GetSystemInfo 和 GlobalMemoryStatus获取系统信息，内存信息

// GetSystemInfo.cpp : 定义控制台应用程序的入口点。

//

#include "stdafx.h"

#include <iostream>

#include <windows.h>

#include <iomanip>

using namespace std;

int main()

{

	SYSTEM_INFO systemInfo;

	GetSystemInfo(&systemInfo);

	cout << setw(20) << "处理器掩码: " << systemInfo.dwActiveProcessorMask << endl

		<< setw(20) << "处理器个数: " << systemInfo.dwNumberOfProcessors << endl

		<< setw(20) << "处理器分页大小: " << systemInfo.dwPageSize << endl

		<< setw(20) << "处理器类型: " << systemInfo.dwProcessorType << endl

		<< setw(20) << "最大寻址单元: " << systemInfo.lpMaximumApplicationAddress << endl

		<< setw(20) << "最小寻址单元: " << systemInfo.lpMinimumApplicationAddress << endl

		<< setw(20) << "处理器等级: " << systemInfo.wProcessorLevel << endl

		<< setw(20) << "处理器版本: " << systemInfo.wProcessorRevision << endl;

	return 0;

}

// GlobalMemoryStatus.cpp : 定义控制台应用程序的入口点。

//

#include "stdafx.h"

#include <Windows.h>

#include <iostream>

using namespace std;

int main()

{

	MEMORYSTATUS ms;     //记录内容空间信息的结构体变量

	GlobalMemoryStatus(&ms);//调用GlobalMemoryStatus()函数获取内存信息

	cout << "total physical mem:" << (float)ms.dwTotalPhys / 1024 / 1024 << "MB" << endl;    //总的物理内存大小

	cout << "used physical mem:" << (float)(ms.dwTotalPhys - ms.dwAvailPhys) / 1024 / 1024 << "MB" << endl;  //已用物理内存大小

	cout << "avilible physical mem:" << (float)ms.dwAvailPhys / 1024 / 1024 << "MB" << endl;     //可用物理内存大小

	cout << endl;

	cout << "total Virtual mem:" << (float)ms.dwTotalVirtual / 1024 / 1024 << "MB" << endl;  //总的虚拟内存大小

	cout << "used Virtual mem:" << (float)(ms.dwTotalVirtual - ms.dwAvailVirtual) / 1024 / 1024 << "MB" << endl;   //已用虚拟内存大小

	cout << "avilible Virtual mem:" << (float)ms.dwAvailVirtual / 1024 / 1024 << "MB" << endl;   //可用虚拟内存大小

    return 0;

}