#include "stdio.h"#include "stdlib.h"#include "conio.h"#include "string.h"#include "math.h"#define LEN sizeof(struct library)#define LEN1 sizeof(struct reader)#define NULL 0struct library//图书馆结构体{int shuhao,xcl;char name[20],author[20],chuban[20];struct library *next;};struct reader//读者结构体{int zhenghao;char mingzi[20],riqi[20],zname[20];struct reader *next;};void mainmenu() //显示主菜单{ system ("cls");printf("\n");printf("\t\t\t\t####################\n\n"); printf("\t\t\t\t 1.图书馆信息\n\n");printf("\t\t\t\t 2.借阅系统\n\n");printf("\t\t\t\t 3.退出系统\n\n");printf("\t\t\t 请按键选择，回车确定\n"); printf("\t\t\t\t######################\n"); printf("\n");return ;}void menu1() //显示图书馆信息菜单{ system ("cls");printf("");printf("\t\t\t\t####################\n\n"); printf("\t\t\t\t 1.采编入库\n\n");printf("\t\t\t\t 2.清除库存\n\n");printf("\t\t\t\t 3.图书查询\n\n");printf("\t\t\t\t 4.库存一览\n\n");printf("\t\t\t\t 5.返回上一层\n\n");printf("\t\t\t 请按键选择，回车确定\n");printf("\t\t\t\t#######################\n");printf("\n");return ;}void menu2() //显示查询菜单{ system ("cls");//printf("");printf("\t\t\t\t#######################\n");printf("\t\t\t\t 1.书号查询\n\n");printf("\t\t\t\t 2.书名查询\n\n");printf("\t\t\t\t 3.作者查询\n\n");printf("\t\t\t\t 4.出版社查询\n\n");printf("\t\t\t 请按键选择，回车确定\n");printf("\t\t\t\t#######################\n");//printf("");return ;}void main()//主函数，调用main1{void main1();main1();}void main1()//main1函数{void tsgxx();//声明void jieshuxitong();//声明char choose;mainmenu();scanf("%c",&choose);switch(choose)//功能函数选择{ case '1':tsgxx();break;case '2':jieshuxitong();break;case '3':system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t Byebye...");printf("\n\n\n\n\n\n\n\n\n\t\t\t 欢迎使用本软件！！！");getch();exit(0);system ("cls");break;}}void tsgxx()//图书馆信息函数{ void tsjinku();void shanchu();void chaxunts();void xianshikucun();//函数声明char choose;menu1();//调用菜单函数scanf("%c",&choose);scanf("%c",&choose);for (;;)switch(choose)//功能函数选择{ case '1':tsjinku();break;case '2':shanchu();break;case '3':chaxunts();break;case '4':xianshikucun();break;case '5':main1();break;}}int tjzs()//统计文本个数函数{ FILE *fp;int tshuhao=0,txcl=0,n;char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'};fp=fopen("library.txt","r");//打开文件for (n=0;!feof(fp);n++)//逐个读文件fscanf(fp,"%d %s %s %s %d",&tshuhao,tname,tauthor,tchuban,&txcl);n--;fclose(fp);//关闭文件return (n);//返回个数}int tjdzzs()//统计文本个数函数{ FILE *fp;int zhenghao=0,n;char mingzi[20]={'\0'},riqi[20]={'\0'},zname[20]={'\0'};fp=fopen("reader.txt","r");//打开文件for (n=0;!feof(fp);n++)//逐个读文件fscanf(fp,"%d %s %s %s ",&zhenghao,&mingzi,&riqi,&zname);fclose(fp);//关闭文件return (n);//返回个数}void tsjinku()//图书进库函数{ FILE *fp;int shuhao=0,xcl=0,n=0;char name[20]={'\0'},author[20]={'\0'},chuban[20]={'\0'};char hitkey;system ("cls");if ((fp=fopen("library.txt","r"))==NULL)//打开图书馆文件，不存在此文件则新建{ fp=fopen("library.txt","w");fclose(fp);}fp=fopen("library.txt","a");printf("\n\n\n\n\n\n\t\t\t请按以下格式输入图书信息：\t\t\t\t\t\t 书号书名作者出版社进库量\n请输入：");//按格式输入图书馆信息for (;hitkey!=27;)//循环输入{ if (n!=0)printf("请输入:");scanf("%d%s%s%s%d",&shuhao,name,author,chuban,&xcl);fprintf(fp,"%d %s %s %s %d\n",shuhao,name,author,chuban,xcl);printf("继续输入请按回车，结束输入请按esc\n");n++;hitkey=getch();for (;hitkey!=13&&hitkey!=27;)hitkey=getch();}fclose(fp);printf("\n\n\n\n\n\n\t\t\t保存成功，按任意键返回上一层！");getch();tsgxx();//返回上一层}void shanchu()//删除图书信息函数{ struct library *head=NULL;struct library *p,*p1,*p2;int tshuhao=0,txcl=0,n=0,j,i;char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'};char hitkey;FILE *fp;if ((fp=fopen("library.txt","r"))==NULL)//打开文件{ system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文件不存在！按任意键返回...");getch();tsgxx();}else{ system ("cls");printf("\n\n\n\n\n\n\n\n\t\t请输入你要删除的书名:");//输入删除图书书名scanf("%s",&ttname);printf("\t\t确认删除请回车，取消请按esc\n");hitkey=getch();for (;hitkey!=13&&hitkey!=27;)hitkey=getch();if (hitkey==27)tsgxx();fp=fopen("library.txt","r");for (j=0;!feof(fp);)//读文件夹信息，统计个数{ j++;fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);}fclose(fp);fp=fopen("library.txt","r");for (i=1;i<j;i++){ fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl); if (strcmp(ttname,tname))//比较名字，将不同名字的信息复制到链表{ n++;if (n==1)//建立链表{ p1=p2=(struct library*)malloc(LEN);head=p1;}else{ p2->next=p1;p2=p1;p1=(struct library*)malloc(LEN);//新建链表}p1->shuhao=tshuhao;//复制书号strcpy(p1->name,tname);//复制书名strcpy(p1->author,tauthor);//复制作者名子strcpy(p1->chuban,tchuban);//复制出版社p1->xcl=txcl;//复制个数}}if (n==0){ head=NULL;}else{p2->next=p1;p1->next=NULL;fclose(fp);}}fp=fopen("library.txt","w");//清空文件fclose(fp);fp=fopen("library.txt","a");//追加文件p=head;for (;p!=NULL;)//把链表内容覆盖到文件{fprintf(fp,"%d %s %s %s %d \n",p->shuhao,p->name,p->author,p->chuban,p->xcl);p=p->next;}fclose(fp);//关闭文件system ("cls");printf("\n\n\n\n\n\n\n\n\t\t 删除成功\n\t\t按任意键返回上一层\n");getch();//返回上一层tsgxx();}void chaxunts()//查询函数{FILE *fp;char choose;int ttshuhao=0,tshuhao=0,txcl=0,n=0,k=0,i,l;chartname[20]={'\0'},ttauthor[20]={'\0'},tauthor[20]={'\0'},ttchuban[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'};if ((fp=fopen("library.txt","r"))==NULL)//打开文件{ system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文件不存在！按任意键返回...");getch();tsgxx();}l=tjzs();//获得文件个数menu2();//调用菜单函数scanf("%c",&choose);scanf("%c",&choose);//选择查询方式if (choose=='5')return;else if (choose=='1')//书号查询{ system ("cls");printf("请输入书号:");scanf("%d",&ttshuhao);}elseif (choose=='2')//书名查询{ system ("cls");printf("请输入书名:");scanf("%s",ttname);}elseif (choose=='3')//作者查询{ system ("cls");printf("请输入作者:");scanf("%s",ttauthor);}elseif (choose=='4')//出版社查询{ system ("cls");printf("请输入出版社:");scanf("%s",ttchuban);}system ("cls");for (i=0;i<l;i++){ fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);//读文件信息if(ttshuhao==tshuhao||!strcmp(ttname,tname)||!strcmp(ttauthor,tauthor)||!strcmp(ttchuban,tch uban))//输出查询信息{if (k==0){printf("\t\t\t\t查询结果:\n\n");printf("\t 书号书名作者出版社现存量\n");}printf("\t %-4d %-8s %-8s %-8s %-4d \n",tshuhao,tname,tauthor,tchuban,txcl);k++;}}if (k==0)//文件夹为空则输出无记录{ system ("cls");printf("\n\n\n\n\n\n\n\t\t\t\t无符合记录！\n");getch();tsgxx();}fclose(fp);getch();//返回tsgxx();}void xianshikucun()//现实库存信息{FILE *fp;int shuhao=0,xcl=0,n=0,i=0,j=0;char name[20]={'\0'},author[20]={'\0'},chuban[20]={'\0'};if ((fp=fopen("library.txt","r"))==NULL)//打开文件夹{system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文件不存在！");n= tjzs();if (n==0){ system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t无任何记录!");}fp=fopen("library.txt","r");system ("cls");printf("************************************************************************* *******");printf("\t 书号书名作者出版社库存量\n");printf("************************************************************************* *******");for (i=0;i<n;i++)//输出信息{fscanf(fp,"%d%s%s%s%d",&shuhao,name,author,chuban,&xcl);printf("\t %-4d %-8s %-8s %-8s %-4d \n",shuhao,name,author,chuban,xcl);}fclose(fp);printf("\t\t\t\t按任意键返回\n");getch();//返回tsgxx();}void menu3() //显示借书系统主菜单{ system ("cls");//printf("*********************************************************************** *********");printf("\t\t\t\t#######################\n");printf("\t\t\t\t 1.借书登记\n\n");printf("\t\t\t\t 2.还书登记\n\n");printf("\t\t\t\t 3.借阅情况查看\n\n");printf("\t\t\t\t 4.返回上一层\n\n");printf("\t\t\t 请按键选择，回车确定\n");printf("\t\t\t\t#######################\n");//printf("*********************************************************************** *********");return ;}void jieshuxitong()//借书系统函数{ void jieshu();void huanshu();void duzheyilang();//函数声明char choose;menu3();scanf("%c",&choose);scanf("%c",&choose);//选择功能for (;;)switch(choose)//调用函数{ case '1':jieshu();break;case '2':huanshu();break;case '3':duzheyilang();break;case '4':main1();break;}}void jieshu()//借书函数{FILE *fp,*fp3;struct library *head=NULL;struct library *p,*p1,*p2;int tshuhao=0,txcl=0,i,loop,zhenghao=0,n=0,k=0,t=0,flag=0;char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'},mingzi[20]={'\0'},riqi[20]={'\0'},zname[20]={'\0'};char hitkey=0;system ("cls");{if ((fp=fopen("library.txt","r"))==NULL)//打开图书馆文件{system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t 图书馆无库存！按任意键退出！");getch();exit (0);}else{{printf("\n\n\n\n\n\n\t\t\t请输入借阅书名：\t\t\t\t\t\t \n请输入：");//输入书名scanf("%s",zname);k= tjzs();//统计图书馆文件个数for (i=0;i<k;i++)//读入图书馆信息，存储到链表{fscanf(fp,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);n++;if (n==1){ p1=p2=(struct library*)malloc(LEN);head=p1;}else{ p2->next=p1;p2=p1;p1=(struct library*)malloc(LEN);//新建链表}p1->shuhao=tshuhao;//复制书号strcpy(p1->name,tname);//复制书名strcpy(p1->author,tauthor);//复制作者strcpy(p1->chuban,tchuban);//复制出版社p1->xcl=txcl;//复制现存量}if (n==0)head=NULL;else{p2->next=p1;p1->next=NULL;fclose(fp);}}}p=head;for (;p!=NULL;)//读链表{if(!(strcmp(p->name,zname)))//名字相同{flag=1;//标记取1loop=p->xcl;//现存量减1(p->xcl)--;}p=p->next;}if(flag&&(loop>0))//存在借书书名且现存量大于0{ fp=fopen("library.txt","w");fclose(fp);fp=fopen("library.txt","a");p=head;for (;p!=NULL;){fprintf(fp,"%d %s %s %s %d \n",p->shuhao,p->name,p->author,p->chuban,p->xcl);p=p->next;}free(p);//把链表内容覆盖文件fclose(fp);}if(flag&&(loop>0))//存在借书书名且现存量大于0{{if ((fp3=fopen("reader.txt","r"))==NULL)//建读者文件夹{ fp3=fopen("reader.txt","w");fclose(fp3);}fp3=fopen("reader.txt","a");}{{ if (n!=0)printf("\n\n\n\n\n\n\t\t\t请按以下格式输入读者信息：\t\t\t\t\t\t 证号姓名归还日期借书书名\n请输入：");//录入读者信息scanf("%d %s %s %s",&zhenghao,&mingzi[20],&riqi[20],&zname[20]);fprintf(fp3,"%d %s %s %s \n",zhenghao,&mingzi[20],&riqi[20],&zname[20]);fp=fopen("library.txt","w");//删除图书馆文件信息fclose(fp);fp=fopen("library.txt","a");//重新追加信息p=head;for (;p!=NULL;)//把链表内容覆盖图书馆文件{fprintf(fp,"%d %s %s %s %d \n",p->shuhao,p->name,p->author,p->chuban,p->xcl);p=p->next;}fclose(fp);fclose(fp3);printf("成功！按任意键返回\n");getch();//返回jieshuxitong();}}jieshuxitong();}elseprintf("此书已被借完！按任意键返回！");//否则输出此书已被接完getch();//返回jieshuxitong();}}void huanshu()//还书函数{FILE *fp,*fp3;struct reader *head=NULL;struct reader *p,*p1,*p2;struct library *lhead1=NULL;struct library *zp1,*lp1,*lp2;int tshuhao=0,txcl=0,i;char tname[20]={'\0'},tauthor[20]={'\0'},tchuban[20]={'\0'}, ttname[20]={'\0'};int ttzhenghao=0,tzhenghao=0,n=0,k=0,t=0,flag=0;char tmingzi[20]={'\0'},triqi[20]={'\0'},tzname[20]={'\0'},ttzname[20]={'\0'};char hitkey=0;system ("cls");{if ((fp=fopen("reader.txt","r"))==NULL)//不存在读者文件，则输出不能还书{system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t 不存在借书者！按任意键退出！");getch();exit (0);}else{{printf("\n\n\n\n\n\n\t\t\t请输入读者证号和书名：\t\t\t\t\t\t \n请输入：");scanf("%d %s",&ttzhenghao,ttzname);//输入还书证号和书名k= tjdzzs();//获取读者文件夹信息个数for (i=0;i<k;i++)//读取读者文件夹信息{fscanf(fp,"%d%s%s%s\n ",&tzhenghao,tmingzi,triqi,tzname);if((ttzhenghao==tzhenghao)&&!strcmp(ttzname,tzname))//如果证号书名存在，则标记为1flag=1;}fclose(fp);fp=fopen("reader.txt","r");//打开读者文件if(flag){for (i=0;i<k;i++)//将读者文件复制到链表{fscanf(fp,"%d%s%s%s\n ",&tzhenghao,tmingzi,triqi,tzname);//读取文件信息if(!((ttzhenghao==tzhenghao)&&!strcmp(ttzname,tzname))){ n++;if (n==1){ p1=p2=(struct reader*)malloc(LEN1);//新建链表head=p1;}else{ p2->next=p1;p2=p1;p1=(struct reader*)malloc(LEN1);//新建链表}p1->zhenghao=tzhenghao;//复制证号strcpy(p1->mingzi,tmingzi);//复制读者名字strcpy(p1->riqi,triqi);//复制日期strcpy(p1->zname,tzname);//复制书名}}if (n==0)head=NULL;else{p2->next=p1;p1->next=NULL;fclose(fp);}fp=fopen("reader.txt","w");//清空读者文件fclose(fp);fp=fopen("reader.txt","a");//追加信息p=head;for (;p!=NULL;)//把链表内容覆盖读者文件{fprintf(fp,"%d %s %s %s \n",p->zhenghao,p->mingzi,p->riqi,p->zname);p=p->next;}free(p);fclose(fp);}}}}if(flag)//标记为1，既还书时{{{printf("确认还书请按回车！");for (;hitkey!=13&&hitkey!=27;)hitkey=getch();if (hitkey==13)printf("成功！按任意键返回！");n=0;flag=0;fp3=fopen("library.txt","r");//打开图书馆文件k= tjzs();//获取图书馆文件个数for (i=0;i<k;i++)//将图书馆文件复制到链表{fscanf(fp3,"%d%s%s%s%d",&tshuhao,tname,tauthor,tchuban,&txcl);//读取信息n++;if (n==1){ lp1=lp2=(struct library*)malloc(LEN);//新建链表lhead1=lp1;}else{ lp2->next=lp1;lp2=lp1;lp1=(struct library*)malloc(LEN);//新建链表}lp1->shuhao=tshuhao;//复制书号strcpy(lp1->name,tname);//复制书名strcpy(lp1->author,tauthor);//复制作者strcpy(lp1->chuban,tchuban);//复制出版社lp1->xcl=txcl; //复制现存量}if (n==0){ lhead1=NULL;}else{lp2->next=lp1;lp1->next=NULL;fclose(fp3);}}}zp1=lhead1;for (;zp1!=NULL;){if(!(strcmp(zp1->name,ttzname)))//寻找书名相同++(zp1->xcl);//现存量加1zp1=zp1->next;}fp3=fopen("library.txt","w");//清空图书馆文件fclose(fp);fp3=fopen("library.txt","a");//追加信息zp1=lhead1;for (;zp1!=NULL;)//把链表内容覆盖图书馆文件{fprintf(fp3,"%d %s %s %s %d \n",zp1->shuhao,zp1->name,zp1->author,zp1->chuban,zp1->xcl);//录入信息zp1=zp1->next;}fclose(fp3);getch();//返回jieshuxitong();}elseprintf("不存在此信息！按任意键返回！");getch();//返回jieshuxitong();}void duzheyilang()//显示借书情况函数{FILE *fp;int zhenghao=0,xcl=0,n=0,i=0,j=0;char mingzi[20]={'\0'},riqi[20]={'\0'},zname[20]={'\0'};if ((fp=fopen("reader.txt","r"))==NULL)//打开读者文件夹{system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文件不存在！");}n=tjdzzs();if (n==0){ system ("cls");printf("\n\n\n\n\n\n\n\n\n\t\t\t无任何记录!");}fp=fopen("reader.txt","r");system ("cls");printf("************************************************************************* *******");printf("\t 证号读者姓名还书日期书名\n");printf("************************************************************************* *******");for (i=0;i<n;i++)//输出文件信息{fscanf(fp,"%d%s%s%s\n ",&zhenghao,mingzi,riqi,zname);printf("\t %-4d %-8s %-8s %-8s \n", zhenghao,mingzi,riqi,zname);}fclose(fp);printf("\t\t\t\t按任意键返回\n");getch();//返回jieshuxitong();}。