小型图书管理系统C语言程序

小型图书管理系统C语言程序#include#include#includestruct book char writer20; char title20; char publishinghouse20; char number10; float price; struct book * next;struct book * Create_Book();void Insert(struct book * head);void Delete(struct book * head);void Print_Book(struct book * head);void search_book(struct book * head);void change_Book(struct book * head);void save(struct book * head);struct book * Create_Book()struct book * head;head=(struct book *)malloc(sizeof(struct book);head-next=NULL;return head;void save(struct book * head)struct book *p;FILE *fp;p=head;fp=fopen(kucun.txt,w+);fprintf(fp,*n);fprintf(fp,书号t 书名t 作者t 出版社t 价格t n); fprintf(fp, n);while(p-next!= NULL)p=p-next;fprintf(fp,%st %st %st %st %.2ft n,p-number,p-title,p-writer,p-publishinghouse,p-price);fprintf(fp,*n);fclose(fp);printf( 已将图书数据保存到 kucun.txt 文件n);/插入/void Insert(struct book *head) struct book *s, *p,*p1,*swap; char flag=Y; swap=(struct book *)malloc(sizeof(struct book); p1=swap; p=head; while(flag=Y|flag=y) s=(struct book *)malloc(sizeof(struct book); printf(n 请输入图书书号:); fflush(stdin); scanf(%s,s-number); printf(n 请输入图书书名:); fflush(stdin); scanf(%s,s-title); printf(n 请输入图书作者名:); fflush(stdin); scanf(%s,s-writer); printf(n 请输入图书出版社:); fflush(stdin); scanf(%s,s-publishinghouse); printf(n 请输入图书价格:); fflush(stdin); scanf(%f,&s-price); printf(n);/排序/ p1=p-next; if(head-next!=NULL) do if(strcmp(p1-number),(s-number)0) strcpy(swap-number,p1-number); strcpy(swap-title,p1-title); strcpy(swap-writer,p1-writer); strcpy(swap-publishinghouse,p1-publishinghouse); swap-price=p1-price; strcpy(p1-number,s-number); strcpy(p1-title,s-title); strcpy(p1-writer,s-writer); strcpy(p1-publishinghouse,s-publishinghouse); p1-price=s-price; strcpy(s-number,swap-number); strcpy(s-title,swap-title); strcpy(s-writer,swap-writer); strcpy(s-publishinghouse,swap-publishinghouse); s-price=swap-price; p=p1; p1=p-next; while(p1!=NULL); p-next=s; s-next=NULL; printf( * 添加成功！*); printf(n 继续添加？(Y/N):); fflush(stdin); scanf(%c,&flag); printf(n); if(flag=N|flag=n) break; else if(flag=Y|flag=y) continue; save(head);/查找/void search_book(struct book *head) struct book * p; char temp20; p=head; if(head=NULL | head-next=NULL) printf( * 图书库为空！*n); else printf(请输入您要查找的书名: ); fflush(stdin); scanf(%s,temp); while(p-next!= NULL) p=p-next; if(strcmp(p-title,temp)=0) printf(n图书已找到!n); printf(n); printf(书号: %stn,p-number); printf(书名: %stn,p-title); printf(作者名: %stn,p-writer); printf(出版社: %stn,p-publishinghouse); printf(价格: %.2ftn,p-price); if(p-next=NULL) printf(n查询完毕!n); void Print_Book(struct book * head) struct book * p; if(head=NULL | head-next=NULL) printf(n * 没有图书记录! *nn); p=head; printf(*n); printf( 书号t书名t作者t出版社t价格tn); printf(*n); while(p-next!= NULL) p=p-next; printf(%st%st%st%st%.2ftn,p-number,p-title,p-writer,p-publishinghouse,p-price); printf(*n); printf(n);/更改/void change_Book(struct book * head)struct book * p;int panduan=0;char temp20;p=head;printf(请输入要修改图书的书号:);scanf(%s,temp);while(p-next!= NULL)p=p-next;if(strcmp(p-number,temp)=0) printf(n 请输入图书书名:); fflush(stdin); scanf(%s,p-title); printf(n 请输入图书作者名:); fflush(stdin); scanf(%s,p-writer); printf(n 请输入图书出版社:); fflush(stdin); scanf(%s,p-publishinghouse); printf(n 请输入图书价格:); fflush(stdin); scanf(%f,&p-price); printf(n); panduan=1; if(panduan=0) printf( n*没有图书记录!*nn);/删除/void Delete(struct book *head) struct book *s,*p; char temp20; int panduan; panduan=0; p=s=head; printf( 请输入您要删除的书名:); scanf(%s,temp); p=p-next; while(p!= NULL) if(strcmp(p-title,temp)=0) panduan=1; break; p=p-next; if(panduan=1) while(s-next!=p) s=s-next; s-next=p-next; free(p); printf(n * 删除成功!*n); save(head); else printf( 您输入的书目不存在，请确认后输入!n); /主函数/void main() struct book * head; int choice; head=NULL; while(1) printf( *n); printf( * 小型图书管理系统 *n); printf( * *n); printf( * 1图书信息录入 *n); printf( * *n); printf( * 2图书信息浏览 *n); printf( * *n); printf( * 3图书信息查询 *n); printf( * *n); printf( * 4图书信息修改 *n); printf( * *n); printf( * 5图书信息删除 *n); printf( * *n); printf( * 6退出系统 *n); printf( *n); printf( 请选择:); fflush(stdin); scanf(%d,&choice); switch (choice) case 1: if(head=NULL) head=Create_Book(); Insert(head); break; case 2: Prin