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标题:
输入输出流重载问题求解
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作者:
ANONYMOUS419
时间:
2015-04-28 19:43
标题:
输入输出流重载问题求解
本帖最后由 ANONYMOUS419 于 2015-04-28 20:03 编辑
#include "Input.h"
#include "Output.h"
int main()
{
Output out;
Input in;
int id;
float math;
char str[20];
out << "请输入学号:";
in >> id;
out << "请输入姓名和数学成绩:";
in >> str >> math;
out << id << '\t' << str << '\t' << math << endl;
return 0;
}
#pragma once
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
class Input
{
public:
Input & operator>>(int &i)
{
scanf("%d", &i);
return *this;
}
Input & operator>>(unsigned int &u)
{
scanf("%u", &u);
return *this;
}
Input & operator>>(char &c)
{
fflush(stdin);
c = getchar();
return *this;
}
Input & operator>>(char *str)
{
fflush(stdin);
scanf("%s", str);
return *this;
}
Input & operator >> (float &f)
{
scanf("%f", &f);
return *this;
}
Input & operator >> (double &dl)
{
scanf("%lf", &dl);
return *this;
}
Input();
~Input();
};
#include "Input.h"
Input::Input()
{
}
Input::~Input()
{
}
#pragma once
#define endl "\n"
#include <iostream>
class Output
{
public:
Output();
~Output();
Output & operator<<(const int i)
{
printf("%d", i);
return *this;
}
Output & operator<<(const unsigned int u)
{
printf("%u", u);
return *this;
}
Output&operator<<(const char c)
{
printf("%c", c);
return *this;
}
Output & operator <<(const char *str)
{
printf("%s", str);
return *this;
}
Output & operator <<(const float f)
{
printf("%f", f);
return *this;
}
Output & operator <<(const double dl)
{
printf("%lf", dl);
return *this;
}
};
#include "Output.h"
Output::Output()
{
}
Output::~Output()
{
}
1>------ Build started: Project: HomeWork3, Configuration: Debug Win32 ------
1> Output.cpp
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(992): error C2988: unrecognizable template declaration/definition
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(992): error C2059: syntax error: 'string'
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1001): error C2065: '_Elem': undeclared identifier
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1001): error C2065: '_Traits': undeclared identifier
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1001): error C2923: 'std::basic_ostream': '_Elem' is not a valid template type argument for parameter '_Elem'
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1001): error C2923: 'std::basic_ostream': '_Traits' is not a valid template type argument for parameter '_Traits'
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1002): error C2065: '_Elem': undeclared identifier
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1002): error C2065: '_Traits': undeclared identifier
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1002): error C2923: 'std::basic_ostream': '_Elem' is not a valid template type argument for parameter '_Elem'
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1002): error C2923: 'std::basic_ostream': '_Traits' is not a valid template type argument for parameter '_Traits'
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1003): error C2143: syntax error: missing ';' before '{'
1>d:\program files (x86)\microsoft visual studio 14.0\vc\include\ostream(1003): error C2447: '{': missing function header (old-style formal list?)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
作者:
ANONYMOUS419
时间:
2015-04-28 20:18
问题已解决,属于重复包含头文件错误
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