程式碼 :
import java.awt.Color;
import java.io.*;
import java.util.*;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/**
*
* @author user
*/
public class DataCollect extends javax.swing.JFrame {
static List<Commodity> o = new ArrayList<Commodity>();
static List<String> Mod = new ArrayList();
Sio sio = new Sio();
static ADD obj = new ADD();
static int i ;
/**
* Creates new form DataCollect
*/
/*public void OutSio(){
for(Commodity c : o){
jComboBox1.addItem(c.name);
sio.jTextField1.setText(c.name);
sio.jTextField4.setText(c.ID);
sio.jTextField2.setText(c.price.toString());
sio.jTextField3.setText(c.unit);
sio.jTextField5.setText(c.count.toString());
sio.jLabel8.setText(c.toString());
}
}*/
public DataCollect() throws IOException {
initComponents();
//讀取 與 匯入名稱至ComboBox1
Read();
for(Commodity c : o) {jComboBox1.addItem(c.name);}
// 事件
obj.jButton1.addActionListener(new java.awt.event.ActionListener() {//第一筆添加沒有問題，但第二次添加會跑出兩次視窗和添加了2次，之後再添加依此類推
public void actionPerformed(java.awt.event.ActionEvent evt) {
try {
int close = JOptionPane.showConfirmDialog(
JOptionPane.getRootFrame(),
"確定要儲存嗎？",
"警告",
JOptionPane.YES_NO_OPTION,
JOptionPane.WARNING_MESSAGE);
if (close == JOptionPane.YES_OPTION)
add(); //經過確認後才進行資料添加
obj.dispose();
} catch (IOException ex) {
Logger.getLogger(DataCollect.class.getName()).log(Level.SEVERE, null, ex);
}
}
});
//------------------------
sio.jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
try {
o.get(i).name = sio.jTextField1.getText();
jComboBox1.removeItemAt(i);
jComboBox1.addItem( o.get(i).name);
o.get(i).ID = sio.jTextField4.getText();
o.get(i).price = Integer.parseInt(sio.jTextField2.getText());
o.get(i).unit = sio.jTextField3.getText();
o.get(i).count = Integer.parseInt(sio.jTextField5.getText());write();i =0;
} catch (IOException ex) {
Logger.getLogger(DataCollect.class.getName()).log(Level.SEVERE, null, ex);
}
}
});
//------------------------------
sio.jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
int close = JOptionPane.showConfirmDialog(
JOptionPane.getRootFrame(),
"確定要刪除嗎？",
"警告",
JOptionPane.YES_NO_OPTION,
JOptionPane.WARNING_MESSAGE);
if (close == JOptionPane.YES_OPTION){
try {
jComboBox1.removeItemAt(i);
o.remove(i);write();i =0;sio.dispose();
} catch (IOException ex) {
Logger.getLogger(DataCollect.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
});
}
void Read() throws IOException{
File data = new File("SHOP/列表.txt");
if(data.exists()){//檢查是否存在
BufferedReader Data = new BufferedReader(new InputStreamReader(new FileInputStream("SHOP/列表.txt"),"big5"));
String inData;
int i = 0;
while((inData = Data.readLine()) != null){
Scanner s = new Scanner(inData ).useDelimiter("\t");
o.add(new Commodity());
o.get(i).name = s.next();
o.get(i).ID = s.next();
o.get(i).price = s.nextInt();
o.get(i).unit = s.next();
o.get(i).count= s.nextInt();
o.get(i).time = s.next();
i++;
}
Data.close();
}else{
// out.println("*******請開始建立資料*******");
File data2 = new File("SHOP");
data2.mkdirs();
}
// Collections.sort(o);
}
//------------------------------------------------
void add() throws IOException{ //添加資料方法 o.add(new Commodity()); 加入集合後，Mod.add(o.get(o.size()-1).name);檢查確實有出來 ，但經過write方法 顯示o集合內沒有值
o.add(new Commodity());
o.get(o.size()-1).name = obj.jTextField1.getText();
//out.print("請輸入編號:");
if(!obj.jTextField4.getText().isEmpty())
o.get(o.size()-1).ID = obj.jTextField4.getText();
else
o.get(o.size()-1).ID = "xxx";
//out.print("請輸入價格:");
if(!obj.jTextField2.getText().isEmpty()&&obj.jTextField2.getText().matches("\\d*"))
o.get(o.size()-1).price = Integer.parseInt(obj.jTextField2.getText());
else
o.get(o.size()-1).price = 0;
//out.print("請輸入單位:");
if(!obj.jTextField3.getText().isEmpty())
o.get(o.size()-1).unit = obj.jTextField3.getText();
else
o.get(o.size()-1).unit = "xxx";
//out.print("請輸入數量:");
if(!obj.jTextField5.getText().isEmpty()&&obj.jTextField5.getText().matches("\\d*"))
o.get(o.size()-1).count= Integer.parseInt(obj.jTextField5.getText());
else
o.get(o.size()-1).count = 0;
//out.println("添加完畢");
//Collections.sort(o);
Mod.add(o.get(o.size()-1).name);
jComboBox1.addItem(o.get(o.size()-1).name);
// obj.setVisible(true);
write();
}
//-------------------------------------------------
static void write() throws IOException{
BufferedWriter Data = new BufferedWriter(new FileWriter("SHOP/列表.txt"));
for(Commodity c : o){
Data.write(c.name+"\t");
Data.write(c.ID+"\t");
Data.write(c.price+"\t");
Data.write(c.unit+"\t");
Data.write(c.count+"\t");
Data.write(c.time+"\r\n");//txt要+\r\n 不然無法換行 %也是
}
Data.close();
//out.println("Finsh @ ***");
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
buttonGroup1 = new javax.swing.ButtonGroup();
jRadioButton1 = new javax.swing.JRadioButton();
jRadioButton2 = new javax.swing.JRadioButton();
jPanel2 = new javax.swing.JPanel();
jButton1 = new javax.swing.JButton();
jComboBox1 = new javax.swing.JComboBox<>();
jButton3 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jPanel1 = new javax.swing.JPanel();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jLabel4 = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setBackground(new java.awt.Color(255, 255, 255));
setMinimumSize(new java.awt.Dimension(681, 443));
getContentPane().setLayout(null);
buttonGroup1.add(jRadioButton1);
jRadioButton1.setFont(new java.awt.Font("標楷體", 0, 24)); // NOI18N
jRadioButton1.setForeground(new java.awt.Color(255, 51, 0));
jRadioButton1.setText(" $");
jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton1ActionPerformed(evt);
}
});
getContentPane().add(jRadioButton1);
jRadioButton1.setBounds(345, 291, 49, 39);
buttonGroup1.add(jRadioButton2);
jRadioButton2.setFont(new java.awt.Font("標楷體", 0, 18)); // NOI18N
jRadioButton2.setForeground(new java.awt.Color(0, 0, 204));
jRadioButton2.setText("數量");
jRadioButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton2ActionPerformed(evt);
}
});
getContentPane().add(jRadioButton2);
jRadioButton2.setBounds(345, 250, 61, 31);
jPanel2.setBackground(new java.awt.Color(51, 204, 255));
jPanel2.setLayout(null);
jButton1.setFont(new java.awt.Font("標楷體", 0, 24)); // NOI18N
jButton1.setText("添加");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jPanel2.add(jButton1);
jButton1.setBounds(32, 107, 157, 35);
jComboBox1.setFont(new java.awt.Font("標楷體", 0, 18)); // NOI18N
jPanel2.add(jComboBox1);
jComboBox1.setBounds(32, 46, 157, 43);
jButton3.setFont(new java.awt.Font("標楷體", 0, 24)); // NOI18N
jButton3.setText("查看");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
jPanel2.add(jButton3);
jButton3.setBounds(32, 176, 157, 39);
jButton2.setFont(new java.awt.Font("標楷體", 0, 24)); // NOI18N
jButton2.setText("中文");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jPanel2.add(jButton2);
jButton2.setBounds(30, 230, 160, 30);
jLabel2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/20150000-0002.JPG"))); // NOI18N
jLabel2.setText("jLabel2");
jPanel2.add(jLabel2);
jLabel2.setBounds(0, 0, 260, 410);
getContentPane().add(jPanel2);
jPanel2.setBounds(424, 0, 267, 597);
jPanel1.setBackground(new java.awt.Color(255, 255, 255));
jPanel1.setLayout(null);
jTextArea1.setBackground(new java.awt.Color(102, 255, 255));
jTextArea1.setColumns(20);
jTextArea1.setFont(new java.awt.Font("標楷體", 0, 13)); // NOI18N
jTextArea1.setForeground(new java.awt.Color(255, 51, 51));
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);
jPanel1.add(jScrollPane1);
jScrollPane1.setBounds(10, 10, 290, 380);
jLabel4.setIcon(new javax.swing.ImageIcon(getClass().getResource("/lighthouse-658933_960_720.jpg"))); // NOI18N
jLabel4.setText("jLabel4");
jPanel1.add(jLabel4);
jLabel4.setBounds(-20, -20, 340, 430);
getContentPane().add(jPanel1);
jPanel1.setBounds(0, 0, 320, 440);
jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/史丹佛016.jpg"))); // NOI18N
jLabel1.setText("jLabel1");
getContentPane().add(jLabel1);
jLabel1.setBounds(-5, -30, 760, 470);
pack();
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
obj.setVisible(true);
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
sio.setVisible(true);
String n = (String)jComboBox1.getSelectedItem();
for( i =0 ; i < o.size() ; i++) {
if(n.equals(o.get(i).name)){
sio.jTextField1.setText(o.get(i).name);
sio.jTextField4.setText(o.get(i).ID);
sio.jTextField2.setText(o.get(i).price.toString());
sio.jTextField3.setText(o.get(i).unit);
sio.jTextField5.setText(o.get(i).count.toString());
sio.jLabel8.setText(o.get(i).time);break; }
}
}
private void jRadioButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
//COPY
if(jRadioButton2.isSelected()){
List<Commodity> oi = new ArrayList<Commodity>(Arrays.asList(new Commodity[o
.size()]));
Collections.copy(oi,o);
//----
Collections.sort(oi);
jTextArea1.append("ID排列---------------------\n");
for(Commodity oio : oi ){
jTextArea1.append("商品名 :"+oio.name+"\nID :"+oio.ID+"\n價格 :"+oio.price+"\n單位 :"+oio.unit+"\n數量 :"+oio.count+
"\n-------------"+oio.time+"-------------------\n");
}
}
}
private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
if(jRadioButton1.isSelected()){
List<Commodity> oi = new ArrayList<Commodity>(Arrays.asList(new Commodity[o
.size()]));
Collections.copy(oi,o);
for(int j = 0 ; j < o.size() ; j++){
for(int k = j+1 ; k < o.size() ; k++){
if(oi.get(j).price < oi.get(k).price ){
int y = oi.get(j).price ;
oi.get(j).price = oi.get(k).price;
oi.get(k).price = y;
}
}
}
jTextArea1.append("price排列---------------------\n");
for(Commodity oio : oi ){
jTextArea1.append("商品名 :"+oio.name+"\nID :"+oio.ID+"\n價格 :"+oio.price+"\n單位 :"+oio.unit+"\n數量 :"+oio.count+
"\n-------------"+oio.time+"-------------------\n");
}
}
}
xin x = new xin();
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
x.setVisible(true);
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) throws IOException {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(DataCollect.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(DataCollect.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(DataCollect.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(DataCollect.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
try {
new DataCollect().setVisible(true);
} catch (IOException ex) {
Logger.getLogger(DataCollect.class.getName()).log(Level.SEVERE, null, ex);
}
}
});
}
// Variables declaration - do not modify
private javax.swing.ButtonGroup buttonGroup1;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JComboBox<String> jComboBox1;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel4;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JRadioButton jRadioButton1;
private javax.swing.JRadioButton jRadioButton2;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
// End of variables declaration
}
class Commodity implements Comparable<Commodity>{
Date date = new Date();
String name;
String ID;
Integer price;
String unit;
Integer count ;
String time = String.format("%tF %<tT",date) ;
@Override
public int compareTo(Commodity arg0){
return count.compareTo(arg0.count);
}
}
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