☕Java/Java 프로젝트
[20210605] 고객관리시스템 - Swing을 이용한 GUI 프로그램 구현4
캔
2021. 6. 5. 23:24
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.AbstractButton;
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;
import javax.swing.table.DefaultTableModel;
import javax.swing.text.JTextComponent;
public class SwingEx extends JFrame implements ActionListener, WindowListener {
JTabbedPane jtp;
Tab1 tab1;
Tab2 tab2;
Tab3 tab3;
Tab4 tab4;
JButton jb1, jb2, jb3, jb4;
JTextField jtf11, jtf12, jtf13, jtf14, jtf21, jtf22, jtf23, jtf24, jtf31, jtf32, jtf33, jtf34, jtf41, jtf42, jtf43, jtf44;
JTable jt1, jt2, jt3, jt4;
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);
Handler2 hd2 = new Handler2();
jb2.addActionListener(hd2);
Handler3 hd3 = new Handler3();
jb3.addActionListener(hd3);
Handler4 hd4 = new Handler4();
jb4.addActionListener(hd4);
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) {
String name = jtf11.getText().trim();
if (name.equals("")) { //전체 검색
System.out.println(cim.customerInfoList.size());
for(int i=0;i<cim.customerInfoList.size();i++) {
searchAndSetTable(jt1, i, i);
}
jt1.repaint();
} else {
int num = searchByName(name);
if (num!=-1) {
searchAndSetTable(jt1, num, 0);
} else {
System.out.println("검색 결과가 없습니다.");
}
}
}
}
public class Handler2 implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
String name = jtf21.getText().trim();
char gender = jtf22.getText().trim().charAt(0);
if (gender=='M'||gender=='F') {
String email = jtf23.getText().trim();
int birthYear = 0;
try {
birthYear = Integer.parseInt(jtf24.getText().trim());
} catch(Exception ex) {
System.out.println("숫자만 입력해주세요");
}
if(searchByName(name)==-1) {
insert(name, gender, email, birthYear);
searchAndSetTable(jt2, searchByName(name), 0);
} else {
System.out.println("이미 존재하는 고객 이름입니다.");
}
} else {
System.out.println("'M' 또는 'F'을 입력해주세요");
}
}
}
public class Handler3 implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
String name = jtf31.getText().trim();
char gender = jtf32.getText().trim().charAt(0);
String email = jtf33.getText().trim();
int birthYear = 0;
try {
birthYear = Integer.parseInt(jtf34.getText().trim());
} catch(Exception ex) {
System.out.println("숫자만 입력해주세요");
}
if(searchByName(name)!=-1) {
update(name, gender, email, birthYear);
searchAndSetTable(jt3, searchByName(name), 0);
} else {
System.out.println("존재하지 않는 고객 이름입니다.");
}
}
}
public class Handler4 implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
String name = jtf41.getText().trim();
int num = searchByName(name);
if (num!=-1) {
System.out.println(num);
delete(name);
}else {
System.out.println("존재하지 않는 고객 이름입니다.");
}
}
}
public class Tab1 extends JPanel {
public Tab1() {
setLayout(null);
JLabel jl1 = new JLabel("이름");
jtf11 = new JTextField(10);
jb1 = new JButton("확인");
jt1 = new JTable(20, 4);
jl1.setLocation(200, 20);
jl1.setSize(100, 30);
jtf11.setLocation(260, 20);
jtf11.setSize(100, 30);
jb1.setLocation(380, 20);
jb1.setSize(100, 30);
jt1.setLocation(20, 70);
jt1.setSize(600, 320);
add(jl1);
add(jtf11);
add(jb1);
add(jt1);
}
}
public class Tab2 extends JPanel {
public Tab2() {
setLayout(null);
JLabel jl21 = new JLabel("이름");
jtf21 = new JTextField(10);
JLabel jl22 = new JLabel("성별");
jtf22 = new JTextField(10);
JLabel jl23 = new JLabel("이메일");
jtf23 = new JTextField(10);
JLabel jl24 = new JLabel("생년");
jtf24 = new JTextField(10);
jb2 = new JButton("확인");
jt2 = new JTable(20, 4);
jl21.setLocation(20, 20);
jl21.setSize(100, 30);
jtf21.setLocation(50, 20);
jtf21.setSize(70, 30);
jl22.setLocation(125, 20);
jl22.setSize(100, 30);
jtf22.setLocation(155, 20);
jtf22.setSize(70, 30);
jl23.setLocation(230, 20);
jl23.setSize(100, 30);
jtf23.setLocation(270, 20);
jtf23.setSize(100, 30);
jl24.setLocation(375, 20);
jl24.setSize(100, 30);
jtf24.setLocation(405, 20);
jtf24.setSize(70, 30);
jb2.setLocation(520, 20);
jb2.setSize(100, 30);
jt2.setLocation(20, 70);
jt2.setSize(600, 320);
add(jl21);
add(jtf21);
add(jl22);
add(jtf22);
add(jl23);
add(jtf23);
add(jl24);
add(jtf24);
add(jb2);
add(jt2);
}
}
public class Tab3 extends JPanel {
public Tab3() {
setLayout(null);
JLabel jl31 = new JLabel("이름");
jtf31 = new JTextField(10);
JLabel jl32 = new JLabel("성별");
jtf32 = new JTextField(10);
JLabel jl33 = new JLabel("이메일");
jtf33 = new JTextField(10);
JLabel jl34 = new JLabel("생년");
jtf34 = new JTextField(10);
jb3 = new JButton("확인");
jt3 = new JTable(20, 4);
jl31.setLocation(20, 20);
jl31.setSize(100, 30);
jtf31.setLocation(50, 20);
jtf31.setSize(70, 30);
jl32.setLocation(125, 20);
jl32.setSize(100, 30);
jtf32.setLocation(155, 20);
jtf32.setSize(70, 30);
jl33.setLocation(230, 20);
jl33.setSize(100, 30);
jtf33.setLocation(270, 20);
jtf33.setSize(100, 30);
jl34.setLocation(375, 20);
jl34.setSize(100, 30);
jtf34.setLocation(405, 20);
jtf34.setSize(70, 30);
jb3.setLocation(520, 20);
jb3.setSize(100, 30);
jt3.setLocation(20, 70);
jt3.setSize(600, 320);
add(jl31);
add(jtf31);
add(jl32);
add(jtf32);
add(jl33);
add(jtf33);
add(jl34);
add(jtf34);
add(jb3);
add(jt3);
}
}
public class Tab4 extends JPanel {
public Tab4() {
setLayout(null);
JLabel jl41 = new JLabel("이름");
jtf41 = new JTextField(10);
jb4 = new JButton("확인");
jt4 = new JTable(20, 4);
jl41.setLocation(200, 20);
jl41.setSize(100, 30);
jtf41.setLocation(260, 20);
jtf41.setSize(100, 30);
jb4.setLocation(380, 20);
jb4.setSize(100, 30);
jt4.setLocation(20, 70);
jt4.setSize(600, 320);
add(jl41);
add(jtf41);
add(jb4);
add(jt4);
}
}
@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
}
public int searchByName(String name) {
for(int i=0;i<cim.customerInfoList.size();i++) {
if(name.equals(cim.customerInfoList.get(i).getName())) {
return i;
}
}
return -1;
}
public void searchAndSetTable(JTable jt, int idx, int row) {
CustomerInfo newci = cim.customerInfoList.get(idx);
jt.setValueAt(newci.getName(), row, 0);
jt.setValueAt(newci.getGender(), row, 1);
jt.setValueAt(newci.getEmail(), row, 2);
jt.setValueAt(newci.getBirthYear(), row, 3);
}
public void insert(String name, char gender, String email, int birthYear) {
CustomerInfo newci = new CustomerInfo();
newci.setName(name);
newci.setGender(gender);
newci.setEmail(email);
newci.setBirthYear(birthYear);
cim.customerInfoList.add(newci);
}
public void update(String name, char gender, String email, int birthYear) {
CustomerInfo newci = cim.customerInfoList.get(searchByName(name));
newci.setName(name);
newci.setGender(gender);
newci.setEmail(email);
newci.setBirthYear(birthYear);
}
public void delete(String name) {
cim.customerInfoList.remove(searchByName(name));
}
}