我试着做一个简单的游戏...但是我遇到了这个问题，当我对任何事情说"不"时，我必须输入两次才能实际工作......下面是一个示例。你会攻击吗？（是（y）或否（n））输入：N输入：N如果你不攻击，你会使用魔法吗？
import java.util.Random;
import java.util.Scanner;
public class ZeNiMiGame {
public static Scanner sc = new Scanner(System.in);
public static String name;
public static String Class;
public static String mon;
public static int monhealth;
public static int monattack;
public static int health = 600;
public static int mana = 150;
public static Random r = new Random();
public static void main(String[] args) {
Story();
PowerTable();
Fight();
}
public static void Story() {
System.out.println("Hello, warrior! What's your name?");
name = sc.next();
System.out.println("So your name is "+name+"... Well, I'm your Guide for this game.n You can call me Vestibulum magna ipsum ducem, or magna ipsum ducem for short.");
try{
Thread.sleep(5000);
}catch (InterruptedException ex) {
}
System.out.println("Right now, we are traveling to the forgotten forest. Look! We're almost there!");
try{
Thread.sleep(5000);
}catch (InterruptedException ex) {
}
System.out.println("Arrives at The Forgotten Forest");
try{
Thread.sleep(2000);
}catch (InterruptedException ex) {
}System.out.println("Look! An Orc! What do we do?");
mon = "Orc";
monhealth = 500;
monattack = r.nextInt(30)+20;
try{
Thread.sleep(3000);
}catch (InterruptedException ex) {
}System.out.println("An Orc has appeared before you! Will you fight? Well, you really have no choice... FIGHT!");
}
public static void magic() {
System.out.println("You can use 3 types of magic. Heal(h)nApollo's Arrows(a), and the classic Fireball(f)");
System.out.println("Will you use Heal?(yes(y) or no(n))");
if(sc.next().equalsIgnoreCase("y")) {
System.out.println("You used: Heal");
health = health+100;
mana = mana-50;
System.out.println("You healed yourself by 100 health using 50 mana.");
}else if(sc.next().equalsIgnoreCase("n")) {
System.out.println("Will you use Apollo's Arrows?(yes(y) or no(n))");
if(sc.next().equalsIgnoreCase("y")) {
System.out.println("You used: Apollo's Arrows");
monhealth = monhealth-100;
mana = mana-100;
System.out.println("You attacked the"+mon+" for 100 damage.");
System.out.println("The "+mon+" now has "+monhealth+" left.");
}else if(sc.next().equalsIgnoreCase("n")) {
System.out.println("Will you use the classic Fireball?(yes(y) or no(n))");
if(sc.next().equalsIgnoreCase("y")) {
System.out.println("You used: Fireball");
monhealth = monhealth - 50;
mana = mana-50;
System.out.println("You attacked the"+mon+" for 50" +" damage.");
System.out.println("The "+mon+" now has "+monhealth+" left.");
}
}
}
}
public static void PowerTable() {
}
public static void Fight() {
for(int i=1;i<monhealth;i++) {
System.out.println("Will you attack?(yes(y) or no(n))");
int attack = r.nextInt(50)+30;
if(sc.next().equalsIgnoreCase("y")) {
System.out.println("You attacked the "+mon+" for "+attack+" damage!");
monhealth = monhealth-attack;
System.out.println("The "+mon+" has "+monhealth+" health left!");
health = health - monattack;
System.out.println("You have "+health+" left.");
if(health < 0) {
System.out.println("Your health is too low, therefore you died. GAME OVER");
}
}else if(sc.next().equalsIgnoreCase("n")) {
System.out.println("Would you like to use magic?(yes(y) or no(n))");
if(sc.next().equalsIgnoreCase("y")) {
magic();
health = health - monattack;
System.out.println("You have "+health+" left.");
if(health < 0) {
System.out.println("Your health is too low, therefore you died. GAME OVER");
}
}
else if(sc.next().equalsIgnoreCase("n")) {
System.out.println("Skipping turn...");
health = health - monattack;
System.out.println("You have "+health+" left.");
if(health < 0) {
System.out.println("Your health is too low, therefore you died. GAME OVER");
}
}
}
}System.out.println("The "+mon+" has died! It's your win!!!");
}
}
那是因为你多次调用sc.next()。每次调用它时，它都会获得一个新输入。如果要将输入与多个值进行比较，则需要将其另存为变量。
import java.util.Random;
import java.util.Scanner;
public class ZeNiMiGame {
public static Scanner sc = new Scanner(System.in);
public static String name;
public static String Class;
public static String mon;
public static int monhealth;
public static int monattack;
public static int health = 600;
public static int mana = 150;
public static Random r = new Random();
public static void main(String[] args) {
Story();
PowerTable();
Fight();
}
public static void Story() {
System.out.println("Hello, warrior! What's your name?");
name = sc.next();
System.out.println("So your name is "+name+"... Well, I'm your Guide for this game.n You can call me Vestibulum magna ipsum ducem, or magna ipsum ducem for short.");
try{
Thread.sleep(5000);
}catch (InterruptedException ex) {
}
System.out.println("Right now, we are traveling to the forgotten forest. Look! We're almost there!");
try{
Thread.sleep(5000);
}catch (InterruptedException ex) {
}
System.out.println("Arrives at The Forgotten Forest");
try{
Thread.sleep(2000);
}catch (InterruptedException ex) {
}System.out.println("Look! An Orc! What do we do?");
mon = "Orc";
monhealth = 500;
monattack = r.nextInt(30)+20;
try{
Thread.sleep(3000);
}catch (InterruptedException ex) {
}System.out.println("An Orc has appeared before you! Will you fight? Well, you really have no choice... FIGHT!");
}
public static void magic() {
System.out.println("You can use 3 types of magic. Heal(h)nApollo's Arrows(a), and the classic Fireball(f)");
System.out.println("Will you use Heal?(yes(y) or no(n))");
String ans = sc.next();
if(ans.equalsIgnoreCase("y")) {
System.out.println("You used: Heal");
health = health+100;
mana = mana-50;
System.out.println("You healed yourself by 100 health using 50 mana.");
}else if(ans.equalsIgnoreCase("n")) {
System.out.println("Will you use Apollo's Arrows?(yes(y) or no(n))");
ans = sc.next();
if(ans.equalsIgnoreCase("y")) {
System.out.println("You used: Apollo's Arrows");
monhealth = monhealth-100;
mana = mana-100;
System.out.println("You attacked the"+mon+" for 100 damage.");
System.out.println("The "+mon+" now has "+monhealth+" left.");
}else if(ans.equalsIgnoreCase("n")) {
System.out.println("Will you use the classic Fireball?(yes(y) or no(n))");
ans = sc.next();
if(ans.equalsIgnoreCase("y")) {
System.out.println("You used: Fireball");
monhealth = monhealth - 50;
mana = mana-50;
System.out.println("You attacked the"+mon+" for 50" +" damage.");
System.out.println("The "+mon+" now has "+monhealth+" left.");
}
}
}
}
public static void PowerTable() {
}
public static void Fight() {
for(int i=1;i<monhealth;i++) {
System.out.println("Will you attack?(yes(y) or no(n))");
int attack = r.nextInt(50)+30;
String ans = sc.next();
if(ans.equalsIgnoreCase("y")) {
System.out.println("You attacked the "+mon+" for "+attack+" damage!");
monhealth = monhealth-attack;
System.out.println("The "+mon+" has "+monhealth+" health left!");
health = health - monattack;
System.out.println("You have "+health+" left.");
if(health < 0) {
System.out.println("Your health is too low, therefore you died. GAME OVER");
}
}else if(ans.equalsIgnoreCase("n")) {
System.out.println("Would you like to use magic?(yes(y) or no(n))");
ans = sc.next();
if(ans.equalsIgnoreCase("y")) {
magic();
health = health - monattack;
System.out.println("You have "+health+" left.");
if(health < 0) {
System.out.println("Your health is too low, therefore you died. GAME OVER");
}
}
else if(ans.equalsIgnoreCase("n")) {
System.out.println("Skipping turn...");
health = health - monattack;
System.out.println("You have "+health+" left.");
if(health < 0) {
System.out.println("Your health is too low, therefore you died. GAME OVER");
}
}
}
}System.out.println("The "+mon+" has died! It's your win!!!");
}
}