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1、精品范文模板 可修改删除撰写人：_日 期：_#include #include #include #include using namespace std;const int Reader=100;const int Maxb=100;const int Bor=5;class Studentprivate: int tag; int number; char name10; int borbookBor;public: Student() char *getname() return name;int gettag() return tag;int getnumber() return nu
2、mber;void setname(char *na) strcpy(name,na);void delbook() tag=1;void addStudent(int n,char *na) tag=0; number=n; strcpy(name,na); for(int i=0;iBor;i+) borbooki=0;void borrowbook(int bookid)/借书操作for(int i=0;iBor;i+) if (borbooki=0) borbooki=bookid; return; int retbook(int bookid)/还书操作 for(int i=0;iB
3、or;i+) if(borbooki=bookid) borbooki=0; return 1;return 0;void output()/读出读者信息 cout setw(5) number setw(10) name借书编号：; for(int i=0;iBor;i+) if(borbooki!=0) cout borbooki |; cout endl; class RDataprivate: int top; /读者记录指针 Student readReader;public: RData() /构造函数，将Student.txt读到read中 Student s; top=-1;
4、fstream file(Student.txt,ios:in);/打开一个输入文件while (1) file.read(char *)&s,sizeof(s); if (!file)break; top+; readtop=s; file.close();void clear() top=-1;int addStudent(int n,char *na)/查找是否存在 Student *p=equal(n);if (p=NULL) top+; readtop.addStudent(n,na); return 1;return 0;Student *equal(int Studentid)/
5、按编号查找for (int i=0;i=top;i+) if (readi.getnumber()=Studentid & readi.gettag()=0) return &readi;return NULL;void output() for (int i=0;i=top;i+) readi.output();void Studentdata();/读者库维护 RData() /析构函数，将read写到Student.txt文件中 fstream file(Student.txt,ios:out); for (int i=0;i=top;i+) if (readi.gettag()=0)
6、file.write(char *)&readi,sizeof(readi); file.close();void RData:Studentdata()char choice;char rname20;int Studentid;Student *r; while (choice!=0) cout n; cout 读 者 维 护 n; cout n; cout 1.新 增 n; cout n; cout 2.更 改 n; cout n; cout 3.删 除 n; cout n; cout 4.查 找 n; cout n; cout 5.显 示 n; cout n; cout 6.全 删 n
7、; cout n; cout 0.退出 n; cout n; /cout choice; switch (choice) case 1: cout Studentid; cout rname; addStudent (Studentid,rname); break; case 2: cout Studentid; r=equal(Studentid); if (r=NULL) cout 该读者不存在 endl; break; cout rname; r-setname(rname); break; case 3: cout Studentid; r=equal(Studentid); if (
8、r=NULL) cout 该读者不存在 delbook(); break; case 4: cout Studentid; r=equal(Studentid); if (r=NULL) cout 该读者不存在output(); break; case 5: output(); break; case 6: clear(); break; default:cout退出：n;system(cls);break; class Bookprivate: int tag; int number; char name20; int onshelf;public: Book() char *getname() return name; int getnumber() return number; int gettag() return tag; void setname(char na) strcpy(name,na); void delbook() tag=1; void addbook(int n,char *na) tag=0; number=n; strcpy(name,na); onshelf=1; int borrowbook()/借书操作
