图书管理系统C++代码，用Dev c++ 5.11运行，出现的错误，怎么改？
#include<iostream>#include<iomanip>
#include<windows.h>
#include<conio.h>
#include<string>
using namespace std;
const int Maxbor=10;//每位读者最多借10本书
class Reader//读者类
{
int tag;
int num;
char mima;
char name;
int borbook;
public:
Reader();
int getnum();
int gettag();
char*getname();
char* getmima();
void setname(char na[]);
void delreader();
void addreader(int n,char*na,char*mi);
void borrowbook(int bookid);
int retbook(int bookid);
void disp();
};
Reader::Reader(){
char*Reader::getname(){return name; }
int Reader::gettag(){return tag;}//获取删除符号
int Reader::getnum(){return num;}//获取读者编号
char*Reader::getmima(){return mima;}//获取读者的密码
void Reader::setname(char na[])//设置姓名
{
strcpy(name,na);
}
void Reader::delreader (){teg=1;}//删除读者
void Reader::addreader(int n,char*na,char*mi)//增加读者
{
tag=0;
num=n;
strcpy(name,na);
strcpy(mima,mi);
for(int i=0;i<Maxbor;i++)
borbook=0;
}
void Reader::borrowbook(int bookid)//借书操作
{
for(int i=0;i<Maxbor;i++)
{
if(borbook==bookid)
{
borbook=0;
return;
}
}
}
int Reader::retbook(int bookid)//还书操作
{
for(int i=0;i<Maxbor;i++)
{
if(borbook==bookid)
{
borbook=0;
return 1;
}
}
return 0;
}
void Reader::disp();//输出读者信息
{
cout<<endl;
cout<<setw(12)<<num<<"借书编号：[";
for(int i=0;i<Maxbor;i++)
if(borbook!=0)
cout<<borbook<<";";
cout<<"]"<<endl;
}
classBook//图书类
{
int tag;
int num;
char name;
char writer;
char concern;
char Time;
float price;
int onshelf;
public:
Book();
char*getname();
int getnum();
int getonshelf();
char*getwriter();
char*gettime();
char*getconcern();
float getprice();
int gettag();
void getTime(char time[]);
void setname(cher na[]);
void delbook();
void addbook()(int n,char*wri,char*con,char*tm,float pr);//增加图书
int borrowbook();//借书操作
void retbook();//还书操作
void disp();//输出图书
} ;Book::Book(){}
char*Book::getname(){return name;}//获取姓名
int Book::getonshelf(){return onshelf;}
int Book::getnum(){return num; }//获取图书编号
char*Book::getwriter(){return writer;} //获取书籍作者
char*Book::getconcern(){return concern;}//获取书籍出版社
char*Book::gettime(){return Time;}
float Book::getprice(){return price;}//获取书籍价格
int Book::gettag(){return tag; } //获取删除标记
void Book::setname(char na[]) //设置书名
{
strcpy(name,na);
}
void Book::getTime(char time[])
{
strcpy(Time,time);
}
void Book::delbook(){tag=1;}//删除图书
void Book::addbook(int n,char*na,char*wri,char*con,char*tm,float pr)//增加图书
{
tag=0;
num=n;
strcpy(name,na);
strcpy(writer,wri);
strcpy(concern,con);
strcpy(Time,tm);
price=pr;
onshelf=l;
}
int Book::borrowbook()//借书操作
{
if(onshelf==1)
{
onshelf=0;
return 1;
}
return 0;
}
void Book::retbook()//还书操作
{
onshelf=1;
}
void Book::disp()//输出图书
{
cout << setw(6) << num << setw(12) << name << setw(15) << concern << setw(10) << writer << setw(12) << Time<<setw(6)<<(onshelf==1?"在架"；"已借")<<endl;
}
class BDatabase//图书库类
{
int top;
Book book;
public:
BDatabase();
void clear();
int addbook(int n,char*na,char*wri,char*con,char*tm,float pr);
Book *query(int bookid);
int BDatabase::qname(char*nm);
Book BDatabase::Qname(char*nm);
int qzuozhe(char *wr);
Book*Qzuozhe(char*wr);
int qchuban(char*cb);
Book*Qchuban(char*cb);
void bookdata();
~BDatabase();
void disp();
} ;
BDatabase::BDatabase()//构造函数将book.txt读到book[]中
{
Book b;
top=1;
fstream file("d:\\book.txt",ios::in);
while(1)
{
file.read((char*)&b,sizeof(b));
if(!file)break;
top++;
book=b;
}
file.close;
}
void BDatabase::clear()//全删
{
top=-1;
}
int BDatabase::addbook(int n,char*na,char*wri,char*con,char*tm,float pr)//增加图书
{
Book *p=query(n);
if(p==NULL)
{
top++;
book.addbook(n,na,wri,con,tm,pr);
return 1;
}
return 0;
}
Book*BDatabase::query(int bookid)//查找图书
{
for(int i=0;i<=top;i++)
if(book.getnum()==bookid&&book.gettag()=0)
return &book;
return NULL;
}
int BDatabase::qname(char*nm)
{
int j=0;
for(int i=0;i<=top;i++)
if((strcmp(book.getname().nm)==0)&&book.gettag()==0)
j++;
if(j==0)
return 0;
else
return j;
}
Book*BDatabase::Qname(char*nm)
{
int j=0;
Book b;
for (int i=0;i<=top;i++)
if((strcmp(book.getname().nm)==0)&&book.gettag()==0)
b=book;
if(j==0)
return NULL;
else
return b;
}
int BDatabase::qzuozhe(char *wr)
{
int e=0;
for(int i=0:i<=top;i++)
if((strcmp(book.getwriter().wr)==0)&&book.gettag()=0)
e++;
if(e==0)
return 0;
else
return b;
}
Book*BDatabase::Qzuozhe(char *wr)
{
int f=0;
Book b;
for(int i=0:i<=top;i++)
if((strcmp(book.getwriter().wr)==0)&&book.gettag()=0)
b=book;
if(f==0)
return NULL;
else
return b;
}
int BDatabase::qchuban(char *cb)
{
int g=0;
for(int i=0:i<=top;i++)
if((strcmp(book.getconcern().wr)==0)&&book.gettag()=0)
g++;
if(g==0)
return 0;
else
return g;
}
Book*BDatabase::Qchuban(char *cb)
{
int h=0;
Book b;
for(int i=0:i<=top;i++)
if((strcmp(book.getconcern().wr)==0)&&book.gettag()=0)
b=book;
if(h==0)
return NULL;
else
return b;
}
void BDatabase::bookdata()//图书库维护
{
int choice=1;
char bname;
int bookid;
char bwrite;
char bconcern;
char btime;
float bprice;
Book *b;
int r=0;
while(choice！=0)
{
cout<<endl<<endl<<endl<<endl;
cout<<" --------------------------------- "<<endl;
cout<<" -- 图书维护 --"<<endl;
cout<<" -- 1.新增 --"<<endl;
cout<<" -- 2.删除 --"<<endl;
cout<<" -- 3.查找 --"<<endl;
cout<<" -- 4.显示 --"<<endl;
cout<<" -- 5.全删 --"<<endl;
cout<<" -- 0.退出 --"<<endl;
cout<<" ----------------------------------"<<endl;
cout<<"请选择您将进行的操作：";
cin>>choice;
switch(choice)
{
case1:
cout<<"图书编号：";
cin>>bookid;
do
{
if(r!=0)
{
cout<<"该编号错误，请重新输入：";
cin>>bookid;
}
r++;
if(r==3)
break;
}
while(query(bookid)!=NULL);
if(r==3)
{
system("cls");
break;
}
cout<<"图书书名：";
cin<<bname;
cout<<"图书作者：";
cin>>bwriter;
cout<<"图书出版社：";
cin>>bconcern;
cout<<"图书出版时间：";
cin>>btime;
cout<<"图书价格";
cin>>bprice;
cout<<"图书添加成功"<<endl;
Sleep(1000);
system("cls");
addbook(bookid,bname,bwriter,bconcern,btime,bprice);
break;
case2:
cout<<"图书编号：";
cin>>bookid;
b=query(bookid);
if(b==NULL)
{
cout<<"该图书不在"<<endl;
Sleep(1000);
system("cls");
break;
}
cout<<"已删除"<<endl;
Sleep(1000);
system("cls");
b->delbook();
break;
case3:
cout<<"图书编号：";
cin>>bookid;
b=query(bookid);
if(b==NULL)
{
cout<<"该图书不在"<<endl;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout<<"所查信息如下："<<endl;
b->disp();
break;
case4:
system("cls");
cout<<"所有图书信息如下："<<endl;
b->disp();
break;
case5:
clear();
cout<<"所有图书已删除"<<endl;
Sleep(1000);
system("cls");
break:
}
}
system("cls");
}
void BDatabase::disp()
{
Book temp;
for(int i=0;i<=top&&(book.gettag()==0);i++)
for(int j=i+1;j<=top;&&(book.gettag()==0);j++)
if(strcmp(book.gettime(),book.gettime())<0)
{
temp=book;
book=book;
book=temp;
}
for(int x=0;x<=top;&&(book.gettag()==0);x++)
book.disp();
}
BDatebase::~BDatabase()//析构函数，将book[]写入book .txt文件中
{
fstream file(d:\\book.txt",ios::out);
for(int i=0;i<=top;i++)
if(book.gettag()=0)
file.write((char*)&book,sizeof(book));
file.close();
}
class Rdatebase //读者库类
{
int top;
Reader read;//读者记录
public:
Rdatebase();
void disp();
void clear();
void addreader(int n,char*na,char*mi);
Reader *query(int readerid);
~Rdatebase();
void readerdata();
} ;
Rdatebase::Rdatebase()//构造函数，将reader.txt读到read[]中
{
Reader s;
top=-1;
fstream file("d:\\reader.txt",ios::in);
while(1)
{
file.read((char*)&s,sizeof(s));
if(!file)break;
top++;
read=s;
}
file.close();
}
void Rdatebase::disp();
{
for(int i=0;i<=top;i++)
if(read,gettag()==0)
read.disp();
}
void Rdatebase::clear()
{
top=-1;
}
void Rdatebase::addreader(int n,char*na,char*mi)
{
top++;
read.addreader(n,na,mi);
}
Reader*Rdatebase::query(int readerid)
{
for(int i=0;i<=top;i++)
if(read.getnum()==readerid&&read.gettag()==0)
return &read;
return NULL;
}
Rdatebase::~Rdatebase()//析构函数，将red[]写入read.txt文件中
{
fstream file("d:\\reader.txt",ios::out);
for(int i=0;i<=top;i++)
if(read.gettag()=0)
file.write((char*)&read,sizeof(read));
file.close();
}
void Rdarebase::readerdata()//读者库维护
{
int choice;
char rname;
int readerid;
char rmima;
Reader *r;
while (choice!=0)
{
cout<<"--------------------------------------"<<endl;
cout<<"-- 读者维护 --"<<endl;
cout<<"-- 1、新增 --"<<endl;
cout<<"-- 2、更改 --"<<endl;
cout<<"-- 3、删除 --"<<endl;
cout<<"-- 4、查找 --"<<endl;
cout<<"-- 5、显示 --"<<endl;
cout<<"-- 6、全删 --"<<endl;
cout<<"-- 0.退出 --"<<endl;
cout<<"--------------------------------------"<<endl;
cout<<"请选择"<<endl;
cin>>choice;
int a=0;
int i=0;
switch(choice)
{
case 0:
system("cls");
break;
case 1:
cout<<"读者编号：";
cin>>readerid;
do
{
if(a!=0)
{
cout<<"已存在，请重新输入："；
cin>>readerid;
}
a++;
}
while(query(reader)!=NULL);
cout<<"输入读者密码：";
for(i;i<6;i++)
{
rmima=getch();
putch("-");
}
cout<<endl<<"输入读者姓名：";
cin>>rname;
cout<<"添加成功"<<endl;
addreader(readerid,rname,rmima);
Sleep(1000);
system("cls");
break;
case2:
cout<<"读者编号：";
cin>>readerid;
r=query(readerid);
if(r==NULL)
{
cout<<"该读者不存在"<<endl;
Sleep(1000);
system("cls");
break;
}
cout<<"输入新的读者姓名：";
cin>>rname;
cout<<"读者更改成功"<<endl;
Sleep(1000);
system("cls");
r->setname(rname);
break;
case3:
cout<<"读者编号：";
cin>>readerid;
r=query(readerid);
if(r==NULL)
{
cout<<"该读者不存在"<<endl;
Sleep(1000);
system("cls");
break;
}
cout<<"读者删除成功"<<endl;
Sleep(1000);
system("cls");
r->delreader();
break;
case4:
cout<<"读入读者编号：";
cin>>readerid;
r=query(readerid);
if(r==NULL)
{
cout<<"该读者不存在"<<endl;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout<<"您所查找的读者信息如下"<<endl;
r->disp();
break;
case 5:
system("cls");
cout<<"所有读者信息如下"<<endl;
disp();
break;
case 6:
clear();
cout<<"所有读者已删除"<<endl ;
Sleep(1000);
system("cls");
break;
}
}
} 编译单个文件...
--------
- 文件名: C:\Users\DELL\Documents\代码C\实验报告.cpp
- 编译器名: TDM-GCC 4.9.2 64-bit Release
处理 C++ 源文件...
--------
- C++ 编译器: C:\Program Files (x86)\Dev-Cpp\MinGW64\bin\g++.exe
- 命令: g++.exe "C:\Users\DELL\Documents\代码C\实验报告.cpp" -o "C:\Users\DELL\Documents\代码C\实验报告.exe"-I"C:\Program Files (x86)\Dev-Cpp\MinGW64\include" -I"C:\Program Files (x86)\Dev-Cpp\MinGW64\x86_64-w64-mingw32\include" -I"C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include" -I"C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++" -L"C:\Program Files (x86)\Dev-Cpp\MinGW64\lib" -L"C:\Program Files (x86)\Dev-Cpp\MinGW64\x86_64-w64-mingw32\lib" -static-libgcc
C:\Users\DELL\Documents\代码C\实验报告.cpp:159:6: error: stray '\243' in program
cout << setw(6) << num << setw(12) << name << setw(15) << concern << setw(10) << writer << setw(12) << Time<<setw(6)<<(onshelf==1?"在架"；"已借")<<endl;
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:159:6: error: stray '\273' in program
C:\Users\DELL\Documents\代码C\实验报告.cpp:298:6: error: stray '\243' in program
while(choice！=0)
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:298:6: error: stray '\241' in program
C:\Users\DELL\Documents\代码C\实验报告.cpp:415:7: error: stray '\' in program
fstream file(d:\\book.txt",ios::out);
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:415:7: error: stray '\' in program
C:\Users\DELL\Documents\代码C\实验报告.cpp:415:32: warning: missing terminating " character
fstream file(d:\\book.txt",ios::out);
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:415:7: error: missing terminating " character
fstream file(d:\\book.txt",ios::out);
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:515:14: error: stray '\243' in program
cout<<"已存在，请重新输入："；
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:515:14: error: stray '\273' in program
C:\Users\DELL\Documents\代码C\实验报告.cpp:14:14: error: 'Marbor' was not declared in this scope
int borbook;
^
C:\Users\DELL\Documents\代码C\实验报告.cpp: In constructor 'Reader::Reader()':
C:\Users\DELL\Documents\代码C\实验报告.cpp:30:23: error: qualified-id in declaration before '(' token
char*Reader::getname(){return name; }
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:31:21: error: qualified-id in declaration before '(' token
int Reader::gettag(){return tag;}//获取删除符号
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:32:21: error: qualified-id in declaration before '(' token
int Reader::getnum(){return num;}//获取读者编号
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:33:23: error: qualified-id in declaration before '(' token
char*Reader::getmima(){return mima;}//获取读者的密码
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:34:23: error: qualified-id in declaration before '(' token
void Reader::setname(char na[])//设置姓名
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:38:27: error: qualified-id in declaration before '(' token
void Reader::delreader (){teg=1;}//删除读者
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:39:24: error: qualified-id in declaration before '(' token
void Reader::addreader(int n,char*na,char*mi)//增加读者
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:49:26: error: qualified-id in declaration before '(' token
void Reader::borrowbook(int bookid)//借书操作
^
C:\Users\DELL\Documents\代码C\实验报告.cpp:598:9: error: expected '}' at end of input
}
^
编译结果...
--------
- 错误: 19
- 警告: 1
- 编译时间: 1.48s
你这不是怎么改的问题，我建议你重写。 你可能不知道133个报错是什么概念 这是修改后的代码，但还是有5个bug
#include<iostream>
#include<iomanip>
#include<windows.h>
#include<conio.h>
#include<string>
using namespace std;
const int Maxbor=10;//每位读者最多借10本书
class Reader//读者类
{
int tag;
int num;
char mima;
char name;
int borbook;
public:
Reader();
int getnum();
int gettag();
char*getname();
char* getmima();
void setname(char na[]);
void delreader();
void addreader(int n,char*na,char*mi);
void borrowbook(int bookid);
int retbook(int bookid);
void disp();
};
Reader::reader(){
char*Reader::getname(){return name; }
int Reader::gettag(){return tag;}//获取删除符号
int Reader::getnum(){return num;}//获取读者编号
char*Reader::getmima(){return mima;}//获取读者的密码
void Reader::setname(char na[])//设置姓名
{
strcpy(name,na);
}
void Reader::delreader (){teg=1;}//删除读者
void Reader::addreader(int n,char*na,char*mi)//增加读者
{
tag=0;
num=n;
strcpy(name,na);
strcpy(mima,mi);
for(int i=0;i<Maxbor;i++)
borbook=0;
}
void Reader::borrowbook(int bookid)//借书操作
{
for(int i=0;i<Maxbor;i++)
{
if(borbook==bookid)
{
borbook=0;
return;
}
}
}
int Reader::retbook(int bookid)//还书操作
{
for(int i=0;i<Maxbor;i++)
{
if(borbook==bookid)
{
borbook=0;
return 1;
}
}
return 0;
}
void Reader::disp();//输出读者信息
{
cout<<endl;
cout<<setw(12)<<num<<"借书编号：[";
for(int i=0;i<Maxbor;i++)
if(borbook!=0)
cout<<borbook<<";";
cout<<"]"<<endl;
}
class Book//图书类
{
int tag;
int num;
char name;
char writer;
char concern;
char Time;
float price;
int onshelf;
public:
Book();
char*getname();
int getnum();
int getonshelf();
char*getwriter();
char*gettime();
char*getconcern();
float getprice();
int gettag();
void getTime(char time[]);
void setname(cher na[]);
void delbook();
void addbook()(int n,char*wri,char*con,char*tm,float pr);//增加图书
int borrowbook();//借书操作
void retbook();//还书操作
void disp();//输出图书
} ;Book::Book(){}
char*Book::getname(){return name;}//获取姓名
int Book::getonshelf(){return onshelf;}
int Book::getnum(){return num; }//获取图书编号
char*Book::getwriter(){return writer;} //获取书籍作者
char*Book::getconcern(){return concern;}//获取书籍出版社
char*Book::gettime(){return Time;}
float Book::getprice(){return price;}//获取书籍价格
int Book::gettag(){return tag; } //获取删除标记
void Book::setname(char na[]) //设置书名
{
strcpy(name,na);
}
void Book::getTime(char time[])
{
strcpy(Time,time);
}
void Book::delbook(){tag=1;}//删除图书
void Book::addbook(int n,char*na,char*wri,char*con,char*tm,float pr)//增加图书
{
tag=0;
num=n;
strcpy(name,na);
strcpy(writer,wri);
strcpy(concern,con);
strcpy(Time,tm);
price=pr;
onshelf=l;
}
int Book::borrowbook()//借书操作
{
if(onshelf==1)
{
onshelf=0;
return 1;
}
return 0;
}
void Book::retbook()//还书操作
{
onshelf=1;
}
void Book::disp()//输出图书
{
cout << setw(6) << num << setw(12) << name << setw(15) << concern << setw(10) << writer << setw(12) << Time<<setw(6)<<(onshelf==1?"在架"；"已借")<<endl;
}
class BDatabase//图书库类
{
int top;
Book book;
public:
BDatabase();
void clear();
int addbook(int n,char*na,char*wri,char*con,char*tm,float pr);
Book *query(int bookid);
int BDatabase::qname(char*nm);
Book BDatabase::Qname(char*nm);
int qzuozhe(char *wr);
Book*Qzuozhe(char*wr);
int qchuban(char*cb);
Book*Qchuban(char*cb);
void bookdata();
~BDatabase();
void disp();
} ;
BDatabase::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=b;
}
file.close;
}
void BDatabase::clear()//全删
{
top=-1;
}
int BDatabase::addbook(int n,char*na,char*wri,char*con,char*tm,float pr)//增加图书
{
Book *p=query(n);
if(p==NULL)
{
top++;
book.addbook(n,na,wri,con,tm,pr);
return 1;
}
return 0;
}
Book*BDatabase::query(int bookid)//查找图书
{
for(int i=0;i<=top;i++)
if(book.getnum()==bookid&&book.gettag()=0)
return &book;
return NULL;
}
int BDatabase::qname(char*nm)
{
int j=0;
for(int i=0;i<=top;i++)
if((strcmp(book.getname().nm)==0)&&book.gettag()==0)
j++;
if(j==0)
return 0;
else
return j;
}
Book*BDatabase::Qname(char*nm)
{
int j=0;
Book b;
for (int i=0;i<=top;i++)
if((strcmp(book.getname().nm)==0)&&book.gettag()==0)
b=book;
if(j==0)
return NULL;
else
return b;
}
int BDatabase::qzuozhe(char *wr)
{
int e=0;
for(int i=0:i<=top;i++)
if((strcmp(book.getwriter().wr)==0)&&book.gettag()=0)
e++;
if(e==0)
return 0;
else
return b;
}
Book*BDatabase::Qzuozhe(char *wr)
{
int f=0;
Book b;
for(int i=0:i<=top;i++)
if((strcmp(book.getwriter().wr)==0)&&book.gettag()=0)
b=book;
if(f==0)
return NULL;
else
return b;
}
int BDatabase::qchuban(char *cb)
{
int g=0;
for(int i=0:i<=top;i++)
if((strcmp(book.getconcern().wr)==0)&&book.gettag()=0)
g++;
if(g==0)
return 0;
else
return g;
}
Book*BDatabase::Qchuban(char *cb)
{
int h=0;
Book b;
for(int i=0:i<=top;i++)
if((strcmp(book.getconcern().wr)==0)&&book.gettag()=0)
b=book;
if(h==0)
return NULL;
else
return b;
}
void BDatabase::bookdata()//图书库维护
{
int choice=1;
char bname;
int bookid;
char bwrite;
char bconcern;
char btime;
float bprice;
Book *b;
int r=0;
while(choice!=0)
{
cout<<endl<<endl<<endl<<endl;
cout<<" --------------------------------- "<<endl;
cout<<" -- 图书维护 --"<<endl;
cout<<" -- 1.新增 --"<<endl;
cout<<" -- 2.删除 --"<<endl;
cout<<" -- 3.查找 --"<<endl;
cout<<" -- 4.显示 --"<<endl;
cout<<" -- 5.全删 --"<<endl;
cout<<" -- 0.退出 --"<<endl;
cout<<" ----------------------------------"<<endl;
cout<<"请选择您将进行的操作：";
cin>>choice;
switch(choice)
{
case1:
cout<<"图书编号：";
cin>>bookid;
do
{
if(r!=0)
{
cout<<"该编号错误，请重新输入：";
cin>>bookid;
}
r++;
if(r==3)
break;
}
while(query(bookid)!=NULL);
if(r==3)
{
system("cls");
break;
}
cout<<"图书书名：";
cin<<bname;
cout<<"图书作者：";
cin>>bwriter;
cout<<"图书出版社：";
cin>>bconcern;
cout<<"图书出版时间：";
cin>>btime;
cout<<"图书价格";
cin>>bprice;
cout<<"图书添加成功"<<endl;
Sleep(1000);
system("cls");
addbook(bookid,bname,bwriter,bconcern,btime,bprice);
break;
case2:
cout<<"图书编号：";
cin>>bookid;
b=query(bookid);
if(b==NULL)
{
cout<<"该图书不在"<<endl;
Sleep(1000);
system("cls");
break;
}
cout<<"已删除"<<endl;
Sleep(1000);
system("cls");
b->delbook();
break;
case3:
cout<<"图书编号：";
cin>>bookid;
b=query(bookid);
if(b==NULL)
{
cout<<"该图书不在"<<endl;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout<<"所查信息如下："<<endl;
b->disp();
break;
case4:
system("cls");
cout<<"所有图书信息如下："<<endl;
b->disp();
break;
case5:
clear();
cout<<"所有图书已删除"<<endl;
Sleep(1000);
system("cls");
break:
}
}
system("cls");
}
void BDatabase::disp()
{
Book temp;
for(int i=0;i<=top&&(book.gettag()==0);i++)
for(int j=i+1;j<=top;&&(book.gettag()==0);j++)
if(strcmp(book.gettime(),book.gettime())<0)
{
temp=book;
book=book;
book=temp;
}
for(int x=0;x<=top;&&(book.gettag()==0);x++)
book.disp();
}
BDatebase::~BDatabase()//析构函数，将book[]写入book .txt文件中
{
fstream file("book.txt",ios::out);
for(int i=0;i<=top;i++)
if(book.gettag()=0)
file.write((char*)&book,sizeof(book));
file.close();
}
class Rdatebase //读者库类
{
int top;
Reader read;//读者记录
public:
Rdatebase();
void disp();
void clear();
void addreader(int n,char*na,char*mi);
Reader *query(int readerid);
~Rdatebase();
void readerdata();
} ;
Rdatebase::Rdatebase()//构造函数，将reader.txt读到read[]中
{
Reader s;
top=-1;
fstream file("reader.txt",ios::in);
while(1)
{
file.read((char*)&s,sizeof(s));
if(!file)break;
top++;
read=s;
}
file.close();
}
void Rdatebase::disp();
{
for(int i=0;i<=top;i++)
if(read,gettag()==0)
read.disp();
}
void Rdatebase::clear()
{
top=-1;
}
void Rdatebase::addreader(int n,char*na,char*mi)
{
top++;
read.addreader(n,na,mi);
}
Reader*Rdatebase::query(int readerid)
{
for(int i=0;i<=top;i++)
if(read.getnum()==readerid&&read.gettag()==0)
return &read;
return NULL;
}
Rdatebase::~Rdatebase()//析构函数，将red[]写入read.txt文件中
{
fstream file("d:\\reader.txt",ios::out);
for(int i=0;i<=top;i++)
if(read.gettag()=0)
file.write((char*)&read,sizeof(read));
file.close();
}
void Rdarebase::readerdata()//读者库维护
{
int choice;
char rname;
int readerid;
char rmima;
Reader *r;
while (choice!=0)
{
cout<<"--------------------------------------"<<endl;
cout<<"-- 读者维护 --"<<endl;
cout<<"-- 1、新增 --"<<endl;
cout<<"-- 2、更改 --"<<endl;
cout<<"-- 3、删除 --"<<endl;
cout<<"-- 4、查找 --"<<endl;
cout<<"-- 5、显示 --"<<endl;
cout<<"-- 6、全删 --"<<endl;
cout<<"-- 0.退出 --"<<endl;
cout<<"--------------------------------------"<<endl;
cout<<"请选择"<<endl;
cin>>choice;
int a=0;
int i=0;
switch(choice)
{
case 0:
system("cls");
break;
case 1:
cout<<"读者编号：";
cin>>readerid;
do
{
if(a!=0)
{
cout<<"已存在，请重新输入："；
cin>>readerid;
}
a++;
}
while(query(reader)!=NULL);
cout<<"输入读者密码：";
for(i;i<6;i++)
{
rmima=getch();
putch("-");
}
cout<<endl<<"输入读者姓名：";
cin>>rname;
cout<<"添加成功"<<endl;
addreader(readerid,rname,rmima);
Sleep(1000);
system("cls");
break;
case2:
cout<<"读者编号：";
cin>>readerid;
r=query(readerid);
if(r==NULL)
{
cout<<"该读者不存在"<<endl;
Sleep(1000);
system("cls");
break;
}
cout<<"输入新的读者姓名：";
cin>>rname;
cout<<"读者更改成功"<<endl;
Sleep(1000);
system("cls");
r->setname(rname);
break;
case3:
cout<<"读者编号：";
cin>>readerid;
r=query(readerid);
if(r==NULL)
{
cout<<"该读者不存在"<<endl;
Sleep(1000);
system("cls");
break;
}
cout<<"读者删除成功"<<endl;
Sleep(1000);
system("cls");
r->delreader();
break;
case4:
cout<<"读入读者编号：";
cin>>readerid;
r=query(readerid);
if(r==NULL)
{
cout<<"该读者不存在"<<endl;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout<<"您所查找的读者信息如下"<<endl;
r->disp();
break;
case 5:
system("cls");
cout<<"所有读者信息如下"<<endl;
disp();
break;
case 6:
clear();
cout<<"所有读者已删除"<<endl ;
Sleep(1000);
system("cls");
break;
}
}
} 159 7 C:\Users\DELL\Documents\代码C\实验报告.cpp stray '\243' in program
159 7 C:\Users\DELL\Documents\代码C\实验报告.cpp stray '\273' in program
515 14 C:\Users\DELL\Documents\代码C\实验报告.cpp stray '\243' in program
515 14 C:\Users\DELL\Documents\代码C\实验报告.cpp stray '\273' in program
29 17 C:\Users\DELL\Documents\代码C\实验报告.cpp no 'int Reader::reader()' member function declared in class 'Reader' 白砂糖 发表于 2020-6-27 23:14
159 7 C:%users\DELL\Documents\代码C\实验报告.cpp stray '\243' in progra ...
请解释一下if((strcmp(book.getwriter().wr)==0)&&book.gettag()=0)这种代码是要干什么？
改完后的代码：#include<iostream>
#include<iomanip>
#include<windows.h>
#include<conio.h>
#include<string>
#include<fstream>
using namespace std;
const int Maxbor = 10;//每位读者最多借10本书
class Reader { //读者类
int tag;
int num;
char mima;
char name;
int borbook;
public:
int getnum();
int gettag();
char* getname();
char* getmima();
void setname(char na[]);
void delreader();
void addreader(int n, char* na, char* mi);
void borrowbook(int bookid);
int retbook(int bookid);
void disp();
};
char* Reader::getname() { return name; }
int Reader::gettag() { return tag; }//获取删除符号
int Reader::getnum() { return num; }//获取读者编号
char* Reader::getmima() { return mima; }//获取读者的密码
void Reader::setname(char na[])//设置姓名
{
strcpy(name, na);
}
void Reader::delreader() { tag = 1; }//删除读者
void Reader::addreader(int n, char* na, char* mi)//增加读者
{
tag = 0;
num = n;
strcpy(name, na);
strcpy(mima, mi);
for (int i = 0; i < Maxbor; i++) {
borbook = 0;
}
}
void Reader::borrowbook(int bookid)//借书操作
{
for (int i = 0; i < Maxbor; i++)
{
if (borbook == bookid)
{
borbook = 0;
return;
}
}
}
int Reader::retbook(int bookid)//还书操作
{
for (int i = 0; i < Maxbor; i++)
{
if (borbook == bookid)
{
borbook = 0;
return 1;
}
}
return 0;
}
void Reader::disp() {
cout << endl;
cout << setw(12) << num << "借书编号：[";
for (int i = 0; i < Maxbor; i++)
if (borbook != 0)
cout << borbook << ';';
cout << ']' << endl;
}
class Book//图书类
{
int tag;
int num;
char name;
char writer;
char concern;
char Time;
float price;
int onshelf;
public:
char* getname();
int getnum();
int getonshelf();
char* getwriter();
char* gettime();
char* getconcern();
float getprice();
int gettag();
void getTime(char time[]);
void setname(char na[]);
void delbook();
int borrowbook();//借书操作
void retbook();//还书操作
void disp();//输出图书
void addbook(int n, char* na, char* wri, char* con, char* tm, float pr);
};
char* Book::getname() { return name; }//获取姓名
int Book::getonshelf() { return onshelf; }
int Book::getnum() { return num; }//获取图书编号
char* Book::getwriter() { return writer; } //获取书籍作者
char* Book::getconcern() { return concern; }//获取书籍出版社
char* Book::gettime() { return Time; }
float Book::getprice() { return price; }//获取书籍价格
int Book::gettag() { return tag; } //获取删除标记
void Book::setname(char na[]) //设置书名
{
strcpy(name, na);
}
void Book::getTime(char time[])
{
strcpy(Time, time);
}
void Book::delbook() { tag = 1; }//删除图书
void Book::addbook(int n, char* na, char* wri, char* con, char* tm, float pr)//增加图书
{
tag = 0;
num = n;
strcpy(name, na);
strcpy(writer, wri);
strcpy(concern, con);
strcpy(Time, tm);
price = pr;
onshelf = 1;
}
int Book::borrowbook()//借书操作
{
if (onshelf == 1)
{
onshelf = 0;
return 1;
}
return 0;
}
void Book::retbook()//还书操作
{
onshelf = 1;
}
void Book::disp()//输出图书
{
cout << setw(6) << num << setw(12) << name << setw(15) << concern << setw(10) << writer << setw(12) << Time << setw(6) << (onshelf == 1 ? "在架" : "已借") << endl;
}
class BDatabase//图书库类
{
int top;
Book book;
public:
BDatabase();
void clear();
int addbook(int n, char* na, char* wri, char* con, char* tm, float pr);
Book* query(int bookid);
int qname(char* nm);
Book* Qname(char* nm);
int qzuozhe(char* wr);
Book* Qzuozhe(char* wr);
int qchuban(char* cb);
Book* Qchuban(char* cb);
void bookdata();
~BDatabase();
void disp();
};
BDatabase::BDatabase()//构造函数将book.txt读到book[]中
{
Book b;
top = 1;
fstream file("d:\\book.txt", ios::in);
for (;;) {
file.read((char*)& b, sizeof(b));
if (!file) {
break;
}
top++;
book = b;
}
file.close();
}
void BDatabase::clear()//全删
{
top = -1;
}
int BDatabase::addbook(int n, char* na, char* wri, char* con, char* tm, float pr)//增加图书
{
Book* p = query(n);
if (p == NULL)
{
top++;
book.addbook(n, na, wri, con, tm, pr);
return 1;
}
return 0;
}
Book* BDatabase::query(int bookid)//查找图书
{
for (int i = 0; i <= top; i++) {
if (book.getnum() == bookid && book.gettag() == 0) {
return &book;
}
}
return NULL;
}
int BDatabase::qname(char* nm)
{
int j = 0;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getname().nm) == 0) && book.gettag() == 0) {
j++;
}
}
return j;
}
Book* BDatabase::Qname(char* nm)
{
int j = 0;
Book* b = new Book;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getname().nm) == 0) && book.gettag() == 0) {
b = book;
}
}
if (j) {
return b;
}
else {
delete[]b;
return 0;
}
}
int BDatabase::qzuozhe(char* wr)
{
int e = 0;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getwriter().wr) == 0) && book.gettag() == 0) {
e++;
}
}
return e;
}
Book* BDatabase::Qzuozhe(char* wr)
{
int f = 0;
Book b;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getwriter().wr) == 0) && book.gettag() == 0) {
b = book;
}
}
if (f == 0)
return NULL;
else
return b;
}
int BDatabase::qchuban(char* cb)
{
int g = 0;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getconcern().wr) == 0) && book.gettag() == 0) {
g++;
}
}
return g;
}
Book* BDatabase::Qchuban(char* cb)
{
int h = 0;
Book* b = new Book;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getconcern().wr) == 0) && book.gettag() == 0) {
b = book;
}
}
if (h) {
return b;
}
else {
delete[]b;
return 0;
}
}
void BDatabase::bookdata()//图书库维护
{
int choice = 1;
char bname;
int bookid;
char bwriter;
char bconcern;
char btime;
float bprice;
Book* b;
int r = 0;
while (choice)
{
cout << endl << endl << endl << endl;
cout << " --------------------------------- " << endl;
cout << " -- 图书维护 --" << endl;
cout << " -- 1.新增 --" << endl;
cout << " -- 2.删除 --" << endl;
cout << " -- 3.查找 --" << endl;
cout << " -- 4.显示 --" << endl;
cout << " -- 5.全删 --" << endl;
cout << " -- 0.退出 --" << endl;
cout << " ----------------------------------" << endl;
cout << "请选择您将进行的操作：";
cin >> choice;
switch (choice) {
case 1:
cout << "图书编号：";
cin >> bookid;
do
{
if (r != 0)
{
cout << "该编号错误，请重新输入：";
cin >> bookid;
}
r++;
if (r == 3)
break;
} while (query(bookid) != NULL);
if (r == 3)
{
system("cls");
break;
}
cout << "图书书名：";
cin >> bname;
cout << "图书作者：";
cin >> bwriter;
cout << "图书出版社：";
cin >> bconcern;
cout << "图书出版时间：";
cin >> btime;
cout << "图书价格";
cin >> bprice;
cout << "图书添加成功" << endl;
Sleep(1000);
system("cls");
addbook(bookid, bname, bwriter, bconcern, btime, bprice);
break;
case 2:
cout << "图书编号：";
cin >> bookid;
b = query(bookid);
if (b == NULL)
{
cout << "该图书不在" << endl;
Sleep(1000);
system("cls");
break;
}
cout << "已删除" << endl;
Sleep(1000);
system("cls");
b->delbook();
break;
case 3:
cout << "图书编号：";
cin >> bookid;
b = query(bookid);
if (b == NULL)
{
cout << "该图书不在" << endl;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout << "所查信息如下：" << endl;
b->disp();
break;
case 4:
system("cls");
cout << "所有图书信息如下：" << endl;
b->disp();
break;
case 5:
clear();
cout << "所有图书已删除" << endl;
Sleep(1000);
system("cls");
break;
}
}
system("cls");
}
void BDatabase::disp()
{
Book temp;
for (int i = 0; i <= top && (book.gettag() == 0); i++)
for (int j = i + 1; j <= top && (book.gettag() == 0); j++)
if (strcmp(book.gettime(), book.gettime()) < 0)
{
temp = book;
book = book;
book = temp;
}
for (int x = 0; x <= top && (book.gettag() == 0); x++) {
book.disp();
}
}
BDatabase::~BDatabase()//析构函数，将book[]写入book .txt文件中
{
fstream file("d:\\book.txt", ios::out);
for (int i = 0; i <= top; i++) {
if (book.gettag() == 0) {
file.write((char*)& book, sizeof(book));
}
}
file.close();
}
class Rdatebase //读者库类
{
int top;
Reader read;//读者记录
public:
Rdatebase();
void disp();
void clear();
void addreader(int n, char* na, char* mi);
Reader* query(int readerid);
~Rdatebase();
void readerdata();
};
Rdatebase::Rdatebase()//构造函数，将reader.txt读到read[]中
{
Reader s;
top = -1;
fstream file("d:\\reader.txt", ios::in);
for (;;) {
file.read((char*)& s, sizeof(s));
if (!file) {
break;
}
top++;
read = s;
}
file.close();
}
void Rdatebase::disp() {
for (int i = 0; i <= top; i++) {
if (read.gettag() == 0) {
read.disp();
}
}
}
void Rdatebase::clear()
{
top = -1;
}
void Rdatebase::addreader(int n, char* na, char* mi)
{
top++;
read.addreader(n, na, mi);
}
Reader* Rdatebase::query(int readerid)
{
for (int i = 0; i <= top; i++) {
if (read.getnum() == readerid && read.gettag() == 0) {
return &read;
}
}
return NULL;
}
Rdatebase::~Rdatebase()//析构函数，将read[]写入read.txt文件中
{
fstream file("d:\\reader.txt", ios::out);
for (int i = 0; i <= top; i++) {
if (read.gettag() == 0) {
file.write((char*)& read, sizeof(read));
}
}
file.close();
}
void Rdatebase::readerdata()//读者库维护
{
int choice;
char rname;
int readerid;
char rmima;
Reader* r;
while (choice)
{
cout << "--------------------------------------" << endl;
cout << "-- 读者维护 --" << endl;
cout << "-- 1、新增 --" << endl;
cout << "-- 2、更改 --" << endl;
cout << "-- 3、删除 --" << endl;
cout << "-- 4、查找 --" << endl;
cout << "-- 5、显示 --" << endl;
cout << "-- 6、全删 --" << endl;
cout << "-- 0.退出 --" << endl;
cout << "--------------------------------------" << endl;
cout << "请选择" << endl;
cin >> choice;
int a = 0;
int i = 0;
switch (choice)
{
case 0:
system("cls");
break;
case 1:
cout << "读者编号：";
cin >> readerid;
do
{
if (a != 0)
{
cout << "已存在，请重新输入：";
cin >> readerid;
}
a++;
} while (query(readerid) != NULL);
cout << "输入读者密码：";
for (i; i < 6; i++)
{
rmima = getch();
putch('-');
}
cout << endl << "输入读者姓名：";
cin >> rname;
cout << "添加成功" << endl;
addreader(readerid, rname, rmima);
Sleep(1000);
system("cls");
break;
case 2:
cout << "读者编号：";
cin >> readerid;
r = query(readerid);
if (r == NULL)
{
cout << "该读者不存在" << endl;
Sleep(1000);
system("cls");
break;
}
cout << "输入新的读者姓名：";
cin >> rname;
cout << "读者更改成功" << endl;
Sleep(1000);
system("cls");
r->setname(rname);
break;
case 3:
cout << "读者编号：";
cin >> readerid;
r = query(readerid);
if (r == NULL)
{
cout << "该读者不存在" << endl;
Sleep(1000);
system("cls");
break;
}
cout << "读者删除成功" << endl;
Sleep(1000);
system("cls");
r->delreader();
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;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout << "您所查找的读者信息如下" << endl;
r->disp();
break;
case 5:
system("cls");
cout << "所有读者信息如下" << endl;
disp();
break;
case 6:
clear();
cout << "所有读者已删除" << endl;
Sleep(1000);
system("cls");
break;
}
}
} 永恒的蓝色梦想 发表于 2020-6-28 07:40
请解释一下这种代码是要干什么？
改完后的代码：
厉害，可以运行了 jhanker 发表于 2020-6-29 08:58
厉害，可以运行了
不会吧……strcmp 那里我都没改…… 永恒的蓝色梦想 发表于 2020-6-29 09:01
不会吧……strcmp 那里我都没改……
我把你的strcmp里的 "." 改成 “，” 就通过了 白砂糖 发表于 2020-6-27 23:14
159 7 C:%users\DELL\Documents\代码C\实验报告.cpp stray '\243' in progra ...
下面代码编译通过了，加了main函数#include<iostream>
#include<iomanip>
#include<windows.h>
#include<conio.h>
#include<string>
#include<fstream>
using namespace std;
const int Maxbor = 10;//每位读者最多借10本书
class Reader { //读者类
int tag;
int num;
char mima;
char name;
int borbook;
public:
int getnum();
int gettag();
char* getname();
char* getmima();
void setname(char na[]);
void delreader();
void addreader(int n, char* na, char* mi);
void borrowbook(int bookid);
int retbook(int bookid);
void disp();
};
char* Reader::getname() { return name; }
int Reader::gettag() { return tag; }//获取删除符号
int Reader::getnum() { return num; }//获取读者编号
char* Reader::getmima() { return mima; }//获取读者的密码
void Reader::setname(char na[])//设置姓名
{
strcpy(name, na);
}
void Reader::delreader() { tag = 1; }//删除读者
void Reader::addreader(int n, char* na, char* mi)//增加读者
{
tag = 0;
num = n;
strcpy(name, na);
strcpy(mima, mi);
for (int i = 0; i < Maxbor; i++) {
borbook = 0;
}
}
void Reader::borrowbook(int bookid)//借书操作
{
for (int i = 0; i < Maxbor; i++)
{
if (borbook == bookid)
{
borbook = 0;
return;
}
}
}
int Reader::retbook(int bookid)//还书操作
{
for (int i = 0; i < Maxbor; i++)
{
if (borbook == bookid)
{
borbook = 0;
return 1;
}
}
return 0;
}
void Reader::disp() {
cout << endl;
cout << setw(12) << num << "借书编号：[";
for (int i = 0; i < Maxbor; i++)
if (borbook != 0)
cout << borbook << ';';
cout << ']' << endl;
}
class Book//图书类
{
int tag;
int num;
char name;
char writer;
char concern;
char Time;
float price;
int onshelf;
public:
char* getname();
int getnum();
int getonshelf();
char* getwriter();
char* gettime();
char* getconcern();
float getprice();
int gettag();
void getTime(char time[]);
void setname(char na[]);
void delbook();
int borrowbook();//借书操作
void retbook();//还书操作
void disp();//输出图书
void addbook(int n, char* na, char* wri, char* con, char* tm, float pr);
};
char* Book::getname() { return name; }//获取姓名
int Book::getonshelf() { return onshelf; }
int Book::getnum() { return num; }//获取图书编号
char* Book::getwriter() { return writer; } //获取书籍作者
char* Book::getconcern() { return concern; }//获取书籍出版社
char* Book::gettime() { return Time; }
float Book::getprice() { return price; }//获取书籍价格
int Book::gettag() { return tag; } //获取删除标记
void Book::setname(char na[]) //设置书名
{
strcpy(name, na);
}
void Book::getTime(char time[])
{
strcpy(Time, time);
}
void Book::delbook() { tag = 1; }//删除图书
void Book::addbook(int n, char* na, char* wri, char* con, char* tm, float pr)//增加图书
{
tag = 0;
num = n;
strcpy(name, na);
strcpy(writer, wri);
strcpy(concern, con);
strcpy(Time, tm);
price = pr;
onshelf = 1;
}
int Book::borrowbook()//借书操作
{
if (onshelf == 1)
{
onshelf = 0;
return 1;
}
return 0;
}
void Book::retbook()//还书操作
{
onshelf = 1;
}
void Book::disp()//输出图书
{
cout << setw(6) << num << setw(12) << name << setw(15) << concern << setw(10) << writer << setw(12) << Time << setw(6) << (onshelf == 1 ? "在架" : "已借") << endl;
}
class BDatabase//图书库类
{
int top;
Book book;
public:
BDatabase();
void clear();
int addbook(int n, char* na, char* wri, char* con, char* tm, float pr);
Book* query(int bookid);
int qname(char* nm);
Book* Qname(char* nm);
int qzuozhe(char* wr);
Book* Qzuozhe(char* wr);
int qchuban(char* cb);
Book* Qchuban(char* cb);
void bookdata();
~BDatabase();
void disp();
};
BDatabase::BDatabase()//构造函数将book.txt读到book[]中
{
Book b;
top = 1;
fstream file("d:\\book.txt", ios::in);
for (;;) {
file.read((char*)& b, sizeof(b));
if (!file) {
break;
}
top++;
book = b;
}
file.close();
}
void BDatabase::clear()//全删
{
top = -1;
}
int BDatabase::addbook(int n, char* na, char* wri, char* con, char* tm, float pr)//增加图书
{
Book* p = query(n);
if (p == NULL)
{
top++;
book.addbook(n, na, wri, con, tm, pr);
return 1;
}
return 0;
}
Book* BDatabase::query(int bookid)//查找图书
{
for (int i = 0; i <= top; i++) {
if (book.getnum() == bookid && book.gettag() == 0) {
return &book;
}
}
return NULL;
}
int BDatabase::qname(char* nm)
{
int j = 0;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getname(),nm) == 0) && book.gettag() == 0) {
j++;
}
}
return j;
}
Book* BDatabase::Qname(char* nm)
{
int j = 0;
Book* b = new Book;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getname(),nm) == 0) && book.gettag() == 0) {
b = book;
}
}
if (j) {
return b;
}
else {
delete[]b;
return 0;
}
}
int BDatabase::qzuozhe(char* wr)
{
int e = 0;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getwriter(),wr) == 0) && book.gettag() == 0) {
e++;
}
}
return e;
}
Book* BDatabase::Qzuozhe(char* wr)
{
int f = 0;
Book b;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getwriter(),wr) == 0) && book.gettag() == 0) {
b = book;
}
}
if (f == 0)
return NULL;
else
return b;
}
int BDatabase::qchuban(char* cb)
{
int g = 0;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getconcern(),cb) == 0) && book.gettag() == 0) {
g++;
}
}
return g;
}
Book* BDatabase::Qchuban(char* cb)
{
int h = 0;
Book* b = new Book;
for (int i = 0; i <= top; i++) {
if ((strcmp(book.getconcern(),cb) == 0) && book.gettag() == 0) {
b = book;
}
}
if (h) {
return b;
}
else {
delete[]b;
return 0;
}
}
void BDatabase::bookdata()//图书库维护
{
int choice = 1;
char bname;
int bookid;
char bwriter;
char bconcern;
char btime;
float bprice;
Book* b;
int r = 0;
while (choice)
{
cout << endl << endl << endl << endl;
cout << " --------------------------------- " << endl;
cout << " -- 图书维护 --" << endl;
cout << " -- 1.新增 --" << endl;
cout << " -- 2.删除 --" << endl;
cout << " -- 3.查找 --" << endl;
cout << " -- 4.显示 --" << endl;
cout << " -- 5.全删 --" << endl;
cout << " -- 0.退出 --" << endl;
cout << " ----------------------------------" << endl;
cout << "请选择您将进行的操作：";
cin >> choice;
switch (choice) {
case 1:
cout << "图书编号：";
cin >> bookid;
do
{
if (r != 0)
{
cout << "该编号错误，请重新输入：";
cin >> bookid;
}
r++;
if (r == 3)
break;
} while (query(bookid) != NULL);
if (r == 3)
{
system("cls");
break;
}
cout << "图书书名：";
cin >> bname;
cout << "图书作者：";
cin >> bwriter;
cout << "图书出版社：";
cin >> bconcern;
cout << "图书出版时间：";
cin >> btime;
cout << "图书价格";
cin >> bprice;
cout << "图书添加成功" << endl;
Sleep(1000);
system("cls");
addbook(bookid, bname, bwriter, bconcern, btime, bprice);
break;
case 2:
cout << "图书编号：";
cin >> bookid;
b = query(bookid);
if (b == NULL)
{
cout << "该图书不在" << endl;
Sleep(1000);
system("cls");
break;
}
cout << "已删除" << endl;
Sleep(1000);
system("cls");
b->delbook();
break;
case 3:
cout << "图书编号：";
cin >> bookid;
b = query(bookid);
if (b == NULL)
{
cout << "该图书不在" << endl;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout << "所查信息如下：" << endl;
b->disp();
break;
case 4:
system("cls");
cout << "所有图书信息如下：" << endl;
b->disp();
break;
case 5:
clear();
cout << "所有图书已删除" << endl;
Sleep(1000);
system("cls");
break;
}
}
system("cls");
}
void BDatabase::disp()
{
Book temp;
for (int i = 0; i <= top && (book.gettag() == 0); i++)
for (int j = i + 1; j <= top && (book.gettag() == 0); j++)
if (strcmp(book.gettime(), book.gettime()) < 0)
{
temp = book;
book = book;
book = temp;
}
for (int x = 0; x <= top && (book.gettag() == 0); x++) {
book.disp();
}
}
BDatabase::~BDatabase()//析构函数，将book[]写入book .txt文件中
{
fstream file("d:\\book.txt", ios::out);
for (int i = 0; i <= top; i++) {
if (book.gettag() == 0) {
file.write((char*)& book, sizeof(book));
}
}
file.close();
}
class Rdatebase //读者库类
{
int top;
Reader read;//读者记录
public:
Rdatebase();
void disp();
void clear();
void addreader(int n, char* na, char* mi);
Reader* query(int readerid);
~Rdatebase();
void readerdata();
};
Rdatebase::Rdatebase()//构造函数，将reader.txt读到read[]中
{
Reader s;
top = -1;
fstream file("d:\\reader.txt", ios::in);
for (;;) {
file.read((char*)& s, sizeof(s));
if (!file) {
break;
}
top++;
read = s;
}
file.close();
}
void Rdatebase::disp() {
for (int i = 0; i <= top; i++) {
if (read.gettag() == 0) {
read.disp();
}
}
}
void Rdatebase::clear()
{
top = -1;
}
void Rdatebase::addreader(int n, char* na, char* mi)
{
top++;
read.addreader(n, na, mi);
}
Reader* Rdatebase::query(int readerid)
{
for (int i = 0; i <= top; i++) {
if (read.getnum() == readerid && read.gettag() == 0) {
return &read;
}
}
return NULL;
}
Rdatebase::~Rdatebase()//析构函数，将read[]写入read.txt文件中
{
fstream file("d:\\reader.txt", ios::out);
for (int i = 0; i <= top; i++) {
if (read.gettag() == 0) {
file.write((char*)& read, sizeof(read));
}
}
file.close();
}
void Rdatebase::readerdata()//读者库维护
{
int choice;
char rname;
int readerid;
char rmima;
Reader* r;
while (choice)
{
cout << "--------------------------------------" << endl;
cout << "-- 读者维护 --" << endl;
cout << "-- 1、新增 --" << endl;
cout << "-- 2、更改 --" << endl;
cout << "-- 3、删除 --" << endl;
cout << "-- 4、查找 --" << endl;
cout << "-- 5、显示 --" << endl;
cout << "-- 6、全删 --" << endl;
cout << "-- 0.退出 --" << endl;
cout << "--------------------------------------" << endl;
cout << "请选择" << endl;
cin >> choice;
int a = 0;
int i = 0;
switch (choice)
{
case 0:
system("cls");
break;
case 1:
cout << "读者编号：";
cin >> readerid;
do
{
if (a != 0)
{
cout << "已存在，请重新输入：";
cin >> readerid;
}
a++;
} while (query(readerid) != NULL);
cout << "输入读者密码：";
for (i; i < 6; i++)
{
rmima = getch();
putch('-');
}
cout << endl << "输入读者姓名：";
cin >> rname;
cout << "添加成功" << endl;
addreader(readerid, rname, rmima);
Sleep(1000);
system("cls");
break;
case 2:
cout << "读者编号：";
cin >> readerid;
r = query(readerid);
if (r == NULL)
{
cout << "该读者不存在" << endl;
Sleep(1000);
system("cls");
break;
}
cout << "输入新的读者姓名：";
cin >> rname;
cout << "读者更改成功" << endl;
Sleep(1000);
system("cls");
r->setname(rname);
break;
case 3:
cout << "读者编号：";
cin >> readerid;
r = query(readerid);
if (r == NULL)
{
cout << "该读者不存在" << endl;
Sleep(1000);
system("cls");
break;
}
cout << "读者删除成功" << endl;
Sleep(1000);
system("cls");
r->delreader();
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;
Sleep(1000);
system("cls");
break;
}
system("cls");
cout << "您所查找的读者信息如下" << endl;
r->disp();
break;
case 5:
system("cls");
cout << "所有读者信息如下" << endl;
disp();
break;
case 6:
clear();
cout << "所有读者已删除" << endl;
Sleep(1000);
system("cls");
break;
}
}
}
int main()
{
return 0;
} 白砂糖 发表于 2020-6-27 23:14
159 7 C:%users\DELL\Documents\代码C\实验报告.cpp stray '\243' in progra ...
就只有类定义，没有主函数，没法正确运行啊 jhanker 发表于 2020-6-29 09:43
下面代码编译通过了，加了main函数
为什么不能在64位操作系统上运行啊
libentaoi 发表于 2020-7-1 10:45
为什么不能在64位操作系统上运行啊
我试了可以啊，我的系统就是window7 64位
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