
RegisterExample1 re=new RegisterExample1(); 
re.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
} 
}