系统需求创建项目菜单功能
添加联系人显示联系人删除联系人查找联系人修改联系人清空联系人 退出功能
系统需求 创建项目依次点击
#include添加联系人using namespace std; #include // 1 展示 菜单界面 void showMenu() 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 << "****** 7、退出通讯录 ******" << endl; } int main() { // 1 菜单界面 showMenu(); system("pause"); return 0; }
1、设计联系人结构体
2、设计通讯录结构体
3、主函数中创建通讯录
4、封装添加联系人函数
5、测试添加联系人功能
// 添加联系人
void addperson(address_book *address_book_1)
{
// 1、判断通讯录是否满，是：提示，否：添加
if (address_book_1->num == MAX)
{
cout << "通讯录已满" << endl;
return;
}
else
{
// 添加联系人：姓名、性别、年龄、电话、住址
//姓名
string name;
cout << "请输入姓名" << endl;
cin >> name;
address_book_1->personArray[address_book_1->num].name = name;
//性别
int sex = 0;
while (true)
{
cout << "请输入性别" << endl;
cout << "1--男" << endl;
cout << "2--女" << endl;
cin >> sex;
// 输入有误 重新输入
if (sex == 1 || sex == 2)
{
address_book_1->personArray[address_book_1->num].sex = sex;
break;
}
else
{
cout << "输入有误 重新输入" << endl;
}
}
//年龄
int age = 0;
cout << "请输入年龄" << endl;
cin >> age;
address_book_1->personArray[address_book_1->num].age = age;
//电话
cout << "请输入电话" << endl;
string phone;
cin >> phone;
address_book_1->personArray[address_book_1->num].phone = phone;
//住址
cout << "请输入住址" << endl;
string addr;
cin >> addr;
address_book_1->personArray[address_book_1->num].addr = addr;
address_book_1->num++;
cout << "添加成功，现在人数为：" << address_book_1->num << endl;
// 清屏
system("pause");//请按任意键继续
system("cls");//清屏操作
}
}
显示联系人
// 显示联系人
void showperson(address_book *address_book_1)
{
// 判断通讯录人数是否为0，为0提示记录为空，不为0显示联系人
if (address_book_1->num == 0)
{
cout << "当前无联系人" << endl;
}
else
{
cout << "当前人数为 = " << address_book_1->num << endl;
for (int i = 0; i < address_book_1->num; i++)
{
cout << endl;
cout << "第" << i << "人"<< "t";
cout << "name：" << address_book_1->personArray[i].name << "t";
cout << "sex：" << (address_book_1->personArray[i].sex ==1 ? "男":"女") << "t"; // 判断
cout << "age：" << address_book_1->personArray[i].age << "t";
cout << "phone：" << address_book_1->personArray[i].phone << "t";
cout << "addr：" << address_book_1->personArray[i].addr << endl;
}
}
// 清屏
system("pause");//请按任意键继续
system("cls");//清屏操作
}
删除联系人
// 删除联系人
int deleteperson_index(address_book* address_book_1, string name)
{
//先判断输入的联系人是否存在
//存在：返回联系人所在数组中的位置
for (int i = 0; i < address_book_1->num; i++)
{
if (address_book_1->personArray[i].name == name)
{
return i;
}
}
//不存在：返回 -1
return -1;
}
void deleteperson(address_book * address_book_1, int name_index)
{
for (int i = name_index; i < address_book_1->num; i++)
{
address_book_1->personArray[i] = address_book_1->personArray[i + 1];
}
address_book_1->num--; //相当于删除了最后一个人
cout << "删除成功" << endl;
// 清屏
system("pause");//请按任意键继续
system("cls");//清屏操作
}
查找联系人
// 查找联系人信息
void findperson(address_book* address_book_1)
{
cout << "请输入要查找联系人的姓名" << endl;
string name;
cin >> name;
int k=0;
for (int i = 0; i < address_book_1 ->num; i++)
{
if (address_book_1->personArray[i].name == name)
{
k = 1;
cout << "name："<< address_book_1->personArray[i].name <<"t";
cout << "sex：" << address_book_1->personArray[i].sex << "t";
cout << "age：" << address_book_1->personArray[i].age << "t";
cout << "phone：" << address_book_1->personArray[i].phone << "t";
cout << "addr：" << address_book_1->personArray[i].addr << endl;
}
}
if (k == 0)
{
cout << "查无此人" << endl;
}
// 清屏
system("pause");//请按任意键继续
system("cls");//清屏操作
}
修改联系人
// 修改联系人信息
void alter(address_book* address_book_1)
{
cout << "请输入修改联系人的 姓名" << endl;
string name;
cin >> name;
int name_index;
name_index = person_index(address_book_1, name);
int sex;
int age;
string phone;
string addr;
cout << "请输入修改联系人的 姓名" << endl;
cin >> name;
cout << "请输入修改联系人的 性别" << endl;
cin >> sex;
cout << "请输入修改联系人的 年龄" << endl;
cin >> age;
cout << "请输入修改联系人的 电话" << endl;
cin >> phone;
cout << "请输入修改联系人的 地址" << endl;
cin >> addr;
address_book_1->personArray[name_index].name = name;
address_book_1->personArray[name_index].sex = sex;
address_book_1->personArray[name_index].age = age;
address_book_1->personArray[name_index].phone = phone;
address_book_1->personArray[name_index].addr = addr;
// 清屏
system("pause");//请按任意键继续
system("cls");//清屏操作
}
清空联系人
// 清空联系人
void cleanperson(address_book* address_book_1)
{
// 只是逻辑上的清楚，但没有清空存储空间，后面添加的数据会覆盖 清空之前的数据
address_book_1->num = 0;
cout << "已清空联系人" << endl;
// 清屏
system("pause");//请按任意键继续
system("cls");//清屏操作
};
退出功能
#includeusing namespace std; #include // 1 展示 菜单界面 void showMenu() 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; } int main() { int select = 0; //创建用户选择输入的变量 // 1 菜单界面 while (true) { showMenu(); cin >> select; switch (select) { case 1: //1、添加联系人 break; case 2://2、显示联系人 break; case 3://3、删除联系人 break; case 4://4、查找联系人 break; case 5://5、修改联系人 break; case 6://6、清空联系人 break; case 0://0、退出通讯录 cout << "欢迎下次使用" << endl; system("pause"); return 0; break; default: break; } } system("pause"); return 0; }
全部代码
#includeusing namespace std; #include #define MAX 1000 // 1 展示 菜单界面 void showMenu() 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; } // 联系人结构体 struct person { //姓名，性别，年龄，电话，住址 string name; int sex; int age; string phone; string addr; }; // 通讯录结构体 struct address_book { //人数、人员列表 int num; struct person personArray[MAX]; }; // 添加联系人 void addperson(address_book *address_book_1) { // 1、判断通讯录是否满，是：提示，否：添加 if (address_book_1->num == MAX) { cout << "通讯录已满" << endl; return; } else { // 添加联系人：姓名、性别、年龄、电话、住址 //姓名 string name; cout << "请输入姓名" << endl; cin >> name; address_book_1->personArray[address_book_1->num].name = name; //性别 int sex = 0; while (true) { cout << "请输入性别" << endl; cout << "1--男" << endl; cout << "2--女" << endl; cin >> sex; // 输入有误 重新输入 if (sex == 1 || sex == 2) { address_book_1->personArray[address_book_1->num].sex = sex; break; } else { cout << "输入有误 重新输入" << endl; } } //年龄 int age = 0; cout << "请输入年龄" << endl; cin >> age; address_book_1->personArray[address_book_1->num].age = age; //电话 cout << "请输入电话" << endl; string phone; cin >> phone; address_book_1->personArray[address_book_1->num].phone = phone; //住址 cout << "请输入住址" << endl; string addr; cin >> addr; address_book_1->personArray[address_book_1->num].addr = addr; address_book_1->num++; cout << "添加成功，现在人数为：" << address_book_1->num << endl; // 清屏 system("pause");//请按任意键继续 system("cls");//清屏操作 } } // 显示联系人 void showperson(address_book *address_book_1) { // 判断通讯录人数是否为0，为0提示记录为空，不为0显示联系人 if (address_book_1->num == 0) { cout << "当前无联系人" << endl; } else { cout << "当前人数为 = " << address_book_1->num << endl; for (int i = 0; i < address_book_1->num; i++) { cout << endl; cout << "第" << i+1 << "人"<< "t"; cout << "name：" << address_book_1->personArray[i].name << "t"; cout << "sex：" << (address_book_1->personArray[i].sex ==1 ? "男":"女") << "t"; // 判断 cout << "age：" << address_book_1->personArray[i].age << "t"; cout << "phone：" << address_book_1->personArray[i].phone << "t"; cout << "addr：" << address_book_1->personArray[i].addr << endl; } } // 清屏 system("pause");//请按任意键继续 system("cls");//清屏操作 } // 删除联系人 int person_index(address_book* address_book_1, string name) { //先判断输入的联系人是否存在 //存在：返回联系人所在数组中的位置 for (int i = 0; i < address_book_1->num; i++) { if (address_book_1->personArray[i].name == name) { return i; } } //不存在：返回 -1 return -1; } void deleteperson(address_book * address_book_1, int name_index) { for (int i = name_index; i < address_book_1->num; i++) { address_book_1->personArray[i] = address_book_1->personArray[i + 1]; } address_book_1->num--; //相当于删除了最后一个人 cout << "删除成功" << endl; // 清屏 system("pause");//请按任意键继续 system("cls");//清屏操作 } // 查找联系人信息 void findperson(address_book* address_book_1) { cout << "请输入要查找联系人的姓名" << endl; string name; cin >> name; int k = 0; for (int i = 0; i < address_book_1->num; i++) { if (address_book_1->personArray[i].name == name) { k = 1; cout << "name：" << address_book_1->personArray[i].name << "t"; cout << "sex：" << address_book_1->personArray[i].sex << "t"; cout << "age：" << address_book_1->personArray[i].age << "t"; cout << "phone：" << address_book_1->personArray[i].phone << "t"; cout << "addr：" << address_book_1->personArray[i].addr << endl; } } if (k == 0) { cout << "查无此人" << endl; } // 清屏 system("pause");//请按任意键继续 system("cls");//清屏操作 }; // 修改联系人信息 void alter(address_book* address_book_1) { cout << "请输入修改联系人的 姓名" << endl; string name; cin >> name; int name_index; name_index = person_index(address_book_1, name); int sex; int age; string phone; string addr; cout << "请输入修改联系人的 姓名" << endl; cin >> name; cout << "请输入修改联系人的 性别" << endl; cin >> sex; cout << "请输入修改联系人的 年龄" << endl; cin >> age; cout << "请输入修改联系人的 电话" << endl; cin >> phone; cout << "请输入修改联系人的 地址" << endl; cin >> addr; address_book_1->personArray[name_index].name = name; address_book_1->personArray[name_index].sex = sex; address_book_1->personArray[name_index].age = age; address_book_1->personArray[name_index].phone = phone; address_book_1->personArray[name_index].addr = addr; // 清屏 system("pause");//请按任意键继续 system("cls");//清屏操作 }; // 清空联系人 void cleanperson(address_book* address_book_1) { // 只是逻辑上的清楚，但没有清空存储空间，后面添加的数据会覆盖 清空之前的数据 address_book_1->num = 0; cout << "已清空联系人" << endl; // 清屏 system("pause");//请按任意键继续 system("cls");//清屏操作 }; int main() { address_book address_book_1; address_book_1.num = 0; int select = 0; //创建用户选择输入的变量 // 1 菜单界面 while (true) { showMenu(); cin >> select; switch (select) { case 1: //1、添加联系人 addperson( &address_book_1); //地址传递才能真正的修改 实参 break; case 2://2、显示联系人 showperson(&address_book_1); break; case 3://3、删除联系人 //先判断输入的联系人是否存在，存在：返回联系人所在数组中的位置，不存在返回 -1 { //case 中有大量代码块，要用 { } 括起来。 cout << "请输入要删除 联系人的姓名" << endl; string name; cin >> name; int name_index; name_index = person_index(&address_book_1, name); if (name_index == -1) { cout << "查无此人" << endl; } else { deleteperson(&address_book_1, name_index); } } break; case 4://4、查找联系人 findperson(&address_book_1); break; case 5://5、修改联系人 alter(&address_book_1); break; case 6://6、清空联系人 cleanperson(&address_book_1); break; case 0://0、退出通讯录 cout << "欢迎下次使用" << endl; system("pause"); return 0; break; default: break; } } system("pause"); return 0; }
