#include"name.h"

#include<string>

using std::string;

#include<iostream>

using std::ostream;
using std::istream;

#include<iomanip>

using std::setw;
using std::left;

#include<cstring>

using std::strlen;
using std::strcpy;

int Name::number = 0;

Name::Name(const char * const f , const char * const l)
{
    setFirstName(f);
    setLastName(l);
    Name::number ++;
}
Name::~Name()
{
    delete [] firstname;
    delete [] lastname;
    number--;
}

void Name::setFirstName( const char * const first)
{
    firstname = new char[ strlen( first ) + 1 ];
    strcpy( firstname , first );
}

void Name::setLastName( const char * const last)
{
    lastname = new char[ strlen( last ) + 1 ];
    strcpy( lastname , last );
}

char *Name::getFirstName()
{
    return firstname;
}

char *Name::getLastName()
{
    return lastname;
}

ostream &operator<<( ostream &output , const Name &m )
{
    output <<"Welcome to GradeBood System" <<'\n'<<"Number is: "<<setw(2)<<left<< m.number << '\t'<<"Name is: " << m.firstname << " " << m.lastname;
    return output;
}

istream &operator>>( istream &input , Name &n )
{
    input >> setw(25) >>  n.getFirstName() >> n.getLastName();
    return input;
}


_____________________________________________________________________________________________________________________________________________

//name.h
//name class definition

#ifndef NAME_H
#define NAME_H

#include<iostream>
using std::ostream;
using std::istream;

#include<string>
using std::string;

class Name
{
    friend ostream &operator<<( ostream & , const Name & );
    friend istream &operator>>( istream & , Name & );

public:
    Name(const char * const = "",const char * const = "");
    ~Name();
    void setFirstName(const char * const);
    char *getFirstName();
    void setLastName( const char * const);
    char *getLastName();
    int getNumber(){return number;}

private:
    char *firstname;
    char *lastname;
    static int number;
};
#endif
_____________________________________________________________________________________________________________________________________________

#include "name.h"

#include <iostream>
using std::cout;
using std::cin;

#include <string>
using std::string;


int main()
{
    char *first = "";
    char *last = "";

    cout<< "Please enter the frist name or enter \"end\" to exit"<<'\n';
    cin >> first;
    cout << "Please enter the last name or enter \"end\" to exit"<<'\n';
    cin >> last;

    Name student(first , last);
    cout << student;
    cout<<'\n'<<"please inter the first name and the last of a new student:"<<'\n';
    cin >> student;
    cout << student;

    return 0;
}

1>------ 已启动生成: 项目: GradeBook, 配置: Debug Win32 ------
1>正在编译...
1>name.cpp
1>.\name.cpp(40) : warning C4996: “strcpy”被声明为否决的
1>        E:\公用软件\学习软件\Microsoft Visual Studio 8\VC\include\string.h(73) : 参见“strcpy”的声明
1>        消息:“This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_DEPRECATE. See online help for details.”
1>.\name.cpp(46) : warning C4996: “strcpy”被声明为否决的
1>        E:\公用软件\学习软件\Microsoft Visual Studio 8\VC\include\string.h(73) : 参见“strcpy”的声明
1>        消息:“This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_DEPRECATE. See online help for details.”
1>正在链接...
1>正在嵌入清单...
1>生成日志保存在“file://c:\Documents and Settings\Administrator\My Documents\Visual Studio 2005\Projects\GradeBook\GradeBook\Debug\BuildLog.htm”
1>GradeBook - 0 个错误，2 个警告

运行的时候，一输入就出错。 。高手帮帮忙。。怎么回事，该怎么改，高手帮帮忙，感激不尽！！！！！

你的构造函数是有问题的,,,对象还没有完成初始化就调用了成员函数!!

我都没办法运行.顶一下,让高手给你解答,让我也学学啊....

char *first = "";
    char *last = "";

    cout<< "Please enter the frist name or enter \"end\" to exit"<<'\n';
    cin >> first;


指针能用吗？
cin>>*first;

呵呵，都没分配内存~~~