def data_item(check_code): if(check_code == 'A'): return "滷肉飯" elif(check_code == 'B'): return "火鍋" elif(check_code == 'C'): return "薯條" input_value = input("請選擇套餐(A,B,C):") print("今天我想來點>>>%s" %(data_item(input_value))) print("隨便來點答案吧") print(data_item('A'))
前面def 定義data_item裡面的程式
後面縮排 代表執行主程式
package Projectaccount;
import javax.swing.*;
import java.awt.*;
import static java.awt.SystemColor.scrollbar;
import java.awt.event.*;
import java.awt.TextArea;
import java.awt.event.TextEvent;
import java.util.Scanner;
public class Try0913 extends JFrame{
JFrame frame;
JPanel panel,inpanel,paypanel;
JLabel inputFieldLabel, outputFieldLabel;
JTextField inputField,inputField2,inputField3, outputField,
// b
bField,b2Field,b3Field,b4Field
//c
,cField;
JButton inputButton;
public Try0913() {
super("視窗事件範例");//為什麼子類別可以繼承這個範例?這範例從哪來的?
initApp();
}
public void initApp() {
frame = new JFrame();
panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
inpanel = new JPanel();
paypanel = new JPanel();
inputFieldLabel = new JLabel("aaaa");
inputField = new JTextField("aaa1");
inputField.addActionListener(new inputButtonActionListener());
inputField2 = new JTextField("aaa2");
inputField2.addActionListener(new inputButtonActionListener());
inputField3 = new JTextField("aaa3");
inputField3.addActionListener(new inputButtonActionListener());
outputField = new JTextField("aaab");
inputButton = new JButton("aaaac");
inputButton.addActionListener(new inputButtonActionListener());
outputFieldLabel = new JLabel("bbbbb");
bField = new JTextField("bbb1");
bField.addActionListener(new inputButtonActionListener());
b2Field = new JTextField("bbb2");
b2Field.addActionListener(new inputButtonActionListener());
b3Field = new JTextField("bbb3");
b3Field.addActionListener(new inputButtonActionListener());
b4Field = new JTextField("bbb4");
b4Field.addActionListener(new inputButtonActionListener());
cField = new JTextField();
frame.add(panel).setSize(500,500);
panel.setLayout(new GridLayout(6,6));
panel.add(inputFieldLabel).setSize(500,100);
panel.add(inpanel).setSize(500,200);
panel.add(outputFieldLabel).setSize(500,100);
panel.add(bField);
panel.add(b2Field);
panel.add(b3Field);
panel.add(b4Field);
panel.add(cField);
inpanel.add(inputField);
inpanel.add(inputField2);
inpanel.add(inputField3);
inpanel.add(outputField);
inpanel.add(inputButton);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.getContentPane().add(panel);
frame.setVisible(true);
}
private class inputFieldActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class inputField2ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class inputField3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class inputButtonActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
private class bField3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class b2Field3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class b3Field3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class b4Field3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class cFieldActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
}
public void changeOutputText() {
String inputfield_str = inputField.getText();
String inputfield2_str = inputField2.getText();
String inputfield3_str = inputField3.getText();
int value = Integer.parseInt(inputfield_str);
int value2 = Integer.parseInt(inputfield2_str);
int value3 = Integer.parseInt(inputfield3_str);
int value4;
value4= value+value2+value3;
String answer = String.valueOf(value4);
outputField.setText(answer);
// bb
String bfield_str = bField.getText();
String bfield2_str = b2Field.getText();
String bfield3_str = b3Field.getText();
int bvalue = Integer.parseInt(bfield_str);
int bvalue2 = Integer.parseInt(bfield2_str);
int bvalue3 = Integer.parseInt(bfield3_str);
int bvalue4;
bvalue4 = bvalue+bvalue2+bvalue3;
String banswer = String.valueOf(bvalue4);
b4Field.setText(banswer);
int cvalue;
cvalue = value4+bvalue4;
String canswer = String.valueOf(cvalue);
cField.setText(canswer);
}
public static void main(String[] args) {
Try0913 app = new Try0913();
}
}
package 中華隊數據_亂玩的;
import java.awt.FlowLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class NewJPanel_0816 {
public static void main(String[] args) {
JFrame n2=new JFrame();//建立一個視窗
NewJPanel p2=new NewJPanel(n2);//建立一個面板，並將視窗傳入
n2.add(p2);//視窗中新增面板p2
n2.setVisible(true);//顯示視窗
}
}
--------------------------------------------------------------------
package 中華隊數據_亂玩的;
//面板2中除了按鈕名稱和麵板1不一樣，其他基本功能相同
import javax.swing.JFrame;
//面板1
public class NewJPanel extends javax.swing.JPanel {
/**
* Creates new form NewJPanel
*/
JFrame n2=new JFrame();//建立一個視窗
public NewJPanel(JFrame n2) {
initComponents();
this.n2=n2;//通過建構函式接收之前傳過來的面板
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButton1 = new javax.swing.JButton();//新增按鈕
jButton1.setText("測試1");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
NewJPanel2 p1=new NewJPanel2(n2);//新建面板NewJPanel2，並將視窗n2傳入
setVisible(false);//隱藏當前面板
n2.add(p1);//在視窗中新增面板p1
n2.setVisible(true);//顯示面板
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(115, 115, 115)
.addComponent(jButton1)
.addContainerGap(188, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(84, 84, 84)
.addComponent(jButton1)
.addContainerGap(187, Short.MAX_VALUE))
);
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
// End of variables declaration
}
------------------------------------------------
package 中華隊數據_亂玩的;
import javax.swing.JFrame;
public class NewJPanel2 extends javax.swing.JPanel {
/**
* Creates new form NewJPanel
*/
JFrame n2=null;
public NewJPanel2(JFrame n2) {
initComponents();
this.n2=n2;
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jButton1 = new javax.swing.JButton();
jButton1.setText("測試2");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
NewJPanel p=new NewJPanel(n2);
setVisible(false);
n2.add(p);
n2.setVisible(true);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(115, 115, 115)
.addComponent(jButton1)
.addContainerGap(188, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(84, 84, 84)
.addComponent(jButton1)
.addContainerGap(187, Short.MAX_VALUE))
);
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
// End of variables declaration
}
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
public class frame1 extends JFrame implements ActionListener{
private JButton jb;
private JButton jb2;
public frame1()
{
this.setSize(500, 800);
this.setLocation(600, 400);
jb=new JButton("跳转");
jb2 = new JButton("跳啊");
this.add(jb).setSize(300, 100);
this.add(jb2).setSize(500, 400);
jb.addActionListener(this);//加入事件监听
jb2.addActionListener(this);
this.setVisible(true);
}
public static void main(String[] args) {
// TODO Auto-generated method stub
frame1 frame=new frame1();
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getSource()==jb)
{
this.dispose();//点击按钮时frame1销毁,new一个frame2
new frame2();
}
if(e.getSource()==jb2)
{
this.dispose();//点击按钮时frame1销毁,new一个frame2
new frame3();
}
}
}
---------------------------------------------------------------------
package 中華隊數據_亂玩的;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
public class frame2 extends JFrame implements ActionListener{
private JButton Fr2;
public frame2()
{
Fr2=new JButton("跳转");
this.setSize(300, 200);
this.setLocation(300, 400);
this.setVisible(true);
this.add(Fr2).setSize(300, 100);
Fr2.addActionListener((ActionListener) this);
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getSource()==Fr2)
{
this.dispose();//点击按钮时frame1销毁,new一个frame2
new frame1();
}
}
}
---------------------------------------------------------------
import javax.swing.JButton;
import javax.swing.JFrame;
public class frame3 extends JFrame{
private JButton j3;
public frame3()
{
this.setSize(500, 400);
this.setLocation(300, 400);
j3=new JButton("跳转");
this.setVisible(true);
}
public static void main(String[] args) {
frame3 frame3=new frame3();
}
}
package myaccount;
import javax.swing.*;
import java.awt.*;
import static java.awt.SystemColor.scrollbar;
import java.awt.event.*;
import java.awt.TextArea;
import java.awt.event.TextEvent;
import java.util.Scanner;
public class Try08032 extends JFrame{
JFrame frame;
JPanel panel,inpanel,paypanel;
JLabel inputFieldLabel, outputFieldLabel;
JTextField inputField,inputField2,inputField3, outputField,
// b
bField,b2Field,b3Field,b4Field
//c
,cField;
JButton inputButton;
public Try08032() {
super("視窗事件範例");//為什麼子類別可以繼承這個範例?這範例從哪來的?
initApp();
}
public void initApp() {
frame = new JFrame();
panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
inpanel = new JPanel();
paypanel = new JPanel();
inputFieldLabel = new JLabel("aaaa");
inputField = new JTextField("aaa1");
inputField.addActionListener(new inputButtonActionListener());
inputField2 = new JTextField("aaa2");
inputField2.addActionListener(new inputButtonActionListener());
inputField3 = new JTextField("aaa3");
inputField3.addActionListener(new inputButtonActionListener());
outputField = new JTextField("aaab");
inputButton = new JButton("aaaac");
inputButton.addActionListener(new inputButtonActionListener());
outputFieldLabel = new JLabel("bbbbb");
bField = new JTextField("bbb1");
bField.addActionListener(new inputButtonActionListener());
b2Field = new JTextField("bbb2");
b2Field.addActionListener(new inputButtonActionListener());
b3Field = new JTextField("bbb3");
b3Field.addActionListener(new inputButtonActionListener());
b4Field = new JTextField("bbb4");
b4Field.addActionListener(new inputButtonActionListener());
cField = new JTextField();
frame.add(panel).setSize(500,500);
panel.setLayout(new GridLayout(6,6));
panel.add(inputFieldLabel).setSize(500,100);
panel.add(inpanel).setSize(500,200);
panel.add(outputFieldLabel).setSize(500,100);
panel.add(bField);
panel.add(b2Field);
panel.add(b3Field);
panel.add(b4Field);
panel.add(cField);
inpanel.add(inputField);
inpanel.add(inputField2);
inpanel.add(inputField3);
inpanel.add(outputField);
inpanel.add(inputButton);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.getContentPane().add(panel);
frame.setVisible(true);
}
private class inputFieldActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class inputField2ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class inputField3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class inputButtonActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
private class bField3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class b2Field3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class b3Field3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class b4Field3ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class cFieldActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
}
public void changeOutputText() {
String inputfield_str = inputField.getText();
String inputfield2_str = inputField2.getText();
String inputfield3_str = inputField3.getText();
int value = Integer.parseInt(inputfield_str);
int value2 = Integer.parseInt(inputfield2_str);
int value3 = Integer.parseInt(inputfield3_str);
int value4;
value4= value+value2+value3;
String answer = String.valueOf(value4);
outputField.setText(answer);
// bb
String bfield_str = bField.getText();
String bfield2_str = b2Field.getText();
String bfield3_str = b3Field.getText();
int bvalue = Integer.parseInt(bfield_str);
int bvalue2 = Integer.parseInt(bfield2_str);
int bvalue3 = Integer.parseInt(bfield3_str);
int bvalue4;
bvalue4 = bvalue+bvalue2+bvalue3;
String banswer = String.valueOf(bvalue4);
b4Field.setText(banswer);
int cvalue;
cvalue = value4+bvalue4;
String canswer = String.valueOf(cvalue);
cField.setText(canswer);
}
public static void main(String[] args) {
Try08032 app = new Try08032();
}
}
int value = Integer.parseInt(inputfield_str);
int value2 = Integer.parseInt(inputfield2_str);
int value3;
value3= value+value2;
String answer = String.valueOf(value3);
outputField.setText(answer);
*： String轉Integer直接用Integer.parseInt(String s)就好了。
資料來源引用自： https://blog.techbridge.cc/2019/09/21/how-to-use-python-tkinter-to-make-gui-app-tutorial/ //這位大大講解的非常前顯易懂
建立視窗步驟
1.引用套件
2.設定視窗標題和字型
3.運行主程式
1.import tkinter as tk
2.window = tk.Tk()
window.title('BMI App') window.geometry('800x600')
window.configure(background='white')
3.window.mainloop()
package myaccount;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.TextArea;
import java.awt.event.TextEvent;
//0831知道如何使用傾聽者及自動作加減，還有能自己創造出格子出來
//20200719 建立起一個搜尋框能將收入與支出的結果自動做加減
//20200719 最後用valueOf的方式成功解決算不出總預算的問題
class TryAdmin extends JFrame{
// 此視窗所用到的元件
JPanel panel, inPanel, outPanel;
JLabel inputFieldLabel, outputFieldLabel;
JTextField
//收入 income=收入,change=可動資金,savings=儲蓄
incomeField,changeField,savingsField
//支出 meals=三餐,meals_day=三餐天數,rent=房租,存錢=savemoney,airtime=通話費,
// transportation=交通費
, mealsField,meals_dayField2,FieldField,savemoney,airtime,transportation
//結果
,outputField3;
JButton inputButton,inputButton2;
public TryAdmin() {
super("678");//為什麼子類別可以繼承這個範例?這範例從哪來的?
GoGo();
}
// 元件相關設置
public void GoGo() {
panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
////BoxLayout是讓物件保持水平或垂直平行對齊的語法
inPanel = new JPanel();
outPanel = new JPanel();
inputFieldLabel = new JLabel("輸入文字");
incomeField = new JTextField("輸入1");
incomeField.addActionListener(new inputFieldActionListener()); // 要將事件處理加入
changeField = new JTextField("輸入2");
changeField.addActionListener(new inputFieldActionListener());
inputButton = new JButton("確定");
inputButton.addActionListener(new inputButtonActionListener()); // 要將事件處理加入
inputButton2 = new JButton("確定");
inputButton2.addActionListener(new inputButtonActionListener()); // 要將事件處理加入
outputFieldLabel = new JLabel("輸出文字");
mealsField = new JTextField("輸出1");
mealsField.addActionListener(new outputFieldActionListener());
meals_dayField2 = new JTextField("輸出2");
meals_dayField2.addActionListener(new outputFieldActionListener());
outputField3 = new JTextField("總輸出");
inPanel.add(inputFieldLabel);
inPanel.add(incomeField);
inPanel.add(changeField);
inPanel.add(inputButton);
inPanel.add(inputButton2);
outPanel.add(outputFieldLabel);
outPanel.add(mealsField);
outPanel.add(meals_dayField2);
outPanel.add(outputField3);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(400, 800);
this.getContentPane().setLayout(new GridLayout(2,4));
this.add(inputFieldLabel);
this.add(incomeField);
this.add(mealsField);
this.add(inputButton);
this.add(changeField);
this.add(meals_dayField2);
this.add(outputField3);
this.add(inputButton2);
this.setVisible(true);
}
// inputField的事件處理
private class inputFieldActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
// inputButton的事件處理
private class inputButtonActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
private class InputFieldStr2ActionListener implements ActionListener {
public void actionPerformed(ActionEvent e){
changeOutputText();
}
}
private class inputButton2ActionListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
changeOutputText();
}
}
// 總預算相加
private class outputFieldActionListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
changeOutputText();
}
}
private class outputField2ActionListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
changeOutputText();
}
}
public void changeOutputText() {
String input_field_str = incomeField.getText();
mealsField.setText(input_field_str);
String InputFieldStr2 = changeField.getText();
meals_dayField2.setText(InputFieldStr2);
String outputField_str = mealsField.getText();
int afterfield = Integer.valueOf(outputField_str);
afterfield = Integer.parseInt(outputField_str);
String outputField2_str = meals_dayField2.getText();
int afterfield2 = Integer.valueOf(outputField2_str);
afterfield2 = Integer.parseInt(outputField2_str);
int afterfield3 = afterfield +afterfield2;
String answer = String.valueOf(afterfield3);
outputField3.setText(answer);
}
public static void main(String[] args) {
TryAdmin app = new TryAdmin();
}
}
package myaccount;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.TextArea;
import java.awt.event.TextEvent;
//0831知道如何使用傾聽者及自動作加減，還有能自己創造出格子出來
class Moudoule1 extends JFrame
{
// 此視窗所用到的元件
int fieldWidth = 10;
JPanel panel, inPanel, outPanel;
JLabel inputFieldLabel, outputFieldLabel;
JTextField inputField, outputField,outputField2;
JButton inputButton;
private Object inpanel;
public Moudoule1()
{
super("視窗事件範例");//為什麼子類別可以繼承這個範例?這範例從哪來的?
initApp();
}
// 元件相關設置
public void initApp()
{
panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
//BoxLayout是讓物件保持水平或垂直平行對齊的語法
inPanel = new JPanel();
outPanel = new JPanel();
inputFieldLabel = new JLabel("1234");
inputField = new JTextField("6688");
inputField.addActionListener(new inputFieldActionListener()); // 要將事件處理加入
outputField2 = new JTextField("55555");
// 實驗
// 實驗
inputButton = new JButton("確定");
inputButton.addActionListener(new inputButtonActionListener()); // 要將事件處理加入
outputFieldLabel = new JLabel("輸出文字");
outputField = new JTextField(fieldWidth);
panel.add(inputFieldLabel);
panel.add(inputField);
panel.add(outputFieldLabel);
panel.add(outputField);
panel.add(outputField2);
inPanel.add(inputFieldLabel);
inPanel.add(inputField);
inPanel.add(inputButton);
outPanel.add(outputFieldLabel);
outPanel.add(outputField);
panel.add(inPanel);
panel.add(outPanel);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(500, 500);
this.getContentPane().add(panel);
this.setVisible(true);
}
// inputField的事件處理
private class inputFieldActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
// inputButton的事件處理
private class inputButtonActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
changeOutputText();
}
}
public void changeOutputText()
{
String input_field_str = inputField.getText() ;
String input_out_str = outputField2.getText();
int afterfield = (int)(Float.parseFloat(input_field_str));
int afterout = (int)(Float.parseFloat(input_out_str));
int afteroutcome = afterfield+afterout;
outputField.setColumns(afteroutcome);
}
public static void main(String[] args)
{
Moudoule1 app = new Moudoule1();
}
}
主要用來儲存過去學java的點點滴滴
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