#include<stdio.h>
#include<time.h>
#include<windows.h>
#include<stdlib.h>
#include<conio.h>
//宏变量
#define U 1
#define D 2
#define L 3
#define R 4
//定义链表（全局变量）
typedef struct snake
{
    int x;
    int y;
    struct snake *next;
} snake;
int score = 0,add = 10;//初始分数为0，成功一次增加10分
int Highscore= 0;//初始最高分为0分
int status,sleeptime = 200;//蛇的状态，每运行一次要的时间间隔
snake *head,*food;//定义指针指向蛇的头部和食物
snake *q;//定义指针指向所需的蛇身的变量
int endgamestatus = 0;//定义结束游戏时蛇的状态
HANDLE hOut;
//函数声明
void gotoxy(int x,int y);//设置光标位置
int color(int c);//更改文字颜色
void printsnake();//描绘蛇
void welcometogame();//游戏开始界面
void createMap();//创建游戏地图
void scoreandtips();//右侧的得分和游戏提示
void initsnake();//蛇身初始化，创建形体
void createfood();//创建和随机出现食物
int biteself();//判定蛇是否咬到自己
int cantcrosswall();//设置蛇撞墙的判定
void speedup();//对蛇加速
void speeddown();//对蛇减速
int snakemove();//控制蛇前进方向
void keyboardcontrol();//控制键盘按钮
void lostdrew();// 游戏结束界面
void endgame();//游戏结束
void choose();//游戏失败之后的选择
void File_out();//在文件中读取最高分
void File_in();//存储最高分进文件
void explation();//游戏说明


//设置文字颜色
int color(int c)
{
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),c);
    return 0;
}
//获取控制台的坐标位置
void gotoxy(int x,int y)
{
    COORD c;
    c.X = x;
    c.Y = y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),c);
}
//字符蛇
 void printsnake()
 {
 
         color(9);
         printf("                                                                                         \n");
         printf("                       __________       ___                                              \n");
         printf("                      /          \\     / \\ \\    |____      __\\__                     \n");
         printf("                     /  ________  \\   / ___ \\  _/ __     | |   /                       \n");
         printf("                     |  |      |__|     _/_   |_|  /    [|] |/                           \n");
         printf("                     |  |              | | |      /     _|_ \\__/                        \n");
         printf("                     \\  \\_______        / \\      |___/        ____                    \n");
         printf("                      \\         \\    ____ ____      ____   __ |  |  ___   ______       \n");
         printf("                       \\_______  \\   |  |/    \\    /    \\_/ / |  | /  /  /      \\   \n");
         printf("                               \\  \\  |    ___  \\  / ____   /  |  |/  /  /  ____  \\   \n");
         printf("                     __        |  |  |   /   \\  \\ | |  |  /   |     /  |  /____\\  |   \n");
         printf("                    \\  \\_______|  |  |  |    |  | | |__|  |   |     \\  |  ________/   \n");
         printf("                     \\            /  |  |    |  |  \\       \\  |  |\\  \\  \\  \\____  \n");
         printf("                      \\__________/   |__|    |__|   \\___/\\__\\ |__| \\__\\  \\______/ \n");
 }
 //欢迎界面
 void welcometogame()
 {
     int n;
     int i,j = 1;
     gotoxy(40,18);
     printf("贪   吃   蛇   大   作   战");
     for(i = 20;i<=26;i++)
     {
         for(j = 27;j<=74;j++)
         {
             gotoxy(j,i);
         if(i==20||i==26)
         {
             printf("-");
         }else if(j==27||j==74)
         {
             printf("|");
         }
         }
     }
    gotoxy(35,22);
    printf("1.开始游戏");
    gotoxy(55,22);
    printf("2.游戏说明");
    gotoxy(35,24);
    printf("3.退出游戏");
    gotoxy(29,27);
    printf("请选择[1 2 3]：[ ]\b\b");
    scanf("%d",&n);
    switch(n)
    {
        case 1:
            system("cls");
            createMap();
            initsnake();
            scoreandtips();
            createfood();
            
            break;
        case 2:
            explation();
                break;
        case 3:
                exit(0);break;
        
    };
 }
 //创建游戏地图
void createMap()
{
    int i,j;
    for(i=0;i<58;i+=2)
    {
        gotoxy(i,0);
        printf("□");
        gotoxy(i,26);
        printf("□");
    }
    for(i=1;i<26;i++)
    {
        gotoxy(0,i);
        printf("□");
        gotoxy(56,i);
        printf("□");
    }
    for(i=2;i<56;i+=2)
    {
        for(j=1;j<26;j++)
        {
            gotoxy(i,j);
            printf("■\n");
        }
    }
}
//游戏分数和提示
void scoreandtips()
{
    File_out();
    gotoxy(64,4);
    printf("☆最高记录☆：%d",Highscore);
    gotoxy(64,8);
    printf("您的得分为：%d",score);
    gotoxy(73,12);
    printf("小 提 示");
    gotoxy(60,13);
    printf("╬-----------------------------╬");
    gotoxy(64,15);
    printf("每个食物得分：10分");
    gotoxy(64,17);
    printf("不能穿墙，也不能咬到自己哦");
    gotoxy(64,19);
    printf("请用 ↑ ↓ ← → 分别控制蛇的移动哦");
    gotoxy(64,21);
    printf("F1 为加速，F2 为减速");
    gotoxy(64,23);
    printf("space ：暂停游戏");
    gotoxy(64,25);
    printf("ESC ：退出游戏");
    gotoxy(60,25);
    printf("╬-----------------------------╬");
     
}
//在文件中读取最高分
void File_out()
{
    FILE *fp;
    fp=fopen("save.text ","a+");
    fscanf(fp,"%d",&Highscore);
    fclose(fp);
}
//初始化蛇身
void initsnake()
{
    snake *ss;
    int i;
    ss = (snake*)malloc(sizeof(snake));
    ss->x = 24;
    ss->y = 5;
   ss->next = NULL;
    for(i=1;i<=2;i++)
    {
        head = (snake*)malloc(sizeof(snake));
        head->next =ss;
        head->x = 24+i*2;
        head->y = 5;
        ss = head;
    }
    while(ss!=NULL)
    {
    gotoxy(ss->x,ss->y);
    printf("★");
    ss = ss->next;
    }
}
//绘制食物并随机显现
void createfood()
{
       snake *food1;
        food1 = (snake*)malloc(sizeof(snake));
        //
        srand((unsigned)time(NULL));
        //
        food1->x=rand()%53+2;
        while((food1->x%2)!=0)
        {
            //
            food1->x = rand()%53+2;
        }
        //
        food1->y = rand()%23+1;
        //
        q = head;
        while(q->next!=NULL)
        {
            //
            if(q->x==food1->x&&q->y==food1->y)
            {
                free(food1);
                createfood();//
               
            }
            q=q->next;
            
        }
        //
        gotoxy(food1->x,food1->y);
        color(10);
        printf("★");
        food = food1;
}
//判断蛇是否咬到自己
int biteself()
{
    snake *self;
    self = head->next;
    while(self!=NULL)
    {
        if(self->x==head->x&&self->y==head->y)
        {
            return 1;
        }
        self=self->next;
    }
    return 0;
}
// 判断蛇是否撞墙
int cantcrosswall()
{
    if(head->x==0 || head->x==56 || head->y==0 || head->y==26)
    {
        endgamestatus = 1;
        endgame();
    }
   }

//蛇减速
void speeddown()
{
    if(sleeptime<200)
    {
        sleeptime = sleeptime -10;
        add=add-2;
        if(sleeptime==350)
        {
            add=1;
        }
    }
}
//蛇加速
void speedup()
{
    if(sleeptime<=50)
    {
        sleeptime = sleeptime +30;
        add=add+2;

    }
}
//控制方向 snakemove()
int  snakemove  ()
{
    snake *newNode;
        newNode = (snake*)malloc(sizeof(snake));
        if (status == U)
        {
            newNode->x = head->x;
            newNode->y = head->y - 1;
   
        }
        if (status == D)
        {
            newNode->x = head->x;
            newNode->y = head->y + 1;
        }
        if (status == L)
        {
            newNode->x = head->x - 2;
            newNode->y = head->y;
        }
        if (status == R)
        {
            newNode->x = head->x + 2;
            newNode->y = head->y;
        }
        //公共代码
        newNode->next = head;
        //新结点位置赋值给head
        head = newNode;
        //新结点赋值给head过后，判断是否撞墙了
        if(cantcrosswall())
        {
            status = 0;
            endgame();
            return 3;
        }
        //判断新结点上是否有食物
        q = head;
        if (newNode->x == food->x && newNode->y == food->y)
        {
            while (q != NULL)
            {
                gotoxy(q->x, q->y);
                color(14);
                printf("◆");
                q = q->next;
            }
            //分值的计算
            score+=add;
            speedup();
            scoreandtips();
            //食物吃掉，再创建
            createfood();
        }
         else
        {
            while (q->next->next != NULL)
            {
                gotoxy(q->x, q->y);
                color(14);
                printf("◆");
                q = q->next;
            }
            //把倒数第一个变成原来的地图形状
            gotoxy(q->next->x, q->next->y);
            color(3);
            printf("■") ;
            //释放内存和指针
            free(q->next);
            q->next = NULL;
     }

if(biteself()==1)
    {
        endgame();
        return 2;
    }
    return 0;
}

//控制键盘按键
void keyboardcontrol()
{
    status = R;
    while(1)
    {
        scoreandtips();
        if(GetAsyncKeyState(VK_UP)&&status!=D)
            {
                status=U;
            }
        else if(GetAsyncKeyState(VK_DOWN)&&status!=U)
            {
                status=D;
             }
        else if(GetAsyncKeyState(VK_LEFT)&&status!=R)
            {
                    status=L;
            }
        else if(GetAsyncKeyState(VK_RIGHT)&&status!=L)
            {
                    status=R;
            }
        if(GetAsyncKeyState(VK_SPACE))
           {
            Sleep(300);
            if(GetAsyncKeyState(VK_SPACE))
                 {
                     break;
                 }
            }
        if(GetAsyncKeyState(VK_ESCAPE))
             {
                endgamestatus = 3;
                break;
             }
        if(GetAsyncKeyState(VK_F1))
             {
            speedup();
             }
        if(GetAsyncKeyState(VK_F2))
            {
                speeddown();
            }
        Sleep(sleeptime);
        snakemove();
    }
}
//失败界面
void lostdrew()
{
    system("cls");
    int i;
    gotoxy(45,2);
    color(6);
    printf("\\\\\\|///");
    gotoxy(43,3);
    printf("\\\\");
    color(15);
    printf(".-.-");
    color(6);
    gotoxy(54,3);
    printf("//");
    color(14);
    gotoxy(44,4);
    printf("(");
    color(15);
    gotoxy(47,4);
    printf(".@.@");
    color(14);
    gotoxy(54,4);
    printf(")");
    color(11);
    gotoxy(17,5);
    printf("+--------------------");
    color(14);
    gotoxy(39,5);
    printf("oOOo");
    color(11);
    gotoxy(43,5);
    printf("----------");
    color(14);
    gotoxy(53,5);
    printf("<_>");
    color(11);
    gotoxy(56,5);
    printf("----------");
    color(14);
    gotoxy(66,5);
    printf("oOOo");
    color(11);
    gotoxy(70,5);
    printf("----------+");
    for(i=6;i<=19;i++)
    {
        gotoxy(17,i);
        printf("|");
        gotoxy(82,i);
        printf("|");
    }
    gotoxy(17,20);
    printf("+----------------------------------");
    gotoxy(52,20);
    color(14);
    printf("☆☆☆∮");
    gotoxy(60,20);
    color(11);
    printf("--------------------+");
   
}
//结束界面
void endgame()
{
    system("cls");
    if(endgamestatus==1)
    {
        lostdrew();
        gotoxy(35,9);
        color(12);
        printf("您撞到了墙，因此游戏结束，别气馁，再来一局！");     
    }
    else if(endgamestatus==2)
    {
        lostdrew();
        gotoxy(35,9);
        color(12);
        printf("您咬到了自己，游戏结束，别气馁，再来一局！");
    }
    else if(endgamestatus==3)
    {
        lostdrew();
        gotoxy(40,9);
        color(12);
        printf("您自己结束了游戏，是太难了吗");
    }
    color(13);
    gotoxy(43,12);
    printf("您的得分是：%d",score);
    if(score>=Highscore)
    {
        color(10);
        gotoxy(33,16);
        printf("创纪录了，再接再厉！");
        File_in();
    }
    else
    {
        color(10);
        gotoxy(33,16);
        printf("加油，离最高分还差：%d",Highscore-score);
    }
    choose();
}
//将最高分存储进文件
void File_in()
{
    FILE *fp;
    fp = fopen("save.txt","w+");
    fprintf(fp,"%d",score);
    fclose(fp);
}
//边框下的分支选项
void choose()
{
    int n;
    color(12);
    gotoxy(25,23);
    printf("我想再战一局");
    gotoxy(52,23);
    color(12);
    printf("不玩了，改日再战");
    color(11);
    gotoxy(46,25);
    printf("请选择");
    scanf("%d",&n);
    switch (n) {
        case 1:
            system("cls");
            score = 0;
            sleeptime=400;
            add = 5;
            printsnake();
            welcometogame();
            break;
            
        case 2:
            exit(0);
            break;
        default:
            color(12);
            gotoxy(35,27);
            printf("※※您的输入有误，请重新输入※※");
            system("pause >nul");
            endgame();
            choose();
            break;
    }
     
}
//游戏说明
void explation()
{
    int i,j=1;
    system("cls");
    color(13);
    gotoxy(44,3);
    printf("游戏说明");
    color(2);
    for(i=6;i<=22;i++)
    {
        for(j=20;j<=75;j++)
        {
            gotoxy(j,i);
            if(i==6||i==22)
            {
                printf("=");
            }
            if(j==20||j==75)
            {
                printf("||");
            }
        }
    }
    color(3);
    gotoxy(30,8);
    printf("tip 1: 不能穿墙，也不能咬到自己哦");
    color(10);
    gotoxy(30,11);
    printf("tip 2：请用↑↓←→分别去控制蛇的移动哦");
    color(14);
    gotoxy(30,14);
    printf("tip 3: F1为加速，F2为减速");
    color(11);
    gotoxy(30,17);
    printf("tip 4: 按空格键暂停游戏，再按继续");
    color(4);
    gotoxy(30,20);
    printf("tip 5: ESC：退出游戏，space：暂停游戏");
    getch();
    system("cls");
    printsnake();
    welcometogame();
}
 //主函数
 int main()
 {
     system("mode con cols=100 lines=30");
     printsnake();
     welcometogame();
     File_out();
     keyboardcontrol();
     endgame();
     getch();
     return 0;
 }

哇，楼主游戏做得不错呐，已收藏！期待有大佬解决问题，我想玩！

简单修改了下结构。一局结束后蛇的内存没有释放，需要释放一下。

#include <stdio.h>
#include <time.h>
#include <windows.h>
#include <stdlib.h>
#include <conio.h>
// 宏变量
#define U 1
#define D 2
#define L 3
#define R 4
// 定义链表（全局变量）
typedef struct snake
{
   int x;
   int y;
   struct snake *next;
} snake;
int score = 0, add = 10;     // 初始分数为0，成功一次增加10分
int Highscore = 0;           // 初始最高分为0分
int status, sleeptime = 200; // 蛇的状态，每运行一次要的时间间隔
snake *head, *food;          // 定义指针指向蛇的头部和食物
snake *q;                    // 定义指针指向所需的蛇身的变量
int endgamestatus = 0;       // 定义结束游戏时蛇的状态
HANDLE hOut;
// 函数声明
void gotoxy(int x, int y); // 设置光标位置
int color(int c);          // 更改文字颜色
void printsnake();         // 描绘蛇
int welcometogame();       // 游戏开始界面
void createMap();          // 创建游戏地图
void scoreandtips();       // 右侧的得分和游戏提示
void initsnake();          // 蛇身初始化，创建形体
void createfood();         // 创建和随机出现食物
int biteself();            // 判定蛇是否咬到自己
int cantcrosswall();       // 设置蛇撞墙的判定
void speedup();            // 对蛇加速
void speeddown();          // 对蛇减速
int snakemove();           // 控制蛇前进方向
int keyboardcontrol();     // 控制键盘按钮
void lostdrew();           // 游戏结束界面
int endgame();             // 游戏结束
int choose();              // 游戏失败之后的选择
void File_out();           // 在文件中读取最高分
void File_in();            // 存储最高分进文件
void explation();          // 游戏说明

// 设置文字颜色
int color(int c)
{
   SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
   return 0;
}
// 获取控制台的坐标位置
void gotoxy(int x, int y)
{
   COORD c;
   c.X = x;
   c.Y = y;
   SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), c);
}
// 字符蛇
void printsnake()
{
   color(9);
   printf("                                                                                         \n");
   printf("                       __________       ___                                              \n");
   printf("                      /          \\     / \\ \\    |____      __\\__                     \n");
   printf("                     /  ________  \\   / ___ \\  _/ __     | |   /                       \n");
   printf("                     |  |      |__|     _/_   |_|  /    [|] |/                           \n");
   printf("                     |  |              | | |      /     _|_ \\__/                        \n");
   printf("                     \\  \\_______        / \\      |___/        ____                    \n");
   printf("                      \\         \\    ____ ____      ____   __ |  |  ___   ______       \n");
   printf("                       \\_______  \\   |  |/    \\    /    \\_/ / |  | /  /  /      \\   \n");
   printf("                               \\  \\  |    ___  \\  / ____   /  |  |/  /  /  ____  \\   \n");
   printf("                     __        |  |  |   /   \\  \\ | |  |  /   |     /  |  /____\\  |   \n");
   printf("                    \\  \\_______|  |  |  |    |  | | |__|  |   |     \\  |  ________/   \n");
   printf("                     \\            /  |  |    |  |  \\       \\  |  |\\  \\  \\  \\____  \n");
   printf("                      \\__________/   |__|    |__|   \\___/\\__\\ |__| \\__\\  \\______/ \n");
}
// 欢迎界面
int welcometogame()
{
   while (1) // 输入错误重新输入，直到输入正确
   {
      int n;
      int i, j = 1;
      gotoxy(40, 18);
      printf("贪   吃   蛇   大   作   战");
      for (i = 20; i <= 26; i++)
      {
         for (j = 27; j <= 74; j++)
         {
            gotoxy(j, i);
            if (i == 20 || i == 26)
            {
               printf("-");
            }
            else if (j == 27 || j == 74)
            {
               printf("|");
            }
         }
      }
      gotoxy(35, 22);
      printf("1.开始游戏");
      gotoxy(55, 22);
      printf("2.游戏说明");
      gotoxy(35, 24);
      printf("3.退出游戏");
      gotoxy(29, 27);

      printf("请选择[1 2 3]：[ ]\b\b");
      fflush(stdin);
      scanf("%d", &n);
      switch (n)
      {
      case 1:

         return 1;
         break;
      case 2:

         return 2;
         break;
      case 3:
         // exit(0);
         return 3;
         break;
      default:
         continue;
      };
      break;
   }
}
// 创建游戏地图
void createMap()
{
   system("cls");
   int i, j;
   for (i = 0; i < 58; i += 2)
   {
      gotoxy(i, 0);
      printf("□");
      gotoxy(i, 26);
      printf("□");
   }
   for (i = 1; i < 26; i++)
   {
      gotoxy(0, i);
      printf("□");
      gotoxy(56, i);
      printf("□");
   }
   for (i = 2; i < 56; i += 2)
   {
      for (j = 1; j < 26; j++)
      {
         gotoxy(i, j);
         printf("■\n");
      }
   }
}
// 游戏分数和提示
void scoreandtips()
{
   File_out();
   gotoxy(64, 4);
   printf("☆最高记录☆：%d", Highscore);
   gotoxy(64, 8);
   printf("您的得分为：%d", score);
   gotoxy(73, 12);
   printf("小 提 示");
   gotoxy(60, 13);
   printf("╬-----------------------------╬");
   gotoxy(64, 15);
   printf("每个食物得分：10分");
   gotoxy(64, 17);
   printf("不能穿墙，也不能咬到自己哦");
   gotoxy(64, 19);
   printf("请用 ↑ ↓ ← → 分别控制蛇的移动哦");
   gotoxy(64, 21);
   printf("F1 为加速，F2 为减速");
   gotoxy(64, 23);
   printf("space ：暂停游戏");
   gotoxy(64, 25);
   printf("ESC ：退出游戏");
   gotoxy(60, 25);
   printf("╬-----------------------------╬");
}
// 在文件中读取最高分
void File_out()
{
   FILE *fp;
   fp = fopen("save.text ", "a+");
   fscanf(fp, "%d", &Highscore);
   fclose(fp);
}
// 初始化蛇身
void initsnake()
{
   snake *ss;
   int i;
   ss = (snake *)malloc(sizeof(snake));
   ss->x = 24;
   ss->y = 5;
   ss->next = NULL;
   for (i = 1; i <= 2; i++)
   {
      head = (snake *)malloc(sizeof(snake));
      head->next = ss;
      head->x = 24 + i * 2;
      head->y = 5;
      ss = head;
   }
   while (ss != NULL)
   {
      gotoxy(ss->x, ss->y);
      printf("★");
      ss = ss->next;
   }
}
// 绘制食物并随机显现
void createfood()
{
   snake *food1;
   food1 = (snake *)malloc(sizeof(snake));
   //
   srand((unsigned)time(NULL));
   //
   food1->x = rand() % 53 + 2;
   while ((food1->x % 2) != 0)
   {
      //
      food1->x = rand() % 53 + 2;
   }
   //
   food1->y = rand() % 23 + 1;
   //
   q = head;
   while (q->next != NULL)
   {
      //
      if (q->x == food1->x && q->y == food1->y)
      {
         free(food1);
         createfood(); //
      }
      q = q->next;
   }
   //
   gotoxy(food1->x, food1->y);
   color(10);
   printf("★");
   food = food1;
}
// 判断蛇是否咬到自己
int biteself()
{
   snake *self;
   self = head->next;
   while (self != NULL)
   {
      if (self->x == head->x && self->y == head->y)
      {
         return 1;
      }
      self = self->next;
   }
   return 0;
}
// 判断蛇是否撞墙
int cantcrosswall()
{
   if (head->x == 0 || head->x == 56 || head->y == 0 || head->y == 26)
   {
      endgamestatus = 1;
      // endgame();
      return 1;
   }
   return 0;
}

// 蛇减速
void speeddown()
{
   if (sleeptime < 200)
   {
      sleeptime = sleeptime - 10;
      add = add - 2;
      if (sleeptime == 350)
      {
         add = 1;
      }
   }
}
// 蛇加速
void speedup()
{
   if (sleeptime <= 50)
   {
      sleeptime = sleeptime + 30;
      add = add + 2;
   }
}
// 控制方向 snakemove()
int snakemove()
{
   snake *newNode;
   newNode = (snake *)malloc(sizeof(snake));
   if (status == U)
   {
      newNode->x = head->x;
      newNode->y = head->y - 1;
   }
   if (status == D)
   {
      newNode->x = head->x;
      newNode->y = head->y + 1;
   }
   if (status == L)
   {
      newNode->x = head->x - 2;
      newNode->y = head->y;
   }
   if (status == R)
   {
      newNode->x = head->x + 2;
      newNode->y = head->y;
   }
   // 公共代码
   newNode->next = head;
   // 新结点位置赋值给head
   head = newNode;
   // 新结点赋值给head过后，判断是否撞墙了
   if (cantcrosswall())
   {
      status = 0;
      return endgame();
      // return 3;
   }
   // 判断新结点上是否有食物
   q = head;
   if (newNode->x == food->x && newNode->y == food->y)
   {
      while (q != NULL)
      {
         gotoxy(q->x, q->y);
         color(14);
         printf("◆");
         q = q->next;
      }
      // 分值的计算
      score += add;
      speedup();
      scoreandtips();
      // 食物吃掉，再创建
      createfood();
   }
   else
   {
      while (q->next->next != NULL)
      {
         gotoxy(q->x, q->y);
         color(14);
         printf("◆");
         q = q->next;
      }
      // 把倒数第一个变成原来的地图形状
      gotoxy(q->next->x, q->next->y);
      color(3);
      printf("■");
      // 释放内存和指针
      free(q->next);
      q->next = NULL;
   }

   if (biteself() == 1)
   {
      return endgame();
      // return 2;
   }
   return -1;
}

// 控制键盘按键
int keyboardcontrol()
{
   int r;
   status = R;
   while (1)
   {
      scoreandtips();
      if (GetAsyncKeyState(VK_UP) && status != D)
      {
         status = U;
      }
      else if (GetAsyncKeyState(VK_DOWN) && status != U)
      {
         status = D;
      }
      else if (GetAsyncKeyState(VK_LEFT) && status != R)
      {
         status = L;
      }
      else if (GetAsyncKeyState(VK_RIGHT) && status != L)
      {
         status = R;
      }
      if (GetAsyncKeyState(VK_SPACE))
      {
         Sleep(300);
         if (GetAsyncKeyState(VK_SPACE))
         {
            break;
         }
      }
      if (GetAsyncKeyState(VK_ESCAPE))
      {
         endgamestatus = 3;
         break;
      }
      if (GetAsyncKeyState(VK_F1))
      {
         speedup();
      }
      if (GetAsyncKeyState(VK_F2))
      {
         speeddown();
      }
      Sleep(sleeptime);
      r = snakemove();
      if (r != -1) //-1输入错误，重新输入
         return r;
   };
}
// 失败界面
void lostdrew()
{
   system("cls");
   int i;
   gotoxy(45, 2);
   color(6);
   printf("\\\\\\|///");
   gotoxy(43, 3);
   printf("\\\\");
   color(15);
   printf(".-.-");
   color(6);
   gotoxy(54, 3);
   printf("//");
   color(14);
   gotoxy(44, 4);
   printf("(");
   color(15);
   gotoxy(47, 4);
   printf(".@.@");
   color(14);
   gotoxy(54, 4);
   printf(")");
   color(11);
   gotoxy(17, 5);
   printf("+--------------------");
   color(14);
   gotoxy(39, 5);
   printf("oOOo");
   color(11);
   gotoxy(43, 5);
   printf("----------");
   color(14);
   gotoxy(53, 5);
   printf("<_>");
   color(11);
   gotoxy(56, 5);
   printf("----------");
   color(14);
   gotoxy(66, 5);
   printf("oOOo");
   color(11);
   gotoxy(70, 5);
   printf("----------+");
   for (i = 6; i <= 19; i++)
   {
      gotoxy(17, i);
      printf("|");
      gotoxy(82, i);
      printf("|");
   }
   gotoxy(17, 20);
   printf("+----------------------------------");
   gotoxy(52, 20);
   color(14);
   printf("☆☆☆∮");
   gotoxy(60, 20);
   color(11);
   printf("--------------------+");
}
// 结束界面
int endgame()
{
   int r;
   do
   {
      system("cls");

      lostdrew();
      gotoxy(35, 9);
      color(12);
      if (endgamestatus == 1)
      {
         printf("您撞到了墙，因此游戏结束，别气馁，再来一局！");
      }
      else if (endgamestatus == 2)
      {
         // lostdrew();
         // gotoxy(35, 9);
         // color(12);
         printf("您咬到了自己，游戏结束，别气馁，再来一局！");
      }
      else if (endgamestatus == 3)
      {
         // lostdrew();
         gotoxy(40, 9);
         // color(12);
         printf("您自己结束了游戏，是太难了吗");
      }
      color(13);
      gotoxy(43, 12);
      printf("您的得分是：%d", score);
      if (score >= Highscore)
      {
         color(10);
         gotoxy(33, 16);
         printf("创纪录了，再接再厉！");
         File_in();
      }
      else
      {
         color(10);
         gotoxy(33, 16);
         printf("加油，离最高分还差：%d", Highscore - score);
      }
      r = choose();
   } while (r == -1);
   return r;
}
// 将最高分存储进文件
void File_in()
{
   FILE *fp;
   fp = fopen("save.txt", "w+");
   fprintf(fp, "%d", score);
   fclose(fp);
}
// 边框下的分支选项
int choose()
{
   int n;

   color(12);
   gotoxy(25, 23);
   printf("1.我想再战一局"); //
   gotoxy(52, 23);
   color(12);
   printf("2.不玩了，改日再战"); //
   color(11);
   gotoxy(46, 25);
   printf("请选择");
   fflush(stdin);
   scanf("%d", &n);
   if (n == 1)
   {
      // system("cls");
      score = 0;
      sleeptime = 400;
      add = 5;
      return 1;
      // printsnake();
      // welcometogame();
   }
   else if (n == 2)
      // exit(0);
      return 0;

   color(12);
   gotoxy(35, 27);
   printf("※※您的输入有误，请重新输入※※");
   system("pause >nul");
   return -1;
   // endgame();
   //  choose();
}
// 游戏说明
void explation()
{
   int i, j = 1;
   system("cls");
   color(13);
   gotoxy(44, 3);
   printf("游戏说明");
   color(2);
   for (i = 6; i <= 22; i++)
   {
      for (j = 20; j <= 75; j++)
      {
         gotoxy(j, i);
         if (i == 6 || i == 22)
         {
            printf("=");
         }
         if (j == 20 || j == 75)
         {
            printf("||");
         }
      }
   }
   color(3);
   gotoxy(30, 8);
   printf("tip 1: 不能穿墙，也不能咬到自己哦");
   color(10);
   gotoxy(30, 11);
   printf("tip 2：请用↑↓←→分别去控制蛇的移动哦");
   color(14);
   gotoxy(30, 14);
   printf("tip 3: F1为加速，F2为减速");
   color(11);
   gotoxy(30, 17);
   printf("tip 4: 按空格键暂停游戏，再按继续");
   color(4);
   gotoxy(30, 20);
   printf("tip 5: ESC：退出游戏，space：暂停游戏");
   getch();
   // printsnake();
   // welcometogame();
}
// 主函数
int main()
{
   int r;
   system("mode con cols=100 lines=30");
   while (1)
   {
      system("cls");
      printsnake();
      r = welcometogame();
      File_out();
      if (r == 1)
      {
         createMap();
         initsnake();
         scoreandtips();
         createfood();
         if (keyboardcontrol() == 0)
            break;
      }
      else if (r == 2)
         explation();
      else if (r == 3)
         break;
   }
   // endgame();
   getch();
   return 0;
}