本文实例为大家分享了C语言通讯录系统（增删改查），供大家参考，具体内容如下
全部代码如下所示：
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#include <iostream>
#include <string>
using namespace std;
const int MAX = 1000;
//联系人结构体
typedef struct person
{
string m_name; //姓名
int m_sex; //性别 1 男，0 女
int m_age; //年龄
string m_phone; //电话
string m_addr; //住址
}person_t;
//通讯录结构体
typedef struct addressbooks
{
person_t personArray[MAX]; //通讯录中保存的联系人数组
int m_size; //通讯录中人员个数
}addressbooks_t;
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;
}
void addPerson(addressbooks_t *abs)
{
//判断通讯录是否满了，如果满了就不再添加
if(abs->m_size == MAX)
{
cout << "通讯录已满，无法添加！" << endl;
return ;
}
else
{
//添加具体联系人
cout << "请输入姓名： ";
cin >> abs->personArray[abs->m_size].m_name;
int sex;
while(true)
{
cout << "请输入性别（1男，0女）： ";
cin >> sex;
if(sex == 1 || sex == 0)
{
abs->personArray[abs->m_size].m_sex = sex;
break;
}
else
{
cout << "输入有误，请重新输入！" << endl;
}
}
cout << "请输入年龄： ";
cin >> abs->personArray[abs->m_size].m_age;
cout << "请输入电话： ";
cin >> abs->personArray[abs->m_size].m_phone;
cout << "请输入地址： ";
cin >> abs->personArray[abs->m_size].m_addr;
//更新通讯录人数
++ abs->m_size;
cout << "添加成功！" << endl;
system("pause");
}
}
void displayPerson(addressbooks_t *abs)
{
if(abs->m_size == 0)
{
cout << "记录为空!" << endl;
}
else
{
cout << "姓名\t" << "年龄\t" << "性别\t" << "电话\t\t" << "地址\t\t" << endl;
for(int i = 0; i < abs->m_size; ++i)
{
cout << abs->personArray[i].m_name << "\t";
cout << abs->personArray[i].m_age << "\t";
cout << (abs->personArray[i].m_sex == 1 ? "男" : "女") << "\t";
cout << abs->personArray[i].m_phone << "\t";
cout << abs->personArray[i].m_addr << "\t";
cout << endl;
}
}
system("pause");
}
//按姓名查找用户，如果查找到返回联系人在数组中的下标，未查找到返回-1
int findByName(addressbooks_t *abs,string name)
{
for(int i = 0; i < abs->m_size; ++i)
{
if(name == abs->personArray[i].m_name)
{
return i;
}
}
return -1;
}
void deletePerson(addressbooks_t *abs)
{
string name;
cout << "请输入要删除联的系人姓名：";
cin >> name;
int index = findByName(abs,name);
if(index == -1)
{
cout << "通讯录中未查到" << name << endl;
}
else
{
for(int i = index; i < abs->m_size; ++i)
{
abs->personArray[i] = abs->personArray[i+1];
}
--abs->m_size;
cout << "删除成功" << endl;
}
system("pause");
}
void findPerson(addressbooks_t *abs)
{
string name;
cout << "请输入要查找的联系人姓名：";
cin >> name;
int index = findByName(abs,name);
if(index == -1)
{
cout << "通讯录中未查到" << name << endl;
}
else
{
cout << "姓名\t" << "年龄\t" << "性别\t" << "电话\t\t" << "地址\t\t" << endl;
cout << abs->personArray[index].m_name << "\t";
cout << abs->personArray[index].m_age << "\t";
cout << (abs->personArray[index].m_sex == 1 ? "男" : "女") << "\t";
cout << abs->personArray[index].m_phone << "\t";
cout << abs->personArray[index].m_addr << "\t";
cout << endl;
}
system("pause");
}
void updatePerson(addressbooks_t *abs)
{
string name;
cout << "请输入要修改的联系人姓名：";
cin >> name;
int index = findByName(abs,name);
if(index == -1)
{
cout << "通讯录中未查到" << name << endl;
}
else
{
//添加具体联系人
cout << "请输入姓名： ";
cin >> abs->personArray[index].m_name;
int sex;
while(true)
{
cout << "请输入性别（1男，0女）： ";
cin >> sex;
if(sex == 1 || sex == 0)
{
abs->personArray[index].m_sex = sex;
break;
}
else
{
cout << "输入有误，请重新输入！" << endl;
}
}
cout << "请输入年龄： ";
cin >> abs->personArray[index].m_age;
cout << "请输入电话： ";
cin >> abs->personArray[index].m_phone;
cout << "请输入地址： ";
cin >> abs->personArray[index].m_addr;
cout << "修改成功！" << endl;
}
system("pause");
}
void clearPerson(addressbooks_t *abs)
{
abs->m_size = 0;
cout << "清空成功!" << endl;
system("pause");
}
int main()
{
//创建一个结构体变量
addressbooks_t abs;
//初始化通讯录中人员个数
abs.m_size = 0;
int select = 0; //创建用户选择输入的变量
while(true)
{
system("cls"); //清空屏幕
showMenu(); //菜单调用
cout << "请输入您的选择: ";
cin >> select;
switch (select)
{
case 0: //0.退出通讯录
cout << "欢迎下次使用" << endl;
return 0;
break;
case 1: //1.添加联系人
addPerson(&abs);
break;
case 2: //2.显示联系人
displayPerson(&abs);
break;
case 3: //3.删除联系人
deletePerson(&abs);
break;
case 4: //4.查找联系人
findPerson(&abs);
break;
case 5: //5.修改联系人
updatePerson(&abs);
break;
case 6: //6.清空联系人
clearPerson(&abs);
break;
default:
break;
}
}
return 0;
}
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/weixin_43474701/article/details/119106344
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