学C++第五天_【通讯录管理系统】

例题：通讯录管理系统

通讯录是一个可以记录亲人、好友信息的工具。

系统中需要实现的功能如下:

1. 添加联系人：向通讯录中添加新人，信息包括(姓名、性别、年龄、联系电话、家庭住址)，最多记录1000人；
2. 显示联系人：显示通讯录中所有联系人信息；
3. 删除联系人：按照姓名进行删除指定联系人；
4. 查找联系人：按照姓名查看指定联系人信息；
5. 修改联系人：按照姓名重新修改指定联系人；
6. 清空联系人：清空通讯录中所有信息；
7. 退出通讯录：退出当前使用的通讯录；

#include<iostream> using namespace std; #include<string> #define MAX 1000 //菜单显示 void showMenu() { cout << "***********************" << 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 << "***********************" << endl; } struct Person { string m_Name; int m_Sex; int m_Age; string m_Phone; string m_Address; }; struct Addressbooks { //通讯录中保存的联系人数组 struct Person personArray[MAX]; //当前通讯录保存的人数 int m_Size; }; //1.添加联系人 void addPerson(Addressbooks* abs) { //判断通讯录是否已满 if (abs->m_Size == MAX) { cout << "通讯录已满，无法添加！" << endl; return; } else { //姓名 string name; cout << "请输入姓名：" << endl; cin >> name; abs->personArray[abs->m_Size].m_Name = name; //性别 cout << "请输入性别：" << endl; cout << "1——男" << endl; cout << "2——女" << endl; int sex = 0; while (1) { cin >> sex; if (sex == 1 || sex == 2) { abs->personArray[abs->m_Size].m_Sex = sex; break; } else { cout << "请输入有效数字：" << endl; } } //年龄 cout << "请输入年龄：" << endl; int age = 0; cin >> age; abs->personArray[abs->m_Size].m_Age=age; //电话 cout << "请输入号码：" << endl; string phone; cin >> phone; abs->personArray[abs->m_Size].m_Phone=phone; //家庭住址 cout << "请输入家庭住址：" << endl; string address; cin >> address; abs->personArray[abs->m_Size].m_Address = address; //更新通讯录人数 abs->m_Size++; cout << "添加成功" << endl; system("pause"); system("cls"); } } //2.显示联系人 void showPerson(Addressbooks* abs) { if (abs->m_Size == 0) { cout << "当前记录为空" << endl; } else { for (int i = 0; i < abs->m_Size; i++) { cout << "姓名：" << abs->personArray[i].m_Name << "\t"; cout << "性别：" << (abs->personArray[i].m_Sex==1?"男":"女") << "\t"; cout << "年龄：" << abs->personArray[i].m_Age << "\t"; cout << "联系方式：" << abs->personArray[i].m_Phone << "\t"; cout << "住址：" << abs->personArray[i].m_Address << endl; } } system("pause"); system("cls"); } //检测联系人是否存在 int isExist(Addressbooks*abs,string name) { for (int i = 0; i < abs->m_Size; i++) { if (abs->personArray[i].m_Name == name) { return i;//找到，返回此人数组编号 } } return -1;//未找到，返回-1 } //3.删除联系人 void deletePerson(Addressbooks* abs) { cout << "请输入删除联系人的姓名：" << endl; string name; cin >> name; int ret = isExist(abs, name); if (ret != -1) { for (int i = ret; i < abs->m_Size; i++) { abs->personArray[i] = abs->personArray[i + 1]; } abs->m_Size--; cout << "删除成功" << endl; } else { cout << "未找到该联系人" << endl; } system("pause"); system("cls"); } //4.查找联系人 void findPerson(Addressbooks* abs) { cout << "请输入查找联系人的姓名：" << endl; string name; cin >> name; int ret = isExist(abs, name); if (ret != -1) { cout << "姓名：" << abs->personArray[ret].m_Name << "\t"; cout << "性别：" << (abs->personArray[ret].m_Sex==1?"男":"女") << "\t"; cout << "年龄：" << abs->personArray[ret].m_Age << "\t"; cout << "号码：" << abs->personArray[ret].m_Phone << "\t"; cout << "住址：" << abs->personArray[ret].m_Address << endl; } else { cout << "未找到该联系人" << endl; } system("pause"); system("cls"); } //5.修改指定联系人 void modifyPerson(Addressbooks* abs) { cout << "请输入修改联系人的姓名：" << endl; string name; cin >> name; int ret = isExist(abs, name); if (ret != -1) { string name; cout << "姓名：" << endl; cin >> name; abs->personArray[ret].m_Name = name; int sex = 0; cout << "性别：" << endl; cout << "1——男" << endl; cout << "2——女" << endl; while (1) { cin >> sex; if (sex == 1 || sex == 2) { abs->personArray[ret].m_Sex = sex; break; } cout << "请输入有效数字：" << endl; } int age = 0; cout << "年龄：" << endl; cin >> age; abs->personArray[ret].m_Age = age; string number ; cout << "电话：" << endl; cin >> number; abs->personArray[ret].m_Phone = number; string address; cout << "住址：" << endl; cin >> address; abs->personArray[ret].m_Address = address; cout << "修改成功" << endl; } else { cout << "未找到该联系人" << endl; } system("pause"); system("cls"); } //6.清空联系人 void cleanPerson(Addressbooks* abs) { int justify; cout << "确定清空所有联系人？" << endl; cout << "1——确定" << endl; cout << "2——取消" << endl; while (1) { cin >> justify; if (justify == 1) { abs->m_Size = 0; cout << "通讯录已清空" << endl; break; } else if (justify == 2) { break; } cout << "请输入有效数字" << endl; } system("pause"); system("cls"); } int main() { //创建通讯录结构体变量 Addressbooks abs; //初始化通讯录中当前人员的个数 abs.m_Size = 0; int select ; while (1) { showMenu(); cin >> select; switch (select) { case 1://添加联系人 addPerson(&abs);//利用地址传递，可以修饰实参 break; case 2://显示联系人 showPerson(&abs); break; case 3://删除联系人 deletePerson(&abs); break; case 4://查找联系人 findPerson(&abs); break; case 5://修改联系人 modifyPerson(&abs); break; case 6://清空联系人 cleanPerson(&abs); break; case 0: cout << "欢迎下次使用" << endl; system("pause"); return 0; break; default: break; } } return 0; }