实验二

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头文件.hpp

#ifndef INFO_HPP
#define INFO_HPP

#include<iostream>
#include<string>

using namespace std;
class Order {
private:
    string nickname, contact, city;
    int number;
public:
    Order(string nickname0 = "Daisy", string contact0 = "13855279601", string city0 = "Wuxi", int n = 1) :nickname{ nickname0 }, contact{ contact0 }, city{ city0 }, number{ n }
    {
        nickname = nickname0;
        contact = contact0;
        city = city0;
        number = n;
    }
    void print()const;
};

void Order::print()const
{
    cout << "姓名：" << nickname << "\t";
    cout << "联系方式：" << contact << "\t";
    cout << "城市：" << city << "\t";
    cout << "人数：" << number << "\t";
    cout << endl;
}
#endif

主函数

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

using namespace std;
int main()
{
    cout << "录入信息：" << endl;
    cout << "姓名  " << "  联系方式  " << "  城市  " << "  人数" << endl;

    vector<Order> audience_info_list;
    const int capacity = 100;//最大容量，const不可改变
    string name, c, l;
    int number, n = 0;
    while (cin >> name >> c >> l >> number)//实现重复录入
    {
        Order order(name, c, l, number);
        if (n + number < capacity)
        {
            
            audience_info_list.push_back(order);
            n += number;
        }
        else
        {
            char a;
            cout << "There is no enough seats！" << endl;
            cout << "the number of vacant seats：" << capacity - n << endl;
            cout << "Input u, update order" << endl;
            cout << "Input q,end order" << endl;
            cout << "your choice is:";
            cin >> a;
            if (a == 'u')
                cout << "请继续输入：" << endl;
                continue；
            else if (a == 'q')
                break;
            else
            {
                cout << "ERROR!!!" << endl;
            }
        }

    }
    cout << "截至目前，一共有" << n << "位观众" << "具体信息如下：" << endl;
    for (auto i : audience_info_list)
    {
        i.print();//
        cout << endl;
    }
}

运行结果

 

 

 

文本加密解密

^头文件

#ifndef textcoder_hpp
#define textcoder_hpp

#include<iostream>
#include<string>
#include<vector>

using namespace std;
class TextCoder {
private:
    string text;
public:
    TextCoder(string text1) :text(text1) { }
    string encoder();
    string decoder();
};
string TextCoder::encoder()
{
    string s;
    vector<string>::iterator i;
    for (auto i = text.begin(); i != text.end(); ++i)
    {
        if ((*i >= 'a' && *i <= 'u') || (*i >= 'A' && *i <= 'U'))
        {

            *i = *i + 5;

        }
        else if ((*i >= 'v' && *i <= 'z') || (*i >= 'V' && *i <= 'Z'))
        {
            *i = *i - 21;
        }
        else
            *i = *i;
    }
    return text;

}
string TextCoder::decoder()
{
    string s;
    vector<string>::iterator i;
    for (auto i=text.begin();i!=text.end();++i)
    {
        if ((*i>= 'f' && *i <= 'z') || (*i >= 'F' && *i <= 'Z'))
        {

            *i = *i - 5;

        }
        else if((*i >= 'a' && *i <= 'e') || (*i >= 'A' && *i <= 'E'))
        {
            *i = *i + 21;
        }
        else
            *i = *i;
    }
    return text;
}

#endif

 

主函数

#include "head.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名对象
        cout << "解密后英文文本:\t" << decoded_text << endl;
        cout << "\n输入英文文本: ";
    }
}

 

 

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