成语接龙demo
作者：互联网
1.项目结构
2.类介绍
package DragonFollow;
import java.io.*;
import java.util.*;
/**
* 把词典读入到列表中,和哈希表中
*/
public class ReadList {
//对词典进行标号,1:未访问了,0:访问了
public static HashMap<String,Integer> generateChengYuMap() throws IOException {
HashMap<String ,Integer> hashMap = new HashMap<>();
FileReader file = new FileReader("成语.txt");
BufferedReader bufr = new BufferedReader(file);
String content = null;
//存储进入map中
while ((content = bufr.readLine()) != null)
{
hashMap.put(content,1);
}
bufr.close();
file.close();
return hashMap;
}
//存储进入List
public static ArrayList<String> getChengYu() throws IOException {
ArrayList<String> arr = new ArrayList<>();
//打开文件
FileReader file = new FileReader("成语.txt");
BufferedReader bufr = new BufferedReader(file);
String content = null;
while ((content = bufr.readLine()) != null)
{
arr.add(content);
}
bufr.close();
file.close();
return arr;
}
//去重,防止字典中有重复的成语
public static void deleteChongFu() throws IOException {
Set<String> set = new HashSet<>();
FileReader file = new FileReader("成语.txt");
BufferedReader bufr = new BufferedReader(file);
//写入set中去除重复
String content = null;
while ((content = bufr.readLine()) != null)
set.add(content);
bufr.close();
file.close();
//把不重复的数据写回文件中
FileWriter file1 = new FileWriter("成语.txt");
BufferedWriter bufw = new BufferedWriter(file1);
Iterator<String> it = set.iterator();
while (it.hasNext())
{
bufw.write(it.next());
//换行
bufw.newLine();
}
//刷新进入文件中
bufw.flush();
bufw.close();
file1.close();
}
}
成语接龙主类
package DragonFollow;
import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;
import java.io.IOException;
import java.util.*;
import java.util.concurrent.TimeUnit;
public class DragonGame {
//已经使用的成语总数
public static long total = 0;
// 开局随机生成一个成语
public static String generateSartChengyu(ArrayList<String> arr,HashMap<String,Integer> hashMap)
{
if (arr == null || arr.size() == 0 || hashMap == null || hashMap.size() == 0)
throw new NullPointerException("hashMap or arr数组存储的成语为空!");
Random random = new Random();
//随即返回一个成语
String st = arr.get(random.nextInt(arr.size()));
//设置成语已经使用标志
hashMap.put(st,0);
//已经使用的成语总数+1
total++;
return st;
}
//成语是否能连上
public static boolean isDragonFollow(String one,String two) throws BadHanyuPinyinOutputFormatCombination {
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
//设置不带音调
format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
String[] oneArray = PinyinHelper.toHanyuPinyinStringArray(one.charAt(one.length()-1),format);
String[] towArray = PinyinHelper.toHanyuPinyinStringArray(two.charAt(0),format);
for (int i = 0; i < oneArray.length; i++) {
for (int j = 0; j < towArray.length; j++) {
if (oneArray[i].equals(towArray[j])){
return true;
}
}
}
return false;
}
// 输入用户的成语
public static String inputUserChengYu(HashMap<String,Integer> hashMap,String systemCY) throws BadHanyuPinyinOutputFormatCombination, InterruptedException {
//判断是否词库爆了
if (total == hashMap.size())
{
//延迟5秒钟,模拟网络通信
TimeUnit.SECONDS.sleep(5);
System.out.println("成语词库资源耗尽,用户输入的成语无法匹配!游戏结束");
System.exit(0);
}
Scanner scanner = new Scanner(System.in);
System.out.print("请您输入您的成语:");
String st = scanner.next();
//控制用户最多输入的次数
int count = 1;
//检查是否使用过
while (true)
{
count++;
if (hashMap.get(st) != null && hashMap.get(st) == 1 && isDragonFollow(systemCY,st))
{
//设置成语已经使用标志
hashMap.put(st,0);
//成语已使用总数+1
total++;
break;
}
else if (hashMap.get(st) == null) {
System.out.print("您的成语在数据库中不存在,请重新输入您的成语:");
st = scanner.next();
}
else if (hashMap.get(st) == 0){
//还要判断一下使用过的成语是否能匹配上
if (!isDragonFollow(systemCY,st))
System.out.print("您的成语已经使用过了并且匹配失败,请重新输入您的成语:");
else
System.out.print("尽管您的成语匹配成功,但是他已经被使用过了,请重新输入您的成语:");
st = scanner.next();
}else if (!isDragonFollow(systemCY,st)){
System.out.print("成语不匹配,请重新输入您的成语:");
st = scanner.next();
}
if (count == 3)
{
System.out.print("您的输入次数超过三次,系统判定您输了!");
System.exit(0);
}
}
return st;
}
// 输入系统的成语,返回null说明数据库爆了,或者没找到匹配的
public static String inputSystemChengYu(HashMap<String,Integer> hashMap,String userCY,ArrayList<String> arr) throws BadHanyuPinyinOutputFormatCombination, InterruptedException {
if (total == arr.size())
{
//延迟5秒钟,模拟网络通信
TimeUnit.SECONDS.sleep(5);
System.out.println("成语词库资源已经耗尽,无法生成新的成语!游戏结束");
return null;
}
//遍历查找匹配的成语
for (String s: arr) {
if (isDragonFollow(userCY,s) && hashMap.get(s) == 1)
{
//设置成语已经使用标志
hashMap.put(s,0);
//成语已经使用得总数+1
total++;
return s;
}
}
System.out.println("词库被你打爆了,你赢得了比赛!");
return null;
}
//成语接龙游戏开始的主函数
public static void startGame() throws BadHanyuPinyinOutputFormatCombination, InterruptedException, IOException {
ReadList.deleteChongFu();
ArrayList<String> arr = ReadList.getChengYu();
HashMap<String,Integer> hashMap = ReadList.generateChengYuMap();
//生成一个随机成语
String systemCY = generateSartChengyu(arr,hashMap);
String userCY;
System.out.println("成语接龙开始了,小baby.....");
System.out.println(systemCY);
while (true)
{
//测试
// System.out.println(hashMap);
userCY = inputUserChengYu(hashMap,systemCY);
systemCY = inputSystemChengYu(hashMap,userCY,arr);
if (systemCY == null)
System.exit(0);
System.out.println(systemCY);
//测试
// System.out.println(hashMap);
}
}
}
开始游戏的主类
package DragonFollow;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;
import java.io.IOException;
/**
* 成语接龙主函数:
* 逻辑完整
*/
public class DragonMain {
public static void main(String[] args) throws InterruptedException, IOException, BadHanyuPinyinOutputFormatCombination {
DragonGame.startGame();
}
}
标签：arr,String,demo,System,st,接龙,成语,hashMap 来源： https://www.cnblogs.com/nanfengnan/p/15854438.html