本文实例为大家分享了C++实现简易通讯录管理系统的具体代码，供大家参考，具体内容如下
前言
建议收藏，亲手写一遍代码，感受指针神奇的魅力；
可以帮助你更好的巩固知识体系，熟悉指针，结构体与函数一起使用时的妙处
完成通讯录管理系统所需知识体系
1.结构体
2.指针
3.函数的封装
4.指针与函数的结合使用
5.指针与结构体的结合使用
结构体
联系人结构体
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struct person{ string name;//姓名 string sex; //性别 int age; //年龄 string phone;//手机号 string home;//地址}; |
通讯录结构体
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struct addressbook{ struct person personArray[MAX]; //通讯录扩展到100； int size=0; //当前联系人个数(后面就相当于i++)}; |
函数模块
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void menu();//菜单void putit(addressbook* add);//添加联系人void showperson(addressbook* add);// 显示联系人int if_include(addressbook* add, string name);//判断联系人void deleteperson(addressbook* add, int i);//删除联系人void findPerson( addressbook* add);//查找联系人void cleanperson(struct addressbook* add);//清空所有联系人 |
菜单
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void menu(){ cout << endl; cout << "**********【主菜单】************" << endl; cout << "---------1.添加联系人:----------" << endl; cout << "---------2.显示联系人：---------" << endl; cout << "---------3.删除联系人：---------" << endl; cout << "---------4.查找联系人：---------" << endl; cout << "---------5.修改联系人：---------" << endl; cout << "---------6.清空联系人：---------" << endl; cout << "---------0.退出通讯录：---------" << endl; cout << "*******************************" << endl;} |
添加联系人
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void putit(addressbook* add)//添加联系人功能{ if (add->size == MAX) cout << "通讯录已满" << endl; else { string name; string sex; int age; string phone; string home; cout << "请输入姓名" << endl; cin >> name; add->personArray[add->size].name = name; cout << "请输入姓别" << endl; cin >> sex; add->personArray[add->size].sex = sex; cout << "请输入年龄" << endl; cin >> age; add->personArray[add->size].age = age; cout << "请输入电话号码" << endl; cin >> phone; add->personArray[add->size].phone = phone; cout << "请输入家庭住址" << endl; cin >> home; add->personArray[add->size].home = home; add->size++; cout << "添加联系人成功" << endl; } system("pause"); system("cls"); menu();} |
有人问添加联系人函数中为什么要使用指针?
因为值传递中形参无法改变实参；
而利用指针的地址传递可以通过函数中的形参改变实参；
具体原理可以参考博主之前的指针基础和指针进阶内容]
显示联系人
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void showperson(addressbook* add){ for (int i = 0; i <add->size; i++) { cout << "姓名： " << add->personArray[i].name; cout << "\t姓别： " << add->personArray[i].sex; cout << "\t年龄： " << add->personArray[i].age; cout << "\t电话号码： " << add->personArray[i].phone; cout << "\t家庭住址： " << add->personArray[i].home << endl; } system("pause"); system("cls"); menu();} |
判断联系人
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int if_include(addressbook* add, string name){ for (int i = 0; i < add->size; i++) { if (name == add->personArray[i].name) { return i; } else { return -1; } }} |
删除联系人
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void deleteperson(addressbook* add, int i){ for (; i < add->size; i++) { add->personArray[i] = add->personArray[i + 1]; } system("pause"); system("cls");} |
查找联系人
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void findPerson( addressbook* add){ cout << "请输入您想要查找的联系人：" << endl; string name; cin >> name; int ret = if_include(add, name); if (ret == -1) { cout << "查无此人" << endl; } else { //查到此人，进行显示操作 int i = ret; cout << "姓名：" << add->personArray[i].name << "\t"; cout << "性别：" << add->personArray[i].sex << "\t"; cout << "年龄：" << add->personArray[i].age << "\t"; cout << "联系方式：" << add->personArray[i].phone << "\t"; cout << "地址：" << add->personArray[i].home << endl; } //按任意键清屏 system("pause"); system("cls");} |
清空所有联系人
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void cleanperson(struct addressbook* add)//清空所有联系人{ cout << "是否确认清空？" << endl; cout << "1 --- 是" << endl; cout << "2 --- 否" << endl; int a; cin >> a; if (a == 1) { add->size = 0;//将当前记录联系人数量置为0，做逻辑上的清空操作 cout << "通讯录已清空" << endl; } system("pause"); system("cls");} |
main函数
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int main(){ menu(); addressbook add;//定义一个通讯录 int choice=1; while (choice != 0) { cin >> choice; switch (choice)//选择 { case 1: putit(&add); break; case 2: showperson(&add); break; case 3: {cout << "请输入你要删除的人的名字" << endl; string aname; cin >> aname; if (if_include(&add, aname) == -1) { cout << "查无此人" << endl; break; } if (if_include(&add, aname)) { deleteperson(&add, if_include(&add, aname)); } } break; case 4: break; case 5: break; case 6: break; case 0: cout << "欢迎下次使用" << endl; return 0; break; default: {cout << "输入不合法，请重新输入" << endl; break; } } }} |
源代码
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#include<iostream>using namespace std;#include<string>#define MAX 100struct person{ string name;//姓名 string sex; //性别 int age; //年龄 string phone;//手机号 string home;//地址};struct addressbook{ struct person personArray[MAX]; //通讯录扩展到100； int size=0; //当前联系人个数(后面就相当于i++)};void menu();//菜单void putit(addressbook* add);void showperson(addressbook* add); int if_include(addressbook* add, string name);void deleteperson(addressbook* add, int i);void findPerson(struct addressbooks* add);//查找联系人void cleanperson(struct addressbook* add);//清空所有联系人int main(){ menu(); addressbook add; int choice=1; while (choice != 0) { cin >> choice; switch (choice) { case 1: putit(&add); break; case 2: showperson(&add); break; case 3: { cout << "请输入你要删除的人的名字" << endl; string aname; cin >> aname; if (if_include(&add, aname) == -1) { cout << "查无此人" << endl; break; } if (if_include(&add, aname)) { deleteperson(&add, if_include(&add, aname)); } } break; case 4: break; case 5: break; case 6: break; case 0: cout << "欢迎下次使用" << endl; return 0; break; default: {cout << "输入不合法，请重新输入" << endl; break; } } }}void menu(){ cout << endl; cout << "***********【主菜单】***********" << endl; cout << "---------1.添加联系人:----------" << endl; cout << "---------2.显示联系人：---------" << endl; cout << "---------3.删除联系人：---------" << endl; cout << "---------4.查找联系人：---------" << endl; cout << "---------5.修改联系人：---------" << endl; cout << "---------6.清空联系人：---------" << endl; cout << "---------0.退出通讯录：---------" << endl; cout << "********************************" << endl;}void putit(addressbook* add)//添加联系人功能{ if (add->size == MAX) cout << "通讯录已满" << endl; else { string name; string sex; int age; string phone; string home; cout << "请输入姓名" << endl; cin >> name; add->personArray[add->size].name = name; cout << "请输入姓别" << endl; cin >> sex; add->personArray[add->size].sex = sex; cout << "请输入年龄" << endl; cin >> age; add->personArray[add->size].age = age; cout << "请输入电话号码" << endl; cin >> phone; add->personArray[add->size].phone = phone; cout << "请输入家庭住址" << endl; cin >> home; add->personArray[add->size].home = home; add->size++; cout << "添加联系人成功" << endl; } system("pause"); system("cls"); menu();}void showperson(addressbook* add){ for (int i = 0; i <add->size; i++) { cout << "姓名： " << add->personArray[i].name; cout << "\t姓别： " << add->personArray[i].sex; cout << "\t年龄： " << add->personArray[i].age; cout << "\t电话号码： " << add->personArray[i].phone; cout << "\t家庭住址： " << add->personArray[i].home << endl; } system("pause"); system("cls"); menu();}int if_include(addressbook* add, string name){ for (int i = 0; i < add->size; i++) { if (name == add->personArray[i].name) { return i; } else { return -1; } }}void deleteperson(addressbook* add, int i){ for (; i < add->size; i++) { add->personArray[i] = add->personArray[i + 1]; } system("pause"); system("cls");}void findPerson( addressbook* add){ cout << "请输入您想要查找的联系人：" << endl; string name; cin >> name; int ret = if_include(add, name); if (ret == -1) { cout << "查无此人" << endl; } else { //查到此人，进行显示操作 int i = ret; cout << "姓名：" << add->personArray[i].name << "\t"; cout << "性别：" << add->personArray[i].sex << "\t"; cout << "年龄：" << add->personArray[i].age << "\t"; cout << "联系方式：" << add->personArray[i].phone << "\t"; cout << "地址：" << add->personArray[i].home << endl; } //按任意键清屏 system("pause"); system("cls");}void cleanperson(struct addressbook* add)//清空所有联系人{ cout << "是否确认清空？" << endl; cout << "1 --- 是" << endl; cout << "2 --- 否" << endl; int a; cin >> a; if (a == 1) { add->size = 0;//将当前记录联系人数量置为0，做逻辑上的清空操作 cout << "通讯录已清空" << endl; } system("pause"); system("cls");} |
由于代码量过大，建议大家可以试着分文件编写代码，也可以方便查看
运行结果
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/qq_59708493/article/details/120850754
