实验二

#include"music.hpp"
#include<iostream>
#include<vector>
#include<string>
int main()
{
    using namespace std;
    const int capacity = 100;
    int n=0;
    int num;
    vector<info>audience_info_list;
    string cnick, ccon,cct;
    string choice;
    cout << "录入信息：" << endl;
    cout << "称呼/昵称，联系方式（邮箱/手机号码），所在城市，预定参加人数" << endl;
    while(cin>>cnick)
    {
        cin >> ccon >> cct >> num;
        if ( n+num <= capacity )
        {
            info member(cnick, ccon, cct, num);
            audience_info_list.push_back(member);
            n = n + num;
        }
        else
        {
            cout << "对不起，只剩" << (capacity - n) << "个座位" << endl;
            cout << "输入u以更新预定信息" << endl;
            cout << "输入q以退出预订" << endl;
            cout << "你的选择：";
            cin >> choice;
            if (choice == "q")
                break;
            if (choice == "u")
            {
                cout << "正在更新信息" << endl;
                continue;
            }
        }
             
    } 
    cout << "截至目前，共有" << n<< "位听众已预定。预定信息如下：" << endl;
    for (int i=0;i<audience_info_list.size();i++)
    {
        audience_info_list[i].print();
    }
}

#ifndef __info_HPP__
#define __info_HPP__
#include<iostream>
#include<string>
#include<iomanip>
using namespace std;
class info
{
public:
    info(string nick, string con, string ct, int p);
    ~info() = default;
    void print();
private:
    string nickname;
    string contact;
    string city;
    int n;
};
info::info(string nick, string con, string ct, int p)
{
    nickname = nick;
    contact = con;
    city = ct;
    n = p;
}
void info::print()
{
    cout << setw(10) << "称呼：" << nickname << endl;
    cout << setw(10) << "联系方式：" << contact << endl;
    cout << setw(10) << "所在城市：" << city << endl;
    cout << setw(10) << "预定人数：" << n << endl;
}
#endif // !__info_HPP__

 

 

 

 

#include "textcoder.hpp"
#include <iostream>
#include <string>
int main()
{
    using namespace std;
    string text, encoded_text, decoded_text;
    cout << "输入英文文本: ";
    while (getline(cin, text))
    {
        encoded_text = TextCoder(text).encoder(); // 这里使用的是临时无名对象
        cout << "加密后英文文本:\t" << encoded_text << endl;
        decoded_text = TextCoder(encoded_text).decoder(); // 这里使用的是临时无
        cout << "解密后英文文本:\t" << decoded_text << endl;
        cout << "\n输入英文文本: ";
    }
}

#ifndef __textcoder_HPP__
#define __textcoder_HPP__
#include<iostream>
#include<string>
using namespace std;
class TextCoder
{
public:
    TextCoder() {};
    TextCoder(string a);
    ~TextCoder() = default;
    string encoder();
    string decoder();
private:
    string text;
};
TextCoder::TextCoder(string a):text(a){}
string TextCoder::encoder()
{
    int i,m;
    m=text.size();
    for (i = 0; i < m; i++)
    {
        text[i] = text[i] + 5;
    }
    return text;
}
string TextCoder::decoder()
{
    int i, m;
    m = text.size();
    for (i = 0; i < m; i++)
    {
        text[i] = text[i] - 5;
    }
    return text;
}
#endif // !__textcoder_HPP__