#include<iostream>
#include<string> //控制字符串的头文件
using namespace std;
class tong //建立同学录的一个类
{
public:
tong(); //构造函数
tong(char n[20],char se,int ag,int te,int qq);
~tong();
void Set();//添加
void Delete();//删除
void Alter();//修改
void List();//显示
void RearchN();
void RearchT();
void RearchQ();
private:
char name[20];int age,telphone,QQ;char sex;
}
tong::tong(){} //构造函数
tong::tong(char n[20],char se,int ag,int te,int qq)
{
strcpy(name, n);
sex=se;
age=ag;
telphone=te;
QQ=qq;
}
tong::~tong(){}
tong*s[50];int i=0;int j=0;
char name[20];int age,telphone,QQ;char sex;
void tong::Set()
{
cout<<"请输入姓名:"<<endl;
cin>>name;
cout<<"请输入性别:"<<endl;
cin>>sex;
cout<<"请输入年龄:"<<endl;
cin>>age;
cout<<"电话号码:"<<endl;
cin>>telphone;
cout<<"QQ号码:"<<endl;
cin>>QQ;
j++;
s[i]=new tong(name,sex,age,telphone,QQ);
i++;
}
void tong:: Delete() //(2)删除人员(Delete)
{
cout<<"请输入您要删除的学生姓名:"<<endl;
cin>>name;
for(int h=0;h<i;h++)
{
if(strcmp(name,s[h]->name)==0)
{
i--;
s[h]=s[h+1];
h++;
}
else cout<<"您要求删除的对象本来就不存在!请检查输入的正确性!";
}
}
void tong::Alter() //(3)修改数据(Alter)
{
cout<<"请输入您要修改的学生的姓名:"<<endl;
cin>>name;
for(int h=0;h<i;h++)
{
if(strcmp(name,s[h]->name)==0)
{
char se;int ag,qq,te;
cout<<"请输入性别:"<<endl;
cin>>se;
cout<<"请输入年龄:"<<endl;
cin>>ag;
cout<<"电话号码:"<<endl;
cin>>te;
cout<<"QQ号码:"<<endl;
cin>>qq;
s[h]->sex=se;
s[h]->age=ag;
s[h]->telphone=te;
s[h]->QQ=qq;
cout<<"数据修改成功!";
}
else cout<<"您要修改的学生本来就不存在!请检查重新输入!"<<endl;
}
}
void tong::List() //(4)显示记录(List)
{
cout<<"本系统所有通讯录的数据如下:"<<endl;
if(i==0)
cout<<"管理系统中没有录入数据或者数据已经被删除!"<<endl;
for(int k=0;k<i;k++)
{
cout<<"姓名:"<<s[k]->name<<" "<<
"性别:"<<s[k]->sex<<" "<<"年龄:"<<s[k]->age
<<" "<<"电话号码:"<<s[k]->telphone<<" "<<"QQ号码:"
<<s[k]->QQ<<endl;
}
}
void tong::RearchN()
{
if(i==0)
cout<<"管理系统中没有录入数据或者数据已经被删除!"<<endl;
cout<<"请输入你要查询的学生姓名"<<endl;
cin>>name;
for(int j=0;j<i;j++)
{
if(strcmp(name,s[j]->name)==0)
{
cout<<"您要查询的学生是:"<<s[j]->name<<endl;
cout<<"性别: "<<s[j]->sex<<" "<<"年龄: "<<s[j]->age<<" "<<"电话号码:"<<s[j]->telphone
<<" "<<"QQ号码:"<<s[j]->QQ<<endl;
}
else
cout<<"对不起!您要查询的学生不存在!"<<endl;
}
}
void tong::RearchT()
{
int n;
if(i==0)
cout<<"管理系统中没有输入数据!"<<endl;
cout<<"请输入你要查询的学生的电话"<<endl;
cin>>n;
for(int j=0;j<i;j++)
{
if(s[j]->telphone==n)
{
cout<<"您要查询的学生是:"<<s[j]->name<<endl;
cout<<" 性别: "<<s[j]->sex<<" "<<"年龄: "<<s[j]->age<<" "<<"电话号码:"<<s[j]->telphone
<<" "<<"QQ号码:"<<s[j]->QQ<<endl;
}
else cout<<"对不起!您要查询的学生不存在!"<<endl;
}
}
void tong::RearchQ()
{
int n;
if(i==0)
cout<<"管理系统中没有输入数据!"<<endl;
cout<<"请输入你要查询的学生的QQ"<<endl;
cin>>n;
for(int j=0;j<i;j++)
{
if(s[j]->QQ==n)
{
cout<<"您要查询的学生是:"<<s[j]->name<<endl;
cout<<" 性别: "<<s[j]->sex<<" "<<"年龄: "<<s[j]->age<<" "<<"电话号码:"<<s[j]->telphone<<" "<<"QQ号码:"<<s[j]->QQ<<endl;
}
else cout<<"对不起!您要查询的学生不存在!"<<endl;
}
}
void caozuo(int p)
{
tong t;
switch(p)
{
case 0:t.Set();break;
case 1:t.Set();break;
case 2:t.Delete();break;
case 3:t.Alter();break;
case 4:t.List();break;
case 5:t.RearchN();break;
case 6:t.RearchT();break;
case 7:t.RearchQ();break;
case 8:exit(0);break;
}
}
int main()
{
char w;
do
{
cout<<"请输入操作代码(0 通讯录录入/1 增加人员/2 删除人员/3 修改数据/4 显示记录/ 5 按姓名查询/6 按电话查询/7 按QQ查询/8 退出)"<<endl;
int a;cin>>a; caozuo(a);
cout<<"您想继续进行其他操作吗?(y/n)"<<endl;
cin>>w;
}
while(w=='y');
return 0;
} //利用while语句又回到了前面的循环