猜数字游戏（代码） - 黑马程序员技术交流社区

<div class="blockcode"><blockquote>package app;
import java.awt.Frame;
import javax.swing.JFrame;
import ui.CSZServiceFrame;
public class MainApp {
public static void main(String[] args) {
CSZServiceFrame csz=new CSZServiceFrame();
csz.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
csz.setVisible(true);
}
}

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package service;
import java.util.ArrayList;
import java.util.Random;
public class CSZService {
int index = 0;
String random = "";
String[] results = new String[8];
public boolean equalsRandom(String input) {
return random.equals(input);
}
public void init() {
for (int i = 0; i < results.length; i++) {
results[i] = "";
}
index = 0;
random = "";
ArrayList<String> al = new ArrayList<String>();
for (int i = 0; i < 10; i++) {
al.add(i + "");
}
Random r = new Random();
for (int i = 0; i < 4; i++) {
String num = (String) al.remove(r.nextInt(10 - i));
random += num;
}
//System.out.println("游戏产生的随机数为：" + random);
}
public String[] getResult(){
return results;
}
public int getIndex(){
return index;
}
public String getRandom(){
return random;
}
public void creatRsult(String input) {
int numberRightCount = 0;
int numberErrorCount = 0;
for (int i = 0; i < input.length(); i++) {
char charAt = input.charAt(i);
if (random.contains(charAt + "")) {
int n = random.indexOf(charAt);
if (n == i) {
numberRightCount++;
} else {
numberErrorCount++;
}
}
}
String result=numberRightCount+"A"+numberErrorCount+"b";
results[index++]=index+">"+input+"-"+result;
}
}

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package ui;
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
public abstract class CSZFrame extends JFrame {
protected JTextField[] fields = new JTextField[4];// 创建长度为4的文本框数组
protected JButton btn = new JButton("确定");// 创建确定按钮
protected JLabel[] lables = new JLabel[2];// 创建长度为2标签数组
public CSZFrame() {
// 初始化界面
init();
// 添加组件
addComponent();
// 添加监听器
addListener();
}
private void addListener() {
btn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
String data=getInputAndValidate();
//lables[0].setText(data);
run(data);
}
catch (NumberFormatException e1) {
JOptionPane.showMessageDialog(CSZFrame.this, "请输入一个数字");
}
catch(RuntimeException e2){
JOptionPane.showMessageDialog(CSZFrame.this, "数字重复输入");
}
}
});
}
public abstract void run(String input);
public void clearTextFiels(){
for (int i = 0; i < fields.length; i++) {
fields[i].setText("");
}
}
public String getInputAndValidate() throws RuntimeException,NumberFormatException {
String result = "";
for (int i = 0; i < fields.length; i++) {
String input = fields[i].getText();
int inputNum = Integer.parseInt(input);
if (result.contains(inputNum + "")) {
throw new RuntimeException("数组输入重复");
}
result += inputNum;
}
return result;
}
private void addComponent() {
// 设置布局（3个面板）
JPanel j1 = new JPanel();
JPanel j2 = new JPanel();
JPanel j3 = new JPanel();
// 设置面板拜访的位置
this.add(j1, BorderLayout.NORTH);
this.add(j2);
this.add(j3, BorderLayout.SOUTH);
// 创建4个文本框
for (int i = 0; i < fields.length; i++) {
// 创建每个文本输入框
fields[i] = new JTextField(3);// 创建文本输入框，并设置宽度为3
fields[i].setFont(new Font("宋体", 1, 18));// 设置文本框的字体
j1.add(fields[i]);// 把文本框添加到面板1中
}
j1.add(btn);// 把按钮添加到面板1中
for (int i = 0; i < lables.length; i++) {
lables[i] = new JLabel();
lables[i].setFont(new Font("宋体", 1, 14));// 设置字体
}
// 标签1添加到面板2中
j2.add(lables[0]);
// 标签2添加到面板3中
j3.add(lables[1]);
// lables[1].setText("A:代表数字出现，位置正确 B:代表数字出现，位置错误");
lables[1]
.setText("<html><body>A:代表数字出现，位置正确 <br/>B:代表数字出现，位置错误</body></html>");
}
private void init() {
// 设置窗体的宽高，位置，标题，不可改变大小
this.setSize(300, 300);
this.setLocation(500, 200);
this.setTitle("猜数字小游戏");
this.setResizable(false);
}
}

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package ui;
import javax.swing.JOptionPane;
import service.CSZService;
public class CSZServiceFrame extends CSZFrame {
private CSZService csz = new CSZService();
boolean youXiZhuangTai=true;
public CSZServiceFrame() {
super();
csz.init();
}
public void run(String input) {
//System.out.println("我被点击了");
if(youXiZhuangTai==false){
youXiZhuangTai=true;
csz.init();
}
if(csz.equalsRandom(input)){
JOptionPane.showMessageDialog(this, "恭喜你猜对了");
youXiZhuangTai=false;
clearTextFiels();
return;
}
csz.creatRsult(input);
String[] results= csz.getResult();
String date="<html><body>";
for (int i = 0; i < results.length; i++) {
date+=results[i]+"<br/>";
}
date+="</body></html>";
lables[0].setText(date);
if(csz.getIndex()==8){
JOptionPane.showMessageDialog(this, "已猜8次，您的智商捉急，游戏结束,正确的数字为："+csz.getRandom());
youXiZhuangTai=false;
clearTextFiels();
}
}
}

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