【必威体育精装版+免费】学会成绩管理系统源码 C++.docVIP

【必威体育精装版编排】 ---------------------------------------------------------------------------------------------------------------------- #includeiostream #includestring #includefstream #includealgorithm //#includesystem using namespace std; int m; int renshu=0; FILE *fp; class student { public: student(string a,string n,int s,int y,int c) { shu=s; ying=y; cf=c; name=a; num=n; } student(){} void shuru(); void shuchu(); void paiming(); void findn(); void findm(); void add(); void del(); void change(); private: int shu,cf,ying,total; string name,num; }; void student::shuru() { student stud; ofstream outfile(stud.dat,ios::out|ios::binary); if(!outfile) { cerr?2???‰?‰???°?–????endl; abort(); } coutèˉ·è?“?…￥è|?è|?è?“?…￥????oo??°???; while(cinm,m) { cout ?§“??? ?-|??· C++ ??°?-| è?±èˉ-endl; for(int i=0;im;i++) { cinstud.namestud.numstud.cfstud.shustud.ying; stud.total=stud.cf+stud.shu+stud.ying; renshu++; //outfile.seekg(ios::beg); outfile.write((char *)stud,sizeof(stud)); } cout0.????-￠è?“?…￥???§??-???èˉ·è?“?…￥è|?è|?è?“?…￥????oo??°???; } outfile.close(); } void student::shuchu() { //system(cls); student stud; ifstream infile(stud.dat,ios::in|ios::binary); if(!infile) { cerr?2???‰?‰???°?–????endl; abort(); } //coutèˉ·è?“??oè|?è|?è?“??o????oo??°???; m=renshu; //while(cinm,m) //{ cout ?§“??? ?-|??· C++ ??°?-| è?±èˉ- ?€????endl; for(int i=0;im;i++) { //infile.seekg(0,ios::beg); infile.read((char *)stud,sizeof(stud)); coutstud.name stud.num stud.cf stud.shu stud.ying stud.totalendl; } //cout0.????-￠è?“??o???§??-???èˉ·è?“??oè|?è|?è?“??o????oo??°???; //} infile.close();system(pause); } void student::findn() { int k; string key; student stud; ifstream infile(stud.dat,ios::in|ios::binary); if(!infile) { cerr?2???‰?‰???°?–????endl; abort(); } k=0; coutèˉ·è?“?…￥è|???￥èˉ￠?-|?”??§“??????; cinkey; while(!feof(fp)) { //infile.seekg(ios::beg); infile.read((char *)stud,s