c语言项目《商品库存管理系统和贪吃蛇》

做了一个小东西，顺便连在一起了。上！
（相对路径（需要同一个目录下）与绝对路径分辨一下）
#include<stdio.h>
#include<conio.h>
#include<Windows.h>
#include<time.h>
#include<stdlib.h>
#include <mmsystem.h>
#pragma comment(lib, "winmm.lib")
#define FrameX 4
#define FrameY 4
#define Frame_height 20
#define Frame_width 20
void gotoxy(HANDLE hOut, int x, int y);
void Set_TextColor_Green(void);
void make_frame();
void print_information(HANDLE hOut, struct Snake*snake, struct Food *food);
void init_snake(struct Snake*snake);
void print_snake(HANDLE hOut, struct Snake *snake);
void move_snake(HANDLE hOut, struct Snake *snake);
void get_food(HANDLE hOut, struct Snake *snake, struct Food *food);
void eat_food(HANDLE hOut, struct Snake *snake, struct Food *food);
void through_wall(HANDLE hOut, struct Snake *snake, char ch);
int if_die(struct Snake *snake);
void start_game();
void over_game();
int i, j;
int a[2];
struct Snake
{
    int x[100];
    int y[100];
    int count;
    int length;
    int speed;
};
struct Food
{
    int x;
    int y;
};
void main() {
    system("color 0D");
    start_game();
    over_game();
}

//光标移到指定位置
void gotoxy(HANDLE hOut, int x, int y) {
    COORD pos;
    pos.X = x;
    pos.Y = y;
    SetConsoleCursorPosition(hOut, pos);
}
//设置文本为绿色
void Set_TextColor_Green(void) {
    HANDLE Handle = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleTextAttribute(Handle, FOREGROUND_INTENSITY | FOREGROUND_GREEN);
}
void make_frame() {
    HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 13);
    printf("Ese 退出游戏");
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 15);
    printf("长按方向键：加速");
    gotoxy(hOut, FrameX, FrameY);
    printf("╔");
    gotoxy(hOut, FrameX + 2 * Frame_width - 2, FrameY);
    printf("╗");
    gotoxy(hOut, FrameX, FrameY + Frame_height);
    printf("╚");
    gotoxy(hOut, FrameX + 2 * Frame_width - 2, FrameY + Frame_height);
    printf("╝");
    for ( i =2; i < 2*Frame_width-2; i+=2)
    {
        gotoxy(hOut, FrameX + i, FrameY);
        printf("=");//打印上横框
    }
    for ( i = 2; i < 2*Frame_width-2; i+=2)
    {
        gotoxy(hOut, FrameX + i, FrameY + Frame_height);
        printf("="); //打印下横框
    }
    for ( i = 1; i < Frame_height; i++)
    {
        gotoxy(hOut, FrameX, FrameY + i);
        printf("║"); //打印左竖框
    }
    for ( i = 1; i < Frame_height; i++)
    {
        gotoxy(hOut, FrameX + 2 * Frame_width - 2, FrameY + i);
        printf("║");//打印右竖框
    }
    gotoxy(hOut, FrameX + Frame_width - 5, FrameY - 2); //打印游戏名称
    Set_TextColor_Green();//设置蛇为绿色
    printf("贪吃蛇游戏");
}
void over_game(){
    system("cls");
    printf("\n\n\n\n\n\n\n\n\t\t\t\t游戏结束\n\n\n");
    Sleep(2000);
    _getch();
}
void print_information(HANDLE hOut, struct Snake*snake, struct Food *food) {
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 1);
    printf("level:%d", snake->count / 5 + 1);
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 3);
    printf("score:%d", 10 * snake->count);
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 5);
    printf("eat food :%d", snake->count);
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 7);
    printf("speed:%dms", snake->speed);
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 9);
    printf("foodX:%d", food->x);
    gotoxy(hOut, FrameX + 2 * Frame_width + 3, FrameY + 11);
    printf("foodY：%d", food->y);
}
void init_snake(struct Snake*snake)
{
    snake->x[0] = FrameX + 2;
    snake->y[0] = FrameY + Frame_height / 2;
    snake->speed = 300;//初始化蛇的速度为300ms    
    snake->length = 3;
    snake->count = 0;
    for ( i = 1; i < snake->length; i++)
    {/* 依次得到蛇身、蛇头的坐标 */
        snake->x[i] = snake->x[i - 1] + 2;
        snake->y[i] = snake->y[i - 1];
    }
}
void move_snake(HANDLE hOut, struct Snake *snake) {
    gotoxy(hOut, snake->x[0], snake->y[0]);
    printf(" ");
    for ( i = 1; i <snake->length; i++)
    {
        snake->x[i - 1] = snake->x[i];
        snake->y[i - 1] = snake->y[i];
    }
}
/******打印蛇*************************************************************************/
void print_snake(HANDLE hOut, struct Snake *snake) {
    for ( i = 0; i<snake->length; i++)
    {
        gotoxy(hOut, snake->x[i], snake->y[i]);
        if (i == 0)
        {
            printf("○");       //打印蛇尾
        }
        else if(i==snake->length-1)
        {
            printf("¤");       //打印蛇头
        }
        else {
            printf("⊙");       //打印蛇身
        }
    }
}
void get_food(HANDLE hOut, struct Snake *snake, struct Food *food) {
    srand((unsigned)time(NULL));
    while (1)
    {
        food->x = rand() % (Frame_width - 1);
        food->y = rand() % Frame_height;
        if (food->x==0||food->y==0)
        {
            continue;
        }
        food->x = 2 * food->x + FrameX;
        food->y += FrameY;
        for ( i = 0; i <snake->length; i++)
        //判断食物是否在蛇的身上，如果在蛇身上，则重新产生；否则，打印蛇身 
        {
            if (food->x==snake->x[i]&&food->y==snake->y[i])
            {
                break;
            }
        }
        if (i==snake->length)
        {
            gotoxy(hOut, food->x, food->y);
            printf("⊙");
            break;
        }
    }
}
void eat_food(HANDLE hOut, struct Snake *snake, struct Food *food)
{
    if (snake->x[snake->length - 1] == food->x&&snake->y[snake->length - 1] == food->y)
    {
        snake->length++;
        for ( i = snake->length-1; i >=1; i--)
        {
            snake->x[i] = snake->x[i - 1];
            snake->y[i] = snake->y[i - 1];
        }
    snake->x[0] = a[0];
    snake->y[0] = a[1];
    get_food(hOut, snake, food);
    printf("\a");
    snake->count++;
    if (snake->count % 5 == 0)
    {
        snake->speed -= 50;
    }
    }
}
//******穿墙***************
void through_wall(HANDLE hOut, struct Snake *snake, char ch) {
    if (ch==72&&snake->y[snake->length-1]==FrameY)
    {
        snake->y[snake->length - 1] = FrameY + Frame_height - 1;
    }
    if (ch==80&&snake->y[snake->length-1]==FrameY+Frame_height)
    {
        snake->y[snake->length - 1] = FrameY + 1;
    }
    if (ch==75&&snake->x[snake->length-1]==FrameX)
    {
        snake->x[snake->length - 1] = FrameX + 2 * Frame_width - 4;
    }
    if (ch==77&&snake->x[snake->length-1]==FrameX+2*Frame_width-2)
    {
        snake->x[snake->length - 1] = FrameX + 2;
    }
}
//*判断蛇是否死*
int if_die(struct Snake *snake) {
    for ( i = 0; i < snake->length-1; i++)
    {
        if (snake->x[snake->length - 1] == snake->x[i] && snake->y[snake->length - 1] == snake->y[i])
        {
            return 0;
        }
    }
    return 1;
}
//开始游戏
void start_game()
{
    unsigned char ch = 77;
    HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
    struct  Snake s, *snake = &s;
    struct    Food f, *food = &f;
    make_frame();
    init_snake(snake);
    get_food(hOut, snake, food);
    //print_snake(hOut, snake);
    while (1)
    {
        print_information(hOut, snake, food);
        a[0] = snake->x[0];
        a[1] = snake->y[0];
        j = 0;
        if (_kbhit())//判断是否按下键盘，如果按下，ch接收键盘输入 
        {
            ch = _getch();// 如果长按键盘，则加速
            if (_kbhit())
            {
                Sleep(20);
                j = 1;
            }
        }
        switch (ch)
        {
        case 72: {
            move_snake(hOut,snake);
            snake->y[snake->length - 1] -= 1;
            break;
        }
        case 80: {
            move_snake(hOut, snake);
            snake->y[snake->length - 1] += 1;
            break;
        }
        case 75: {
            move_snake(hOut, snake);
            snake->x[snake->length - 1] -= 2;
            break;
        }
        case 77: {
            move_snake(hOut, snake);
            snake->x[snake->length - 1] += 2;
            break;
        }
        }
        through_wall(hOut,snake,ch);
        eat_food(hOut, snake, food);
        print_snake(hOut,snake);
        if (if_die(snake)==0 || ch==27 || snake->speed==50) {
            gotoxy(hOut, FrameX + Frame_width - 2, FrameY + Frame_height / 2 - 1);
            printf("Game Over");
            PlaySound(TEXT("Wannabe.wav"),NULL, SND_FILENAME | SND_SYNC);
            //system("pause");//TEXT("D:\\zzz\\zzd.wav")
            Sleep(2000);
            break;
        }
        if (j == 0)
        {
            Sleep(snake->speed); //延迟时间
        }
        else
        {
            Sleep(10);
        }
    }
}

//#pragma once
#ifndef tou_h
#define tou_h
//#pragma comment(linker, "\"/manifestdependency:type=‘Win32‘ name=‘Microsoft.VC80.CRT‘ version=‘8.0.50608.0‘ processorArchitecture=‘X86‘ publicKeyToken=‘1fc8b3b9a1e18e3b‘ language=‘*‘\"")
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<WinSock2.h>
//#include<stddef.h >
#define PROUDCT_LEN    sizeof(struct Product)
#define FORMAT "% -8d %-15s %-15s %-15s %-15.1lf%-8d\n"
#define DATA astPro[i].iId,astPro[i].acName,astPro[i].acProducer,astPro[i].acDate,astPro[i].dPrice,astPro[i].iAmount
struct Product
{
    int iId;
    char acName[15];
    char acProducer[15];
    char acDate[15];
    double dPrice;
    int iAmount;
} astPro[100];
//struct Product astPro[100];
#endif // !tou_h

#include"tou.h"
void InputProduct()/*????????*/
{
    int i;
    int iMax = 0;/*iMax???????е???????????*/
    char cDecide;/*?洢????????????????ж????*/
    errno_t err;
    FILE*fp;/*??????????*/
    iMax = ShowProduct();
    if ((err = fopen_s(&fp,"product.txt", "ab")) != 0)/*???????????????????*/
    {
        printf("can not open file\n");/*???????????*/
    return;
    }
    printf("press y/Y to input");
    getchar();/*?????1???????????????*/
    cDecide = getchar();/*????????*/
    while (cDecide == ‘y‘ || cDecide == ‘Y‘)/*?ж?????????????*/
    {
        printf("Id:");/*??????????*/
        scanf_s("%d",&astPro[iMax].iId);
        for (i = 0; i < iMax; i++) 
        {
            if (astPro[i].iId == astPro[iMax].iId)/*??????????*/
            {
                printf("the id is existing,press any key to comtinue!");
                _getch();
                fclose(fp);/*????????????inout????*/
                return;
            }
        }
        printf("Name:");/*???????????*/
        scanf_s("%s", &astPro[iMax].acName);
        printf("Producter:");/*?????????????*/
        scanf_s("%s", &astPro[iMax].acProducer);
        printf("Date(Example 15-5-1):");/*???????????????*/
        scanf_s("%s", &astPro[iMax].acDate);
        printf("Price:");/*??????????*/
        scanf_s("%lf", &astPro[iMax].dPrice);
        printf("Amount:");
        scanf_s("%d", &astPro[iMax].iAmount);
        if(fwrite(&astPro[iMax], PROUDCT_LEN, 1, fp) != 1)
        {
        printf("can not save!\n");
        _getch();/*???????????????????仰*/
        }
        else
        {
            printf("product Id %d is saved!\n", astPro[iMax].iId);
            iMax++;
        }
        printf("press y/Y to continue input:");/*?????????*/
        getchar();/*????????????????????????*/
        cDecide = getchar();/*?ж?????y/Y?????????*/
    }
    Sleep(1000);
    fclose(fp);
    printf("Inout is over!\n");
}

#include"tou.h"
void OutputProduct();
void OutputProduct()/*?????????*/
{
    errno_t err;
    FILE *fp;
    /*ild??????????iOut????????????????*/
    int iId,i; 
    int iMax = 0,iOut = 0;
    char cDecide;/*?洢????????????????ж????*/
    iMax = ShowProduct();
    if (iMax <= -1)/*??????????????????м??????????г??????*/
    {
        printf("please input first!");
        return;
    }
    printf("please input the id:");
    scanf_s("%d", &iId);/*????????????????*/
    for (i = 0; i < iMax; i++)
    {
        if (iId == astPro[i].iId)/*???????????*/
        {
            printf("find the product,press y/Y to output:");
            getchar();
            cDecide = getchar();
            if (cDecide == ‘y‘ || cDecide == ‘Y‘)/*?ж????????г???*/
            {
                printf("input the amount to output:");
                scanf_s("%d", &iOut);
                astPro[i].iAmount = astPro[i].iAmount - iOut;
                if (astPro[i].iAmount < 0)/*?????????????????????С*/
                {
                    printf("the amount is less than your input and the amount is 0 now!\n");
                    astPro[i].iAmount = 0;/*?????????????0*/
                }
                /*???д?????????????????????????????*/
                if ((err = fopen_s(&fp,"product.txt", "rb+")) != 0)
                {
                    printf("can not open file\n");
                    return;
                }
                /*???????????????????????λ??*/
                fseek( fp, i*PROUDCT_LEN,0);
                /*д???????????????*/
                if (fwrite(&astPro[i], PROUDCT_LEN, 1, fp) != 1)
                {
                    printf("can not save file!\n");
                    _getch();
                }
                fclose(fp);
                printf("output successfully!\n");
                ShowProduct();/*???????????????????*/
            }
            return;
        }
    }
    printf("can not find the product!\n");/*??????????????????????*/
}

include"tou.h"
void SearchProduct()
{
    int iId, i, iMax = 0;
    char cDecide;
    iMax = ShowProduct();
    if (iMax <= -1)
    {
        printf("please input first!");
        return;
    }
    printf("please input the id");
    scanf_s("%d", &iId);
    for (i = 0; i<iMax; i++)
        if (iId == astPro[i].iId)
        {
            printf("find the product,press y/Y to show:");
            getchar();
            cDecide = getchar();
            if (cDecide == ‘y‘ || cDecide == ‘Y‘)
            {
                printf("id     name     producer     date     price     amount\n");
                printf(FORMAT, DATA);
                return;
            }
        }
    printf("can not find the product");   //提示未查找到商品的信息
}

#include"tou.h"
int ShowProduct()
{
    int i;
    int iMax = 0;
    errno_t err;
    FILE * fp;
    if ((err = fopen_s(&fp, "product.txt", "rb"))!=0)    //只读方式打开二进制文件
    {
        printf("can not open file\n");            //提示无法打开
        return -1;
    }
    while (!feof(fp))    //通过foef来判断文件是否结束
        if (fread(&astPro[iMax],PROUDCT_LEN,1,fp) ==1)
            iMax++;        //统计文件中信息的条数
    fclose(fp);    //文件读取完成后及时关闭
    if (iMax == 0)
        printf("No record in file!\n");    //文件中没有商品信息，提醒用户
    else
    {
        printf("id      name     producer     date     price     amount\n");   //有记录时显示商品信息
        for (i = 0; i < iMax; i++)
        {
            printf(FORMAT, DATA);      //从头文件中调用
        }
    }
    Sleep(1000);
    return iMax;
}

#include"tou.h"
void ModifyProduct();
void ModifyProduct() {
    errno_t err;
    FILE *fp;
    int i, iMax = 0, iId;
    iMax = ShowProduct();
    if (iMax<=-1)
    {
        printf("please input first");
        return;
    }
    printf("please input the id to modify:");
    scanf_s("%d", &iId);
    for ( i = 0; i <iMax; i++)
    {
        if (iId==astPro[i].iId)
        {
            printf("find the product,you can modify!\n");
            printf("id:");
            scanf_s("%d",&astPro[i].iId);
            printf("name:");
            scanf_s("%s",&astPro[i].acName,sizeof(astPro[i].acName));
            printf("producer:");
            scanf_s("%s",&astPro[i].acProducer,sizeof(astPro[i].acProducer));
            printf("Date:");
            scanf_s("%s",&astPro[i].acDate,sizeof(astPro[i].acDate));
            printf("price");
            scanf_s("%lf",&astPro[i].dPrice,sizeof(astPro[i].dPrice));
            printf("Amount:");
            scanf_s("%d", &astPro[i].iAmount,sizeof(astPro[i].iAmount));
            if ((err=fopen_s(&fp,"product.txt","rb+"))!=0)
            {
                printf("can not open\n");
                return;
            }
            fseek(fp, i * PROUDCT_LEN, 0);//int fseek(FILE *stream, long offset, int fromwhere);
            if (fwrite(&astPro[i], PROUDCT_LEN,1,fp)!=1)//size_t fwrite(const void* buffer, size_t size, size_t count, FILE* stream);
            {
                printf("can not save!@");
                _getch();
            }
            fclose(fp);
            printf("modify successful!\n");
            ShowProduct();
            return;
        }
    }
    printf("can not find infomation!\n");
}

#include"tou.h"
void game() {
    printf("game");
    system("cls");
    system("..\\game\\Debug\\snake.exe");
    return 0;
}

 #include"tou.h"
void DeteProduct();
void DeteProduct(){
    errno_t err;
    FILE *fp;
    int i, j, iMax = 0, iId;
    iMax = ShowProduct();
    if (iMax<=-1)
    {
        printf("please input first!");
        return;
    }
    printf("please input the id:");
    scanf_s("%d", &iId);
    for ( i = 0; i < iId; i++)
    {
        if (iId==astPro[i].iId)
        {
            for (j = i; j < iMax; j++)
            {
                astPro[j] = astPro[1 + j];
            }
                iMax--;
                if ((err=fopen_s(&fp,"product.txt","wb")!=0))
                {
                    printf("can not open file\n");
                    return;
                }
                for (j = 0; j < iMax; j++)
                {
                    if (fwrite(&astPro[j], PROUDCT_LEN, 1, fp) != 1)
                    {
                        printf("can not save!");
                        _getch();
                    }
                }
                fclose(fp);
                printf("delete successfully!\n");
                ShowProduct();
                return;
        }
    }
    printf("can not find the product/n");
}

#include"tou.h"
void ShowMenu();
void Set_TextColor_Green(void);
void main() {
    int iItem;
    ShowMenu();
    scanf_s("%d", &iItem);
    while (iItem)
    {
        switch (iItem){
        case 1:InputProduct(); break;
        case 2:OutputProduct(); break;
        case 3:DeteProduct(); break;
        case 4:ModifyProduct(); break;
        case 5:SearchProduct(); break;
        case 6:ShowProduct(); break;
        case 7:game(); break;
        default:printf("input wrong number");
            break;
    }
        _getch;
        ShowMenu();
        scanf_s("%d",&iItem);
    }
}
void ShowMenu() {
    Set_TextColor_Green();
    Sleep(1000);
    system("cls");
    printf("\n\n\n\n\n");
    printf("\t\t\t\t|-----PRODUCT-----|\n");
    printf("\t\t\t\t| 1.input recored |\n");
    printf("\t\t\t\t| 2.output recoeed|\n");
    printf("\t\t\t\t| 3.delete recored|\n");
    printf("\t\t\t\t| 4.modify recored|\n");
    printf("\t\t\t\t| 5.search recored|\n");
    printf("\t\t\t\t| 6.show recored  |\n");
    printf("\t\t\t\t| 7.game          |\n");
    printf("\t\t\t\t| 0.exit      |\n");
    printf("\t\t\t\t|-----------------|\n\n");
    printf("\t\t\tchose(0-7):");
}
void Set_TextColor_Green(void) {
    HANDLE Handle = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleTextAttribute(Handle, FOREGROUND_INTENSITY | FOREGROUND_GREEN);
}