題目要求：
編寫一個關于通訊錄的程序
1. 可輸入姓名、電話（可多個）、通訊地址、Email等必要的信息；
2. 可根據姓名查詢電話等信息（最好還能根據電話查詢姓名），并顯示在屏幕上；
3. 要求通訊錄保存成文件，如張三.txt，用文件流的方式實現；
4. 最好用面向對象方法編寫。

開發環境：
QT Creator
但是建立的是純C++工程

//person.h 人 類 #ifndef PERSON_H #define PERSON_H #include <vector> #include <string> #include <iostream> #include <map>using namespace std;class Person { public:void setPerson(string name,vector<string> phone,string address,string email);string getName();vector<string> getPhone();string getAddress();string getEmail(); private:string m_name;vector<string> m_phone;string m_address;string m_email; };#endif // PERSON_H //person.cpp #include "person.h"void Person::setPerson(string name,vector<string> phone,string address,string email) {m_name = name;m_phone = phone;m_address = address;m_email = email; } string Person::getName() {return m_name; } vector<string> Person::getPhone() {return m_phone; } string Person::getAddress() {return m_address; } string Person::getEmail() {return m_email; } //direct.h 通信錄類頭文件 #ifndef DIRECT_H #define DIRECT_H#include "person.h"class Direct { public:int menu();//顯示通信錄功能菜單void addperson(Person* person);//添加聯系人void browse();//瀏覽通信錄void findperson();//查找聯系人void deleteperson();//刪除聯系人 };#endif // DIRECT_H //direct.cpp #include "direct.h" #include <stdlib.h> #include <fstream> #include <iostream>using namespace std;//顯示通信錄功能菜單 int Direct::menu() {cout<<"***************************************************************"<<endl;cout<<"*********************** 功能菜單：*****************************"<<endl;cout<<"********************* 1.新建聯系人 ****************************"<<endl;cout<<"********************* 2.刪除聯系人 ****************************"<<endl;cout<<"********************* 3.查找聯系人 ****************************"<<endl;cout<<"********************* 4.瀏覽通信錄 ****************************"<<endl;cout<<"********************* 5.退出通信錄 ****************************"<<endl;cout<<"***************************************************************"<<endl;cout<<"******************* 請選擇您要進行的操作：*********************"<<endl;int order = 0;cin>>order;return order; }//添加聯系人 void Direct::addperson(Person* person) {person = new Person();string name,number,address,email;vector<string> phone;cout<<"請輸入姓名：";cin>>name;cout<<"您要存幾條電話號碼: ";int count;cin>>count;for(int i=1;i<=count;i++){cout<<"請輸入電話號碼"<<i<<": ";cin>>number;phone.push_back(number);}cout<<"請輸入地址：";cin>>address;cout<<"請輸入郵箱：";cin>>email;person->setPerson(name,phone,address,email);ofstream outfile;outfile.open("通信錄.txt",ios::app);if(!outfile){cout<<"通信錄.txt can't open. "<<endl;abort();}else{outfile<<"姓名: "<<person->getName()<<" ";for(int i=0;i<person->getPhone().size();i++){outfile<<"電話號碼"<<i+1<<": "<<person->getPhone().at(i)<<" ";}outfile<<"地址: "<<person->getAddress()<<" ";outfile<<"Email: "<<person->getEmail()<<endl;outfile.close();} } //瀏覽通信錄 void Direct::browse() {ifstream infile;infile.open("通信錄.txt");if(!infile){cout<<"通信錄.txt can't open. "<<endl;abort();}else{char people[100];while (!infile.eof()){infile.getline(people,100);cout<<people<<endl;}}infile.close(); } //查找聯系人 void Direct::findperson() {ifstream infile;infile.open("通信錄.txt");if(!infile){cout<<"通信錄.txt can't open. "<<endl;abort();}else{cout<<"請輸入要查找人的信息（姓名、電話、住址或者郵箱）: "<<endl;string str_find;cin>>str_find;char people[100];int i=0;while(!infile.eof()){infile.getline(people,100);string str_people = people;size_t n = str_people.find(str_find,0);int N = (int)n;if(N>=0){cout<<str_people<<endl;++i;}}if(0==i){cout<<"查無此人......"<<endl;}} } //刪除聯系人 void Direct::deleteperson() {ifstream infile;infile.open("通信錄.txt");if(!infile){cout<<"通信錄.txt can't open. "<<endl;abort();}else{cout<<"請輸入要刪除人的信息（姓名、電話、住址或者郵箱）: "<<endl;string str_find;cin>>str_find;char people[100];int i=0;vector<string> str_people2;vector<string> str_people3;string s = "N";while(!infile.eof()){infile.getline(people,100);str_people3.push_back(people);string str_people1 = people;size_t n = str_people1.find(str_find,0);int N = (int)n;if(N>=0){cout<<"是否要刪除此人信息？Y/N"<<endl;cout<<str_people1<<endl;cin>>s;++i;}else if(N==-1&&people!="\n"){if(people!="0"){str_people2.push_back(people);}}}ofstream ofile("通信錄.txt",ios::trunc);string str;if(s == "Y"){ofstream outfile;outfile.open("通信錄.txt",ios::app);for(int i=0;i<str_people2.size()-1;i++)//此處size-1是由于getline()會多讀一行空行，使容器內多壓入一行空行{str = str_people2.at(i);outfile<<str<<endl;}str_people2.clear();outfile.close();}else if(s == "N"){ofstream outfile;outfile.open("通信錄.txt",ios::app);for(int i=0;i<str_people3.size()-1;i++)//此處size-1是由于getline()會多讀一行空行，使容器內多壓入一行空行{str = str_people3.at(i);outfile<<str<<endl;}str_people3.clear();outfile.close();}else{cout<<"輸入有誤......"<<endl;}ofile.close();} } //main.cpp #include "direct.h"int main() {Direct* direct = new Direct();Person* person;int userOrder = 0;while(userOrder!=5){userOrder = direct->menu();switch(userOrder){case 1:cout<<"********************** 新建聯系人 *****************************"<<endl;direct->addperson(person);break;case 2:cout<<"********************** 刪除聯系人 *****************************"<<endl;direct->deleteperson();break;case 3:cout<<"********************** 查找聯系人 *****************************"<<endl;direct->findperson();break;case 4:cout<<"********************** 瀏覽通信錄 *****************************"<<endl;direct->browse();break;case 5:cout<<"********************** 退出通信錄 *****************************"<<endl;break;default:break;}}return 0; }

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