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package cn.itcast.regedit;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashSet;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import cn.itcast.tools.GUITools;
/*
* 注册页面
*/
public class RegistFrame extends JFrame {
public JLabel registLabel1 = new JLabel("Sign Up"); // 注册标签1
public JLabel registLabel2 = new JLabel("It's free and always will be."); // 注册标签2
public JLabel userNameLabel = new JLabel("用户名"); // 用户名标签
public JTextField userNameField = new JTextField(); // 用户名文本框
public JLabel passwordLabel = new JLabel("密码"); // 密码标签
public JPasswordField passwordField = new JPasswordField(); // 密码文本框
public JLabel rePasswordLabel = new JLabel("重复密码"); // 重复密码标签
public JPasswordField rePasswordField = new JPasswordField(); // 重复密码文本框
public JLabel birthdayLabel = new JLabel("出生日期"); // 生日标签
public JComboBox<String> yearField = new JComboBox<String>(); // 年份选择框
public JComboBox<String> monthField = new JComboBox<String>(); // 月份选择框
public JComboBox<String> dayField = new JComboBox<String>(); // 日期选择框
public JButton registBtn = new JButton("注\t册");// 注册按钮
public JButton resetBtn = new JButton("重\t置");// 重置按钮
HashSet<User> date = new HashSet<User>();
public RegistFrame() {
initDate();
init(); // 初始化窗口
addComponent(); // 添加组件
addlistener(); // 事件加载
}
private void initDate(){
date.add(new User("a","1",new Date()));
date.add(new User("b","2",new Date()));
date.add(new User("c","3",new Date()));
}
// 初始化窗口
private void init() {
setTitle("注册");
setSize(600, 360);
GUITools.center(this);
}
private void addComponent() {
// 去除布局
setLayout(null);
// 添加注册标题
registLabel1.setFont(new Font("楷体", Font.BOLD, 20));
registLabel1.setBounds(220, 20, 100, 30);
this.add(registLabel1);
registLabel2.setBounds(185, 50, 200, 20);
this.add(registLabel2);
// 用户名文本框
userNameLabel.setBounds(100, 80, 60, 25);
userNameField.setBounds(160, 80, 120, 25);
this.add(userNameLabel);
this.add(userNameField);
// 密码文本框
passwordLabel.setBounds(100, 110, 60, 25);
passwordField.setBounds(160, 110, 120, 25);
this.add(passwordLabel);
this.add(passwordField);
// 密码文本框
rePasswordLabel.setBounds(290, 110, 60, 25);
rePasswordField.setBounds(350, 110, 120, 25);
this.add(rePasswordLabel);
this.add(rePasswordField);
// 生日
birthdayLabel.setBounds(100, 140, 60, 25);
yearField.setBounds(160, 140, 60, 25);
monthField.setBounds(220, 140, 60, 25);
dayField.setBounds(280, 140, 60, 25);
for (int i = 1900; i <= 2099; i++) {
yearField.addItem(i+"");
}
for (int i = 1; i <= 12; i++) {
monthField.addItem(i+"");
}
for (int i = 1; i <= 31; i++) {
dayField.addItem(i+"");
}
this.add(birthdayLabel);
this.add(yearField);
this.add(monthField);
this.add(dayField);
// 注册按钮
registBtn.setBounds(160, 240, 80, 25);
this.add(registBtn);
}
// 添加监听器(事件加载)
public void addlistener() {
//注册按钮,事件,动作事件ActionListener
registBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
regedit();
} catch (Exception e1) {
e1.printStackTrace();
}
}
});
}
public void regedit()throws Exception{
//获取用户输入的所有数据内容
//用户名
String username = userNameField.getText();
//获取密码
String password = new String(passwordField.getPassword());
//重复密码
String repassword = new String(rePasswordField.getPassword());
//获取生日的,三个下拉菜单 get
String year = yearField.getSelectedItem()+"";//2001
String month = monthField.getSelectedItem()+"";//5
String day = dayField.getSelectedItem()+"";
//判断两次输入的密码,是否相同
//String类方法 equals
if(!password.equals(repassword)){
//密码不同
JOptionPane.showMessageDialog(this, "两次密码不同");
return ;
}
//将字符串转成日期的对象
String dateString = year+"-"+month+"-"+day;
DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
Date birthdayDate = df.parse(dateString);
//用户的数据,用户名,密码,日期,封装成User对象
User u = new User(username,password,birthdayDate);
//判断用户名是否已经存在
//直接将对象,存储到HashSet中,存储成功,用户名没有使用过
//存储失败了,用户名已经被占有
//将User对象,存储到集合中
boolean b = date.add(u);
if(b){
JOptionPane.showMessageDialog(this, "注册成功");
}else{
JOptionPane.showMessageDialog(this, "失败失败,用户名已经被占有");
}
}<div class="blockcode"><blockquote>package cn.itcast.regedit;
public class Test {
public static void main(String[] args) {
new RegistFrame().setVisible(true);
}
}

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