怎么在C++中利用vector实现通讯录功能?针对这个问题,这篇文章详细介绍了相对应的分析和解答,希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
main.cpp
#include "../../include/head.h" personMessage pep; vector<personMessage> person; vector<personMessage>::iterator it; int main() { //personMessage pep; //vector<personMessage> person; char ch = 0; //system("clear"); while(ch != 'q') { if((ch != 'a') && (ch != 'c') && (ch != 'd') && (ch != 'f')) { system("clear"); ch = book_ui(); } switch(ch) { case 'a': { ch = add_person(); break; } case 'c': { ch = change_person(); break; } case 'd': { ch = delete_person(); break; } case 'e': { ch = display_person(); break; } case 'f': { ch = find_person(); break; } case 'q': { cout << "Byebye!" << endl; return 0; break; } default: { cout << "input error!" << endl; break; } } } return 0; }
head.h
/***************************************************** Copyright (C): 2017-2018 File name : head.h Author : Zhengqijun Date : 2017年02月12日 星期日 17时11分29秒 Description : Funcion List : *****************************************************/ #ifndef __HEAD_H__ #define __HEAD_H__ #include <iostream> #include <string> #include <vector> #include <algorithm> #include <stdio.h> #include <string.h> using namespace std; class personMessage { public: personMessage(); personMessage(string s); ~personMessage(); personMessage& operator=(string s); personMessage& operator=(personMessage& other); /* sort排序算法需要重载'<',注意加const! */ bool operator<(const personMessage& p) const; bool operator>(const personMessage& p) const; bool operator<=(const personMessage& p) const; bool operator>=(const personMessage& p) const; bool operator==(string s); friend istream& operator>>(istream& in, personMessage& p); friend ostream& operator<<(ostream& out, personMessage& p); int selectFlag; //用来选择哪一个私有成员! private: string name_; string addr_; string phone_; }; extern personMessage pep; extern vector<personMessage> person; extern vector<personMessage>::iterator it; extern char book_ui(); extern char add_person(); extern char change_person(); extern char delete_person(); extern char display_person(); extern char find_person(); #endif
book.cpp
/***************************************************** Copyright (C): 2017-2018 File name : book.cpp Author : Zhengqijun Date : 2017年02月12日 星期日 18时53分19秒 Description : Funcion List : *****************************************************/ #include "../../include/head.h" personMessage::personMessage() : selectFlag(0) { cout << "default coonstructor!" << endl; } personMessage::personMessage(string s) { name_ = s; } personMessage::~personMessage() { cout << "destroy person message!" << endl; } #if 1 personMessage& personMessage::operator=(string s) { name_ = s; return *this; } #endif personMessage& personMessage::operator=(personMessage& other) { if(this == &other) { return *this; } name_ = other.name_; addr_ = other.addr_; phone_ = other.phone_; return *this; } bool personMessage::operator>(const personMessage& p) const { return name_ > p.name_; } bool personMessage::operator>=(const personMessage& p) const { return name_ >= p.name_; } bool personMessage::operator<(const personMessage& p) const { return name_ < p.name_; } bool personMessage::operator<=(const personMessage& p) const { return name_ <= p.name_; } bool personMessage::operator==(string s) { if(selectFlag == 1) { return name_ == s; } else if(selectFlag == 2) { return addr_ == s; } else if(selectFlag == 3) { return phone_ == s; } else { return false; } } #if 1 istream& operator>>(istream& in, personMessage& p) { string name; string addr; string phone; cout << "请输入新的成员名字:" << endl; in >> name; p.name_ = name; cout << "请输入新的成员地址:" << endl; in >> addr; p.addr_ = addr; cout << "请输入新的成员电话:" << endl; in >> phone; p.phone_ = phone; return in; } ostream& operator<<(ostream& out, personMessage& p) { out << "名字: " << p.name_ << endl; out << "地址: " << p.addr_ << endl; out << "电话: " << p.phone_ << endl; return out; } #endif
book_ui.cpp
/***************************************************** Copyright (C): 2017-2018 File name : book_ui.cpp Author : Zhengqijun Date : 2017年02月12日 星期日 16时49分50秒 Description : Funcion List : *****************************************************/ #include "../../include/head.h" char book_ui() { char ch = 0; cout << " ____________________________________" << endl; cout << "| |" << endl; cout << "| 欢迎进入通讯录系统 v2.0 |" << endl; cout << "| |" << endl; cout << "|====================================|" << endl; cout << "| |" << endl; cout << "| a. 增加新的成员 |" << endl; cout << "| c. 修改成员信息 |" << endl; cout << "| d. 删除成员信息 |" << endl; cout << "| e. 展示所有成员 |" << endl; cout << "| f. 查找成员信息 |" << endl; cout << "| q. 退出通讯录系统 |" << endl; cout << "|____________________________________|" << endl; cout << endl << "请输入你的选择:" << endl; cin >> ch; return ch; }
add_person.cpp
/***************************************************** Copyright (C): 2017-2018 File name : add_person.cpp Author : Zhengqijun Date : 2017年02月12日 星期日 17时22分56秒 Description : Funcion List : *****************************************************/ #include "../../include/head.h" char add_person() { cout << "This is add person!" << endl; #if 0 getchar(); string tmp; getline(cin, tmp); cout << "tmp = " << tmp << endl; pep = tmp; #endif /* 输入新的成员信息 */ cin >> pep; cout << pep << endl; /* 向vector插入元素 */ person.push_back(pep); cout << "插入成员信息成功!" << endl; char ch = 0; cout << "是否返回主菜单?(y/n)" << endl; getchar(); cin >> ch; if(ch == 'y') { return 0; } else if(ch == 'n') { return 'a'; } else { cout << "输入错误!" << endl; return 0; } }
delete_person.cpp
/***************************************************** Copyright (C): 2017-2018 File name : delete_person.cpp Author : Zhengqijun Date : 2017年02月12日 星期日 18时29分33秒 Description : Funcion List : *****************************************************/ #include "../../include/head.h" char delete_person() { cout << "This is delete person!" << endl; /* 删除成员的信息 */ string pep_info; int d_flag = 0; int d_key = 0; cout << "请输入你想要查找的方式(1-姓名/2-地址/3-电话):" << endl; cin >> d_key; switch(d_key) { case 1: { cout << "请输入你想要删除成员的名字:" << endl; cin >> pep_info; break; } case 2: { cout << "请输入你想要删除成员的地址:" << endl; cin >> pep_info; break; } case 3: { cout << "请输入你想要删除成员的电话:" << endl; cin >> pep_info; break; } default: { cout << "输入有误!" << endl; return 0; break; } } for(it = person.begin(); it != person.end(); ) { it->selectFlag = d_key; if(*it == pep_info) { person.erase(person.begin()+d_flag, person.begin()+d_flag+1); cout << "删除成员信息成功!" << endl; } else { ++it; d_flag++; } } char ch = 0; cout << "是否返回主菜单?(y/n)" << endl; getchar(); cin >> ch; if(ch == 'y') { return 0; } else if(ch == 'n') { return 'd'; } else { cout << "输入错误!" << endl; return 0; } }
change_person.cpp
/***************************************************** Copyright (C): 2017-2018 File name : change_person.cpp Author : Zhengqijun Date : 2017年02月12日 星期日 18时20分15秒 Description : Funcion List : *****************************************************/ #include "../../include/head.h" char change_person() { cout << "This is change person!" << endl; /* 修改成员的信息 */ string pep_info; int ch_flag = 0; int c_key = 0; cout << "请输入你想要查找的方式(1-姓名/2-地址/3-电话):" << endl; cin >> c_key; switch(c_key) { case 1: { cout << "请输入你想要修改成员的名字:" << endl; cin >> pep_info; break; } case 2: { cout << "请输入你想要修改成员的地址:" << endl; cin >> pep_info; break; } case 3: { cout << "请输入你想要修改成员的电话:" << endl; cin >> pep_info; break; } default: { cout << "输入有误!" << endl; return 0; break; } } for(it = person.begin(); it != person.end(); ++it) { it->selectFlag = c_key; if(*it == pep_info) { ch_flag = 1; cin >> *it; cout << "修改成员信息成功!" << endl; } } if(ch_flag != 1) { cout << "没有找到该成员!" << endl; } char ch = 0; cout << "是否返回主菜单?(y/n)" << endl; getchar(); cin >> ch; if(ch == 'y') { return 0; } else if(ch == 'n') { return 'c'; } else { cout << "输入错误!" << endl; return 0; } }
find_person.cpp
/***************************************************** Copyright (C): 2017-2018 File name : find_person.cpp Author : Zhengqijun Date : 2017年02月12日 星期日 18时21分59秒 Description : Funcion List : *****************************************************/ #include "../../include/head.h" char find_person() { cout << "This is find person!" << endl; int f_key = 0; int f_flag = 0; /* 输入查找的姓名 */ string f_info; cout << "请输入查找方式(1-姓名/2-地址/3-电话)" << endl; cin >> f_key; switch(f_key) { case 1: { cout << "请输入你想要查找成员的名字:" << endl; cin >> f_info; break; } case 2: { cout << "请输入你想要查找成员的地址:" << endl; cin >> f_info; break; } case 3: { cout << "请输入你想要查找成员的名字:" << endl; cin >> f_info; break; } default: { cout << "输入有误!" << endl; return 0; break; } } //pep.selectFlag = 2; //it迭代器在变化,不能直接赋值。 for(it = person.begin(); it != person.end(); ++it) { it->selectFlag = f_key; if(*it == f_info) { f_flag = 1; cout << "找到该成员!" << endl; cout << *it << endl; } } if(f_flag != 1) { cout << "没有找到该成员!" << endl; } char ch = 0; cout << "是否返回主菜单?(y/n)" << endl; getchar(); cin >> ch; if(ch == 'y') { return 0; } else if(ch == 'n') { return 'f'; } else { cout << "输入错误!" << endl; return 0; } }
display_person.cpp
#include "../../include/head.h" char display_person() { cout << "This is display person!" << endl; sort(person.begin(), person.end()); for(it = person.begin(); it != person.end(); ++it) { cout << *it << endl; } char ch = 0; cout << "按任意键返回" << endl; getchar(); cin >> ch; return 0; }
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