语言图书管理系统1

1、#include<stdio.h>#include<stdlib.h>#include<string.h>typedef struct linkchar number100;char bookname100;char author100;char publish100;char time100;char status100;float price;struct link *next;link;link *Cbook();void mainmenu();void menu1();void glmenu();void cxmenu();void jhmenu()

2、;void print(link*head);void hold(link*head);void holdcx(link*t);link *findnumber(link*head);link *findbookname(link*head);link *findauthor(link*head);link *add(link*head);link *sortnumber(link*head);link *delbook(link*head);link *revamp(link*head);link *borrowbook(link*head);link *returnbook(link*he

3、ad);int main()int a,b,c,d,e;link *h,*t;L:system("cls"); mainmenu(); while(1) scanf("%d",&a); switch(a) case 1: B:system("cls"); menu1(); while(1) scanf("%d",&b); switch(b) case 1: h=Cbook(); break; case 2: system("cls"); glmenu(); while(1) sc

4、anf("%d",&c); switch(c) case 1: print(h); break; case 2: h=add(h); h=sortnumber(h); print(h); break; case 3: revamp(h); break; case 4: h=delbook(h); print(h); break; case 5: hold(h); break; case 6: goto B; break; break; case 3: system("cls"); cxmenu(); while(1) scanf("%d

5、",&d); switch(d) case 1: print(h); break; case 2: t=findnumber(h); if(t=NULL) printf("抱歉,没有找到您要查询的图书!"); else printf("您想要查询的为:"); printf("n"); printf("n*n"); printf("n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n"); printf("n"); printf("%st%

6、st%st%st%st",t->number,t->bookname,t->author,t->publish,t->time); printf("tt%.2f",t->price); printf("tt%s",t->status); break; case 3: t=findbookname(h); if(t=NULL) printf("抱歉,没有找到您要查询的图书!"); else printf("您要查询的图书为:"); printf("n&qu

7、ot;); printf("n*n"); printf("n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n"); printf("n"); printf("%st%st%st%st%st",t->number,t->bookname,t->author,t->publish,t->time); printf("tt%.2f",t->price); printf("tt%s",t->status); break; case

8、 4: t=findauthor(h); if(t=NULL) printf("抱歉,没有找到您要查询的图书!"); else printf("您要查询的图书为:"); printf("n"); printf("n*n"); printf("n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n"); printf("n"); printf("%st%st%st%st%st",t->number,t->bookname,t->au

9、thor,t->publish,t->time); printf("tt%.2f",t->price); printf("tt%s",t->status); break; case 5: holdcx(t); break; case 6: goto B; break; break; case 4: system("cls"); jhmenu(); while(1) scanf("%d",&e); switch(e) case 1: borrowbook(h); break; case

10、 2: returnbook(h); break; case 3: goto B; break; break; case 5: hold(h); break; case 6: system("cls"); menu1(); break; case 7: goto L; break; break; case 0: printf("ttt感谢您的使用,再见!"); exit(0); ; return 0; link *Cbook()int n=0;link *p,*q,*head;FILE *fp;fp=fopen("图书信息.txt",

11、"r+");if(fp=NULL)printf("没有找到文件,请检查.");p=(link *)malloc(sizeof(link);if(p=NULL)printf("申请内存出错!n");fscanf(fp,"%s%s%s%s%s",p->number,p->bookname,p->author,p->publish,p->time);fscanf(fp,"%f",&p->price);fscanf(fp,"%s",p-&g

12、t;status);while(feof(fp)=0)n+;if(n=1)head=p;elseq=p;p=(link *)malloc(sizeof(link);if(p=NULL)printf("申请内存出错!n");fscanf(fp,"%s%s%s%s%s",p->number,p->bookname,p->author,p->publish,p->time); fscanf(fp,"%f",&p->price); fscanf(fp,"%s",p->sta

13、tus); q->next=p;p->next=NULL;fclose(fp);printf("信息已录入!");return head;void mainmenu()printf("n*n");printf("n 欢迎使用图书管理系统 n");printf("n 1.进入系统 n");printf("n 0.退出系统 n");printf("n*n");printf("n请选择:");void menu1()printf("n*n&

14、quot;);printf("n 1.录入所有图书信息 n");printf("n 2.进入图书管理系统 n");printf("n 3.进入图书查询系统 n");printf("n 4.进入图书借还系统 n");printf("n 5.保存所有图书信息 n");printf("n 6.显示菜单 n");printf("n 7.返回上级菜单 n");printf("n*n");printf("请选择:");void

15、glmenu()printf("n*n"); printf("n 1.显示所有图书信息 n");printf("n 2.添加一本图书信息 n");printf("n 3.修改一本图书信息 n");printf("n 4.删除一本图书信息 n");printf("n 5.保存所有图书信息 n");printf("n 6.返回上级菜单 n");printf("n*n");printf("请选择:");void cxmen

16、u()printf("n*n"); printf("n 1.显示所有图书信息 n");printf("n 2.按编号查询图书 n");printf("n 3.按书名查询图书 n");printf("n 4.按作者查询图书 n");printf("n 5.保存所查询图书信息 n");printf("n 6.返回上级菜单 n");printf("n*n");printf("请选择:");void jhmenu()prin

17、tf("n*n");printf("n 1.借书 n");printf("n 2.还书 n");printf("n 3.返回上级菜单 n");printf("n*n");printf("请选择:");void print(link *head)link *p;p=head;if(p=NULL)printf("文件中没有图书信息n");elseprintf("n");printf("n*n");printf("

18、;n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n");while(p!=NULL)printf("n"); printf("%stt%stt%stt%stt%s",p->number,p->bookname,p->author,p->publish,p->time);printf("tt%.2f",p->price);printf("tt%s",p->status);printf("n");p=p->next;void h

19、old(link *head)link *p;FILE *fp;fp=fopen("图书信息.txt","w+");if(fp=NULL)printf("文件操作出错!");exit(1);p=head;for(;p!=NULL;p->next)fprintf(fp,"n");fprintf(fp,"%stt%stt%stt%stt%s",p->number,p->bookname,p->author,p->publish,p->time);fprintf(f

20、p,"tt%.2f",p->price);fprintf(fp,"tt%s",p->status);fclose(fp);printf("信息已保存!");void holdcx(link *t)link *p=NULL;FILE *fp;fp=fopen("查询.txt","a+");p=t;fprintf(fp,"查询到的信息为:n");fprintf(fp,"n");fprintf(fp,"n*n");fprintf(

21、fp,"n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n");fprintf(fp,"n");fprintf(fp,"%stt%stt%stt%stt%s",p->number,p->bookname,p->author,p->publish,p->time);fprintf(fp,"tt%.2f",p->price);fprintf(fp,"tt%s",p->status);fprintf(fp,"n");fclose

22、(fp);printf("信息已保存!");link *findnumber(link *head)char key100;link *h,*t1=NULL;printf("请输入图书的编号:");getchar();gets(key);for(h=head;h!=NULL;h=h->next)if(strcmp(key,h->number)=0)t1=h;break;return t1;link *findbookname(link *head)char key100;link *h,*t2=NULL;printf("请输入图书的

23、书名:");getchar();gets(key);for(h=head;h!=NULL;h=h->next)if(strcmp(key,h->bookname)=0)t2=h;break;return t2;link *findauthor(link *head)char key100;link *h,*t3=NULL;printf("请输入作者姓名:");getchar();gets(key);for(h=head;h!=NULL;h=h->next)if(strcmp(key,h->author)=0)t3=h;break;retur

24、n t3;link *add(link *head)link *h,*h1;h1=head;h=(link *)malloc(sizeof(link);if(h=NULL)printf("申请内存出错!");exit(1);printf("请输入添加图书的信息:");printf("n");printf("n*n");printf("n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n");printf("n");scanf("%stt%stt%stt%s

25、tt%s",h->number,h->bookname,h->author,h->publish,h->time); scanf("tt%f",&h->price);scanf("tt%s",h->status);h->next=h1;return h;link *sortnumber(link *head)link *p,*q,*temp;temp=(link *)malloc(sizeof(link);if(temp=NULL)printf("申请内存出错!");e

26、xit(1);for(p=head;p!=NULL;p=p->next)for(q=p->next;q!=NULL;q=q->next)if(strcmp(p->number,q->number)>0)strcpy(temp->number,p->number);strcpy(temp->bookname,p->bookname);strcpy(temp->author,p->author);strcpy(temp->publish,p->publish);strcpy(temp->time,p->

27、time);temp->price=p->price;strcpy(temp->status,p->status);strcpy(p->number,q->number);strcpy(p->bookname,q->bookname);strcpy(p->author,q->author);strcpy(p->publish,q->publish);strcpy(p->time,q->time);p->price=q->price;strcpy(p->status,q->status);

28、strcpy(q->number,temp->number);strcpy(q->bookname,temp->bookname);strcpy(q->author,temp->author);strcpy(q->publish,temp->publish);strcpy(q->time,temp->time);q->price=temp->price;strcpy(q->status,temp->status);return head;link *delbook(link *head)int k=0;char

29、 str10;link *h,*t,*p;h=t=p=head;printf("请输入要删除的图书名:");getchar();gets(str);for(;p!=NULL;p->next)k+;if(k>2)t=t->next;if(strcmp(p->bookname,str)=0)&&(k=1)h=p->next;else if(strcmp(p->bookname,str)=0&&k>1)t->next=p->next;else if(strcmp(p->bookname,s

30、tr)=0&&p->next=NULL)t=NULL;return h;link *revamp(link *head)link *h,*t;h=head;t=findbookname(h);if(t=NULL)printf("没有找到.");elseprintf("修改前图书信息为:");printf("n");printf("n*n"); printf("n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n"); printf("n");

31、printf("%stt%stt%stt%stt%s",t->number,t->bookname,t->author,t->publish,t->time); printf("tt%.2f",t->price); printf("tt%s",t->status);printf("n"); printf("请输入这本书(书名除外)所有信息:n"); printf("n*n"); printf("n编号tt书名tt作者tt出版

32、社tt出版时间tt价格tt状态n"); printf("n"); scanf("%stt%stt%stt%stt%s",t->number,t->bookname,t->author,t->publish,t->time); scanf("tt%2f",&t->price); scanf("tt%s",t->status);printf("修改后图书信息为:n");printf("n");printf("n*n"); printf("n编号tt书名tt作者tt出版社tt出版时间tt价格tt状态n"); printf("n"); printf("%stt%stt%stt%stt%s",t->number,t->bookname,t->author,t->publish,t->time); printf("