C++ 通讯录管理系统

Posted 2021-04-03 a people

该项目属于C++的入门练习，旨在加深对程序的3种控制结构、函数的定义与使用、结构体、数组等概念理解。

#include<iostream>#include<string>using namespace std;
struct person{ string m_name; int m_sex; int m_age; string m_phone; string m_addr;};
#define MAX 1000struct Addressbooks{ struct person personArray[MAX]; int m_size=0;};
void showmenu();void addPerson(Addressbooks* abs);void showPerson(Addressbooks* abs);void deletePerson(Addressbooks* abs);void findPerson(Addressbooks* abs);void modifyPerson(Addressbooks* abs);void cleanPerson(Addressbooks* abs);
int main(){ Addressbooks abs; abs.m_size = 0; int select = 0; while (true) { showmenu(); cin >> select;
 switch (select) { case 1://添加联系人 addPerson(&abs); break; case 2://显示联系人 showPerson(&abs); break; case 3://删除联系人 { cout << "请输入删除联系人的姓名:" << endl; string name; cin >> name; 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://退出通讯录 cout << "您已退出程序,欢迎下次使用" << endl; system("pause"); return 0; break; default: break; } }}
//菜单显示void showmenu(){ 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;}
//添加联系人void addPerson(Addressbooks* abs){ if (abs->m_size == MAX) { cout << "通讯录已满,无法添加!" << endl; } else { //名字 string name; cout << "请输入姓名:" << endl; cin >> name; abs->personArray[abs->m_size].m_name = name; //性别 int sex; cout << "请输入性别:" << endl; cout << "1---男" << endl; cout << "2---女" << endl; while (true) { cin >> sex; if (sex == 1 || sex == 2) { abs->personArray[abs->m_size].m_sex = sex; break; } cout << "输入有误,请重新输入!" << endl; } //年龄 cout << "请输入年龄:" << endl; int age; cin >> age; abs->personArray[abs->m_size].m_age = age; //电话 string phone; cout << "请输入电话号码:" << endl; cin >> phone; abs->personArray[abs->m_size].m_phone = phone; //住址 string address; cout << "请输入住址:" << endl; cin >> address; abs->personArray[abs->m_size].m_addr = address; abs->m_size++; cout << "您已添加成功!" << endl; system("pause"); system("cls"); }}
//显示联系人void showPerson(Addressbooks* abs){ if (abs->m_size == 0) { cout << "当前通讯录记录为空!" << 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 << "电话" << abs->personArray[i].m_phone << "\t"; cout << "住址" << abs->personArray[i].m_addr << endl; } } system("pause"); system("cls");}
int isExist(Addressbooks* abs, string name){ for (int i = 0; i < abs->m_size; i++) { if (abs->personArray[i].m_name == name) { return i; } } return -1;}
//删除联系人void deletePerson(Addressbooks* abs){ cout << "请输入您要删除的联系人:" << endl; string name; cin >> name; int ret = isExist(abs, name); if (ret != -1) { for (int i = ret; ret < abs->m_size; i++) { abs->personArray[i] = abs->personArray[i + 1]; } abs->m_size--; cout << "删除成功" << endl; } else {    cout << "无此人" << endl; } system("pause"); system("cls");}
//查找联系人void findPerson(Addressbooks* abs){ string name; cout << "请输入您要查找的联系人:" << endl; 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 << "电话" << abs->personArray[ret].m_phone << "\t"; cout << "住址" << abs->personArray[ret].m_addr << endl; } else {    cout << "无此人" << endl; } system("pause"); system("cls");}
//修改联系人void modifyPerson(Addressbooks* abs){ string name; cout << "请输入您要修改的联系人:" << endl; cin >> name; int ret = isExist(abs, name); if (ret != -1) { //姓名 string name; cin >> name; abs->personArray[ret].m_name = name; //性别 cout << "请输入性别:" << endl; cout << "1---男" << endl; cout << "2---女" << endl; int sex; while (true) { cin >> sex; if (sex == 1 || sex == 2) { abs->personArray[abs->m_size].m_sex = sex; break; } cout << "输入有误,请重新输入!" << endl; } //年龄 cout << "请输入年龄:" << endl; int age; cin >> age; abs->personArray[ret].m_age = age; //电话 string phone; cout << "请输入电话号码:" << endl; cin >> phone; abs->personArray[ret].m_phone = phone; //住址 string address; cout << "请输入住址:" << endl; cin >> address; abs->personArray[ret].m_addr = address; cout << "您已修改成功!" << endl; } else {    cout << "无此人" << endl; }  system("pause"); system("cls");}
//清空联系人void cleanPerson(Addressbooks* abs){ abs->m_size = 0; cout << "通讯录已清空!" << endl; system("pause"); system("cls");}

很高兴您能坚持看到这，以上便是该项目的全部代码。

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