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import java.awt.event.*;
import java.io.*;
import java.awt.*;
import javax.swing.*;
class Members extends JFrame implements ActionListener{
JPanel panel;
JLabel lblid, lblpw, lblname, lblemail, lbladdr;
JButton b1, b2;
JTextField txtid, txtpw, txtname, txtemail, txtaddr;
Members(){
setTitle("회원가입");
setSize(300, 150);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel = new JPanel();
panel.setLayout(new GridLayout(0, 2));
lblid = new JLabel("ID");
lblpw = new JLabel("PW");
lblname = new JLabel("NAME");
lblemail = new JLabel("EMAIL");
lbladdr = new JLabel("ADDR");
txtid = new JTextField(10);
txtpw = new JTextField(10);
txtname = new JTextField(10);
txtemail = new JTextField(20);
txtaddr = new JTextField(30);
b1 = new JButton("가입");
b2 = new JButton("취소");
panel.add(lblid);
panel.add(txtid);
panel.add(lblpw);
panel.add(txtpw);
panel.add(lblname);
panel.add(txtname);
panel.add(lblemail);
panel.add(txtemail);
panel.add(lbladdr);
panel.add(txtaddr);
panel.add(b1);
panel.add(b2);
add(panel);
b1.addActionListener(this);
b2.addActionListener(this);
setVisible(true);
}
public void actionPerformed(ActionEvent e) {
try{
String s = null;
boolean isOk = false;
BufferedWriter bw = new BufferedWriter(new FileWriter("members.txt", true));
BufferedReader br = new BufferedReader(new FileReader("members.txt"));
if(e.getSource() == b1) {
while((s = br.readLine()) != null) {
// 아이디 중복
String[] array = s.split("/");
if(array[0].equals(txtid.getText())){
isOk = true;
break;
}
}
//정보 입력시 중복이 없으면 데이터 보냄
if(!isOk) {
bw.write(txtid.getText() + "/");
bw.write(txtpw.getText() + "/");
bw.write(txtname.getText() + "/");
bw.write(txtemail.getText() + "/");
bw.write(txtaddr.getText() + "\r\n");
bw.close();
JOptionPane.showMessageDialog(null, "회원가입을 축하합니다.");
dispose();
}else {
JOptionPane.showMessageDialog(null, "회원가입에 실패하였습니다.");
}
}else if(e.getSource() == b2) {
txtid.setText("");
txtpw.setText("");
txtname.setText("");
txtemail.setText("");
txtaddr.setText("");
}
}catch (IOException ex){
JOptionPane.showMessageDialog(null, "실패");
}
}
public static void main(String[] args) {
new Members();
}
}
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