C++图书馆管理系统源代码
/*****************************************************************************************/ #include #include #include #include //输入/输出文件流类 using namespace std; const int Maxr=100;//最多的读者 const int Maxb=100;//最多的图书 const int Maxbor=5;//每位读者最多借五本书 //读者类,实现对读者的信息的描述 class Reader { private: int tag; //删除标记 1:已删 0:未删 int no; //读者编号 char name[10]; //读者姓名 int borbook[Maxbor];//所借图书 public: Reader() {} char *getname() {return name;} //获取姓名 int gettag() {return tag;} //获取删除标记 int getno() {return no;} //获取读者编号 void setname(char na[]) //设置姓名 { strcpy(name,na); } void delbook(){ tag=1; }//设置删除标记 1:已删 0:未删 void addreader(int n,char *na)//增加读者 { tag=0; no=n; strcpy(name,na); for(int i=0;i<Maxbor;i++) borbook[i]=0; } void borrowbook(int bookid)//借书操作 { for(int i=0;i<Maxbor;i++) { if (borbook[i]==0) { borbook[i]=bookid; return; } } } int retbook(int bookid)//还书操作 { for(int i=0;i<Maxbor;i++) { if(borbook[i]==bookid) { borbook[i]=0; return 1; } } return 0; } void disp()//读出读者信息 { cout << setw(5) << no <<setw(10) << name<<"借书编号：["; for(int i=0;i<Maxbor;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: int top; //读者记录指针 Reader read[Maxr];//读者记录 public: RDatabase() //构造函数，将reader.txt读到read[]中 { Reader s; top=-1; fstream file("reader.txt",ios::in);//打开一个输入文件 while (1) { file.read((char *)&s,sizeof(s)); if (!file)break; top++; read[top]=s; } file.close(); //关闭 reader.txt } void clear()//删除所有读者信息 { top=-1; } int addreader(int n,char *na)//添加读者时先查找是否存在 { Reader *p=query(n); if (p==NULL) { top++; read[top].addreader(n,na); return 1; } return 0; } Reader *query(int readerid)//按编号查找 { for (int i=0;i<=top;i++) if (read[i].getno()==readerid && read[i].gettag()==0) { return &read[i]; } return NULL; } void disp() //输出所有读者信息 { for (int i=0;i<=top;i++) read[i].disp(); } void readerdata();//读者库维护 ~RDatabase() //析构函数，将read[]写到reader.txt文件中 { 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，借出，还入等 class Book { private: int tag;//删除标记 1:已删 0:未删 int no;//图书编号 char name[20];//书名 int onshelf;//是否再架 1:再架 2:已借 public: Book(){} char *getname() { return name; }//获取姓名 int getno(){ return no; }//获取图书编号 int gettag(){ return tag; }//获取删除标记 void setname(char na[])//设置书名 { strcpy(name,na); } void delbook(){ tag=1;}//删除图书 void addbook(int n,char *na)//增加图书 { tag=0; no=n; strcpy(name,na); onshelf=1; } int borrowbook()//借书操作 { if (onshelf==1) { onshelf=0; return 1; } return 0; } void retbook()//还书操作 { onshelf=1; } void disp()//输出图书 { 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: int top; //图书记录指针 Book book[Maxb]; //图书记录 public: BDatabase()//构造函数，将book.txt读到book[]中 { 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(); } void clear()//全删 { top=-1; } int addbook(int n,char *na)//增加图书 { Book *p=query(n); if (NULL==p) { top++; book[top].addbook(n,na); return 1; } return 0; } Book *query(int bookid)//查找图书 { for (int i=0;i<=top;i++) if (book[i].getno()==bookid &&book[i].gettag()==0) { return &book[i]; } return NULL; } void bookdata();//图书库维护 void disp() { for (int i=0;i<=top;i++) if (book[i].gettag()==0) book[i].disp(); } ~BDatabase()//析构函数，将book[]写到book.txt文件中 { 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 "<<endl<<endl; 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; switch (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 int main(void) { char choice; int bookid,readerid; RDatabase ReaderDB; Reader *r; BDatabase BookDB; Book *b; while(choice!='0') { cout <<endl<<endl<<"\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; r=ReaderDB.query(readerid);//按编号查找 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："; } } return 0; }
求图书馆管理系统c++源代码
#include
#include
#include
#include
#include
#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 studentnum,phonenum;
char lendbook[10];
}student[1000];
struct book /*定义书的类型*/
{
char bookname[11];
char publisher[20];
char page;
char year[6];
char status[4];
char name[11];
char author[51];
char booknum;
char bookcreat[10];
char borrownum;
char 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;
int studentphone;
}car[100];
addcar()
{
FILE *fp;
int i=0;
double allnum,stillbook,outbook,allmoney,avemoney;
fp=fopen("car.txt","a+");
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("注册完毕，任意键返回\n");
fp=fopen("book.txt","r");
avemoney=allmoney/allnum;
fclose(fp);
printf("书籍总数：%ld，已借出的书籍：%ld，在馆的书籍：%ld，书籍贯总金额：%ld,书籍平均价格：%ld",
stillbook,outbook,allmoney,avemoney);
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\n",
i+1,car[i].carnum,car[i].studentname,car[i].studentclass,car[i].studentphone);
n=n+1;
}
fclose(fp);
printf("目前共有%d本书\n",n);
printf("按任意键\n");
getch();
}
void findbook()
{
FILE *fp;
char bookname[10];
int ture,i,booknum;
fp=fopen("book.txt","r");
printf("请输入你要查找的booknum");
scanf("%d",&booknum);
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(booknum,book[i].booknum)==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;
}
else
printf("没有你要查询的书籍\n");
fclose(fp);}
return FALSE;
}
void borrowbook(struct book *m) //借阅图书函数
{
int num;
struct book *b, *b1;
printf("输入要借书的编码:");
scanf("%d",&num);
b = searchbook(num); /*调用查找图书结点函数*/
if(b != NULL)
{
if(m->borrownum < 10)
{
// b->status = '0';
// b1 = &m->book[m->borrownum];
strcpy(b1->name,b->name);
strcpy(b1->author,b->author);
b1->booknum = b->booknum;
strcpy(b1->year,b->year);
b1->page = b->page;
strcpy(b1->publisher,b->publisher);
// b1->price = b->price;
// b1->status = b->status;
m->borrownum++;
printf("%s借书成功!",b->name);
getch();
}
else
{
printf("你已借满10本书.");
getch();
}
}
else
{
printf("没有你要借的书.");
getch();
}
}
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,booknum;
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*/
{
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booknum\n");
scanf("%d",&booknum);
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;
}
else
printf("你没有借这样的书，任意键返回\n");}/*出错提示*/
fclose(fp);
getch();
return 0;
}
else
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();
}
void main()
{
struct book *m;
char ch5;
do
{
printf("---------------欢迎进入图书查询系统！--------------\n");
printf(" 1：\n");
printf(" 2: \n");
printf(" 3：\n");
printf(" 4: \n");
printf(" 5: \n");
printf(" 0：\n");
printf("请输入0--5,其他输入非法！\n");
scanf("%s",&ch5);
switch(ch5)
{
case '1':addcar();getch();
case '2':carcount();getch();break;
case '3':findbook();getch();break;
case '4':borrowbook(m );getch();break;
case '5':huanbook();getch();break;
case '0':break;
default:printf("无此操作\n");getch();break;
}
}while(ch5!='0');
//return FALSE;
}
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最新文章
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