#include<iostream>
#include<vector>
#include<windows.h>
using namespace std;
int a=999;
struct student{
string name;
int age;
int card;
int grade;
}s;
void ka(){
cout<<"学生管理系统:"<<endl;
cout<<"1.新建学生信息"<<endl;
cout<<"2.查找学生信息"<<endl;
cout<<"3.修改学生信息"<<endl;
cout<<"4.删除学生信息"<<endl;
cout<<"5.退出系统"<<endl;
}
vector<student> insert(vector<student> v){
cout<<"请输入学生姓名:";
cin>>s.name;
cout<<"请输入学生年龄:";
cin>>s.age;
cout<<"请输入学生年级:";
cin>>s.grade;
cout<<"你的学号是:";
a++;
s.card=a;
cout<<s.card;
v.push_back(s);
Sleep(500);
}
int main(){
vector<student> v;
while(1){
ka();
int n;
cin>>n;
if(n==5){
break;
}
switch(n){
case 1:{
v=insert(v);
break;
}
case 2:{
break;
}
case 3:{
break;
}
case 4:{
break;
}
default:{
break;
}
}
system("cls");
}
return 0;
}