64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#include<iostream>
|
||
#include<fstream>
|
||
//向量是一个能够存放任意类型的动态数组
|
||
#include<vector>
|
||
#include<cstring>
|
||
using namespace std;
|
||
class Person{
|
||
private:
|
||
char name[20];
|
||
char id[18];
|
||
int age;
|
||
char addr[20];
|
||
public:
|
||
Person(){}
|
||
Person(char *n,char *pid,int Age,char* Addr){
|
||
strcpy(name,n);
|
||
strcpy(id,pid);
|
||
age=Age;
|
||
strcpy(addr,Addr);
|
||
}
|
||
void display(){
|
||
cout<<name<<"\t"<<id<<"\t"<<age<<"\t"<<addr<<endl;
|
||
}
|
||
};
|
||
int main(int argc, char const *argv[])
|
||
{
|
||
vector<Person> v;
|
||
vector<Person>::iterator pos;//声明一个迭代器，来访问vector容器，作用：遍历或者指向vector容器的元素
|
||
char ch;
|
||
ofstream out("d:/person.dat",ios::out|ios::app|ios::binary);
|
||
char Name[20],ID[18],Addr[20];
|
||
int Age;
|
||
cout<<"------输入个人档案------"<<endl<<endl;
|
||
do{
|
||
cout<<"姓名： ";
|
||
cin>>Name;
|
||
cout<<"身份证号： ";
|
||
cin>>ID;
|
||
cout<<"年龄： ";
|
||
cin>>Age;
|
||
cout<<"地址： ";
|
||
cin>>Addr;
|
||
Person per(Name,ID,Age,Addr);
|
||
out.write((char*)&per,sizeof(per));
|
||
cout<<"Enter another Person(y/n)?";
|
||
cin>>ch;
|
||
}while(ch=='y');
|
||
out.close();
|
||
ifstream in("d:/person.dat",ios::in|ios::binary); //L9
|
||
Person s;
|
||
in.read((char*)&s,sizeof(s));
|
||
while(!in.eof()){
|
||
v.push_back(s);
|
||
in.read((char*)&s,sizeof(s));
|
||
}
|
||
cout<<"\n---------从文件中读出的数据--------"<<endl<<endl;//L15
|
||
pos=v.begin();
|
||
for(pos=v.begin();pos!=v.end();pos++)
|
||
(*pos).display();
|
||
|
||
system("pause");
|
||
return 0;
|
||
}
|