实验三
Task5
info.hpp
1 #pragma once 2 #include<iostream> 3 #include<string> 4 5 using namespace std; 6 7 class Info { 8 public: 9 Info(string nn, string cont, string ct,int x); 10 void print(); 11 12 private: 13 string nickname; 14 string contact; 15 string city; 16 int n; 17 }; 18 19 Info::Info(string nn, string cont, string ct, int x) :nickname{ nn }, contact{ cont }, city{ ct }, n{ x } {} 20 void Info::print() { 21 cout << setw(16) << "昵称：" << nickname << endl 22 << setw(16) << "联系方式：" << contact << endl 23 << setw(16) << "所在城市：" << city << endl 24 << setw(16) << "预定人数：" << n << endl<<endl; 25 }
task5.cpp
1 #include<iostream> 2 #include<string> 3 #include<vector> 4 #include<algorithm> 5 #include<iomanip> 6 #include<limits> 7 #include"info.hpp" 8 #define MAX 100; 9 10 using namespace std; 11 12 int main() { 13 const int capacity = MAX; 14 vector<Info> audience_info_list; 15 string nn,cont,ct; //具体信息 16 int num=0,sum=0; 17 18 //录入信息 19 cout << "录入信息：\n\n"; 20 cout << left 21 << setw(16) << "昵称" 22 << setw(30) << "联系方式(邮箱/手机号)" 23 << setw(16) << "所在城市" 24 << setw(12) << "预定参加人数" 25 << endl; 26 while (cin>>nn>>cont>>ct>>num) { //每输入一组信息，就尝试放到Info类数组中 27 sum += num; 28 if (sum > capacity) { 29 cout << "对不起，只剩" << capacity-sum + num << "个位置.\n"; 30 sum -= num; 31 cout << "1.输入u，更新(update)预定信息\n2.输入q，退出预定\n你的选择："; 32 char choice; 33 cin >> choice; 34 if (choice == 'u') { 35 cout << "请输入更新预定信息：\n"; 36 continue; 37 } 38 else if (choice == 'q') 39 break; 40 } 41 else 42 audience_info_list.push_back( Info (nn, cont, ct, num)); 43 } 44 //打印信息 45 cout <<endl<< "截至目前，一共有" << sum << "位听众参加。预定听众信息如下：\n"; 46 for (auto& item : audience_info_list) 47 item.print(); 48 }
结果：
Task6
textcoder.hpp
1 #pragma once 2 #include<iostream> 3 #include<string> 4 5 using namespace std; 6 7 class TextCoder { 8 public: 9 TextCoder(string t); 10 string get_ciphertext(); 11 string get_deciphertext(); 12 13 private: 14 string text; 15 void encoder(); 16 void decoder(); 17 }; 18 19 TextCoder::TextCoder(string t) :text{ t } {} 20 string TextCoder::get_ciphertext() { 21 encoder(); 22 return text; 23 } 24 string TextCoder::get_deciphertext() { 25 decoder(); 26 return text; 27 } 28 string text; 29 void TextCoder::encoder() { 30 for (int i = 0; i < text.size(); ++i) { 31 if ((text.at(i) >= 'a' && text.at(i) <= 'u') || (text.at(i) >= 'A' && text.at(i)<='U')) 32 text.at(i) += 5; 33 else if ((text.at(i) >= 'v' && text.at(i) <= 'z') || (text.at(i) >= 'V' && text.at(i) <= 'Z')) 34 text.at(i) -= 21; 35 } 36 } 37 void TextCoder::decoder(){ 38 for (int i = 0; i < text.size(); ++i) { 39 if ((text.at(i) >= 'f' && text.at(i) <= 'z') || (text.at(i) >= 'F' && text.at(i) <= 'Z')) 40 text.at(i) -= 5; 41 else if ((text.at(i) >= 'a' && text.at(i) <= 'e') || (text.at(i) >= 'A' && text.at(i) <= 'E')) 42 text.at(i) += 21; 43 } 44 }
task6.cpp
1 #include "textcoder.hpp" 2 #include <iostream> 3 #include <string> 4 5 void test() { 6 using namespace std; 7 8 string text, encoded_text, decoded_text; 9 10 cout << "输入英文文本："; 11 while (getline(cin, text)) { 12 encoded_text = TextCoder(text).get_ciphertext(); // 使用临时无名对象 13 cout << "加密后英文文本：" << encoded_text << endl; 14 15 decoded_text = TextCoder(encoded_text).get_deciphertext(); // 使用临时无名对象 16 cout << "解密后英文文本：" << decoded_text << endl; 17 cout << "输入英文文本："; 18 } 19 } 20 21 int main() { 22 test(); 23 }
结果：
