运行效果
思路分析
1.这是一个比较基础的的项目,主要是把思路理清,利用switch实现就可以。
2.这里采取的是利用指针进行函数传从,把实参传给形参的过程就好比定义一个指针的过程,在形参里进行定义指针,把实参传给形参的过程可以看成指针给指针赋值的过程,关于指针传参不懂得,点击这里!!!
代码
#include<iostream> #define MAX 1000 using namespace std; //设计联系人的结构体 struct Person { //姓名 string m_Name; //性别 1 男 2 女 int m_Sex; //年龄 int m_Age; //电话 string m_Phone; //住址 string m_Addr; }; //设计通讯录结构体 struct Addressbooks { //通讯录中保存的联系人数组 Person personArray[MAX]; //通讯录中当前记录的联系人数 int m_size; }; //1、添加联系人 void addPerson(Addressbooks * abs) { //首先判断通讯录是否已满,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 { //添加具体的联系人 //姓名 string name; cout << "请输入姓名: " << endl; cin >> name; abs->personArray[abs->m_size].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) { //如果输入的是1或者2,退出循环 //如果有误,吃那个寻输入 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; } //年龄 cout << "请输入年龄: " << endl; int age = 0; cin >> age; abs->personArray[abs->m_size].m_Age = age; //电话 cout << "请输入联系电话: " << endl; string phone; cin >> phone; abs->personArray[abs->m_size].m_Phone = phone; //地址 cout << "请输入家庭住址: " << endl; string address; cin >> address; abs->personArray[abs->m_size].m_Addr = address; //更新通讯录人数 abs->m_size++; cout << "添加成功 " << endl; system("pause");//请按任意键继续 system("cls");//清屏操作 } } //2、显示所有的联系人 void showPerson(Addressbooks* abs) { //判断通讯录中人数是否为0,如果为0,提示为空 //如果不是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"); system("cls"); } //检测联系人是否存在,如果存在,返回联系人在数组中的具体位置,不存在返回-1 int isExist(Addressbooks* abs, string name)//参数一 通讯录 参数二 对比姓名 { for (int i = 0; i < abs->m_size; i++) { //找到用户输入的姓名了 if (abs->personArray[i].m_Name == name) { return i; } } return -1;//如果遍历结束都没有找到,返回-1 } //3、删除联系人 void deletePerson(Addressbooks* abs) { cout << "请输入您要删除的联系人" << endl; string name; cin >> name; //ret == -1 未查到 //ret != -1 查到了 int ret = isExist(abs, name); if (ret != -1) { for (int i = ret; i < abs->m_size-1; i++) { //数据前移工作 abs->personArray[i] = abs->personArray[i + 1]; } //更新通讯录中的人员数 abs->m_size--;//更新通讯录中的人员数 cout << "删除成功" << endl; } else { cout << "查无此人" << endl; } system("pause"); system("cls"); } //4、查找指定的联系人信息 void findPerson(Addressbooks* abs) { cout << "请输入您要查找的联系人姓名: " << endl; string name; cin >> name; //首先判断指定的联系人是否存在 int ret = isExist(abs, name); if (ret != -1)//找到联系人 { 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//未找到 { cout << "查无此人" << endl; } //任意键按下后,清屏 system("pause"); system("cls"); } //5、修改联系人信息 void modifyPerson(Addressbooks* abs) { cout << "请输入您要修改的联系人姓名: " << endl; string name; cin >> name; int ret = isExist(abs, name); if (ret != -1)//找到联系人 { //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 address; cin >> address; abs->personArray[ret].m_Addr = address; cout << "修改成功" << endl; } else//未找到 { cout << "查无此人" << endl; } //按任意键清屏 system("pause"); system("cls"); } //6|清空联系人 void cleanPerson(Addressbooks* abs) { abs->m_size = 0;//将当前记录的联系人数量置为0,做逻辑清空操作 cout << "通讯录已清空" << endl; //按任意键后清空 system("pause"); system("cls"); } //菜单界面 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; } int main() { //创建通讯录结构体变量 Addressbooks abs; //初始化通讯录中当前的人员个数 abs.m_size = 0; int select = 0;//创建用户选择的输入变量 while (true) { //菜单的调用 showMenu(); cin >> select; switch (select) { case 1://1、添加联系人 addPerson(&abs);//利用地址传送,可以修改实参 break; case 2://2、显示联系人 showPerson(&abs); break; case 3://3、删除联系人 /*{ cout << "请输入要删除联系人的姓名: " << endl; string name; cin >> name; if (isexist(&abs, name) == -1) { cout << "查无此人" << endl; } else { cout << "找到此人" << endl; } }*/ deletePerson(&abs); break; case 4://4、查找联系人 findPerson(&abs); break; case 5://5、修改联系人 modifyPerson(&abs); break; case 6://6、清空联系人 cleanPerson(&abs); 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; }
C++实战项目-------通讯录管理系统
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转载自blog.csdn.net/weixin_44820625/article/details/106243348
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