(原创)JAVA读取硬件信息（MAC地址，CPU号，硬盘卷标，CPU型号及CPU使用率等信息）

[转载](原创)JAVA读取硬件信息（MAC地址，CPU号，硬盘卷标，CPU型号及CPU使用率等信息） – MyPm项目管理平台 – 博客园.

在发布新版的MYPM时，加密要用到相关硬件信息，于是写了下面的测试类

运行main 打印信息如下图

如果读取所有MAC地址，在下面代码打印MAC地址处for循环既可

需要引用的包sigar-1.6.3.jar

及相关动态库 测试时我加载了sigar自带所有动态库

详见main方法内

package cn.com.mypm.common.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.InputStreamReader;

import org.hyperic.sigar.CpuPerc;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.SigarLoader;
import org.hyperic.sigar.cmd.Shell;
import org.hyperic.sigar.cmd.SigarCommandBase;

public class CpuInfo extends SigarCommandBase {

public boolean displayTimes = true;

public CpuInfo(Shell shell) {
super(shell);
}

public CpuInfo() {
super();
}

public String getUsageShort() {
return "Display cpu information";
}

private void output(CpuPerc cpu) {
println("User Time....." + CpuPerc.format(cpu.getUser()));
println("Sys Time......" + CpuPerc.format(cpu.getSys()));
println("Idle Time....." + CpuPerc.format(cpu.getIdle()));
println("Wait Time....." + CpuPerc.format(cpu.getWait()));
println("Nice Time....." + CpuPerc.format(cpu.getNice()));
println("Combined......" + CpuPerc.format(cpu.getCombined()));
println("Irq Time......" + CpuPerc.format(cpu.getIrq()));
if (SigarLoader.IS_LINUX) {
println("SoftIrq Time.." + CpuPerc.format(cpu.getSoftIrq()));
println("Stolen Time...." + CpuPerc.format(cpu.getStolen()));
}
println("");
}

public void output(String[] args) throws SigarException {
org.hyperic.sigar.CpuInfo[] infos = this.sigar.getCpuInfoList();

CpuPerc[] cpus = this.sigar.getCpuPercList();

org.hyperic.sigar.CpuInfo info = infos[0];
long cacheSize = info.getCacheSize();
println("Vendor........." + info.getVendor());
println("Model.........." + info.getModel());
println("Mhz............" + info.getMhz());
println("Total CPUs....." + info.getTotalCores());
if ((info.getTotalCores() != info.getTotalSockets()) || (info.getCoresPerSocket() > info.getTotalCores())) {
println("Physical CPUs.." + info.getTotalSockets());
println("Cores per CPU.." + info.getCoresPerSocket());
}
if (cacheSize != Sigar.FIELD_NOTIMPL) {
println("Cache size...." + cacheSize);
}
println("");
if (!this.displayTimes) {
return;
}
for (int i = 0; i < cpus.length; i++) {             println("CPU " + i + ".........");             output(cpus[i]);         }         println("Totals........");         output(this.sigar.getCpuPerc());         StringBuffer sb=new StringBuffer("cpu号="+getCPUSerial()+"\n");                 String[] interfaces = sigar.getNetInterfaceList();         if(interfaces!=null || interfaces.length>0)
sb.append("第一个网卡号="+sigar.getNetInterfaceConfig(interfaces[0]).getHwaddr());

org.hyperic.sigar.FileSystem[] filesystems = sigar.getFileSystemList();
if(filesystems!=null || filesystems.length>0)
sb.append("\n"+"硬盘第一个分区的卷标="+getHDSerial(filesystems[0].getDevName()));

System.out.println(sb.toString());
}

public static void main(String[] args) throws Exception {
//先加载siga动太库 在不同的平台只要加载特定的动态库，这里我就全加载不区分了
//在IDE环境中，可以不加载动态库 设置natinve lib patch location 既可
File nativeDir = new File("E:\\mypm10_new\\mypmdoc\\WebRoot\\WEB-INF\\native");
File[] libs = nativeDir.listFiles();
for (int i = 0; i < libs.length; i++) {
if (libs[i].isFile())
try {
System.load(new File(nativeDir, libs[i].getName()).getPath());
} catch (Throwable t) {

}
}
new CpuInfo().processCommand(args);
}

/**
*
* 返回CPU的闲置率
*
*/
public static double getCpuIdle() {
Sigar sigar = null;
try {
sigar = new Sigar();
return sigar.getCpuPerc().getIdle();
} catch (Throwable t) {
t.printStackTrace();
} finally {
if (sigar != null)
sigar.close();
}
return 0;
}

/**
*
* @param drive 硬盘驱动器分区 如C,D
* @return 该分区的卷标
*/
public static String getHDSerial(String drive) {
String result = "";
try {
File file = File.createTempFile("tmp", ".vbs");
file.deleteOnExit();
FileWriter fw = new java.io.FileWriter(file);

String vbs = "Set objFSO = CreateObject(\"Scripting.FileSystemObject\")\n"
+ "Set colDrives = objFSO.Drives\n" + "Set objDrive = colDrives.item(\"" + drive + "\")\n"
+ "Wscript.Echo objDrive.SerialNumber";
fw.write(vbs);
fw.close();
Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());
BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
while ((line = input.readLine()) != null) {
result += line;
}
input.close();
file.delete();
} catch (Exception e) {

}
if (result.trim().length() < 1 || result == null) {
result = "无磁盘ID被读取";

}

return result.trim();
}

/**
* 获取CPU号,多CPU时,只取第一个
* @return
*/
public static String getCPUSerial() {
String result = "";
try {
File file = File.createTempFile("tmp", ".vbs");
file.deleteOnExit();
FileWriter fw = new java.io.FileWriter(file);

String vbs = "On Error Resume Next \r\n\r\n" + "strComputer = \".\"  \r\n"
+ "Set objWMIService = GetObject(\"winmgmts:\" _ \r\n"
+ "    & \"{impersonationLevel=impersonate}!\\\\\" & strComputer & \"\\root\\cimv2\") \r\n"
+ "Set colItems = objWMIService.ExecQuery(\"Select * from Win32_Processor\")  \r\n "
+ "For Each objItem in colItems\r\n " + "    Wscript.Echo objItem.ProcessorId  \r\n "
+ "    exit for  ' do the first cpu only! \r\n" + "Next                    ";

fw.write(vbs);
fw.close();
Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());
BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
while ((line = input.readLine()) != null) {
result += line;
}
input.close();
file.delete();
} catch (Exception e) {
e.fillInStackTrace();
}
if (result.trim().length() < 1 || result == null) {
result = "无CPU_ID被读取";
}
return result.trim();
}
}