Student stu; char name2[20]; int num2; public: Class(){ for(int i=0;i<20;i++) name2[i]=0; num2=0; } int getNU(){return stu.getNU1();} string getNA(){return stu.getNA1();} void set4(){ cout<<"请输入该生所在班级名称:"; cin>>name2; cout<<"请输入该班班号:"; cin>>num2; stu.set3(); } void show4(){ cout<<"班级:"<<name2<<"\t 班号:\t"<<num2; stu.show3(); } friend void Search1(Class c1[],int count1); friend void Search2(Class c2[],int count2); friend void Update1(Class c3[],int count_d); friend void Delete(Class c4[],int *count_c); friend void Insert(Class c5[],int &count_a); }b[100];
void Save(Class c6[],int count) {
//记录存入文件函数
fstream file("class.dat",ios::out|ios::binary); if(!file) { cout<<"file coun't open."<<endl; abort(); } for(int i=0;i<count;i++) file.write(reinterpret_cast<char*>(&c6[i]),sizeof(c6[i])); file.close(); }