c++实现通讯录管理系统（控制台版）

#include <iostream>
#include <string>
using namespace std;
#define MAX 1000//定义通讯录最大容量为1000
//联系人结构体
struct person
{
  string name;
  int sex;
  int age;
  string address;  
};
//通讯录结构体
struct contact
{
  struct person p[MAX];
  int size;
};
 
//操作菜单
void showMenu() {
  cout << "*********通讯录管理系统**********" << endl;
  cout << "********* 1.增加联系人 **********" << endl;
  cout << "********* 2.删除联系人 **********" << endl;
  cout << "********* 3.修改联系人 **********" << endl;
  cout << "********* 4.查询联系人 **********" << endl;
  cout << "********* 5.显示联系人 **********" << endl;
  cout << "********* 6.清空通讯录 **********" << endl;
  cout << "********* 0.退出通讯录 **********" << endl;
}
//封装查询联系人是否存在
int isExist(contact* con, string name) {
  for (int i = 0; i < con->size; i++) {
    if (con->p[i].name == name) {
      return i;
    }
  }
  return -1;
}
//添加联系人函数
void addPerson(contact *con){//传入数组的指针
  if (con->size == MAX) {
    cout << "通讯录已满"<<endl;
  }
  else {
    
    cout << "输入姓名";
    string name;
    cin >> name;
    cout << "输入年龄";
    int age;
    cin >> age;
    cout << "输入性别1:女 2:男";
    int sex;
    cin >> sex;
    cout << "输入地址";
    string address;
    cin >> address;
    con->p[con->size].name = name;
    con->p[con->size].age = age;
    con->p[con->size].sex = sex;
    con->p[con->size].address = address;
    con->size++;
  }
  cout << "添加成功"<<endl;
  system("pause");
}
//删除联系人函数
void deletecon(contact* con) {
  string name;
  cout << "输入要删除的姓名";
  cin >> name;
  int res = isExist(con,name);
  if (res != -1) {
    for (int i = res; i < con->size; i++) {
      con->p[res] = con->p[res + 1];
    }
    cout << "删除成功" << endl;
    con->size--;
  }
  else {
    cout << "查无此人"<<endl;
  }
  system("pause");
}
//修改联系人函数
void updateContact(contact* con) {
  string name;
  cout << "输入要修改的联系人姓名查询" << endl;
  cin >> name;
  int res = isExist(con, name);
  if (res != -1) {
    cout << "姓名：" << con->p[res].name << "年龄：" << con->p[res].age << "性别：" << (con->p[res].sex == 1 ? "女" : "男") << "地址：" << con->p[res].address << endl;
    cout << "输入修改姓名";
    string nametemp;
    cin >> nametemp;
    con->p[res].name = nametemp;
    cout << "输入修改年龄" << endl;
    int age;
    cin >> age;
    con->p[res].age = age;
    cout << "输入修改性别1：女2：男" << endl;
    int sex;
    cin >> sex;
    con->p[res].sex = sex;
    cout << "输入修改地址" << endl;
    string address;
    cin >> address;
    con->p[res].address = address;
    cout << "修改成功" << endl;
  }
  else {
    cout << "查无此人" << endl;
  }
  system("pause");
}
//查询联系人函数
void search(contact *con) {
  string name;
  cout << "输入姓名查询"<<endl;
  cin >> name;
  int res = isExist(con, name);
  if (res != -1) {
    cout << "姓名:" << con->p[res].name << "年龄:" << con->p[res].age << "性别:" <<(con->p[res].sex==1?"女":"男")<<endl;
  }
  else {
    cout << "查无此人" << endl;
  }
  system("pause");
  
}
//清空联系人函数
void clearContact(contact* con) {
  con->size = 0;
  cout << "已清空通讯录"<<endl;
  system("pause");
}
//显示联系人函数
void showContact(contact* con) {
  if (con->size == 0) {
    cout << "暂无联系人"<<endl;
  }
  else {
    for (int i = 0; i < con->size; i++) {
      cout <<"姓名："<< con->p[i].name <<"年龄："<< con->p[i].age <<"地址："<< con->p[i].address <<"性别："<<(con->p[i].sex==1?"女":"男") << endl;
    }
  }
  system("pause");
}
 
//退出系统函数
int exitapp() {
  exit(0);
}
 
/**
通讯录管理系统主程序
*/
int main() {
  contact con;
  con.size = 0;
  while (true)
  {
    system("cls");//清屏
    showMenu();
    cout << "输入你的选择";
    int select;
    cin >> select;
    switch (select) {
    case 1:
      addPerson(&con);
      break;
    case 2:
      deletecon(&con);
      break;
    case 3:
      updateContact(&con);
      break;
    case 4:
      search(&con);
      break;
    case 5:
      showContact(&con);
      break;
    case 6:
      clearContact(&con);
      break;
    case 0://退出
      exitapp();
      break;
    }
  }
}