Java: 4月 2015

2015年4月24日星期五

2015.04.24 4*4 顯示數字

4*4 顯示數字

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Calculator2 implements ActionListener {
public static void main(String[] args) {
new Calculator2();
}
public Calculator2() {
JFrame window=new JFrame("Calculator2");

window.setDefaultLookAndFeelDecorated(true);
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setLayout(new GridLayout(4,4));
JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(4,4));
JButton button[]=new JButton[17];
for (int i = 1; i <= 16; i++)
{
button[i] = new JButton();
button[i].setSize(50,50);
button[i].setText(Integer.toString(i));
button[i].addActionListener(this);
jplPanel.add(button[i]);
}
button[1].setActionCommand("d1");
button[2].setActionCommand("d2");
button[3].setActionCommand("d3");
button[4].setActionCommand("d4");
button[5].setActionCommand("d5");
button[6].setActionCommand("d6");
button[7].setActionCommand("d7");
button[8].setActionCommand("d8");
button[9].setActionCommand("d9");
button[10].setActionCommand("d10");
button[11].setActionCommand("d11");
button[12].setActionCommand("d12");
button[13].setActionCommand("d13");
button[14].setActionCommand("d14");
button[15].setActionCommand("d15");
button[16].setActionCommand("d16");
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);
}
public void actionPerformed(ActionEvent e) {
String cmd = e.getActionCommand();
String cmd2 = e.getActionCommand();
String cmd3 = e.getActionCommand();
String cmd4 = e.getActionCommand();
String cmd5 = e.getActionCommand();
String cmd6 = e.getActionCommand();
String cmd7 = e.getActionCommand();
String cmd8 = e.getActionCommand();
String cmd9 = e.getActionCommand();
String cmd10 = e.getActionCommand();
String cmd11 = e.getActionCommand();
String cmd12 = e.getActionCommand();
String cmd13 = e.getActionCommand();
String cmd14 = e.getActionCommand();
String cmd15 = e.getActionCommand();
String cmd16 = e.getActionCommand();
if (cmd == "d1") {
System.out.println("1");
}
if (cmd2 == "d2") {
System.out.println("2");
}
if (cmd3 == "d3") {
System.out.println("3");
}
if (cmd4 == "d4") {
System.out.println("4");
}
if (cmd5 == "d5") {
System.out.println("5");
}
if (cmd6 == "d6") {
System.out.println("6");
}
if (cmd7 == "d7") {
System.out.println("7");
}
if (cmd8 == "d8") {
System.out.println("8");
}
if (cmd9 == "d9") {
System.out.println("9");
}

if (cmd10 == "d10") {
System.out.println("10");
}

if (cmd11 == "d11") {
System.out.println("11");
}
if (cmd12 == "d12") {
System.out.println("12");
}
if (cmd13 == "d13") {
System.out.println("13");
}
if (cmd14 == "d14") {
System.out.println("14");
}
if (cmd15 == "d15") {
System.out.println("15");
}
if (cmd16 == "d16") {
System.out.println("16");
}
}
}

class AdapterDemo extends WindowAdapter {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
}

2015年4月17日星期五

2015.04.17-5 數字推盤

數字推盤

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class Piece extends JFrame
{
//放數字九官格
private String [][] box = new String[][]{{"1","2","3"},
{"4","5","6"},
{"7","8"," "}};
private keyLis kl = new keyLis();//鍵盤事件
private ButtonHandler bh = new ButtonHandler();//功能表單事件
private final int LEFT = 37,UP = 38, RIGHT = 39, DOWN = 40;
private JLabel [] jl = new JLabel [9];
private JMenuBar jmb;
private JMenu game = new JMenu("遊戲");;
private JMenuItem [] gm = new JMenuItem[3];
private boolean isStart = false; //遊戲開始

//初始化遊戲變數值
private String[][] init()
{
final int ROW = 3, COL = 3;
String [][] boxTemp = new String[][]{{"1","2","3"},
{"4","5","6"},
{"7","8"," "}};

//用亂數打亂數字的排列
for(int count = 0; count < 200; count++)
{
String temp = " ";
int [] zero = null;
int ranNum = (int)(Math.random()*4)+LEFT;

zero = getZero(boxTemp); //取得0的位置
switch(ranNum)
{
case LEFT: //左移
if(zero[1]+1<boxTemp[zero[0]].length)
{
temp = boxTemp[zero[0]][zero[1]+1];
boxTemp[zero[0]][zero[1]+1] = " ";
}
break;
case UP: //上移
if(zero[0]+1<boxTemp.length)
{
temp = boxTemp[zero[0]+1][zero[1]];
boxTemp[zero[0]+1][zero[1]] = " ";
}
break;
case RIGHT: //右移
if(zero[1]-1 >= 0)
{
temp = boxTemp[zero[0]][zero[1]-1];
boxTemp[zero[0]][zero[1]-1] = " ";
}
break;
case DOWN: //下移
if(zero[0]-1 >= 0)
{
temp = boxTemp[zero[0]-1][zero[1]];
boxTemp[zero[0]-1][zero[1]] = " ";
}
break;
default:
}
boxTemp[zero[0]][zero[1]] = temp;
}

return boxTemp;
}

//取得0的位置
private int [] getZero(String [][] boxArr)
{
int location[] = new int[2];

for(int r = 0; r < boxArr.length; r++)
{
for(int c = 0; c < boxArr[r].length; c++)
{
//取得數字0的位置
if(boxArr[r][c].equals(" "))
{
location[0] = r; //" "的x位置
location[1] = c; //" "的y位置
}
}
}

return location;
}

public Piece()
{
super("數字拼圖");
Container c = getContentPane();
c = this.getContentPane();
jmb = new JMenuBar();
this.setJMenuBar(jmb); //加入工具列

//遊戲的選擇項目
jmb.add(game);
gm[0] = new JMenuItem("新局");
gm[1] = new JMenuItem("放棄");
gm[2] = new JMenuItem("結束遊戲");
game.add(gm[0]);
game.add(gm[1]);
game.addSeparator();
game.add(gm[2]);
gm[1].setEnabled(false);

//數字的排為3*3
c.setLayout(new GridLayout(3,3));

for(int i = 0; i < jl.length; i++)
{
jl[i] = new JLabel(" "+box[i/box.length][i%box.length]);
jl[i].setFont(new Font("Serif",Font.BOLD,40));
c.add(jl[i]);
}

//設定視窗
setSize(200,200);
setLocation(300,250);
setResizable(false);//視窗放大按鈕無效
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//註冊功能表單傾聽者
for(int m=0;m<gm.length;m++)
gm[m].addActionListener(bh);

//註冊鍵盤傾聽者
this.addKeyListener(kl);
}

//鍵盤事件處理
private class keyLis implements KeyListener
{
public void keyPressed(KeyEvent e)
{
if(isStart == true)
{
String temp = " ";
int [] zero = null;

zero = getZero(box); //取得" "的位置

switch(e.getKeyCode())
{
case LEFT: //按左鍵
if(zero[1]+1<box[zero[0]].length)
{
temp = box[zero[0]][zero[1]+1];
box[zero[0]][zero[1]+1] = " ";
}
break;
case UP: //按上鍵
if(zero[0]+1<box.length)
{
temp = box[zero[0]+1][zero[1]];
box[zero[0]+1][zero[1]] = " ";
}
break;
case RIGHT: //按右鍵
if(zero[1]-1 >= 0)
{
temp = box[zero[0]][zero[1]-1];
box[zero[0]][zero[1]-1] = " ";
}
break;
case DOWN: //按下鍵
if(zero[0]-1 >= 0)
{
temp = box[zero[0]-1][zero[1]];
box[zero[0]-1][zero[1]] = " ";
}
break;
default:
}
box[zero[0]][zero[1]] = temp;

//更新數字顯示的位置
for(int i=0; i< jl.length; i++)
jl[i].setText(" "+box[i/box.length][i%box.length]);

//判斷是否過關
if(box[0][0].equals("1") && box[0][1].equals("2") &&
box[0][2].equals("3") && box[1][0].equals("4") &&
box[1][1].equals("5") && box[1][2].equals("6") &&
box[2][0].equals("7") && box[2][1].equals("8") &&
box[2][2].equals(" ")
)
{
JOptionPane.showMessageDialog(null, "過關了!!", "訊息",
JOptionPane.INFORMATION_MESSAGE);

//判斷是否再玩一次
if(JOptionPane.showConfirmDialog(null, "再玩一次？", "訊息",
JOptionPane.YES_NO_OPTION) == 0
)
{
box = init();
for(int i=0; i< jl.length; i++)//更新數字顯示的位置
jl[i].setText(" "+box[i/box.length][i%box.length]);
}
else System.exit(0); //結束遊戲
}
}
}

public void keyReleased(KeyEvent e){}
public void keyTyped(KeyEvent e){}
}

//功能表單事件處理
private class ButtonHandler implements ActionListener
{
public void actionPerformed(ActionEvent ae)
{
if(ae.getSource() == gm[0]) //新局
{
box = init();
for(int i=0; i< jl.length; i++)//更新數字顯示的位置
jl[i].setText(" "+box[i/box.length][i%box.length]);
isStart = true;
gm[1].setEnabled(true);
}
else if(ae.getSource() == gm[1]) //放棄
{
isStart = false;
for(int i=0; i< jl.length; i++)//初始化數字顯示的位置
{
box[i/box.length][i%box.length] = Integer.toString(i+1);
if(box[i/box.length][i%box.length].equals("9")) box[i/box.length][i%box.length] = " ";
jl[i].setText(" "+box[i/box.length][i%box.length]);
}

}
else if(ae.getSource() == gm[2]) //結束遊戲
{
System.exit(0);
}
}
}

public static void main(String [] args)
{
new Piece();
}
}

2015.04.17-4 按鈕顯示123

按鈕顯示123

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Calculator2 implements ActionListener {
public static void main(String[] args) {
new Calculator2();
}
public Calculator2() {
JFrame window=new JFrame("Calculator2");

window.setDefaultLookAndFeelDecorated(true);
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setLayout(new GridLayout(3,3));
JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(3,3));
JButton button[]=new JButton[10];
for (int i = 1; i <= 9; i++)
{
button[i] = new JButton();
button[i].setSize(50,50);
button[i].setText(Integer.toString(i));
button[i].addActionListener(this);
jplPanel.add(button[i]);
}
button[1].setActionCommand("d1");
button[2].setActionCommand("d2");
button[3].setActionCommand("d3");
button[4].setActionCommand("d4");
button[5].setActionCommand("d5");
button[6].setActionCommand("d6");
button[7].setActionCommand("d7");
button[8].setActionCommand("d8");
button[9].setActionCommand("d9");
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);
}
public void actionPerformed(ActionEvent e) {
String cmd = e.getActionCommand();
String cmd2 = e.getActionCommand();
String cmd3 = e.getActionCommand();
String cmd4 = e.getActionCommand();
String cmd5 = e.getActionCommand();
String cmd6 = e.getActionCommand();
String cmd7 = e.getActionCommand();
String cmd8 = e.getActionCommand();
String cmd9 = e.getActionCommand();
if (cmd == "d1") {
System.out.println("1");
}
if (cmd2 == "d2") {
System.out.println("2");
}
if (cmd3 == "d3") {
System.out.println("3");
}
if (cmd4 == "d4") {
System.out.println("4");
}
if (cmd5 == "d5") {
System.out.println("5");
}
if (cmd6 == "d6") {
System.out.println("6");
}
if (cmd7 == "d7") {
System.out.println("7");
}
if (cmd8 == "d8") {
System.out.println("8");
}
if (cmd9 == "d9") {
System.out.println("9");
}
}

}

class AdapterDemo extends WindowAdapter {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
}

2015.04.17-3 按鈕顯示yes

按鈕顯示yes

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Calculator2 implements ActionListener { public static void main(String[] args) { new Calculator2(); } public Calculator2() { JFrame window=new JFrame("Calculator2"); window.setDefaultLookAndFeelDecorated(true); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); window.setLayout(new GridLayout(3,3)); JPanel jplPanel = new JPanel(); jplPanel.setLayout(new GridLayout(3,3)); JButton button[]=new JButton[10]; for (int i = 1; i <= 9; i++) { button[i] = new JButton(); button[i].setSize(50,50); button[i].setText(Integer.toString(i)); button[i].setActionCommand("d1"); button[i].addActionListener(this); jplPanel.add(button[i]); } window.getContentPane().add(jplPanel, BorderLayout.CENTER); window.setSize(500,500); window.setVisible(true); } public void actionPerformed(ActionEvent e) { String cmd = e.getActionCommand(); if (cmd == "d1") { System.out.println("Yes...."); } } } class AdapterDemo extends WindowAdapter { public void windowClosing(WindowEvent e) { System.exit(0); } }

2015.04.17-2 螢幕顯示 yes

螢幕顯示 yes

import java.awt.*; import java.awt.event.*; public class ActionEventDemo implements ActionListener { public static void main(String[] args) { new ActionEventDemo(); } public ActionEventDemo() { Frame frame = new Frame("AWTDemo"); frame.addWindowListener(new AdapterDemo()); frame.setLayout(new FlowLayout()); Button button = new Button("demo"); button.setActionCommand("d1"); button.addActionListener(this); frame.add(button); frame.pack(); frame.setVisible(true); } public void actionPerformed(ActionEvent e) { String cmd = e.getActionCommand(); if (cmd == "d1") { System.out.println("Yes"); } } } class AdapterDemo extends WindowAdapter { public void windowClosing(WindowEvent e) { System.exit(0); } }

2015.04.17-1 3*3按鈕

3*3按鈕
import javax.swing.*; import java.awt.*; public class jtest { JButton btn[][]; JFrame mainFrame; JPanel panel; public jtest() { panel = new JPanel(new GridLayout(3, 3)); btn = new JButton[3][3]; for (int x = 0; x < 3; x++) { for (int y = 0; y < 3; y++) { //產生JButton實體物件 btn[x][y] = new JButton(x + "," + y); panel.add(btn[x][y]); } } mainFrame = new JFrame("JButton Array"); mainFrame.getContentPane().add(panel); mainFrame.pack(); mainFrame.setVisible(true); mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } public static void main(String[] args) { new jtest(); } }

2015年4月10日星期五

2015.04.10- 4種按鈕範例

2015.04.10
1. Button

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test
{

public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(450, 150);
JButton jbnButton1 = new JButton("Button 1");
JPanel jplPanel = new JPanel();
jplPanel.add(jbnButton1);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("chia-ning hsu");
}
}

2.9個按鈕

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class TEST
{

public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(450, 150);
JButton jbnButton1 = new JButton("Button 1");
JButton jbnButton2 = new JButton("Button 2");
JButton jbnButton3 = new JButton("Button 3");
JButton jbnButton4 = new JButton("Button 4");
JButton jbnButton5 = new JButton("Button 5");
JButton jbnButton6 = new JButton("Button 6");
JButton jbnButton7 = new JButton("Button 7");
JButton jbnButton8 = new JButton("Button 8");
JButton jbnButton9 = new JButton("Button 9");
JPanel jplPanel = new JPanel();
jplPanel.add(jbnButton1);
jplPanel.add(jbnButton2);
jplPanel.add(jbnButton3);
jplPanel.add(jbnButton4);
jplPanel.add(jbnButton5);
jplPanel.add(jbnButton6);
jplPanel.add(jbnButton7);
jplPanel.add(jbnButton8);
jplPanel.add(jbnButton9);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("chia-ning hsu");
}

}

3.9個按鈕顯示數字

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class TEST
{

public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(450, 150);

JButton jbnButton1 = new JButton("1");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("1");
}
});

JButton jbnButton2 = new JButton("2");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("2");
}
});

JButton jbnButton3 = new JButton("3");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("3");
}
});

JButton jbnButton4 = new JButton("4");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("4");
}
});

JButton jbnButton5 = new JButton("5");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("5");
}
});
JButton jbnButton6 = new JButton("6");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("6");
}
});
JButton jbnButton7 = new JButton("7");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("7");
}
});
JButton jbnButton8 = new JButton("8");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("8");
}
});
JButton jbnButton9 = new JButton("9");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("9");
}
});
JPanel jplPanel = new JPanel();
jplPanel.add(jbnButton1);
jplPanel.add(jbnButton2);
jplPanel.add(jbnButton3);
jplPanel.add(jbnButton4);
jplPanel.add(jbnButton5);
jplPanel.add(jbnButton6);
jplPanel.add(jbnButton7);
jplPanel.add(jbnButton8);
jplPanel.add(jbnButton9);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("chia-ning hsu");
}

}

4.for loop

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Calculator extends JFrame{
public static void main(String[]args){
JFrame window=new JFrame("Calculator");
JPanel jplPanel = new JPanel();
JButton button[]=new JButton[10];
for(int i=0;i<button.length;i++){
button[i] = new JButton();
button[i].setSize(50,50);
button[i].setText(Integer.toString(i+1));
jplPanel.add(button[i]);

}
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);

}}

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