C++|C++ 实现的通讯录管理系统详解 C++实现的通讯录管理系统详解

代码如下：

#include#include using namespace std; #define Max 1000//显示菜单函数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 << "****0、退出通讯录 ****" << endl; cout << "************************" << endl; }/** 添加联系人实现步骤：* 1. 设计联系人结构体* 2.设计通讯录结构体* 3.在main函数中创建通讯录* 4.封装添加联系人函数* 5.测试*///设计联系人结构体struct Person{ string p_name; int p_sex; int p_age; string p_phone; string p_address; }; //通讯录结构体struct PhoneBook{ struct Person pArray[Max]; //设置最大值 int b_size; //通讯录中实际存放联系人个数}; //判断字符串是否为数字函数bool isNum(string str){ stringstream sin(str); double d; char c; if (!(sin >> d))return false; if (sin >> c)return false; return true; }//添加联系人函数void addPerson(PhoneBook* pb){ //判断通讯录是否满 if (pb->b_size == Max) {cout << "通讯录已满" << endl; return; }//添加 else {string name; cout << "请输入姓名：" << endl; cin >> name; pb->pArray[pb->b_size].p_name = name; //插入到通讯录数组，数组下标为当前通讯录中实体个数int sex; cout << "请输入性别" << endl; while (true) {cout << "1、男2、女" << endl; cin >> sex; if (sex == 1 || sex == 2) {pb->pArray[pb->b_size].p_sex = sex; break; }else {cout << "输入有误，请按要求重新输入" << endl; }}int age; cout << "请输入年龄" << endl; cin >> age; pb->pArray[pb->b_size].p_age = age; string phone; long long p1; //用于检验是否都输入的数字cout << "请输入手机号" << endl; while (true){cin >> phone; if (phone.size() != 11) {cout << "您输入的手机号位数不对，请重新输入" << endl; }else if (!isNum(phone)) {cout << "您输入的手机号格式不对，请重新输入" << endl; cout << "请正确输入11位数字" << endl; }else {pb->pArray[pb->b_size].p_phone = phone; break; }}string addr; cout << "请输入地址" << endl; cin >> addr; pb->pArray[pb->b_size].p_address = addr; //完成录入后通讯录中数据个数增加pb->b_size++; cout << "添加联系人成功" << endl; system("pause"); system("cls"); //清屏重新返回菜单 }}//显示联系人void printPerson(PhoneBook* pb){ int a = pb->b_size; if (a == 0) {cout << "通讯录为空" << endl; } else {for (int i = 0; i < pb->b_size; i++){cout << "姓名：" << pb->pArray[i].p_name; if (pb->pArray[i].p_sex == 1) {cout << "\t性别： " << "男"; }else {cout << "\t性别： " << "女"; }cout << "\t年龄： " << pb->pArray[i].p_age; cout << "\t电话： " << pb->pArray[i].p_phone; cout << "\t地址： " << pb->pArray[i].p_address << endl; } } system("pause"); system("cls"); }//检测联系人是否存在//参数1 通讯录参数2 输入的姓名int isExist(PhoneBook* pb, string name){ for (int i = 0; i < pb->b_size; i++) {if (pb->pArray[i].p_name == name) {return i; //找到返回下标} } return -1; }//删除用户void deletePerson(PhoneBook* pb){ cout << "请输入删除联系人的姓名" << endl; string name; cin >> name; int r = isExist(pb, name); if (r==-1) {cout << "查无此人" << endl; } else {for (int i = r; i < pb->b_size; i++){pb->pArray[i] = pb->pArray[i + 1]; }pb->b_size--; cout << "删除成功" << endl; } system("pause"); system("cls"); }//查找联系人void selectPerson(PhoneBook* pb){ cout << "请输入姓名" << endl; string name; cin >> name; int r = isExist(pb, name); if (r != -1) {cout << "姓名：" << pb->pArray[r].p_name; if (pb->pArray[r].p_sex == 1) {cout << "\t性别： " << "男"; }else {cout << "\t性别： " << "女"; }cout << "\t年龄： " << pb->pArray[r].p_age; cout << "\t电话： " << pb->pArray[r].p_phone; cout << "\t地址： " << pb->pArray[r].p_address << endl; } else {cout << "查无此人" << endl; } system("pause"); system("cls"); }//修改void updatePerson(PhoneBook* pb){ cout << "请输入姓名" << endl; string name; cin >> name; int r = isExist(pb, name); if (r != -1) {string name; cout << "请输入姓名：" << endl; cin >> name; pb->pArray[r].p_name = name; //插入到通讯录数组，数组下标为当前通讯录中实体个数int sex; cout << "请输入性别" << endl; while (true) {cout << "1、男2、女" << endl; cin >> sex; if (sex == 1 || sex == 2) {pb->pArray[r].p_sex = sex; break; }else {cout << "输入有误，请按要求重新输入" << endl; }}int age; cout << "请输入年龄" << endl; cin >> age; pb->pArray[r].p_age = age; string phone; long long p1; //用于检验是否都输入的数字cout << "请输入手机号" << endl; while (true){cin >> phone; if (phone.size() != 11) {cout << "您输入的手机号位数不对，请重新输入" << endl; }else if (!isNum(phone)) {cout << "您输入的手机号格式不对，请重新输入" << endl; cout << "请正确输入11位数字" << endl; }else {pb->pArray[r].p_phone = phone; break; }}string addr; cout << "请输入地址" << endl; cin >> addr; pb->pArray[r].p_address = addr; cout << "修改联系人成功" << endl; system("pause"); system("cls"); //清屏重新返回菜单 } else {cout << "查无此人" <b_size = 0; cout << "通讯录已经清空" << endl; system("pause"); system("cls"); }int main(){ //创建通讯录变量 PhoneBook pb; pb.b_size = 0; int select = 0; //用循环保证每次操作后依然能回到菜单页面 while (true) {//显示菜单showMenu(); cout << "请输入你需要的操作的数字代号" << endl; cin >> select; switch (select){case 1:addPerson(&pb); //地址传递修饰实参//1、添加联系人break; case 2://显示联系人printPerson(&pb); break; case 3://3、删除联系人deletePerson(&pb); break; case 4:selectPerson(&pb); // 4、查找联系人break; case 5:updatePerson(&pb); // 5、修改联系人break; case 6:cleanPerson(&pb); //6、清空联系人break; case 0:cout << "欢迎下次使用！" << endl; system("pause"); return 0; // 0、退出通讯录 break; default:break; } }}

运行图如下：