实验二

#ifndef INFO_HPP
#define INFO_HPP

#include<string>
#include<iostream>

using namespace std;
class info{
    public:
        info(string na,string co,string ci,int y):nickname(na),contact(co),city(ci),n(y){}
        void print() const;
            
    private:
        string nickname,contact,city;
        int n;
};
void info::print() const{
    cout<<"称呼:    "<<nickname<<endl;
    cout<<"联系方式:"<<contact<<endl;
    cout<<"所在城市:"<<city<<endl;
    cout<<"预定人数:"<<n<<endl;
}

#endif

#include"info.hpp"
#include<vector>

using namespace std;
const int capacity=100;

int main(){
    string name,con,city;
    int i,sum=0;
    char c;
    vector<info> audience_info_list;
    cout<<"录入信息:"<<endl;
    cout<<endl<<"称呼/昵称,联系方式(邮箱/手机号),所在城市,预订参加人数"<<endl;
    while(cin>>name){
        cin>>con>>city>>i;
        if(i+sum>capacity){
            cout<<"对不起，只剩"<<capacity-sum<<"个位置."<<endl;
            cout<<"1.输入u,更新(update)预定信息"<<endl;
            cout<<"2.输入q,退出预定"<<endl<<"你的选择:"; 
            do{
                cin>>c; 
                if(c!='u'&&c!='q')
                cout<<"请输入q或u :";
            }while(c!='u'&&c!='q');
            if(c=='q') break;
            else{
                 continue; 
            }
        }
        else {
        info k(name,con,city,i);
        audience_info_list.push_back(k);
        sum+=i;
        }
    }
    cout << "截止目前,一共有" << sum << "位听众预定参加。预定信息如下:" <<endl;
    for(auto const &a : audience_info_list)
    {
        a.print();
    } 
    return 0;
}

 

 

 

#ifndef TEXTCODER_HPP
#define TEXTCODER_HPP

#include<string>
#include<iostream>
using namespace std;
class TextCoder{
    public:
        TextCoder(string t):text(t){}
        string encoder();
        string decoder();
    private:
        string text;    
};
string TextCoder::encoder(){
    for(auto &a:text)
    {
        if( ( ( a < 'v') && ( a >= 'a')) || ((a < 'V') && (a >= 'A')))
        {
            a += 5; 
        }
        
        else if( ((a >= 'v') &&  (a <= 'z') ) || ((a >= 'V') && (a <= 'Z')))
        {
            a -= 21;
        }
        
    }
    
    return text;
}
string TextCoder::decoder()
{
    for(auto &a:text)
    {
        if( ( ( a <= 'z') && ( a > 'e')) || ((a <= 'Z') && (a > 'E')))
        {
            a -= 5; 
        }
        
        else if( ((a >= 'a') &&  (a <= 'e') ) || ((a >= 'A') && (a <= 'E')))
        {
            a += 21;
        }
    }
    
    return text;
}
#endif