[黑马程序员课程记录]C++基础部分4

第十四节课 通讯录管理系统

#include <iostream>using namespace std;#include<string>#define max 1000​struct message{string name;string sex;int age;string phone;string address;};​struct addressbook //创建通讯录函数{message man[max];int number;};void add(addressbook *adb){if(adb->number==max){ cout << "已经添加满了" << endl;return;}else{cout << "请添加联系人" << endl;​cout << "请输入联系人姓名: ";cin >> adb->man[adb->number].name;​cout << "请输入联系人性别： ";cin >> adb->man[adb->number].sex;​cout << "请输入联系人年龄： ";cin >> adb->man[adb->number].age;​cout << "请输入联系人电话号码; ";cin >> adb->man[adb->number].phone;​cout << "请输入联系人地址: ";cin >> adb->man[adb->number].address;adb->number++;​cout << "添加完成" << endl;system("pause");//按任意键继续system("cls");//清屏}}void show(addressbook *adb){if (adb->number == 0){cout << "暂无联系人" << endl;}else{for (int i = 0; i < adb->number; i++){cout << "姓名： "<< adb->man[i].name << " " <<"年龄： "<< adb->man[i].age << " " <<"性别：" << adb->man[i].sex << " " <<"电话号码： "<< adb->man[i].phone << " "<<"家庭地址： "<< adb->man[i].address << endl;}}system("pause");//按任意键继续system("cls");//清屏}​void reduce(addressbook *adb)//所谓的删除就是覆盖，依次让后一个数据覆盖前一个数据即可{string r_name;cout << "请输入要查找联系人的名字" << endl;cin >> r_name;int a = 0;for (int i = 0; i < adb->number; i++){if (adb->man[i].name == r_name){for (int j = i; j < adb->number; j++){adb->man[j] = adb->man[j + 1];}cout << "删除成功" << endl;adb->number--;a = 1;}}if (a == 0){cout << "查无此人" << endl;}​system("pause");//按任意键继续system("cls");//清屏}​void find(addressbook *adb){string f_name;cout << "请输入要查找联系人的名字" << endl;cin >> f_name;int a = 0;for (int i = 0; i < adb->number; i++){if (adb->man[i].name == f_name){cout << adb->man[i].name << " " << adb->man[i].age << " " << adb->man[i].sex << " " << adb->man[i].phone << " " << adb->man[i].address << endl;a = 1;}}if (a == 0){cout << "查无此人" << endl;}​system("pause");//按任意键继续system("cls");//清屏}​void change(addressbook *adb){string c_name;cout << "请输入你想修改的联系人" << endl;cin >> c_name;int a = 0;for (int i = 0; i < adb->number; i++){if (adb->man[i].name == c_name){cout << "请输入联系人姓名: ";cin >> adb->man[i].name;​cout << "请输入联系人性别： ";cin >> adb->man[i].sex;​cout << "请输入联系人年龄： ";cin >> adb->man[i].age;​cout << "请输入联系人电话号码; ";cin >> adb->man[i].phone;​cout << "请输入联系人地址: ";cin >> adb->man[i].address;​cout << "修改完成" << endl;a = 1;}}if (a == 0){cout << "查无此人" << endl;}​system("pause");//按任意键继续system("cls");//清屏​}​void clean(addressbook *adb)//直接令数组为零即可{adb->number = 0;​cout << "清除完成" << endl;​system("pause");//按任意键继续system("cls");//清屏}​​int main (){int num1 = 0;addressbook adb;adb.number = 0;​while(1){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;​cin >> num1;switch (num1)//case语句中如果是一大段代码在第二个表达式部分，可以用{}来封装一下{case 1:add(&adb);break;case 2:show(&adb);break;case 3:reduce(&adb);break;case 4:find(&adb);break;case 5:change(&adb);break;case 6:clean(&adb);break;case 0:cout << "欢迎下次使用" << endl;system("pause");return 0;break;default:return 0;break;}​}system("pause");//按任意键继续return 0;}

如果觉得《[黑马程序员课程记录]C++基础部分4》对你有帮助，请点赞、收藏，并留下你的观点哦！