C语言商品库存管理系统

1、C语言商品库存管理系统C语言商品库存管理系统C语言商品库存管理系统C语言商品库存管理系统编制仅供参考审核批准生效日期地址： 电话：传真: 邮编:建议使用VS打开运行#pragma once#includetypedef struct information void menu(inf *head) av), NULL, SND_FILENAME | SND_ASYNC | SND_LOOP); system(color 3B); printf(tt*n); printf(tttt欢迎进入商品库存管理系统n); printf(tt*n); printf(n); printf(tt|=|n); p

2、rintf(tt|_基本信息_|n); printf(tt| 1.商品信息录入 | 2.添加商品信息 |n); printf(tt| 3.查找商品信息 | 4.修改商品信息 |n); printf(tt| 5.删除商品信息 | 6.保存文件信息 |n); printf(tt| 7.读取文件信息 | 8.显示商品信息 |n); printf(tt| 9.按价格从高到低进行排序 |n); printf(tt|_0.释放链表。退出_|); printf(nttt请输入你的选项（0-8）:n); printf(n); printf(t请输入你的选择: n);inf *create() n); exit

3、(0); p-next = NULL; return (p);void Input(inf *head) n); exit(0); printf(请输入商品:编号，名称，价格，数量：生产日期n); printf(编号:); scanf(%s, p-number); printf(名称:); scanf(%s, p-sname); printf(价格:); scanf(%f, &p-price); printf(数量:); scanf(%d, &p-count); printf(生产日期：); scanf(%s,p-dath); p-next = NULL; while (head-next !

4、= NULL) head = head-next; head-next = p; void tianjia( inf *head) f 数量:%d 生产日期：%sn, p-number, p-sname, p-price, p-count,p-dath); p = p-next; printf(商品总数为：%d n, n);void chaxun(inf *head) 编号查询n); printf(t 2.按名称查询n); printf(请输入你的选择：n); scanf(%d, &a); if (a = 1) chaxun_number(head);f.数量:%d,生产日期：%sn, p-n

5、umber, p-sname, p-price, p-count,p-dath); if (inumber, p-sname, p-price, p-count,p-dath); if (inext != NULL) p = p-next; if (strcmp(p-number, no) = 0) i = 1; printf(已找到该商品n请输入新的的编号，名称，价格，数量：生产日期：n); printf(编号:); scanf(%s, p-number); printf(名称:); scanf(%s, p-sname); printf(价格:); scanf(%f, &p-price);

6、printf(数量:); scanf(%d, &p-count); printf(生产日期：); scanf(%s,p-dath); if (inext; if (p = NULL) printf(没有商品信息，请先保存商品信息!n); printf(tt 请输入要修改的内容n); printf(tt 1.修改编号 2.修改名称n); printf(tt 3.修改价格 4.修改数量n); printf(tt 5.修改生产日期n); printf(请选择 n); scanf(%d, &b); switch (b) case 1: printf(请输入原商品编号:n); scanf(%s, &nu

7、mber2); while (p != NULL) if (strcmp(p-number, number2) = 0) printf(已找到该商品n请输入新的编号:n); scanf(%s, &p-number); p = p-next; printf(该商品信息已修改成功。n); break; case 2: printf(请输入原名称:n); scanf(%s, &name2); while (p != NULL) if (strcmp(p-sname, name2) = 0) printf(请输入新的名称：n); scanf(%s, &p-sname); break; p = p-ne

8、xt; printf(该商品信息已修改成功。n); break; case 3: printf(请输入该商品编号：); scanf(%s,&number2); printf(请输入原价格:n); scanf(%f, &price2); while (p != NULL) if (strcmp(p-number, number2) = 0&price2=p-price) printf(请输入新的价格：n); scanf(%f, &p-price); break; p = p-next; printf(该商品信息已修改成功。n); break; case 4: printf(请输入该商品编号：);

9、 scanf(%s,&number2); printf(请输入被修改的数量:n); scanf(%d, &count2); while (p != NULL) if (count2 = p-count&strcmp(p-number, number2) = 0) printf(请输入新的数量：n); scanf(%d, &p-count); break; p = p-next; printf(该商品信息已修改成功。n); break; default: printf(修改内容有错误!n); void shanchu(inf *head) 编号删除 2.按名称删除n); printf(tt请输入

10、选项：n); scanf(%d, &a); switch (a) case 1: char number20; int i = -1; inf *p, *h; p = head; printf(请输入你要删除的商品的编号：n); scanf(%s, number); while (p-next != NULL) if (strcmp(number, p-next-number) = 0) i = 1; h = p-next; p-next = p-next-next; free(h); printf(已删除该商品信息。n); break; p = p-next; if (inext != NU

11、LL) if (strcmp(name, p-next-sname) = 0) i = 1; h = p-next; p-next = p-next-next; free(h); printf(已删除该商品信息。n); break; p = p-next; if (inext != NULL) p = p-next; fwrite(p, sizeof(struct information), 1, fp); fclose(fp);inf *Read_file() xt, rb) = NULL) printf(不能打开文件!n); exit(0); if (fread(head, sizeof(

12、struct information), 1, fp) d = head; while (fread(p, sizeof(struct information), 1, fp) d-next = p; d = p; p = (inf *)malloc(sizeof(struct information); d -next = NULL; fclose(fp); return (head);void freeh(inf *head) /释放空间 退出程序 inf *p; p = (inf *)malloc(sizeof(struct information); p = head; while (

13、head-next != NULL) head = head-next; free(p); p = head; free(p);void paixu(inf *head) inf *p=head,*q=NULL,*t=NULL,*subhead=NULL; int i, j, count = 0; while (p-next != NULL) count+; p = p-next; for (i = 0; i next; q = p-next; for (j = 0; j price price) subhead-next = p-next; p-next = q-next; q-next =

14、 p; t= p; p = q; q = t; subhead = subhead-next; p = p-next; q = q-next; output(head);int main() inf *head; head = (inf*)malloc(sizeof(struct information); head = create(); while (1) menu(head); int h; scanf(%d, &h); switch (h) /功能选择 case 1: Input( head); Sleep(500); break; case 2: tianjia( head); Sleep(1000); break; case 3: chaxun(head); break; case 4: xiugai(head); write_file(head); break; case 5: shanchu(head); write_file(head); output(head); break; case 6: write_file(head); printf(t已经成功保存信息！tn); Sleep(1000); break;