c语言水果商店库存管理系统代码

以下是一个简单的C语言水果商店库存管理系统代码示例：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_FRUITS 100

typedef struct {
    char name[20];
    int quantity;
    float price;
} Fruit;

Fruit fruits[MAX_FRUITS];
int num_fruits = 0;

void add_fruit() {
    if (num_fruits == MAX_FRUITS) {
        printf("Error: Maximum number of fruits reached.\n");
        return;
    }

    Fruit new_fruit;
    printf("Enter the name of the fruit: ");
    scanf("%s", new_fruit.name);
    printf("Enter the quantity of the fruit: ");
    scanf("%d", &new_fruit.quantity);
    printf("Enter the price of the fruit: ");
    scanf("%f", &new_fruit.price);

    fruits[num_fruits] = new_fruit;
    num_fruits++;

    printf("Fruit added successfully.\n");
}

void remove_fruit() {
    char name[20];
    printf("Enter the name of the fruit to remove: ");
    scanf("%s", name);

    int found = 0;
    for (int i = 0; i < num_fruits; i++) {
        if (strcmp(name, fruits[i].name) == 0) {
            found = 1;
            for (int j = i; j < num_fruits - 1; j++) {
                fruits[j] = fruits[j + 1];
            }
            num_fruits--;
            printf("Fruit removed successfully.\n");
            break;
        }
    }

    if (!found) {
        printf("Error: Fruit not found.\n");
    }
}

void display_fruits() {
    printf("Name\tQuantity\tPrice\n");
    for (int i = 0; i < num_fruits; i++) {
        printf("%s\t%d\t\t%.2f\n", fruits[i].name, fruits[i].quantity, fruits[i].price);
    }
}

int main() {
    int option = 0;
    while (option != 4) {
        printf("1. Add a fruit\n");
        printf("2. Remove a fruit\n");
        printf("3. Display all fruits\n");
        printf("4. Exit\n");
        printf("Enter your choice: ");
        scanf("%d", &option);

        switch (option) {
            case 1:
                add_fruit();
                break;
            case 2:
                remove_fruit();
                break;
            case 3:
                display_fruits();
                break;
            case 4:
                printf("Exiting...\n");
                break;
            default:
                printf("Invalid option.\n");
                break;
        }
    }

    return 0;
}

此代码允许用户添加、删除和显示水果库存。它使用结构体来存储每个水果的名称、数量和价格。用户可以通过菜单选择操作，并可以在需要时退出程序。