#program once #include<iostream> #include<string> using namespace std; class TextCoder{ private: string text; void encoder(); void decoder(); public: TextCoder(string &str); string get_ciphertext(); string get_deciphertext(); }; TextCoder::TextCoder(string &str){ text=str; } string TextCoder::get_ciphertext() { encoder(); return text; } string TextCoder::get_deciphertext() { decoder(); return text; } void TextCoder::encoder(){ for(auto &i : text){ if (i >= 'a' && i <= 'z') i = 'a' + ((i -'a')+7) % 26; else if (i >= 'A' && i <= 'Z') i = 'A' + ((i -'A')+7) % 26; } } void TextCoder::decoder() { for (auto &i : text) { if (i >= 'a' && i <= 'z') i = 'a' + ((i -'a') + 26-7) % 26; else if (i >= 'A' && i <= 'Z') i = 'A' + ((i -'A') + 26-7) % 26; } }
#include "textcoder.hpp" #include <iostream> #include <string> void test() { using namespace std; string text, encoded_text, decoded_text; cout << "输入英文文本: "; while (getline(cin, text)) { encoded_text = TextCoder(text).get_ciphertext(); cout << "加密后英文文本:\t" << encoded_text << endl; decoded_text = TextCoder(encoded_text).get_deciphertext(); cout << "解密后英文文本:\t" << decoded_text << endl; cout << "\n输入英文文本: "; } } int main() { test(); }
pragma once #include <iostream> #include <string> #include<iomanip> #include <vector> using namespace std; class Info { private: string nickname; string contact; string city; int n; public: Info(const string &nickname, const string &contact, const string &city, int n); void print() const; }; Info::Info(const string &nick, const string &con, const string &ci, int nn): nickname{nick}, contact{con}, city{ci}, n{nn} {} void Info::print() const { cout << left << setw(15) << "昵称: " << nickname << endl; cout << left << setw(15) << "联系方式: " << contact << endl; cout << left << setw(15) << "所在城市: " << city << endl; cout << left << setw(15) << "指定人数: " << n << endl; }
#include "info.hpp" #include <iostream> #include <string> #include <vector> using namespace std; const int capacity = 100; int main (){ vector<Info> audience_info_list; string nick,con,ci; int nn; static int x =0; cout << "录入信息:\n\n"; cout << "昵称 联系方式(邮箱/手机号) 所在城市 预定参加人数" << endl; while (cin >> nick) { cin >> con >> ci >> nn; if (x + nn <= capacity) { Info tmp(nick, con, ci, nn); audience_info_list.push_back(tmp); x += nn; if (x == capacity) break; } else { char option; cout << "对不起,只剩" << capacity - x << "个位置." << endl << "1. 输入u,更新(update)预定信息" << endl << "2. 输入q,退出预定" << endl << "你的选择:" << endl; cin >> option; if (option == 'u') { cout << "请重新输入:" << endl; } if (option == 'q') { cout << endl; break; } } } cout << "\n截至目前,一共有" << x << "位听众预定参加。预定听众信息如下:" << endl; for (const auto& list : audience_info_list) list.print(); return 0; }
标签:const,string,int,text,实验,include,TextCoder From: https://www.cnblogs.com/tantivy/p/17868837.html