文章目录：
用C语言编写的"图书馆管理系统"的源代码，删减版
#include iostream
#include iomanip
#include string
//输入/输出文件流类
#include fstream
using namespace std;
//最多的读者
const int Maxr=100;
//最多的图书
const int Maxb=100;
//每位读者最多借五本书
const int Maxbor=5;
//读者类,实现对读者的信息的描述
class Reader
{
private:
//删除标记 1:已删 0:未删
int tag;
//读者编号
int no;
//读者姓名
char name[10];
//所借图书
int borbook[Maxbor];
public:
Reader()
{
;
}
//获取姓名
char *getname()
{
return name;
}
//获取删除标记
int gettag()
{
return tag;
}
//获取读者编号
int getno()
{
return no;
}
//设置姓名
void setname(char na[])
{
strcpy(name,na);
}
//设置删除标记 1:已删 0:未删
void delbook()
{
tag=1;
}
//增加读者
void addreader(int n,char *na)
{
tag=0;
no=n;
strcpy(name,na);
for(int i=0;iMaxbor;i++)
borbook[i]=0;
}
//借书操作
void borrowbook(int bookid)
{
for(int i=0;iMaxbor;i++)
{
if (borbook[i]==0)
{
borbook[i]=bookid;
return;
}
}
}
//还书操作
int retbook(int bookid)
{
for(int i=0;iMaxbor;i++)
{
if(borbook[i]==bookid)
{
borbook[i]=0;
return 1;
}
}
return 0;
}
//读出读者信息
void disp()
{
cout setw(5) no setw(10) name"借书编号：[";
for(int i=0;iMaxbor;i++)
if(borbook[i]!=0)
cout borbook[i] "|";
cout "]"endl;
}
};
//读者类库，实现建立读者的个人资料
class RDatabase
{
private:
//读者记录指针
int top;
//读者记录
Reader read[Maxr];
public:
//构造函数，将reader.txt读到read[]中
RDatabase()
{
Reader s;
top=-1;
//打开一个输入文件
fstream file("reader.txt",ios::in);
while (1)
{
file.read((char *)s,sizeof(s));
if (!file)break;
top++;
read[top]=s;
}
//关闭 reader.txt
file.close();
}
//删除所有读者信息
void clear()
{
top=-1;
}
//添加读者时先查找是否存在
int addreader(int n,char *na)
{
Reader *p=query(n);
if (p==NULL)
{
top++;
read[top].addreader(n,na);
return 1;
}
return 0;
}
//按编号查找
Reader *query(int readerid)
{
for (int i=0;i=top;i++)
if (read[i].getno()==readerid
read[i].gettag()==0)
{
return read[i];
}
return NULL;
}
//输出所有读者信息
void disp()
{
for (int i=0;i=top;i++)
read[i].disp();
}
//读者库维护
void readerdata();
//析构函数，将read[]写到reader.txt文件中
~RDatabase()
{
fstream file("reader.txt",ios::out);
for (int i=0;i=top;i++)
if (read[i].gettag()==0)
file.write((char *)read[i],sizeof(read[i]));
file.close();
}
};
void RDatabase::readerdata()
{
char choice;
char rname[20];
int readerid;
Reader *r;
while (choice!='0')
{
cout "\n\n\t\t\t读 者 维 护\n\n\n\t\t 1 新 增\n\n\t\t 2 更 改\n\n\t\t 3 删 除\n\n\t\t 4 查 找\n\n\t\t 5 显 示\n\n\t\t 6 全 删\n\n\t\t 0 退 出"endl;
cin choice;
switch (choice)
{
case '1':
cout "输入读者编号:";
cin readerid;
cout "输入读者姓名:";
cin rname;
addreader (readerid,rname);
break;
case '2':
cout "输入读者编号:";
cin readerid;
r=query(readerid);
if (r==NULL)
{
cout " 该读者不存在 "endl;
break;
}
cout "输入新的姓名:";
cin rname;
r-setname(rname);
break;
case '3':
cout " 输入读者编号:";
cin readerid;
r=query(readerid);
if (r==NULL)
{
cout " 该读者不存在" endl;
break;
}
r-delbook();
break;
case '4':
cout "读入读者编号:";
cin readerid;
r=query(readerid);
if (r==NULL)
{
cout "该读者不存在" endl;
break;
}
r-disp();
break;
case '5':
disp();
break;
case '6':
clear();
break;
default:cout"输入错误，请从新输入：";break;
}
}
}
//图书类，实现对图书的描述，图书的编号，书名，借
private:
//删除标记 1:已删 0:未删
int tag;
//图书编号
int no;
//书名
char name[20];
//是否再架 1:再架 2:已借
int onshelf;
public:
Book(){}
//获取姓名
char *getname() { return name; }
//获取图书编号
int getno(){ return no; }
//获取删除标记
int gettag(){ return tag; }
//设置书名
void setname(char na[])
{
strcpy(name,na);
}
//删除图书
void delbook(){ tag=1;}
//增加图书
void addbook(int n,char *na)
{
tag=0;
no=n;
strcpy(name,na);
onshelf=1;
}
//借书操作
int borrowbook()
{
if (onshelf==1)
{
onshelf=0;
return 1;
}
return 0;
}
//还书操作
void retbook()
{
onshelf=1;
}
//输出图书
void disp()
{
cout setw(6) no setw(18) name setw(10)
(onshelf==1? "在架":"已借") endl;
}
};
//图书库类，实现对图书的维护，查找，删除等
class BDatabase
{
private:
//图书记录指针
int top;
//图书记录
Book book[Maxb];
public:
//构造函数，将book.txt读到book[]中
BDatabase()
{
Book b;
top=-1;
fstream file("book.txt",ios::in);
while (1)
{
file.read((char *)b,sizeof(b));
if (!file) break;
top++;
book[top]=b;
}
file.close();
}
//全删
void clear()
{
top=-1;
}
//增加图书
int addbook(int n,char *na)
{
Book *p=query(n);
if (NULL==p)
{
top++;
book[top].addbook(n,na);
return 1;
}
return 0;
}
//查找图书
Book *query(int bookid)
{
for (int i=0;i=top;i++)
if (book[i].getno()==bookid book[i].gettag()==0)
{
return book[i];
}
return NULL;
}
//图书库维护
void bookdata();
void disp()
{
for (int i=0;i=top;i++)
if (book[i].gettag()==0)
book[i].disp();
}
//析构函数，将book[]写到book.txt文件中
~BDatabase()
{
fstream file("book.txt",ios::out);
for (int i=0;i=top;i++)
if (book[i].gettag()==0)
file.write((char *)book[i],sizeof(book[i]));
file.close();
}
};
void BDatabase::bookdata()
{
char choice;
char bname[40];
int bookid;
Book *b;
while (choice!='0')
{
cout "\n\n\n\t\t\t图 书 维 护 "endlendl;
cout"\t\t1 新 增\n \t\t2 更 改\n\t\t3 删 除\n\t\t4 查 找\n\t\t5 显 示\n\t\t6 全 删\n\t\t0 退 出"endl;
cin choice; {
case '1':
cout "输入图书编号:"endl;
cin bookid;
cout "输入图书书名:"endl;
cin bname;
addbook(bookid,bname);
break;
case '2':
cout "输入图书编号:"endl;
cin bookid;
b=query(bookid);
if (b==NULL)
{
cout " 该图书不存在 "endl;
break;
}
cout "输入新的书名:"endl;
cin bname;
b-setname(bname);
break;
case '3':
cout " 读入图书编号:"endl;
cin bookid;
b=query(bookid);
if (b==NULL)
{
cout " 该图书不存在" endl;
break;
}
b-delbook();
break;
case '4':
cout " 读入图书编号:"endl;
cin bookid;
b=query(bookid);
if (b==NULL)
{
cout " 该图书不存在" endl;
break;
}
b-disp();
break;
case '5':
disp();
break;
case '6':
clear();
break;
default:cout"输入错误，请从新输入:";
}
}
}
//main() 函数的实现，程序的主界面的引导
void main()
{
char choice;
int bookid,readerid;
RDatabase ReaderDB;
Reader *r;
BDatabase BookDB;
Book *b;
while(choice!='0')
{
cout endlendl"\t\t\t 图 书 管 理 系 统\n\n\n";
cout "\t\t\t1 借 书\n\n\t\t\t2 还 书 \n\n\t\t\t3 图 书 维 护\n\n\t\t\t4 读 者 维 护\n\n\t\t\t0 离 开"endl;
cin choice;
switch (choice)
{
case '1':
cout " 借书 读者编号:";
cin readerid;
cout " 图书编号： ";
cin bookid;
//按编号查找
r=ReaderDB.query(readerid);
if (NULL==r)
{
cout " 不存在该读者，不能借书" endl;
break;
}
b=BookDB.query(bookid);
if (b==NULL)
{
cout " 不存在该图书，不能借书" endl;
break;
}
if (b-borrowbook()==0)
{
cout " 该图书已借出，不能借书" endl;
break;
}
r-borrowbook(b-getno());
break;
case '2':
cout"还书\n 读者编号:";
cin readerid;
cout " 图书编号:";
cin bookid;
r=ReaderDB.query(readerid);
if (r==NULL)
{
cout " 不存在该读者，不能还书" endl;
break;
}
b=BookDB.query(bookid);
if (b==NULL)
{
cout " 不存在该图书，不能还书" endl;
break;
}
b-retbook();
r-retbook(b-getno());
break;
case '3':
BookDB.bookdata();
break;
case '4':
ReaderDB.readerdata();
break;
default:cout"输入错误，请从新输入：";
}
}
}
急求用C语言编写的图书管理系统源代码
#includestdio.h
#includestring.h
#includeconio.h
#includestdlib.h
#includectype.h
#define STACK_INIT_SIZE 10
#define OK 1
#define TRUE 1
#define FALSE 0
#define ERROR 0
struct student /*定义学生类型，用于存放借出的书籍*/
{
int carnum;
char lendbook[10];
}student[1000];
struct employ /*定义职工类型*/
{
int employnum;
char employname[15];
int employage;
char employsex[2];
char employleve[10];
long int employtage;
}employ[50];
struct book /*定义书的类型*/
{
int booknum;
char bookname[10];
char bookcreat[10];
int turefalse; /*用于借书和还书模块判断一本书是否借出的条件*/
}book[1000];
struct car /*借书卡的数据类型*/
{
int carnum;
char studentname[10];
int studentclass;
}car[100];
huanbook() /*还书函数*/
{
FILE *fp,*fp2; /*定义两个文件指针，fp2用于修改数据时设立临时文件用，防止数据遭破坏*/
int i,n;
int carnum;
char lendbook[10];
printf("请你输入你的卡号\n");
scanf("%d",carnum);
fp=fopen("car.txt","r"); /*读取卡号记录*/
for(i=0;fread(car[i],sizeof(struct car),1,fp)!=0;i++) /*for循环判断卡号是否存在*/
{
if(car[i].carnum==carnum) /*卡号存在，进入下一循环*/
{
n=i;
fclose(fp);
printf("请输入你要还的书的名字\n");
scanf("%s",lendbook);
fp=fopen("record.txt","r");
for(i=0;fread(student[i],sizeof(struct student),1,fp)!=0;i++) /*判断是否借阅了输入的书*/
{
if(strcmp(student[i].lendbook,lendbook)==0) /*借阅了该书，进入下一循环，否则出错显示*/
{
fclose(fp);
fp=fopen("record.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(student[i],sizeof(struct student),1,fp)!=0;i++)
{
if(strcmp(student[i].lendbook,lendbook)==0)
{
continue; /*删除还掉的书的借书记录*/
}
fwrite(student[i],sizeof(struct student),1,fp2); /*写入原来没还的书的记录*/
}
fclose(fp);
fclose(fp2);
fp=fopen("record.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(student[i],sizeof(struct student),1,fp2)!=0;i++)
{
fwrite(student[i],sizeof(struct student),1,fp); /*将借书记录信息写回*/
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w"); /*清临时文件的记录*/
fclose(fp2);
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(book[i],sizeof(struct book),1,fp)!=0;i++) /*将书的记录写入临时文件，防止因为修改信息破坏以前的记录*/
{
if(i==n)
{
book[i].turefalse=1;
fwrite(book[i],sizeof(struct book),1,fp2); /*将还的书的原来状态设为无人借阅的*/
continue;
}
fwrite(book[i],sizeof(struct book),1,fp2);
}
fclose(fp);
fclose(fp2);
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(book[i],sizeof(struct book),1,fp); /*将临时文件写回*/
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w"); /*清临时文件*/
fclose(fp2);
printf("还书完毕，按任意键返回\n");
getch();
return 1;
}
}
printf("你没有借这样的书，任意键返回\n"); /*出错提示*/
fclose(fp);
getch();
return 0;
}
}
printf("系统没这样的卡，和管理员联系,按任意键返回\n"); /*出错提示*/
fclose(fp);
getch();
}
findbook()
{
FILE *fp;
char bookname[10];
int ture,i;
fp=fopen("book.txt","r");
printf("请输入你要查找的书名\n");
scanf("%s",bookname);
for(i=0;fread(book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(bookname,book[i].bookname)==0)
{
if(book[i].turefalse==1)
{
printf("这本书的详细资料是：%d %s %s 此书现在无人借阅\n按任意键返回\n",book[i].booknum,book[i].bookname,book[i].bookcreat);
}
else {printf("这本书已经有人借出\n");fclose(fp);return 0;}
fclose(fp);
return FALSE;
}
}
printf("没有你要查询的书籍\n");
fclose(fp);
return FALSE;
}
findbook1()
{
FILE *fp;
char bookcreat[10];
int ture,i;
fp=fopen("book.txt","r");
printf("请输入你要查找的作者名\n");
scanf("%s",bookcreat);
for(i=0;fread(book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(bookcreat,book[i].bookcreat)==0)
{
if(book[i].turefalse==1)
{
printf("这本书的详细资料是：%d %s %s 此书现在无人借阅\n按任意键返回\n",book[i].booknum,book[i].bookname,book[i].bookcreat);
}
else {printf("这本书已经有人借出\n");fclose(fp);return 0;}
fclose(fp);
return FALSE;
}
}
printf("没有你要查询的书籍\n");
fclose(fp);
return FALSE;
}
lendcount()
{
FILE *fp;
int i,n=0;
fp=fopen("record.txt","r");
for(i=0;fread(student[i],sizeof(struct student),1,fp)!=0;i++)
{
printf("卡号：%d 借出的书籍：%s \n",student[i].carnum,student[i].lendbook);
n=n+1;
}
fclose(fp);
printf("目前共有%d本书借出\n",n);
printf("按任意键\n");
getch();
return n;
}
chabook()
{
char ch5;
do
{
printf("---------------欢迎进入图书查询系统！--------------\n");
printf(" 1：按书名查找\n");
printf(" 2：按作者查找\n");
printf(" 0：返回\n");
printf("请输入0--2,其他输入非法！\n");
scanf("%s",ch5);
switch(ch5)
{
case '1':findbook();getch();break;
case '2':findbook1();getch();break;
case '0':break;
default:printf("无此操作\n");getch();break;
}
}while(ch5!='0');
return FALSE;
}
lendbook()
{
FILE *fp,*fp2;
int i,n;
int carnum;
printf("请你输入你的卡号\n");
scanf("%d",carnum);
fp=fopen("car.txt","r");
for(i=0;fread(car[i],sizeof(struct car),1,fp)!=0;i++)
{
if(car[i].carnum==carnum)
{
n=i;
fclose(fp);
printf("请输入你要借阅的书的名字\n");
scanf("%s",student[n].lendbook);
fp=fopen("book.txt","r");
for(i=0;fread(book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(book[i].bookname,student[n].lendbook)==0)
{
if(book[i].turefalse==0) {printf("对不起，此书有人借出，请借其他书\n");fclose(fp);getch();return;}
else
fclose(fp);
fp=fopen("record.txt","a+");
student[n].carnum=carnum;
fwrite(student[n],sizeof(struct student),1,fp);
fclose(fp);
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(book[i].bookname,student[n].lendbook)==0)
{
book[i].turefalse=0;
fwrite(book[i],sizeof(struct book),1,fp2);
continue;
}
fwrite(book[i],sizeof(struct book),1,fp2);
}
fclose(fp);
fclose(fp2);
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(book[i],sizeof(struct book),1,fp);
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w");
fclose(fp2);
printf("借书完毕，按任意键返回\n");
getch();
return;
}
}
printf("不存在这样的书，任意键返回\n");
fclose(fp);
getch();
return;
}
}
printf("你的卡号不存在，请申请新卡,按任意键返回\n");
fclose(fp);
getch();
}
carcount()
{
FILE *fp;
int i,n=0;
fp=fopen("car.txt","r");
for(i=0;fread(car[i],sizeof(struct car),1,fp)!=0;i++)
{
printf("第%d张卡卡号：%d 姓名：%s 班级：%d\n",i+1,car[i].carnum,car[i].studentname,car[i].studentclass);
n=n+1;
}
fclose(fp);
printf("目前共有%d本书\n",n);
printf("按任意键\n");
getch();
}
delcar()
{
FILE *fp,*fp2;
int i;
int carnum;
char choice;
fp=fopen("car.txt","r");
fp2=fopen("bookl.txt","w");
printf("请输入你要删除的卡号\n");
printf("如果你输入的卡号存在，系统自动删除该信息！如果不存在，系统不做任何改动\n");
scanf("%d",carnum);
for(i=0;fread(car[i],sizeof(struct car),1,fp)!=0;i++)
{
if(car[i].carnum!=carnum)
{
fwrite(car[i],sizeof(struct car),1,fp2);
}
}
fclose(fp);
fclose(fp2);
printf("是否真的要删除该卡？删除后该书籍的所有信息将无法恢复《Y/N》\n");
scanf("%s",choice);
if(choice=='y'||choice=='Y')
{
fp=fopen("car.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(car[i],sizeof(struct car),1,fp2)!=0;i++)
{
fwrite(car[i],sizeof(struct car),1,fp);
}
fclose(fp);
fclose(fp2);
fp2=fopen("bookl.txt","w");
fclose(fp2);
printf("按任意键返回\n");
getch();
return;
}
else
{
printf("按任意键返回\n");
getch();
return;
}
}
addcar()
{
FILE *fp;
int i=0;
fp=fopen("car.txt","a+");
printf("请你输入卡号\n");
scanf("%d",car[i].carnum);
printf("请你输入学生姓名\n");
scanf("%s",car[i].studentname);
printf("请你输入班级\n");
scanf("%d",car[i].studentclass);
fwrite(car[i],sizeof(struct car),1,fp);
fclose(fp);
printf("输入完毕，任意键返回\n");
getch();
}
c语言 图书管理系统 源代码
#include
#include
#include
#include
#include
struct book{
char number[100];
char tittle[100];
char writer[100];
char publisher[100];
char date[100];
char price[100];
char status[100];
char reader[100];
};
void search_book();
void borrow_book();
void return_book();
void add_book();
void delete_book();
void modify_book();
void scan_book();
int main()
{
int c1=0,c2,c3;
int l,x,z;
while(1)
{
system("color 2C");
printf("\t\t\t ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ \n");
printf("\t\t\t| * - * - * -图书管理系统 * - * - * |\n");
printf("\t\t\t* [1] 用户登录 *\n");
printf("\t\t\t* [2] 管理员登录 *\n");
printf("\t\t\t^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ \n");
printf("\n");
printf("请选择操作 ：");
scanf("%d",c1);
system("cls");
break;
}
if(c1==1)
{
while(1){
system("color 2C");
printf("\t\t\t ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ \n");
printf("\t\t\t| * - * - * -图书管理系统 * - * - * |\n");
printf("\t\t\t* [1] 查询图书 *\n");
printf("\t\t\t| [2] 借阅图书 |\n");
printf("\t\t\t* [3] 借图书 *\n");
printf("\t\t\t* [4] 浏览图书信息 *\n");
printf("\t\t\t| [5] 退图书管理系统 |\n");
printf("\t\t\t^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ \n");
printf("\n");
printf("请选择操作 ：");
scanf("%d",c2);
getchar();
switch(c2)
{
case 1:search_book(); break;
case 2:borrow_book(); break;
case 3:return_book(); break;
case 4:scan_book(); break;
case 5:system("cls"); return 0;
}
}
}
if(c1==2)
{
while(1){
system("color 2C");
printf("\t\t\t ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ \n");
printf("\t\t\t| * - * - * -图书管理系统 * - * - * |\n");
printf("\t\t\t| [1] 添加图书 |\n");
printf("\t\t\t* [2] 删减图书 *\n");
printf("\t\t\t| [3] 修改图书信息 |\n");
printf("\t\t\t* [4] 浏览图书信息 *\n");
printf("\t\t\t| [5] 退图书管理系统 |\n");
printf("\t\t\t^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^ \n");
printf("\n");
printf("请选择操作 ：");
scanf("%d",c3);
getchar();
switch(c3)
{
case 1:add_book(); break;
case 2:delete_book(); break;
case 3:modify_book(); break;
case 4:scan_book(); break;
case 5:system("cls"); return 0;
}
}
}
}
/*查询图书*/
void search_book()
{
FILE*fp;
struct book n;
struct book nn;
int l,r;
char x,z;
fp=fopen("F:\\课程设计\\图书管理系统.txt","rb");
while(1)
{
l=0;
system("cls");
printf("请输入图书名称：");
scanf("%s",n.tittle);
fflush(stdin);
rewind(fp);
while(1)
{
fread(nn,sizeof(nn),1,fp);
if(feof(fp))
break;
r=strcmp(n.tittle,nn.tittle );
if(r==0)
{
l=1;
break;
}
}
if(l==0)
{
printf("没要查询图书\n\n ");
}
else
{
printf("查询图书：");
printf("\n");
printf("****************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
printf("%s %s %s %s %s %s %s",nn.number,nn.tittle,nn.writer,nn.publisher,nn.date,nn.price,nn.status,nn.reader);
printf("\n\n\n");
}
printf("否继续查询图书 ? [(y)/否(n)] ? \n\n");
do
{
x=getche();
}while(x!='n'x!='y');
if(x=='n')
break;
}
fclose(fp);
system("cls");
}
//添加
void add_book()
{
FILE *fp;
struct book n;
struct book nn;
char x,z;
int l,r;
fp=fopen("F:\\课程设计\\图书管理系统.txt","ab+");
do
{
system("cls");
do
{
l=0;
printf("\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
fflush(stdin);
scanf("%s %s %s %s %s %s %s %s",n.number,n.tittle,n.writer,n.publisher,n.date,n.price,n.status,n.reader);
system("cls");
rewind(fp);
while(!feof(fp))
{
fread(nn,sizeof(nn),1,fp);
r=strcmp(n.tittle,nn.tittle);
if(r==0)
{
l=1;
printf(" 该图书已存请输入新图书信息: \n\n");
break;
}
}
}while(l);
fwrite(n,sizeof(n),1,fp);
printf("\n");
printf("否继续输入新图书信息[y/n] \n\n");
do
{
x=getche();
}while(x!='n'x!='y');
}while(x=='y');
fclose(fp);
system("cls");
}
//删除图书
void delete_book()
{
FILE *fp,*fp1;
char x,z;
struct book n;
struct book nn;
int l,r;
fp=fopen("F:\\课程设计\\图书管理系统.txt","ab+");
while(1)
{
l=0;
system("cls");
printf("\n");
printf("请输入需要删除图书名: \n\n");
fflush(stdin);
scanf("%s",n.tittle);
rewind(fp);
while(1)
{
fread(nn,sizeof(nn),1,fp);
if(feof(fp))
break;
r=strcmp(n.tittle,nn.tittle);
if(r==0)
{
l=1;
break;
}
}
if(l==0)
{
printf("\n");
printf("起未找该图书 \n");
}
else
{
printf("\n");
printf("****************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
printf("%s %s %s %s %s %s %s %s",nn.number,nn.tittle,nn.writer,nn.publisher,nn.date,nn.price,nn.status,nn.reader);
printf("\n");
printf("确认删除图书信息 [(y)/否(n)]\n\n");
do
{
z=getche();
}while(z!='n'z!='y');
if(z=='n')
break;
else
{
fp1=fopen("F:\\课程设计\\图书管理系统new.txt","wb");
rewind(fp);
while(1)
{
fread(nn,sizeof(nn),1,fp);
if(feof(fp))
break;
r=strcmp(n.tittle,nn.tittle);
if(r!=0)
fwrite(nn,sizeof(nn),1,fp1);
}
fclose(fp);
fclose(fp1);
fp=fopen("F:\\课程设计\\图书管理系统.txt","wb");
fp1=fopen("F:\\课程设计\\图书管理系统new.txt","rb");
while(1)
{
fread(nn,sizeof(nn),1,fp1);
if(feof(fp1))
break;
fwrite(nn,sizeof(nn),1,fp);
}
fclose(fp);
fclose(fp1);
}
}
printf("\n");
printf("否继续删除图书信息 [(y)/否(n)] \n");
do
{
x=getche();
}while(x!='n'x!='y');
if(x=='n')
break;
}
fclose(fp);
system("cls");
}
//修改图书信息
void modify_book()
{
FILE *fp;
struct book n;
struct book nn;
int l,r;
char x,z;
fp=fopen("F:\\课程设计\\图书管理系统.txt","rb+");
while(1)
{
l=0;
printf("\n");
system("cls");
printf("请输入需要修改图书名: \n\n");
fflush(stdin);
scanf("%s",n.tittle);
system("cls");
rewind(fp);
while(1)
{
fread(nn,sizeof(nn),1,fp);
if(feof(fp))
break;
r=strcmp(n.tittle,nn.tittle);
if(r==0)
{
l=1;
break;
}
}
if(l==0)
{
printf("\n");
printf("起未找该图书信息 \n\n");
}
else
{
printf("\n");
printf("****************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
printf("%s %s %s %s %s %s %s %s",nn.number,nn.tittle,nn.writer,nn.publisher,nn.date,nn.price,nn.status,nn.reader);
printf("请依修改图书信息\n\n\n");
fflush(stdin);
scanf("%s %s %s %s %s %s %s %s",n.number,n.tittle,n.writer,n.publisher,n.date,n.price,n.status,n.reader);
fseek(fp,sizeof(nn),1);
fwrite(n,sizeof(nn),1,fp);
}
printf("\n");
printf(" 否继续修改用户信息[y/n]? \n\n");
do
{
x=getch();
}while(x!='n'x!='y');
if(x=='n')
break;
}
fclose(fp);
system("cls");
}
//借书
void borrow_book()
{
FILE*fp;
struct book n;
struct book nn;
char x,z;
int l,r;
fp=fopen("F:\\课程设计\\图书管理系统.txt","rb+");
while(1)
{
l=0;
system("cls");
printf("\n");
printf("请输入需要借阅图书名: \n");
fflush(stdin);
scanf("%s",n.tittle);
rewind(fp);
while(1)
{
fread(nn,sizeof(nn),1,fp);
if(feof(fp))
break;
r=strcmp(n.tittle,nn.tittle);
if(r==0)
{
l=1;
break;
}
}
if(l==0)
{
printf("\n");
printf("起未找该图书 \n");
}
else
{ printf("\n");
printf("****************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
printf("%s %s %s %s %s %s %s %s",nn.number,nn.tittle,nn.writer,nn.publisher,nn.date,nn.price,nn.status,nn.reader);
printf("\n");
fflush(stdin);
printf("请输入图书信息并修改库状态及借阅者信息");
printf("****************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
scanf("%s %s %s %s %s %s %s %s",n.number,n.tittle,n.writer,n.publisher,n.date,n.price,n.status,n.reader);
fseek(fp,sizeof(nn),1);
fwrite(n,sizeof(nn),1,fp);
}
printf("\n");
printf(" 否继续借书 [(y)/否(n)] \n\n");
do
{
x=getch();
}while(x!='n'x!='y');
if(x=='n')
break;
}
fclose(fp);
system("cls");
}
//书
void return_book()
{
FILE*fp;
struct book n;
struct book nn;
char x,z;
int l,r;
fp=fopen("F:\\课程设计\\图书管理系统.txt","rb+");
while(1)
{
l=0;
system("cls");
printf("\n");
printf("请输入需要借图书名: \n");
fflush(stdin);
scanf("%s",n.tittle);
rewind(fp);
while(1)
{
fread(nn,sizeof(nn),1,fp);
if(feof(fp))
break;
r=strcmp(n.tittle,nn.tittle);
if(r==0)
{
l=1;
break;
}
}
if(l==0)
{
printf("\n");
printf("起未找该图书 \n");
}
else
{
printf("\n");
printf("****************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
printf("%s %s %s %s %s %s %s %s",nn.number,nn.tittle,nn.writer,nn.publisher,nn.date,nn.price,nn.status,nn.reader);
printf("\n");
fflush(stdin);
printf("请输入图书信息并修改库状态 \n\n");
printf("****************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
scanf("%s %s %s %s %s %s %s %s",n.number,n.tittle,n.writer,n.publisher,n.date,n.price,n.status,n.reader);
fseek(fp,-(int)sizeof(nn),1);
fwrite(n,sizeof(nn),1,fp);
}
printf("\n");
printf("否继续书 [(y)/否(n)] \n");
do
{
x=getche();
}while(x!='n'x!='y');
if(x=='n')
break;
}
fclose(fp);
system("cls");
}
//浏览
void scan_book()
{
FILE*fp;
char x,z;
struct book n;
fp=fopen("F:\\课程设计\\图书管理系统.txt","rb");
rewind(fp);
system("cls");
while(1)
{
fread(n,sizeof(n),1,fp);
if(feof(fp))
break;
else
{
printf("********************************************\n");
printf("编号 书名 作者 版社 版间 价格 状态 借阅者\n");
printf("\n");
printf("%s %s %s %s %s %s %s %s",n.number,n.tittle,n.writer,n.publisher,n.date,n.price,n.status,n.reader);
printf("\n");
}
}
printf("\n");
printf("主菜单请按车");
do
{
x=getche();
}while(x!='\r');
if(x=='\r')
{
fclose(fp);
system("cls");
}
}
"借书编号：["; for(int i=0;iMaxbor;i++) if(borbook[i]!=0) cout borbook[i] "|"; co
read(nn,sizeof(nn),1,fp); if(feof(fp))break;r=strcmp(n.tittle,nn.tittle);if(r==0){l=1;break;}}if(l==0){printf("\n");printf("起未
int borbook[Maxbor]; public: Reader() { ; } //获取姓名 char *getname() { return name; } //获取删除标记 int gettag() { return tag; }
rn NULL; } //输出所有读者信息 void disp() { for (int i=0;i=top;i++) read[i].disp(); } //读者库维护 void readerdata(); //析构函数，将read[]写到reader.txt文件中 ~RD
n,sizeof(n),1,fp); printf("\n");printf("否继续输入新图书信息[y/n] \n\n");do{x=getche();}while(x!='n'x!='y');}while(x=='y');fclose(fp); system("cls");}