void Show(Class c7[]) { int i=0; for(i=0;c7[i].getNU()!=0;i++) c7[i].show4(); }
//显示记录函数
void Insert(Class c5[],int &count_a) //信息录入函数 { int i,in_number,n=0; if(count_a==M) { cout<<"空间已满!"; return; } cout<<"请输入学生的学号："<<endl; do { do { cin>>in_number; for(i=0;i<count_a;i++) { if(c5[i].getNU()==in_number) cout<<"已有相同的学号,请重新输入!"<<endl; break; } }while(c5[i].getNU()==in_number); if(in_number<1) cout<<"输入错误，请重新输入大于零的整数!"<<endl; }while(in_number<=0); i=count_a; c5[i].set4(); count_a++; cout<<endl<<endl;n=n+1; if(n!=0) cout<<"学生成绩录入成功!"<<endl; }