如何添加include文件？

Question

//liumengyang.h#include<iostream.h>class liumengyang{private:int t;public:int v(int l1,int h1,int s1);};int liumengyang::v(int l1,int h1,int s1){t=l1*h1*s1;return t;}#include<liumengyang.h>main(){int s;liumengyang zhangjingchu(1,2,3);s=zhangjingchu.v;cout<<s;}我这个程序怎么错了 各位高手，能帮忙看看么？编译提示错误：D:\软件\MSDev98\MyProjects\include\include.cpp(16) : fatal error C1083: Cannot open include file: 'liumengyang.h': No such file or directory执行 cl.exe 时出错.这个是怎么回事？还有 如何不在程序中通过“//”添加.h文件 而在文件夹中直接添加include 文件呢？谁能告诉我，谢谢

Answer 1

类有问题，看看下述修改后代码：
//liumengyang.h

#include<iostream>
using namespace std;

class liumengyang
{
private:
int t;
public:
int v(int l1,int h1,int s1);
};
int liumengyang::v(int l1,int h1,int s1)
{
t=l1*h1*s1;
return t;
}

#include “liumengyang.h”

int s;
liumengyang zhangjingchu;
s=zhangjingchu.v(1,2,3);
cout<<s;

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