此项目适合c++初学者，针对c++基础知识，涉及到变量、结构体定义使用、数组定义使用、指针定义使用等。
运行之后的结果如下：
代码：
#include
#include
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;
}
}
}
