#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<string.h>
#include<malloc.h>
#include<windows.h>
#include<ctype.h>
struct time{
int year;
int month;
int day;
};
typedef struct library{
long booknum;
char bookname[20];
char author[20];
int speciesnumber;
char publishers[30];
struct time publish_time;
float price;
struct library *next;
}*Booklist,BOOK;
int count;
Booklist lHead;
/******************************************************/
void deletebook();
void changebook();
void searchbook_num();
void searchbook_name();
void searchbook_author();
void searchbook_speciesnumber();
void searchbook_publisher();
void searchbook();
void addbooks();
void readfile();
void savefile();
Booklist inputbooks();
void outputbooks();
void printscreen2();
void printscreen1();
void printscreen0();
/******************************************************/
/* 主函数 */
int main()
{
printscreen0();
return 0;
}
/* 主界面 */
void printscreen0()
{
char choice='1';
while(choice!='0'){
system("cls");
printf("\t********************************************\n\n");
printf("\t 欢迎进入图书管理系统\n\n");
printf("\t ==== 1. 管理图书 ====\n\n");
printf("\t ==== 2. 读取文件 ====\n\n");
printf("\t ==== 3. 保存文件 ====\n\n");
printf("\t ==== 0. 退出 ====\n\n");
printf("\t********************************************\n\n");
printf("\t (请用数字选择要进行的操作!)\n");
if( (choice=getche()) != '0' )
switch(choice){
case '1': printscreen1(); break;
case '2': readfile(); break;
case '3': savefile(); break;
default: break;
}
}
}
/* 图书信息管理界面 */
void printscreen1()
{
char choice='1';
while(choice!='0'){
system("cls");
printf("\t********************************************\n\n");
printf("\t 欢迎进入图书信息管理系统\n\n");
printf("\t ==== 1. 查看图书 ====\n\n");
printf("\t ==== 2. 搜索 ====\n\n");
printf("\t ==== 3.添加图书信息 ====\n\n");
printf("\t ==== 4.修改图书信息 ====\n\n");
printf("\t ==== 5.删除图书信息 ====\n\n");
printf("\t ==== 6.录入图书信息 ====\n\n");
printf("\t ==== 0. 退出 ====\n\n");
printf("\t*******************************************\n\n");
printf("\t (请用数字选择要进行的操作!)\n");
if( (choice=getche()) != '0' )
switch(choice){
case '1': outputbooks(); break;
case '2': searchbook(); break;
case '3': addbooks(); break;
case '4': changebook(); break;
case '5': deletebook(); break;
case '6': lHead=inputbooks(); break;
default: break;
}
}
}
/* 查看图书 */
void outputbooks()
{
Booklist pTemp;
pTemp=lHead;
system("cls");
printf("\t************共有%d本书************\n\n",count);
int index=1;
while(pTemp!=NULL){
printf("\t------------第%d本书-----------\n\n",index);
printf("\t图书号: ld",pTemp->booknum);
printf("\n\t图书名: %s",pTemp->bookname);
printf("\n\t作者: %s",pTemp->author);
printf("\n\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t出版社: %s",pTemp->publishers);
printf("\n\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t价格: %.2f",pTemp->price);
printf("\n\n\t-------------------------------\n\n");
pTemp=pTemp->next;
index++;
}
printf("按任意键继续!\n");
getch();
}
/* 搜索 */
void searchbook()
{
while(1){
system("cls");
printf("\t\t请选择搜索方式:\n\n");
printf("\t\t ********* 1-图书号\n\n");
printf("\t\t ********* 2-图书名\n\n");
printf("\t\t ********* 3-作者\n\n");
printf("\t\t ********* 4-出版社\n\n");
printf("\t\t ********* 5-图书类型号\n\n");
printf("\t\t ********* 0-退出\n\n");
printf("\t\t ----------------请选择:");
int choice=1;
scanf("%d",&choice);
switch(choice){
case 1: searchbook_num(); break;
case 2: searchbook_name(); break;
case 3: searchbook_author(); break;
case 4: searchbook_publisher(); break;
case 5: searchbook_speciesnumber(); break;
case 0: return;
default: break;
}
}
}
/* 按图书号搜索 */
void searchbook_num()
{
int book_num;
int index=0;
printf("\n\t\t*********请输入图书号:");
scanf("%d",&book_num);
Booklist pTemp;
pTemp=lHead;
int flag=1;
while(index<count){
if(pTemp->booknum==book_num){
printf("\n\t\t******************\n\n");
printf("\t\t图书号: ld",pTemp->booknum);
printf("\n\t\t图书名: %s",pTemp->bookname);
printf("\n\t\t作者: %s",pTemp->author);
printf("\n\t\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t\t出版社: %s",pTemp->publishers);
printf("\n\t\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t\t价格: %.2f",pTemp->price);
printf("\n\n\t\t-------------------------------\n\n");
flag=0;
}
pTemp=pTemp->next;
index++;
}
if(flag) printf("\n\t\t********** 未找到图书!");
printf("\t\t----- 按任意键继续...");
getch();
}
/* 按图书名搜索 */
void searchbook_name()
{
char book_name[20];
int index=0;
printf("\n\t\t*********请输入图书名:");
fflush(stdin);
gets(book_name);
Booklist pTemp;
pTemp=lHead;
int flag=1;
while(index<count){
if(strcmp(book_name,pTemp->bookname)==0){
printf("\n\t\t******************\n\n");
printf("\t\t图书号: ld",pTemp->booknum);
printf("\n\t\t图书名: %s",pTemp->bookname);
printf("\n\t\t作者: %s",pTemp->author);
printf("\n\t\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t\t出版社: %s",pTemp->publishers);
printf("\n\t\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t\t价格: %.2f",pTemp->price);
printf("\n\n\t\t-------------------------------\n\n");
flag=0;
}
pTemp=pTemp->next;
index++;
}
if(flag) printf("\n\t\t********** 未找到图书!");
printf("\t\t----- 按任意键继续...");
getch();
}
/* 按作者搜索 */
void searchbook_author()
{
char book_author[20];
int index=0;
printf("\n\t\t*********请输入作者:");
fflush(stdin);
gets(book_author);
Booklist pTemp;
pTemp=lHead;
int flag=1;
while(index<count){
if(strcmp(book_author,pTemp->author)==0){
printf("\n\t\t******************\n\n");
printf("\t\t图书号: ld",pTemp->booknum);
printf("\n\t\t图书名: %s",pTemp->bookname);
printf("\n\t\t作者: %s",pTemp->author);
printf("\n\t\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t\t出版社: %s",pTemp->publishers);
printf("\n\t\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t\t价格: %.2f",pTemp->price);
printf("\n\n\t\t-------------------------------\n\n");
flag=0;
}
pTemp=pTemp->next;
index++;
}
if(flag) printf("\n\t\t********** 未找到图书!");
printf("\t\t----- 按任意键继续...");
getch();
}
/* 按图书类型号搜索 */
void searchbook_speciesnumber()
{
int book_speciesnumber;
int index=0;
printf("\n\t\t*********请输入图书类型号:");
scanf("%d",&book_speciesnumber);
Booklist pTemp;
pTemp=lHead;
int flag=1;
while(index<count){
if(pTemp->speciesnumber==book_speciesnumber){
printf("\n\t\t******************\n\n");
printf("\t\t图书号: ld",pTemp->booknum);
printf("\n\t\t图书名: %s",pTemp->bookname);
printf("\n\t\t作者: %s",pTemp->author);
printf("\n\t\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t\t出版社: %s",pTemp->publishers);
printf("\n\t\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t\t价格: %.2f",pTemp->price);
printf("\n\n\t\t-------------------------------\n\n");
flag=0;
}
pTemp=pTemp->next;
index++;
}
if(flag) printf("\n\t\t********** 未找到图书!");
printf("\t\t----- 按任意键继续...");
getch();
}
/* 按出版社搜索 */
void searchbook_publisher()
{
char book_publisher[30];
int index=0;
printf("\n\t\t*********请输入出版社:");
fflush(stdin);
gets(book_publisher);
Booklist pTemp;
pTemp=lHead;
int flag=1;
while(index<count){
if(strcmp(book_publisher,pTemp->publishers)==0){
printf("\n\t\t******************\n\n");
printf("\t\t图书号: ld",pTemp->booknum);
printf("\n\t\t图书名: %s",pTemp->bookname);
printf("\n\t\t作者: %s",pTemp->author);
printf("\n\t\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t\t出版社: %s",pTemp->publishers);
printf("\n\t\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t\t价格: %.2f",pTemp->price);
printf("\n\n\t\t-------------------------------\n\n");
flag=0;
}
pTemp=pTemp->next;
index++;
}
if(flag) printf("\n\t\t********** 未找到图书!");
printf("\t\t----- 按任意键继续...");
getch();
}
/* 添加图书信息 */
void addbooks()
{
system("cls");
char ch='Y';
Booklist pTemp,pPre;
pTemp=lHead;
for(int i=0;i<count-1;i++)
pTemp=pTemp->next;
pPre=pTemp;
while(toupper(ch)=='Y'){
pTemp=(Booklist)malloc(sizeof(BOOK));
printf("\n\t------------第%d本书-----------\n\n",count+1);
printf("\t图书号: ");
scanf("%ld",&pTemp->booknum);
fflush(stdin);
printf("\n\t图书名: ");
gets(pTemp->bookname);
printf("\n\t作者: ");
gets(pTemp->author);
printf("\n\t图书类别号码: ");
scanf("%d",&pTemp->speciesnumber);
fflush(stdin);
printf("\n\t出版社: ");
gets(pTemp->publishers);
printf("\n\t出版时间: ");
scanf("%d-%d-%d",&pTemp->publish_time.year,
&pTemp->publish_time.month,
&pTemp->publish_time.day);
printf("\n\t价格: ");
scanf("%f",&pTemp->price);
printf("\n\n\t-------------------------------\n\n");
pTemp->next=NULL;
pPre->next=pTemp;
pPre=pTemp;
count++;
printf("\t是否继续添加(Y/N):");
ch=getche();
}
}
/* 修改图书信息 */
void changebook()
{
Booklist pTemp;
pTemp=lHead;
system("cls");
printf("\n\t\t********* 修改操作\n");
int book_num;
printf("\n\t\t-----请输入图书号:");
scanf("%d",&book_num);
while(pTemp->booknum!=book_num){
if(pTemp->next==NULL){
printf("\n\t\t----- 未找到图书!按任意键退出...\n");
getch();
return;
}
pTemp=pTemp->next;
}
printf("\n\t\t******************\n\n");
printf("\t\t图书号: ld",pTemp->booknum);
printf("\n\t\t图书名: %s",pTemp->bookname);
printf("\n\t\t作者: %s",pTemp->author);
printf("\n\t\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t\t出版社: %s",pTemp->publishers);
printf("\n\t\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t\t价格: %.2f",pTemp->price);
printf("\n\n\t\t-------------------------------\n\n");
printf("\t\t ********* 1-图书号\n\n");
printf("\t\t ********* 2-图书名\n\n");
printf("\t\t ********* 3-作者\n\n");
printf("\t\t ********* 4-出版社\n\n");
printf("\t\t ********* 5-图书类型号\n\n");
printf("\t\t ********* 6-出版时间\n\n");
printf("\t\t ********* 7-价格\n\n");
printf("\t\t ********* 0-退出\n\n");
while(1){
printf("\t\t ----------------请选择要修改的项目:");
int choice;
scanf("%d",&choice);
switch(choice){
case 1: printf("\t\t图书号: ");
scanf("%d",&pTemp->booknum); break;
case 2: printf("\t\t图书名: ");
fflush(stdin); gets(pTemp->bookname); break;
case 3: printf("\t\t作者: ");
fflush(stdin); gets(pTemp->author); break;
case 4: printf("\t\t图书类别号码: ");
scanf("%d",&pTemp->speciesnumber); break;
case 5: printf("\t\t出版社: ");
fflush(stdin); gets(pTemp->publishers); break;
case 6: printf("\t\t出版时间: ");
scanf("%d-%d-%d",&pTemp->publish_time.year,
&pTemp->publish_time.month,
&pTemp->publish_time.day); break;
case 7: printf("\t\t价格: ");
scanf("%f",&pTemp->price); break;
case 0: return;
default: break;
}
}
printf("\n\n\t\t修改完成!按任意键退出...\n");
getch();
}
/* 删除图书信息 */
void deletebook()
{
system("cls");
int number;
printf("\n\n\t\t*********删除操作\n");
printf("\n\t\t图书号：");
scanf("%d",&number);
Booklist pTemp,pPre;
pTemp=lHead;
pPre=pTemp;
while(pTemp->booknum!=number){
pPre=pTemp;
pTemp=pTemp->next;
}
printf("\n\t\t******************\n\n");
printf("\t\t图书号: ld",pTemp->booknum);
printf("\n\t\t图书名: %s",pTemp->bookname);
printf("\n\t\t作者: %s",pTemp->author);
printf("\n\t\t图书类别号码: d",pTemp->speciesnumber);
printf("\n\t\t出版社: %s",pTemp->publishers);
printf("\n\t\t出版时间: ");
printf("d-d-d",pTemp->publish_time.year,
pTemp->publish_time.month,
pTemp->publish_time.day);
printf("\n\t\t价格: %.2f",pTemp->price);
printf("\n\n\t\t-------------------------------\n\n");
printf("\t\t********* 确认删除?\n\n");
printf("\n\t\t ***** 1-确认\n");
printf("\n\t\t ***** 2-取消\n");
int choice;
scanf("%d",&choice);
if(choice==2) return;
if(pTemp->booknum==lHead->booknum) lHead=lHead->next;
pPre->next=pTemp->next;
free(pTemp);
count--;
printf("\t\t--------- 删除成功!按任意键继续...\n");
getch();
}
/* 图书信息录入 */
Booklist inputbooks()
{
Booklist pNew,pEnd,pHead;
pEnd=NULL;
pHead=NULL;
system("cls");
count=0;
char ch='Y';
while(toupper(ch)=='Y'){
count++;
pNew=(Booklist)malloc(sizeof(BOOK));
printf("\n\t------------第%d本书-----------\n\n",count);
printf("\t图书号: ");
scanf("%ld",&pNew->booknum);
fflush(stdin);
printf("\n\t图书名: ");
gets(pNew->bookname);
printf("\n\t作者: ");
gets(pNew->author);
printf("\n\t图书类别号码: ");
scanf("%d",&pNew->speciesnumber);
fflush(stdin);
printf("\n\t出版社: ");
gets(pNew->publishers);
printf("\n\t出版时间: ");
scanf("%d-%d-%d",&pNew->publish_time.year,
&pNew->publish_time.month,
&pNew->publish_time.day);
printf("\n\t价格: ");
scanf("%f",&pNew->price);
printf("\n\n\t-------------------------------\n\n");
if(count==1){
pNew->next=pHead;
pEnd=pNew;
pHead=pNew;
}
else{
pNew->next=NULL;
pEnd->next=pNew;
pEnd=pNew;
}
printf("\t是否继续录入(Y/N):");
//do{
ch=getche();
//}while(toupper(ch)!=('Y'||'N'));
}
return pHead;
}
/* 图书信息读取 */
void readfile()
{
FILE *fp;
fp=fopen("library_list.txt","r");
if(fp==NULL){
printf("\n\n\t*******库存文件不存在!请创建!\n");
return;
}
fscanf(fp,"%d",&count);
int index=0;
Booklist pTemp,pPre;
pPre=pTemp=(Booklist)malloc(sizeof(BOOK));
while(index<count){
index++;
fscanf(fp,"%ld %s %s %d %s %d-%d-%d %f\n",&pTemp->booknum,pTemp->bookname,pTemp->author,
&pTemp->speciesnumber,pTemp->publishers,
&pTemp->publish_time.year,&pTemp->publish_time.month,
&pTemp->publish_time.day,&pTemp->price);
if(index==1){
pTemp->next=NULL;
pPre=pTemp;
lHead=pPre;
}
else{
pTemp->next=NULL;
pPre->next=pTemp;
pPre=pTemp;
}
pTemp=(Booklist)malloc(sizeof(BOOK));
}
free(pTemp);
fclose(fp);
printf("\t读取图书信息成功!\n\n");
printf("\t*************按任意键继续...\n");
getch();
}
/* 图书信息保存 */
void savefile()
{
int choice;
printf("\n\t\t请确认是否保存?\n");
printf("\n\t\t ***** 1-确认\n");
printf("\n\t\t ***** 2-取消\n");
scanf("%d",&choice);
if(choice==2) return;
FILE *fp;
Booklist pTemp;
pTemp=lHead;
fp=fopen("library_list.txt","w");
fprintf(fp,"%d\n",count);
if(fp==NULL){
printf("不能打开该文件! 按任意键退出!\n");
getch();
exit(1);
}
while(pTemp!=NULL){
fprintf(fp,"%ld %s %s %d %s %d-%d-%d %f\n",pTemp->booknum,pTemp->bookname,pTemp->author,
pTemp->speciesnumber,pTemp->publishers,
pTemp->publish_time.year,pTemp->publish_time.month,
pTemp->publish_time.day,pTemp->price);
pTemp=pTemp->next;
}
fclose(fp);
printf("\t图书信息保存成功!\n\n");
printf("\t**********按任意键继续...\n");
getch();
}
功能不包括排序。此系统可以作为基础代码进行修改，可以添加排序、密码等功能，也可以通过添加管理员、学生两个不同的界面设计成简单的图书馆借阅管理系统。
