C語言版商品庫存管理系統(tǒng).doc

建議使用VS打開運行#pragma once#includetypedef struct information /商品信息 char number20; /編號 char sname20; /名稱 float price; /價格 int count; /數(shù)量 char dath20; /生產(chǎn)日期 struct information *next;inf;void menu(inf *head); /顯示主菜單 inf *create(); /創(chuàng)建鏈表 void Input(inf *head); /輸入商品信息 void tianjia(inf *head); /添加商品信息 void output(inf *head); /輸出商品信息 void chaxun(inf *head); /查詢商品信息void chaxun_number(inf *head); /按編號查詢 void chaxun_sname(inf *head); /按名稱查詢 void xiugai(inf *head); /修改商品信息 void shanchu(inf *head); /刪除商品信息 void write_file(inf *head); /保存商品信息到文件 void paixu(inf *head);inf *Read_file(); /讀取文件內(nèi)商品信息 void freeh(inf *head); /退出程序 #define _CRT_SECURE_NO_WARNINGS#include #include #include #include #include #include #pragma comment(lib, WINMM.lib)#include標頭.hvoid menu(inf *head) /顯示菜單 PlaySound(TEXT(sounds背景.wav), NULL, SND_FILENAME | SND_ASYNC | SND_LOOP); system(color 3B); printf(tt*n); printf(tttt歡迎進入商品庫存管理系統(tǒng)n); printf(tt*n); printf(n); printf(tt|=|n); printf(tt|_基本信息_|n); printf(tt| 1.商品信息錄入 | 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.刪除商品信息 | 6.保存文件信息 |n); printf(tt| 7.讀取文件信息 | 8.顯示商品信息 |n); printf(tt| 9.按價格從高到低進行排序 |n); printf(tt|_0.釋放鏈表。退出_|); printf(nttt請輸入你的選項（0-8）:n); printf(n); printf(t請輸入你的選擇: n);inf *create() /創(chuàng)建鏈表 inf *p; p = (inf *)malloc(sizeof(struct information); if (p = NULL) printf(鏈表創(chuàng)建失敗.n); exit(0); p-next = NULL; return (p);void Input(inf *head) /錄入貨物信息 inf *p; int i,n; printf(請輸入：你想錄入多少個商品信息: n ); scanf(%d, &n); for (i = 1; i number); printf(名稱:); scanf(%s, p-sname); printf(價格:); scanf(%f, &p-price); printf(數(shù)量:); scanf(%d, &p-count); printf(生產(chǎn)日期：); scanf(%s,p-dath); p-next = NULL; while (head-next != NULL) head = head-next; head-next = p; void tianjia( inf *head) /添加貨物信息 inf *p; int i,n; printf(請輸入：你想添加多少個商品信息: n); scanf(%d, &n); for (i = 1; i number); printf(名稱:); scanf(%s, p-sname); printf(價格:); scanf(%f, &p-price); printf(數(shù)量:); scanf(%d, &p-count); printf(生產(chǎn)日期：); scanf(%s,p-dath); p-next = NULL; while (head-next != NULL) head = head-next; head-next = p; void output(inf *head) /輸出貨物信息 int n = 0; inf *p; p = head-next; if (p = NULL) printf(鏈表為空，請先輸入信息！n); return; while (p != NULL) n+; printf(商品信息：編號: %s，名稱:%s，價格:%.2f 數(shù)量:%d 生產(chǎn)日期：%sn, p-number, p-sname, p-price, p-count,p-dath); p = p-next; printf(商品總數(shù)為：%d n, n);void chaxun(inf *head) /查詢貨物信息 函數(shù) int a; printf(tt查詢信息n); while (1) printf(t 1.按編號查詢n); printf(t 2.按名稱查詢n); printf(請輸入你的選擇：n); scanf(%d, &a); if (a = 1) chaxun_number(head);/調(diào)用按編號查詢的函數(shù) break; if (a = 2) chaxun_sname(head);/調(diào)用按名稱查詢的函數(shù) break; if (a != 1 & a != 2) printf(輸入錯誤！n); break; getchar(); void chaxun_number(inf *head) /按編號查詢 char num20; inf *p; int i = -1; p = head; printf(請輸入你要查詢的商品的編號：); scanf(%s, num); while (p-next != NULL) p = p-next; if (strcmp(p-number, num) = 0) i = 1; printf(已找到該商品信息n); printf(貨物信息：編號:%s，名稱:%s，價格:%.2f.數(shù)量:%d,生產(chǎn)日期：%sn, p-number, p-sname, p-price, p-count,p-dath); if (inext != NULL) p = p-next; if (strcmp(p-sname, a) = 0) i = 1; printf(已找到該商品信息n); printf(商品信息：編號:%s，名稱:%s，價格:%.2f.數(shù)量:%d,生產(chǎn)日期n, p-number, p-sname, p-price, p-count,p-dath); if (inext != NULL) p = p-next; if (strcmp(p-number, no) = 0) i = 1; printf(已找到該商品n請輸入新的的編號，名稱，價格，數(shù)量：生產(chǎn)日期：n); printf(編號:); scanf(%s, p-number); printf(名稱:); scanf(%s, p-sname); printf(價格:); scanf(%f, &p-price); printf(數(shù)量:); scanf(%d, &p-count); printf(生產(chǎn)日期：); scanf(%s,p-dath); if (inext; if (p = NULL) printf(沒有商品信息，請先保存商品信息!n); printf(tt 請輸入要修改的內(nèi)容n); printf(tt 1.修改編號 2.修改名稱n); printf(tt 3.修改價格 4.修改數(shù)量n); printf(tt 5.修改生產(chǎn)日期n); printf(請選擇 n); scanf(%d, &b); switch (b) case 1: printf(請輸入原商品編號:n); scanf(%s, &number2); while (p != NULL) if (strcmp(p-number, number2) = 0) printf(已找到該商品n請輸入新的編號:n); scanf(%s, &p-number); p = p-next; printf(該商品信息已修改成功。n); break; case 2: printf(請輸入原名稱:n); scanf(%s, &name2); while (p != NULL) if (strcmp(p-sname, name2) = 0) printf(請輸入新的名稱：n); scanf(%s, &p-sname); break; p = p-next; printf(該商品信息已修改成功。n); break; case 3: printf(請輸入該商品編號：); scanf(%s,&number2); printf(請輸入原價格:n); scanf(%f, &price2); while (p != NULL) if (strcmp(p-number, number2) = 0&price2=p-price) printf(請輸入新的價格：n); scanf(%f, &p-price); break; p = p-next; printf(該商品信息已修改成功。n); break; case 4: printf(請輸入該商品編號：); scanf(%s,&number2); printf(請輸入被修改的數(shù)量:n); scanf(%d, &count2); while (p != NULL) if (count2 = p-count&strcmp(p-number, number2) = 0) printf(請輸入新的數(shù)量：n); scanf(%d, &p-count); break; p = p-next; printf(該商品信息已修改成功。n); break; default: printf(修改內(nèi)容有錯誤!n); void shanchu(inf *head) /刪除貨物信息 int a; printf(tt 1.按編號刪除 2.按名稱刪除n); printf(tt請輸入選項：n); scanf(%d, &a); switch (a) case 1: char number20; int i = -1; inf *p, *h; p = head; printf(請輸入你要刪除的商品的編號：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(已刪除該商品信息。n); break; p = p-next; if (inext != NULL) if (strcmp(name, p-next-sname) = 0) i = 1; h = p-next; p-next = p-next-next; free(h); printf(已刪除該商品信息。n); break; p = p-next; if (inext != NULL) p = p-next; fwrite(p, sizeof(struct information), 1, fp); fclose(fp);inf *Read_file() /讀取文件內(nèi)的貨物信息 inf *p, *d, *head; FILE *fp; head = (inf *)malloc(sizeof(struct information); p = (inf *)malloc(sizeof(struct information); if (fp = fopen(商品信息.txt, rb) = NULL) printf(不能打開文件!n); exit(0); if (fread(head, sizeof(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) /釋放空間 退出程序 inf *p; p = (inf *)malloc(sizeof(struct information); p = head; while (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 = p; t= p; p = q; q = t; subhead = subhead-next; p = p-next; q = q-next; output(head);int main() i