outfile<<addname<<" "; cout<<"请输入性别:"<<endl; cin>>addsex; outfile<<addsex<<" "; cout<<"请输入政治面貌:"<<endl; cin>>addpolitic; outfile<<addpolitic<<" "; cout<<"请输入家庭住址:"<<endl; cin>>addaddress; outfile<<addaddress<<endl; outfile.close(); cout<<"已添加成功!"<<endl; }
void student::del() {
int k,i;
int num[M];
string name[M],sex[M],politic[M],address[M]; ifstream infile("f1.txt",ios::in); if(!infile) { cerr<<" open error"<<endl; exit(1); }
for(i=0;i<N;i++) { cout<<" "; infile>>num[i]; cout<<setw(9)<<num[i]; infile>>name[i]; cout<<setw(9)<<name[i]; infile>>sex[i]; cout<<setw(9)<<sex[i]; infile>>politic[i]; cout<<setw(9)<<politic[i]; infile>>address[i]; cout<<setw(9)<<address[i]<<endl; }
cout<<"你想删除第几个?"<<endl; cin>>k; k=k-1;