java GUI 猜數字游戲

界面

package com.lovo.hilo;

import java.awt.Container;
import java.awt.GridLayout;
import java.awt.Toolkit;

import javax.swing.JFrame;

public class HiLoFrame extends JFrame {

    private Container contentP;

    private UpPanel upP;

    private MidPanel mdP;

    private DownPanel dnP;
    
    private int randomNum;

    public HiLoFrame() {
        this.randomNum = (int)(Math.random() * 50 + 50);
        System.out.println(this.randomNum);
        // 工具箱類--ToolKit
        Toolkit tk = Toolkit.getDefaultToolkit();
        // 設置窗體大小
        this.setSize(320, 290);
        // 設置窗體位置
        int screenW = (int) tk.getScreenSize().getWidth();// 得到屏幕寬
        int screenH = (int) tk.getScreenSize().getHeight();// 得到屏幕高
        this.setLocation((screenW - 320) / 2, (screenH - 290) / 2);
        // 設置窗體大小不可更改
        this.setResizable(true);
        // 設置窗體圖標
        this.setIconImage(tk.createImage("img/hp.JPG"));
        // 設置窗體的標題
        this.setTitle("HiLo游戲");
        // 設置窗體關閉即為關閉程序
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        // 設置窗體內容面板上所有的東西
        this.addContent();
        // 設置窗體可見
        this.setVisible(true);
    }

    

    private void addContent() {
        // TODO Auto-generated method stub
        this.contentP = this.getContentPane();
        this.contentP.setLayout(new GridLayout(3, 1));
        
        this.upP = new UpPanel();
        this.mdP = new MidPanel();
        this.dnP = new DownPanel(this);
        
        this.contentP.add(this.upP);
        this.contentP.add(this.mdP);
        this.contentP.add(this.dnP);
    }

    public UpPanel getUpP() {
        return upP;
    }

    public MidPanel getMdP() {
        return mdP;
    }

    public DownPanel getDnP() {
        return dnP;
    }

    public int getRandomNum() {
        return randomNum;
    }
    
    public void setRandomNum(int randomNum) {
        this.randomNum = randomNum;
    }

}


內部的功能

package com.lovo.hilo;

import java.awt.Color;

import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.JTextField;

//JPanel的默認布局管理是流布局
public class UpPanel extends JPanel{
    
    private JTextField inputTxt;
    
    public UpPanel(){
        this.setBackground(Color.WHITE);
        this.setBorder(BorderFactory.createTitledBorder("Your Guess"));
        
        this.setLayout(null);
        this.inputTxt = new JTextField();
        this.inputTxt.setBounds(90, 33, 140,25);
        this.add(this.inputTxt);
    }

    public JTextField getInputTxt() {
        return inputTxt;
    }

    public void setInputTxt(JTextField inputTxt) {
        this.inputTxt = inputTxt;
    }
}

package com.lovo.hilo;

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;

import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class MidPanel extends JPanel {
    
    private JLabel msgLab;
    
    public MidPanel(){
        this.setBackground(Color.WHITE);
        this.setLayout(new FlowLayout());
        this.setBorder(BorderFactory.createTitledBorder("Hint"));
        
        this.msgLab = new JLabel("Let's Play HiLo");
        this.msgLab.setFont(new Font("微軟雅黑",Font.PLAIN,15));
        this.add(this.msgLab);
    }

    public JLabel getMsgLab() {
        return msgLab;
    }

    public void setMsgLab(JLabel msgLab) {
        this.msgLab = msgLab;
    }
    
}

package com.lovo.hilo;

import java.awt.BorderLayout;
import java.awt.Color;

import javax.swing.JPanel;

public class DownPanel extends JPanel {
    
    private ButtonPanel btnP;
    
    public DownPanel(HiLoFrame frame){
        this.setBackground(Color.WHITE);
        this.setLayout(new BorderLayout());
        
        this.btnP = new ButtonPanel(frame);
        this.add(this.btnP,BorderLayout.SOUTH);
    }

    public ButtonPanel getBtnP() {
        return btnP;
    }

    public void setBtnP(ButtonPanel btnP) {
        this.btnP = btnP;
    }
    
}

package com.lovo.hilo;

import java.awt.Button;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class ButtonPanel extends JPanel {
    
    private JButton enterBtn;
    
    private JButton replayBtn;
    
    private int i;
    
    private HiLoFrame frame;
    
    //匿名內部類中不能訪問外部類的局部變量，只能訪問全局變量或常量
    //這里的形參是一個欺騙編譯器的動作
    public ButtonPanel( HiLoFrame frame){
        this.frame=frame;
        this.setBackground(Color.WHITE);
        this.setLayout(new FlowLayout());
        
        this.enterBtn = new JButton("確定");
        this.replayBtn = new JButton("重玩");
        this.replayBtn.setEnabled(false);
        this.enterBtn.setEnabled(true);
        this.enterBtn.addActionListener(new ActionListener() {            
            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                //1、取得輸入的整數
                String inputStr = ButtonPanel.this.frame.getUpP().getInputTxt().getText();
                JLabel msgLab =ButtonPanel.this. frame.getMdP().getMsgLab();
                //2、取得隨機數
                int randomNum =ButtonPanel.this. frame.getRandomNum();
                String msg = "";
                if(inputStr.matches("[5-9][0-9]")){
                    int inputNum = Integer.parseInt(inputStr);
                    //3、比較                    
                    if(inputNum > randomNum){
                        msg = "不好意思，你猜大了！";
                        msgLab.setText(msg+"你還有"+(6-i)+"次機會");
                    }else if(inputNum < randomNum){
                        msg = "不好意思，你猜小了！";
                        msgLab.setText(msg+"你還有"+(6-i)+"次機會");
                    }else{
                        msg = "恭喜你猜對了！";
                        msgLab.setText(msg);
                            ButtonPanel.this.replayBtn.setEnabled(true);
                            ButtonPanel.this.enterBtn.setEnabled(false);
                            i=0;
                    }
                    
                }else{
                    msg = "請輸入50到99的有效數字！";
                    msgLab.setText(msg+"你還有"+(7-i)+"次機會");
                }
                i++;
                
                if(i==7){
                    ButtonPanel.this.replayBtn.setEnabled(true);
                    ButtonPanel.this.enterBtn.setEnabled(false);
                    i=0;
                }
            }
        });
        
        this.replayBtn.addActionListener(new ActionListener(){

            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                ButtonPanel.this.frame.setRandomNum((int)(Math.random() * 50 + 50)); 
                ButtonPanel.this.replayBtn.setEnabled(false);
                ButtonPanel.this.enterBtn.setEnabled(true);
                i=0;
                System.out.println(ButtonPanel.this.frame.getRandomNum());
            }
            
        });
        this.add(this.enterBtn);
        this.add(this.replayBtn);
        
    }
    
}

package com.lovo.test;


import com.lovo.cardlayout.CardFrame;
import com.lovo.event.ColorFrame;
import com.lovo.frame.BorderFrame;
import com.lovo.frame.FlowFrame;
import com.lovo.frame.GridFrame;
import com.lovo.frame.MyFrame;
import com.lovo.hilo.HiLoFrame;
import com.lovo.qq.QQFrame;

public class TestMain {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        new HiLoFrame();

    }

}