本文实例为大家分享了C++实现简易通讯录管理系统的具体代码,供大家参考,具体内容如下
1. 效果图
2. 需要的知识
C++基础知识(包括变量,运算符,顺序,分支,循环)
数组
函数
指针
结构体
3. 源码
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#include <iostream> using namespace std; #define MAX 1000 //最大联系人个数 struct Person { string name; string sex; int age; string tell; string addr; }; struct Books { struct Person per[MAX]; int N; //通讯录人数 }; //函数声明 void initBooks(Books *books); void showMenu(); void addPerson(Books *books); void showPerson(Books *books); int findPerson(Books *books,string name); void findPerson(Books *books); void deletePerson(Books *books); void modifyPerson(Books *books); void clearPerson(Books *books); //初始化通讯录,向其中加入联系人 void initBooks(Books *books) { books->per[books->N].name = "张三" ; books->per[books->N].sex = "男" ; books->per[books->N].age = 22; books->per[books->N].tell = "123456789" ; books->per[books->N].addr = "成都" ; books->N++; books->per[books->N].name = "李四" ; books->per[books->N].sex = "男" ; books->per[books->N].age = 23; books->per[books->N].tell = "123456789" ; books->per[books->N].addr = "深圳" ; books->N++; books->per[books->N].name = "王五" ; books->per[books->N].sex = "男" ; books->per[books->N].age = 25; books->per[books->N].tell = "123456789" ; books->per[books->N].addr = "北京" ; books->N++; } //菜单 void showMenu() { system ( "color a" ); 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 " <<endl; cout<< "------------" <<endl; } //添加 void addPerson(Books *books) { if (books->N == MAX) { cout<< "通讯录已满,无法添加\n" ; return ; } else { string name; string sex; int age; string tell; string addr; cout<< "请输入姓名,性别,年龄,电话以及地址:" ; cin>>name>>sex>>age>>tell>>addr; books->per[books->N].name = name; books->per[books->N].sex = sex; books->per[books->N].age = age; books->per[books->N].tell = tell; books->per[books->N].addr = addr; books->N++; cout<< "添加成功\n" ; } } //输出 void showPerson(Books *books) { if (books->N == 0) { cout<< "当前记录为空\n" ; } else { cout<< "姓名\t性别\t年龄\t电话\t\t地址\n" ; for ( int i=0; i<books->N; i++) { cout<<books->per[i].name<< "\t" <<books->per[i].sex<< "\t" <<books->per[i].age<< "\t" <<books->per[i].tell<< "\t" <<books->per[i].addr<< "\n" ; } } } //查询并返回是否存在 int findPerson(Books *books,string name) { for ( int i=0; i<books->N; i++) { if (books->per[i].name== name) { return i; } } return -1; } //查询并输出 void findPerson(Books *books) { cout<< "请输入你要查找的联系人的姓名:" ; string name; cin>>name; int ret = findPerson(books,name); if (ret!=-1) { cout<<books->per[ret].name<< "\t" <<books->per[ret].sex<< "\t" <<books->per[ret].age<< "\t" <<books->per[ret].tell<< "\t" <<books->per[ret].addr<< "\n" ; } else { cout<< "查无此人\n" ; } } //删除 void deletePerson(Books *books) { cout<< "请输入你要删除的联系人的姓名:" ; string name; cin>>name; int ret = findPerson(books, name); if (ret!=-1) { for ( int i=ret; i<books->N; i++) { if (books->per[i].name== name) { books->per[i] = books->per[i+1]; } } books->N--; } else { cout<< "查无此人\n" ; } } //修改 void modifyPerson(Books *books) { cout<< "请输入你要修改的联系人的姓名:" ; string name; cin>>name; int ret = findPerson(books, name); if (ret!=-1) { string name; string sex; int age; string tell; string addr; cout<< "请输入姓名,性别,年龄,电话以及地址:" ; cin>>name>>sex>>age>>tell>>addr; books->per[ret].name = name; books->per[ret].sex = sex; books->per[ret].age = age; books->per[ret].tell = tell; books->per[ret].addr = addr; cout<< "修改成功\n" ; } else { cout<< "查无此人,是否选择新增(Y/N):\n" ; char flag; cin>>flag; if (flag== 'Y' ) { addPerson(books); } } } //清空 void clearPerson(Books *books) { books->N = 0; cout<< "通讯录已清空\n" ; } int main( int argc, char ** argv) { showMenu(); Books books; books.N = 0; initBooks(&books); showPerson(&books); while ( true ) { showMenu(); cout<< "请输入功能前的序号:\n" ; int select=0; cin>>select; switch (select) { case 1: addPerson(&books); break ; case 2: showPerson(&books); break ; case 3: deletePerson(&books); break ; case 4: findPerson(&books); break ; case 5: modifyPerson(&books); break ; case 6: clearPerson(&books); break ; case 0: cout<< "欢迎下次使用\n" ; exit (0); default : break ; } } return 0; } |
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_44505194/article/details/112473124