仓库管理系统代码的解决

Question

大学工程实践c语言代码大于250行要求如图，货物类型，货物入库，货物出库，退出

Answer 1

有问题，可以问

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include<time.h>
#define LEN sizeof(shop)

typedef struct shoping {
    char barcode[20];   //编码
    char name[20];      //名字
    float price;        //价格
    int count;          //数量
    struct shoping *next;
} shop;

void welcome() {   //欢迎函数
    printf("\n");
    printf("                * * * * * * * * * * * * * * * * * * * * * * * * *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                *             欢迎使用112仓库管理系统           *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                * * * * * * * * * * * * * * * * * * * * * * * * *\n");
    printf("\n \n \n \n");
}

int verify() {
    int num;
    srand(time(0));   //防止伪随机数 时间复杂度
    char node[7];     //node[6]='\0';
    char node_[6];
    char eng[62]= {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
    for(int i=0; i<6; i++) {
        num=rand()%60+0;
        node[i]=eng[num];  //验证码
    }
    node[6]='\0';     //解决bug

    printf("验证码为:%s    ",node);

    printf("请输入验证码:");
    scanf("%s",node_);
    if(strcmp(node,node_)==0) {
        printf("验证成功!!!\n");
        return 1;
    } else {
        printf("验证失败!!!\n");
        return 2;
    }
}

int lading () {    //登陆函数
    int i=1,j;
    while(i) {
        welcome();
        printf("                       * * * * * * 登陆 * * * * * *\n");
        char name[20];
        char password[20];
        printf("    请输入name:");
        scanf("%s",name);
        printf("\n");
        printf("    请输入password:");
        scanf("%s",password);
        printf("\n");
        j=verify();
        if(strcmp(name,"xiaoyi")==0  && strcmp(password,"112548")==0) {
            if(j == 1) {
                printf("* * * * * * * * * * * * * 登陆成功* * * * * * * * * * * *\n \n \n \n");
                i=0;
                return 1;
            } else if(j == 2) {
                printf("* * * * * * * * *登陆失败，请重新登陆 * * * * * * * * * * * * * *\n \n \n \n");
            }

        } else {
            if(i>0 && i<3)
                printf("* * * * * * * * *登陆失败，请重新登陆 * * * * * * * * * * * * * *\n \n \n \n");
            if((i++)==3) {
                printf("* * * * * * * * * 登陆失败，请重启系统后重试 * * * * * * * * * *\n \n \n \n");
                i=0;
                return 0;
            }
        }
        system("pause");
        system("cls");
    }
}

void byebye() {   //再见函数
    printf("\n");
    printf("                * * * * * * * * * * * * * * * * * * * * * * * * *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                *             感谢使用112仓库管理系统           *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                * * * * * * * * * * * * * * * * * * * * * * * * *\n");
    printf("\n \n \n \n");
}

void menu() {     //菜单函数
    printf("                * * * * * * * * * * * * * * * * * * * * * * * * *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                *          (1) 增加货物                         *\n");
    printf("                *          (2) 删除货物                         *\n");
    printf("                *          (3) 搜索货物                         *\n");
    printf("                *          (4) 查看货物                         *\n");
    printf("                *          (5) 改变货物                         *\n");
    printf("                *          (6) 货物排序                         *\n");
    printf("                *          (7) 保存货物信息                     *\n");
    printf("                *          (8) 查看保存的货物信息               *\n");
    printf("                *          (9) 退出程序                         *\n");
    printf("                *                                               *\n");
    printf("                *                                               *\n");
    printf("                * * * * * * * * * * * * * * * * * * * * * * * * *\n");
}

shop *creat() {    //创建链表
    shop *head=(shop*)malloc(LEN);
    head->next=NULL;
    return head;
}

int add(shop *head,int j) {      //增加函数
    int n;

    printf("输入增加货物的数量：   \n");
    printf("输入0可返回菜单\n");
    scanf("%d",&n);
    if(n == 0) {
        system("cls");
        menu();
    }
    while(n--) {
        if(n<0) {
            printf("您输入的数据有误，请重新输入\n");
            break;
        }
        shop *p=head;
        shop *q=(shop*)malloc(LEN);
tp:
        printf("请输入货物编码  货物名称  货物价格 货物数量\n");
        scanf("%s %s %f %d",q->barcode,q->name,&q->price,&q->count);
        int k=1;            //      查看是否重复
        for(int i=1; i<=j; i++) {
            p=p->next;
            if(strcmp(p->barcode,q->barcode)==0 && strcmp(p->name,q->name)==0) {
                if(p->price==q->price) {
                    printf("货物添加成功!!!\n");      //利用p遍历以前链表
                    p->count+=q->count;
                    free(q);
                    k=2;
                    break;
                } else {
                    printf("货物添加失败\n");
                    free(q);
                    k=3;
                    n++;
                    break;
                }
            } else if(strcmp(p->barcode,q->barcode)==0 || strcmp(p->name,q->name)==0) {
                printf("货物添加失败\n");
                free(q);
                k=4;
                n++;
                break;
            }

        }
        if(k==1) {
            printf("货物添加成功\n");
            p->next=q;
            q->next=NULL;
            j++;
        }
    }
    return j;
}

void print(shop *head) {    //输出函数
    shop *p=head->next;
    while(p) {
        printf("编码:%s\t 货物名称:%s\t 货物价格:%.2f\t货物数量:%d\t\n",p->barcode,p->name,p->price,p->count);
        p=p->next;
    }
}

void change(shop *head) {           //改变函数
    shop *p;
    p=head->next;
    printf("请输入要改变货物的编码：\n");
    printf("输入0可返回菜单\n");
    char barcode[20];
    scanf("%s",barcode);
    if(barcode == 0) {
        system("cls");
        menu();
    }
    int i=1;
    while(p) {
        if(strcmp(p->barcode,barcode)==0) {
            printf("请输入改变后货物的名称 价格 数量\n");
            scanf("%s %f %d",p->name,&(p->price),&p->count);
            i=1;
            break;
        } else {
            i=0;
        }
        p=p->next;
    }

    if(i==0) {
        printf("该货物不存在! ! !\n");
    }
}

void search(shop *head) {        //搜索函数
    shop *p=head->next;

    printf("请输入要搜索的货物的名称:\n");
    printf("输入0可返回菜单\n");
    char name [20];
    scanf("%s",name);
    if(name == 0) {
        system("cls");
        menu();
    }
    int count =0;
    int i=1;
    while(p) {
        if(strcmp(p->name,name)==0) {
            i=1;
            printf("货物的编码为: %s\n货物的名称为：%s\n货物价格为:%.2f\n货物数量为:%d\n",p->barcode,p->name,p->price,p->count);
            break;
        } else {
            i=0;
        }
        p=p->next;
    }

    if(i==0) {
        printf("该货物不存在! ! !\n");
    }

}

void del(shop *head) {         //删除函数
    shop *p=head;
    shop *q=p->next;
    printf("请输入要删除货物的编码:\n");
    printf("输入0可返回菜单\n");
    char del_barcode[20];
    scanf("%s",del_barcode);
    int i=1;
    while(q) {
        if(strcmp(q->barcode,del_barcode)==0) {
            p->next=q->next;
            free(q);
            printf("删除成功!\n");
            i=1;
            break;
        } else {
            p=p->next;
            q=q->next;
            i=0;
        }
    }
    p=p->next;  //
    if(i==0) {
        printf("未找到该货物的编码,删除失败 ! ! !\n");
    }
    if(del_barcode == 0) {
        system("cls");
        menu();
    }
}

void sort(shop *head) { //排序
    int temp;
    char temp_[20];
    float _temp;
    shop *q = head->next;
    shop *p = head->next;
    shop *cur = head->next;
    shop *tail = head;   //标记尾端指针
    while(tail != NULL) {
        tail=tail->next;    //tail为尾节点
    }
    int n;
    printf("输入1按价格排序*******输入2按数量排序\n");
    printf("输入0可返回菜单\n");
    char scan[200];
    while(1) {
        scanf("%s",scan);

        if(scan[0] >= '0' && scan[1] <= '9') {
            if(scan[1] == '\0') {
                break;
            }
        }
        printf("输入指令错误!!!从新输入!!!\n");
    }
    switch(scan[0]) {
        case '1':
            while(p->next != tail) {
                if(scan == 0) {
                    system("cls");
                    menu();
                }
                cur = head->next;
                while(cur->next != tail) {
                    if(cur->price>cur->next->price) {
                        //交换
                        strcpy(temp_,cur->barcode);
                        strcpy(cur->barcode,cur->next->barcode);
                        strcpy(cur->next->barcode,temp_);      //交换条形码
                        strcpy(temp_,cur->name);
                        strcpy(cur->name,cur->next->name);      //交换商品名称
                        strcpy(cur->next->name,temp_);
                        temp = cur->count,
                        cur->count = cur->next->count;   //交换商品数量
                        cur->next->count = temp;
                        _temp = cur->price;
                        cur->price = cur->next->price;   //交换商品价格
                        cur->next->price = _temp;
                    }
                    cur = cur->next;
                }
                tail = cur;

            }
            printf("排序成功!!!\n");
            while(p) {
                printf("货物的编码为: %s\t货物的名称为：%s\t货物价格为:%.2f\t货物数量为:%d\t\n",p->barcode,p->name,p->price,p->count);
                p = p->next;
            }
            break;
        case '2':
            while(p->next != tail) {
                cur = head->next;
                while(cur->next != tail) {
                    if(cur->count>cur->next->count) {             //交换
                        strcpy(temp_,cur->barcode);
                        strcpy(cur->barcode,cur->next->barcode);
                        strcpy(cur->next->barcode,temp_);
                        strcpy(temp_,cur->name);
                        strcpy(cur->name,cur->next->name);
                        strcpy(cur->next->name,temp_);
                        temp = cur->count,
                        cur->count = cur->next->count;
                        cur->next->count = temp;
                        _temp = cur->price;
                        cur->price = cur->next->price;
                        cur->next->price = _temp;
                    }
                    cur = cur->next;
                }
                tail = cur;
            }
            printf("排序成功!!!\n");
            while(p) {
                printf("货物的编码为: %s\t货物的名称为：%s\t货物价格为:%.2f\t货物数量为:%d\t\n",p->barcode,p->name,p->price,p->count);
                p = p->next;
            }
            break;
        default:
            printf("输入的指令不正确，请重新输入!!!\n");
            break;
    }
}
void save(shop *head) {             //保存货物信息
    shop *p=head->next;
    FILE *fp=fopen("货物.txt","w+");
    while(p) {
        fprintf(fp,"编号:%s\t",p->barcode);
        fprintf(fp,"名称:%s\t",p->name);
        fprintf(fp,"价格:%.2f\t",p->price);
        fprintf(fp,"数量:%d\t",p->count);
        p=p->next;
    }
    printf("保存成功!!!\n");
    fclose(fp);
}
void seek() {             //查看保存的货物信息
    char a[100];
    FILE *fp=fopen("货物.txt","r");
    while(fscanf(fp,"%s",a)!=EOF) {
        printf("%s\n",a);
    }
    fclose(fp);
}

int main() {
    system("color 0c");  //设置控制台颜色
    if(lading()) {      //登陆
    shop *head=creat();
    shop *p=head;
    int i=1;
    while(i) {
        system("pause");
        system("cls");
        menu();
        printf("                          请输入数字 以实现对应的功能:\n");
        scanf("%d",&i);
        if(i==0) {
            printf("输入错误，请重新输入！\n");
            system("pause");
            fflush(stdin);
            continue;
        }
        switch(i) {
            case 1:
                int k;
                static int j;
                k=add( p , j );
                j=k;
                break;              //增加货物
            case 2:
                del(p);
                break;             //删除货物
            case 3:
                search(p);
                break;             //搜索货物
            case 4:
                print(p);
                break;                                     //查看所有货物
            case 5:
                change(p);
                break;                                   //改变货物的属性
            case 6:
                sort(p);                          //对保存的货物进行排序
                break;
            case 7:
                save(p);                     //保存货物数据
                break;
            case 8:
                seek();                       //查看保存的货物数据
                break;
            case 9:
                system("cls");
                byebye();  //再见
                exit(1);
                break;
            default:
                printf("输入的指令不正确，请重新输入!!!\n");
                break;
        }
    }
    }
    system("pause");
    system("cls");

    return 0;
}