//项目通讯录系统 #include <iostream> using namespace std; #include <string> #define MAX 10 //设计联系人的结构体 struct Person { //姓名 string m_Name; //性别 int m_Sex; //年龄 int m_age; //电话 string m_Phone; //住址 string m_ADDr; }; //添加联系人 struct Addressbooks { //人员个数 struct Person personArray[MAX]; int m_Size; }; //2.显示所有联系人 void showPerson(Addressbooks* abs) { //判断通讯录中人数是否为0，如果为0，提示记录为0 //如果不为0，显示记录的联系人信息 if (abs->m_Size == 0) { cout << "当前记录为空" << 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");//按任意键继续 system("cls");//清屏 } 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; } //1,添加联系人 void addperson(Addressbooks* abs) { if (abs->m_Size == MAX) { cout << "人数到达上限，无法添加" << endl; return; } else { string name; cout << "请输入你的姓名" << endl; cin >> name; abs->personArray[abs->m_Size].m_Name = name; cout << "请输入你的性别" << endl; cout << "1---男" << endl; cout << "2---女" << endl; int sex = 0; while (true)//这就是一个反复执行的例子 //只有你通过break才能跳出，不然无法跳出 { 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; } int age; cout << "请输入你的年龄" << endl; while (true)//这就是一个反复执行的例子 //只有你通过break才能跳出，不然无法跳出 { cin >> age; if (age>= 0 && age<= 150) { abs->personArray[abs->m_Size].m_age = age; break; } cout << "输入有误，请重新输入" << endl; } cout << "请输入你的电话" << endl; string phone; cin >> phone; abs->personArray[abs->m_Size].m_Phone = phone; cout << "请输入家庭地址" << endl; string addr; cin >> addr; abs->personArray[abs->m_Size].m_ADDr= addr; //更新通讯录人员个数 abs->m_Size++; cout << "添加成功" << endl; system("pause");//就是请按任意键继续 system("cls");//清空当前控制台窗口的屏幕 } } //检测联系人是否存在，如果存在，返回联系人所在数组中的具体位置，不存在返回-1 //参数1 通讯录 参数2 对比姓名 int isExit(Addressbooks* abs, string name) { for (int i = 0; i < abs->m_Size; i++) { //找到用户输入的姓名 if (abs->personArray[i].m_Name == name) { return i; } } return -1; } //3.删除指定的联系人 //要删除指定的人，只需要将这个人后面的人往前移，并且人数-1即可 void delectPerson(Addressbooks* abs) { cout << "请输入你要删除的联系人" << endl; string name; cin >> name; int ret =isExit(abs, name); //看返回值知道是不是有这个人 //ret =1 查到了 ret ！=-1 没查到 if (ret != -1) { for (int i = ret; i < abs->m_Size; i++) { //数据前移 abs->personArray[i] = abs->personArray[i + 1]; } abs->m_Size--;//更新通讯录人数 cout << "删除成功" << endl; } system("pause");//就是请按任意键继续 system("cls");//清空当前控制台窗口的屏幕 } //4.查找联系人 void findPerson(Addressbooks* abs) { cout << "请输入你要找的联系人" << endl; string name; cin >> name; int ret =isExit(abs, name); if (ret != -1) { cout << "姓名： " << abs->personArray[ret].m_Name << "\t"; cout << "性别： " << abs->personArray[ret].m_Sex << "\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 << "查无此人" << endl; system("pause");//就是请按任意键继续 system("cls");//清空当前控制台窗口的屏幕 } //5.修改联系人 void modifyPerson(Addressbooks* abs) { cout << "请输入你要修改的联系人" << endl; string name; cin >> name; int ret = isExit(abs, name); if (ret != -1) { //姓名 string name; cout << "请输入姓名：" << endl; 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 = 0; while (true) { cin >> sex; if (sex == 1 ||sex == 2) { //输入正确 abs->personArray[ret].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 = 0; cin >> age; abs->personArray[ret].m_age = age; //电话 cout << "请输入联系电话：" << endl; string phone ; cin >> phone; abs->personArray[ret].m_Phone = phone; //住址 cout << "请输入家庭住址：" << endl; string ADDr ; cin >> ADDr; abs->personArray[ret].m_ADDr = ADDr; cout << "修改成功" << endl; } else { cout << "查无此人" << endl; } system("pause");//就是请按任意键继续 system("cls");//清空当前控制台窗口的屏幕 } //6 清空联系人 void cleanPerson(Addressbooks* abs) { abs->m_Size = 0;//将当前记录联系人数量置为0，做逻辑清空 cout << "通讯录已清空" << endl; system("pause");//就是请按任意键继续 system("cls");//清空当前控制台窗口的屏幕 } int main() { //创建通讯录结构体变量 Addressbooks abs; //初始化通讯录当前人员个数 abs.m_Size = 0; while (1) { int select; showMenu(); cin >> select; switch (select) { case 1: addperson(&abs); break; case 2: showPerson(&abs); break; case 3: delectPerson(&abs); break; case 4: findPerson(&abs); break; case 5: modifyPerson(&abs); break; case 6: cleanPerson(&abs); break; case 0: cout << "欢迎下次再来" << endl; system("pause"); return 0;//有这个函数就能退出main } } system("pause"); return 0; }
