기존의 CustomerInfo.java와 CustomerInfo.java를 사용하는 자바 swing 프로그램입니다.
package cms;
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Dimension;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.LayoutManager;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Scanner;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.JTextField;
public class SwingEx extends JFrame implements ActionListener, WindowListener {
JTabbedPane jtp;
Tab1 tab1;
Tab2 tab2;
Tab3 tab3;
Tab4 tab4;
JButton jb1;
JTextField jtf1;
JTable jt1;
static Scanner sc = new Scanner(System.in);
static int index = -1;
static CustomerInfoManager cim = new CustomerInfoManager();
SwingEx(String title){
super(title);
setLocation(400, 0);
setSize(660, 500);
setVisible(true);
setLayout(new BorderLayout());
this.addWindowListener(this);
jtp = new JTabbedPane();
tab1 = new Tab1();
tab2 = new Tab2();
tab3 = new Tab3();
tab4 = new Tab4();
jtp.addTab("조회", tab1);
jtp.addTab("추가", tab2);
jtp.addTab("갱신", tab3);
jtp.addTab("삭제" , tab4);
add(jtp);
Handler1 hd1 = new Handler1();
jb1.addActionListener(hd1);
revalidate();
}
public static void main(String[] args) throws Exception {
File file2 = new File(System.getenv("USERPROFILE")+"\\Desktop\\result2.txt");
if(file2.exists()) {
System.out.println(System.getenv("USERPROFILE")+"\\Desktop\\result2.txt");
FileInputStream fis = new FileInputStream(file2);
ObjectInputStream ois = new ObjectInputStream(fis);
cim.customerInfoList = (ArrayList) ois.readObject();
}
new SwingEx("고객 관리 시스템");
}
public class Handler1 implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
System.out.println("버튼 눌림");
String query = jtf1.getText();
cim.customerInfoList.get(0);
String[][] contents;
int n = 0;
for (int i=0; i<cim.customerInfoList.size();i++) {
if(cim.customerInfoList.get(i).getName().equals(query)) {
jt1.setValueAt(cim.customerInfoList.get(i).getName().toString(), n, 0);
jt1.setValueAt(cim.customerInfoList.get(i).getGender(), n, 1);
jt1.setValueAt(cim.customerInfoList.get(i).getEmail().toString(), n, 2);
jt1.setValueAt(cim.customerInfoList.get(i).getBirthYear(), n, 3);
n++;
}
}
}
}
public class Tab1 extends JPanel {
public Tab1() {
setLayout(null);
JLabel jl1 = new JLabel("이름");
jtf1 = new JTextField(10);
jb1 = new JButton("확인");
jt1 = new JTable(20, 4);
jl1.setLocation(200, 20);
jl1.setSize(100, 30);
jtf1.setLocation(260, 20);
jtf1.setSize(100, 30);
jb1.setLocation(380, 20);
jb1.setSize(100, 30);
jt1.setLocation(20, 70);
jt1.setSize(600, 320);
add(jl1);
add(jtf1);
add(jb1);
add(jt1);
}
}
public class Tab2 extends JPanel {
public Tab2() {
setLayout(new GridBagLayout());
JLabel jl1 = new JLabel("이름");
JTextField jtf1 = new JTextField(10);
JButton jb1 = new JButton("확인");
JTable jt1 = new JTable(10, 4);
add(jl1);
add(jtf1);
add(jb1);
add(jt1);
}
}
public class Tab3 extends JPanel {
public Tab3() {
setLayout(new GridBagLayout());
JLabel jl1 = new JLabel("이름");
JTextField jtf1 = new JTextField(10);
JButton jb1 = new JButton("확인");
JTable jt1 = new JTable(10, 4);
add(jl1);
add(jtf1);
add(jb1);
add(jt1);
}
}
public class Tab4 extends JPanel {
public Tab4() {
setLayout(new GridBagLayout());
JLabel jl1 = new JLabel("이름");
JTextField jtf1 = new JTextField(10);
JButton jb1 = new JButton("확인");
JTable jt1 = new JTable(10, 4);
add(jl1);
add(jtf1);
add(jb1);
add(jt1);
}
}
@Override
public void windowOpened(WindowEvent e) {
// TODO Auto-generated method stub
}
@Override
public void windowClosing(WindowEvent e) {
try {
/*
ArrayList<CustomerInfo> al = cim.customerInfoList;
System.out.println(al.size());
FileWriter fw = new FileWriter(new File(System.getenv("USERPROFILE")+"\\Desktop\\result.txt"));
BufferedWriter bw = new BufferedWriter(fw);
for (int i=0;i<al.size();i++) {
bw.write(al.get(i).getName()+","+al.get(i).getGender()+","+al.get(i).getEmail()+","+al.get(i).getBirthYear()+"\r\n");
}
bw.flush();
bw.close();
*/
FileOutputStream fos = new FileOutputStream(new File(System.getenv("USERPROFILE")+"\\Desktop\\result2.txt"));
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(cim.customerInfoList);
fos.flush();
fos.close();
oos.close();
} catch(Exception ex) {
System.exit(-1);
}
System.exit(0);
}
@Override
public void windowClosed(WindowEvent e) {
}
@Override
public void windowIconified(WindowEvent e) {
// TODO Auto-generated method stub
}
@Override
public void windowDeiconified(WindowEvent e) {
// TODO Auto-generated method stub
}
@Override
public void windowActivated(WindowEvent e) {
// TODO Auto-generated method stub
}
@Override
public void windowDeactivated(WindowEvent e) {
// TODO Auto-generated method stub
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
}
}
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[20210601] 고객관리시스템 파일 저장 기능 구현 - CustomerInfo.java (0) | 2021.06.01 |