address_book.h

#ifndef ADDRESS_BOOK_H
#define ADDRESS_BOOK_H#include <vector>
#include <string>
#include <iostream>
#include <fstream>
using namespace std;struct contact
{int id;        //序号string name;   //姓名int relation;  //关系（1为“亲人”，2为“朋友”，3为“同事”）string number; //电话号码contact() : id(0), name("\0"), relation(0), number("\0") {}contact(int i, string na, int r, string nu) : id(i), name(na), relation(r), number(nu) {}
};class address_book
{
public:address_book();address_book(vector<contact>& a);                       //利用数组建立通讯簿address_book(string& file_name);                        //利用文件数据建立通讯簿address_book(address_book& rhs);                        //复制构造函数address_book operator=(address_book& rhs);              //赋值运算符重载~address_book() {}string Find(string& name);                              //查询联系人void addition(int i, string na, int r, string& nu);     //添加联系人void change(string& name, int r);                       //修改联系人关系void change(string& name, string& nu);                  //修改联系人电话号码void remove(string& name);                              //删除联系人void print(int r);                                      //按关系输出联系人void print();                                           //输出全部联系人private:vector<contact> address;
};address_book::address_book() {}
address_book::address_book(vector<contact>& a) : address(a.size())
{for (int i = 0; i < a.size(); i++){address[i].id = a[i].id;address[i].relation = a[i].relation;address[i].name = a[i].name;address[i].number = a[i].number;}
}
address_book::address_book(string& file_name)
{int address_nums;ifstream in_file(file_name);in_file >> address_nums;if (!address.empty()){address.clear();}for (int i = 0; i < address_nums; i++){int id, relation;string name, number;in_file >> id >> name >> relation >> number;contact m(id, name, relation, number);address.push_back(m);}
}address_book::address_book(address_book& rhs)
{if (rhs.address.empty()){address.clear();}else{address = rhs.address;}
}
address_book address_book::operator=(address_book& rhs)
{if (rhs.address.empty()){address.clear();return *this;}else{address = rhs.address;return *this;}
}string address_book::Find(string& name)
{for (int i = 0; i < address.size(); i++){if (address[i].name == name){return address[i].number;}}cout << "未找到" << endl;return string(0);
}
void address_book::addition(int i, string na, int r, string& nu)
{contact m(i, na, r, nu);address.push_back(m);
}
void address_book::change(string& name, int r)
{for (int i = 0; i < address.size(); i++){if (address[i].name == name){address[i].relation = r;}}cout << "无匹配联系人" << endl;
}
void address_book::change(string& name, string& nu)
{for (int i = 0; i < address.size(); i++){if (address[i].name == name){address[i].number = nu;}}cout << "无匹配联系人" << endl;
}
void address_book::remove(string& name)
{for (int i = 0; i < address.size(); i++){if (address[i].name == name){address.erase(address.begin() + i);}}cout << "无匹配联系人" << endl;
}
void address_book::print(int r)
{string relation;switch (r){case 1:relation = "亲人";break;case 2:relation = "朋友";break;case 3:relation = "同事";break;default:cout << "错误输入" << endl;return;}for (int i = 0; i < address.size(); i++){if (address[i].relation == r){cout << address[i].id << " " << address[i].name << " " << relation << " " << address[i].number << endl;}}
}
void address_book::print()
{for (int i = 0; i < address.size(); i++){cout << address[i].id << " " << address[i].name << " " << address[i].relation << " " << address[i].number << endl;}
}#endif

address_book.cpp

#include "address_book.h"int main()
{int m;address_book a_book;int id, relation;string name, number;cout << "请建立通讯簿" << endl << endl;cout << "建立空通讯簿请输入 0 " << endl;cout << "由文件建立通讯簿请输 1 " << endl;cout << "由输入数据建立通讯簿请输 2 " << endl;cin >> m;if (m==0){}else if(m==1){string filename;cout << "请输入文件地址" << endl;address_book a_b(filename);a_book = a_b;}else if(m==2){int count;vector<contact> s;cout << "请输入通讯簿数据个数" << endl;cin >> count;cout << "请依次输入序号，姓名，关系（ 1为“亲人”，2为“朋友”，3为“同事” ），电话号码" << endl;for (int i = 0;i < count;i++){cout << "请输入第 " << i + 1 << " 个联系人" << endl;cin >> id >> name >> relation >> number;contact c(id, name, relation, number);s.push_back(c);}address_book a_b(s);a_book = a_b;}else{cout << "错误输入，程序中止" << endl;return 0;}cout << "请选择所需要的通讯簿操作 (输入 t 退出)" << endl;cout << "可选择操作：" << endl << endl;cout << "添加新联系人信息请输 0 " << endl;cout << "查询指定联系人号码请输 1 " << endl;cout << "修改指定联系人信息请输 2 " << endl;cout << "删除指定联系人信息请输 3" << endl;cout << "输出同一关系联系人信息请输 4 " << endl;cout << "输出所有联系人信息请输 5 " << endl;while (cin >> m){if (m == 0){cout << "请依次输入新联系人序号，姓名，关系（ 1为“亲人”，2为“朋友”，3为“同事” ），电话号码" << endl;cin >> id >> name >> relation >> number;a_book.addition(id, name, relation, number);}else if (m == 1){cout << "请输入所需查询联系人姓名" << endl;cin >> name;cout << a_book.Find(name) << endl;}else if (m == 2){int k;cout << "请输入所需修改的数据项（ 关系项请输 0 ，号码项请输 1 ，两项均修改请输 2）" << endl;cin >> k;if (k==0){cout << "请输入指定联系人姓名和修改后号码" << endl;cin >> name >> number;a_book.change(name, number);}else if(k==1){cout << "请输入指定联系人姓名和修改后关系" << endl;cin >> name >> relation;a_book.change(name, relation);}else if (k == 3){cout << "请输入指定联系人姓名，电话号码和修改后关系" << endl;cin >> name >>number>> relation;a_book.change(name, number);a_book.change(name, relation);}else{cout << "错误输入，请重试" << endl;continue;}}else if (m == 3){cout << "请输入所需删除联系人姓名" << endl;cin >> name;a_book.remove(name);}else if (m == 4){cout << "请输入所需输出关系项" << endl;cin >> relation;a_book.print(relation);}else if (m == 5){a_book.print();}else{cout << "错误输入，请重试"<<endl;continue;}cout << "请选择所需要的通讯簿操作 (输入 t 退出)" << endl;}return 0;
}