萌新参考别人的通讯录自己写的单链表存储结构的通讯录，大佬给给意见

Ccc_mumu · 发表于 2022-5-20 19:19:28

#include<iostream>
#include<string>
using namespace std ;
struct people
{
string t_name;
int t_age;
int t_sex;
string t_phone;
string t_addr;
people*p_next;
};
people* initNode()//初始化节点
{
people*head = new people();
head->p_next = NULL;
return head;
}
void Free_Node(people*head)//释放内存
{
people* p;
people*temp;
p = head;
while (p != NULL)
{
temp = p->p_next;
delete p;
p = temp;
}
}
//添加联系人：向通讯录中添加新人，信息包括（姓名、性别、年龄、联系电话、家庭住址）
void Add_people(people*head)
{
people*temp=new people();
//姓名
string name;
cout << "请输入姓名" << endl;
cin >>name;
temp->t_name = name;
//性别
int sex;
cout << "请输入性别" << endl;
cout << "1--男" << endl;
cout << "2--女" << endl;
while (true)
{
cin >> sex;
if (sex == 1 || sex == 2)
{
temp->t_sex = sex;
break;
}
else
cout << "请重新输入：" << endl;
}
//年龄
int age;
cout << "请输入年龄" << endl;
cin >> age;
temp->t_age = age;
//联系电话
string phone;
cout << "请输入联系电话" << endl;
cin >> phone;
temp->t_phone = phone;
//家庭地址
string addr;
cout << "请输入家庭地址" << endl;
cin >> addr;
temp->t_addr = addr;
//尾插法插入节点
people*p;
p = head;
while (p->p_next != NULL)
{
p = p->p_next;
}
p->p_next = temp;
temp->p_next = NULL;
}
//显示联系人：显示通讯录中所有联系人信息
void Show_All_people(people*head)
{
people*p = head->p_next;
if (p == NULL)
{
cout << "通讯录为空!" << endl;
}
else
{
while (p!= NULL)
{
cout << "姓名：" << p->t_name << '\t';
cout << "性别：" << (p->t_sex == 1 ? "男" : "女") << '\t';
cout << "年龄：" << p->t_age << '\t';
cout << "电话：" << p->t_phone << '\t';
cout << "地址：" << p->t_addr << endl;
p = p->p_next;
}
}
}
//查找联系人是否存在
people* isExit(people*head,string name)
{
people*p = head->p_next;
while (p!= NULL)
{
if (p->t_name == name)
return p;
p = p->p_next;
}
return NULL;
}
//删除联系人：按照姓名进行删除指定联系人
void Delete_people(people*head)
{
string name;
cout << "输入要删除的指定联系人" << endl;
cin >> name;
people*p = isExit(head, name);
if (p == NULL)
cout << "查无此人" << endl;
else
{
people*temp;
temp = head->p_next;
while (temp!=NULL)
{
temp = temp->p_next;
if (temp->p_next == p)
break;
}
temp->p_next = p->p_next;
}
}
//查找联系人：按照姓名查看指定联系人信息
void Find_People(people*head)
{
string name;
cout << "输入要删除的指定联系人" << endl;
cin >> name;
people*p = isExit(head, name);
if (p == NULL)
{
cout << "没有此人" << endl;
}
else
{
cout << "姓名：" << p->t_name << '\t';
cout << "性别：" << (p->t_sex == 1 ? "男" : "女") << '\t';
cout << "年龄：" << p->t_age << '\t';
cout << "电话：" << p->t_phone << '\t';
cout << "地址：" << p->t_addr << endl;
}
}
//修改联系人：按照姓名重新修改指定联系人
void Modi_People(people*head)
{
string name;
cout << "输入要修改的指定联系人" << endl;
cin >> name;
people*p = isExit(head, name);
if (p == NULL)
{
cout << "没有此人" << endl;
}
else
{
//姓名
string name;
cout << "请输入姓名" << endl;
cin >> name;
p->t_name = name;
//性别
int sex;
cout << "请输入性别" << endl;
cout << "1--男" << endl;
cout << "2--女" << endl;
while (true)
{
cin >> sex;
if (sex == 1 || sex == 2)
{
p->t_sex = sex;
break;
}
else
cout << "请重新输入：" << endl;
}
//年龄
int age;
cout << "请输入年龄" << endl;
cin >> age;
p->t_age = age;
//联系电话
string phone;
cout << "请输入联系电话" << endl;
cin >> phone;
p->t_phone = phone;
//家庭地址
string addr;
cout << "请输入家庭地址" << endl;
cin >> addr;
p->t_addr = addr;
}
}
//清空联系人：清空通讯录中所有信息
void clear_people(people*head)
{
head->p_next = NULL;
}
void Show_Menu()
{
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()
{
people*head;
head = initNode();
int select;
while (true)
{
Show_Menu();
cin >> select;
switch (select)
{
case 1:
Add_people(head);
break;
case 2:
Show_All_people(head);
break;
case 3:
Delete_people(head);
break;
case 4:
Find_People(head);
break;
case 5:
Modi_People(head);
break;
case 6:
clear_people(head);
break;
case 0:
Free_Node(head);
cout << "谢谢使用" << endl;
return 0;
default:
break;
}
}
}

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