asp.net 获取机器硬件信息(cpu频率、磁盘可用空间、内存容量等)

using system;
using system.data;
using system.configuration;
using system.web;
using system.web.security;
using system.web.ui;
using system.web.ui.webcontrols;
using system.web.ui.webcontrols.webparts;
using system.web.ui.htmlcontrols;
using microsoft.win32;
using system.text;
using system.runtime.interopservices;
using system.management;//(添加对 system.management.dll 的引用才能使用 system.management 命名空间)
namespace ec
{
/// <summary>
/// 收集机器硬件信息的相关代码片断（cpu频率、磁盘可用空间、内存容量……）
/// </summary>
public class cpuinfoobject
{
public cpuinfoobject()
{
//
// todo: 在此处添加构造函数逻辑
//
}
#region 获取cpu频率
/**************************************************
* 函数名称:getcpufrequency()
* 功能说明:获取cpu频率
* 参 数:
* 使用示列:
* response.write(ec.cpuinfoobject.getcpufrequency());
************************************************/
/// <summary>
/// 获取cpu频率
/// </summary>
/// <returns>整型cpu频率</returns>
public static int getcpufrequency()
{
registrykey rk = registry.localmachine.opensubkey(@"hardware\description\system\centralprocessor\0");
object obj = rk.getvalue("~mhz");
int cpufrequency = (int)obj;
return cpufrequency;
}
#endregion
#region 获取cpu名称
/**************************************************
* 函数名称:getcpuname()
* 功能说明:获取cpu名称
* 参 数:
* 使用示列:
* response.write(ec.cpuinfoobject.getcpuname());
************************************************/
/// <summary>
/// 获取cpu名称
/// </summary>
/// <returns>字符串型cpu名称</returns>
public static string getcpuname()
{
registrykey rk = registry.localmachine.opensubkey(@"hardware\description\system\centralprocessor\0");
object obj = rk.getvalue("processornamestring");
string cpuname = (string)obj;
return cpuname.trimstart();
}
#endregion
#region 磁盘空间
/**************************************************
* 函数名称:getfreediskspace(string diskname)
* 功能说明:获取磁盘空间
* 参 数:diskname:磁盘名称 d:或e:
* 使用示列:
* response.write(ec.cpuinfoobject.getfreediskspace("d:"));
************************************************/
/// <summary>
/// 磁盘空间
/// </summary>
/// <param name="diskname">硬盘名称:d:或e:</param>
/// <returns>整型</returns>
public static long getfreediskspace(string diskname)
{
managementobject disk = new managementobject("win32_logicaldisk.deviceid=\"" + diskname + "\"");
disk.get();
string totalbyte = disk["freespace"].tostring();
long freediskspacemb = convert.toint64(totalbyte) / 1024 / 1024;
return freediskspacemb;
}
#endregion
#region 获取操作系统版本
/**************************************************
* 函数名称:getosname()
* 功能说明:获取获取操作系统版本名称
* 参 数:
* 使用示列:
* response.write(ec.cpuinfoobject.getosname());
************************************************/
/// <summary>
/// 获取操作系统版本
/// </summary>
/// <returns>操作系统版本</returns>
public static string getosname()
{
string rev = "";
system.operatingsystem osinfo = system.environment.osversion;
switch(osinfo.platform)
{
//platform is windows 95, windows 98,windows 98 second edition, or windows me.
case system.platformid.win32windows:
switch(osinfo.version.major)
{
case 0:
rev ="windows 95";
break;
case 10:
if(osinfo.version.revision.tostring()=="2222a")
rev ="windows 98 second edition";
else
rev ="windows 98";
break;
case 90:
rev="windows me";
break;
}
break;
//platform is windows nt 3.51, windows nt 4.0, windows 2000,or windows xp.
case system.platformid.win32nt:
switch (osinfo.version.major)
{
case 3:
rev = "windows nt 3.51";
break;
case 4:
rev = "windows nt 4.0";
break;
case 5:
if (osinfo.version.minor == 0)
rev = "windows 2000";
else if (osinfo.version.minor == 2)
rev = "windows 2003";
else
rev = "windows xp";
break;
}
break;
}
return rev;
}
#endregion
}
}