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java 获得计算机的硬件信息

2011-09-20 21:27阅读：

http://blog.sina.cn/dpool/blog/u/1290755195


windows下获取系统硬件信息，代码已测试===================================
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
public class Test {
public static String[] getInfor() {
String address = '';
String ip = '';
String sysname = '';
String name = '';
String username = '';
String []all = new String[5];
String os = System.getProperty('os.name');
if (os != null && os.startsWith('Windows')) {
try {
ProcessBuilder pb = new ProcessBuilder('ipconfig', '/all');
Process p = pb.start();
BufferedReader br = new BufferedReader(new InputStreamReader(p
.getInputStream()));
String line;
while ((line = br.readLine()) != null) {
if (line.indexOf('Physical Address') != -1) {
int index = li
ne.indexOf(':');
address = line.substring(index + 1);
}
if (line.indexOf('IP Address') != -1) {
int index = line.indexOf(':');
ip = line.substring(index + 1);
}
}
br.close();
List <String> command = new ArrayList<String>();
command.add('net');
command.add('config');
command.add('workstation');
pb.command(command);
p = pb.start();
br = new BufferedReader(new InputStreamReader(p
.getInputStream()));
int index;
while ((line = br.readLine()) != null) {
if ((index = line.indexOf('计算机全名')) != -1) {
name = line.substring(index + 5);
}
if ((index = line.indexOf('用户名')) != -1) {
username = line.substring(index + 4);
}
if ((index = line.indexOf('计算机名')) != -1) {
sysname = line.substring(index + 4);
}
}
all[0] = address.trim();
all[1] = ip.trim();
all[2] = sysname.trim();
all[3] = name.trim();
all[4] = username.trim();
} catch (IOException e) {
}
}
return all;
}
public static void main(String[] args) throws UnknownHostException {
String []result = Test.getInfor();
for(String s : result)
System.out.println(s);
}
}
linux下获取系统硬件信息，代码未测试===================================
IMonitorService接口：
public interface IMonitorService {
public MonitorInfoBean getMonitorInfoBean() throws Exception;
}
MonitorInfoBean类：
public class MonitorInfoBean implements Comparable<MonitorInfoBean> {
private String osName;
private float totalMemorySize;
private float usedMemory;
private double cpuRatio;
private String mIpAddress;
private String dDateTime;
private float memoryRatio;
private float buffersMemory;
private float cachedMemory;
public float getBuffersMemory() {
return buffersMemory;
}
public float getCachedMemory() {
return cachedMemory;
}
public String getDDateTime() {
return dDateTime;
}
public void setDDateTime(String dateTime) {
dDateTime = dateTime;
}
public String getMIpAddress() {
return mIpAddress;
}
public void setMIpAddress(String ipAddress) {
mIpAddress = ipAddress;
}
public String getOsName() {
return osName;
}
public void setOsName(String osName) {
this.osName = osName;
}
public float getTotalMemorySize() {
return totalMemorySize;
}
public void setTotalMemorySize(float totalMemorySize) {
this.totalMemorySize = totalMemorySize;
}
public float getUsedMemory() {
return usedMemory;
}
public void setUsedMemory(long usedMemory) {
this.usedMemory = usedMemory;
}
public double getCpuRatio() {
return cpuRatio;
}
public void setCpuRatio(double cpuRatio) {
this.cpuRatio = cpuRatio;
}
public int compareTo(MonitorInfoBean m) {
String stra = this.getDDateTime();
String strb = m.getDDateTime();
Timestamp a = Timestamp.valueOf(stra);
Timestamp b = Timestamp.valueOf(strb);
if (a.before(b)) {
return -1;
} else if (a.after(b)) {
return 1;
} else {
return 0;
}
}
public float getMemoryRatio() {
return memoryRatio;
}
public void setMemoryRatio(float memoryRatio) {
this.memoryRatio = memoryRatio;
}
public void setUsedMemory(float usedMemory) {
this.usedMemory = usedMemory;
}
public void setBuffersMemory(float buffersMemory) {
this.buffersMemory = buffersMemory;
}
public void setCachedMemory(float cachedMemory) {
this.cachedMemory = cachedMemory;
}
}
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.StringTokenizer;
import sun.management.ManagementFactory;
import com.sun.management.OperatingSystemMXBean;
public class MonitorServiceImpll implements IMonitorService {
private static final int CPUTIME = 30;
private static final int PERCENT = 100;
private static final int FAULTLENGTH = 10;
private static String osVersion = null;
private String mIpAddress = null;
private String dDateTime = null;
private float totalMemorySize = 0.0f;
private float buffersMemory = 0.0f;
private float cachedMemory = 0.0f;
private float usedMemory = 0.0f;
private float memoryRatio;

public MonitorInfoBean getMonitorInfoBean() throws Exception {
int kb = 1024;
CountDate ddate = new CountDate();
osVersion = System.getProperty('os.version');
OperatingSystemMXBean osmxb = (OperatingSystemMXBean) ManagementFactory
.getOperatingSystemMXBean();
// 操作系统
String osName = System.getProperty('os.name');
// 主机IP
if (osName.toLowerCase().startsWith('windows')) {
mIpAddress = this.getWindowsIp();
} else {
mIpAddress = this.getLinuxIP();
}
if (osName.toLowerCase().startsWith('windows')) {
// 总的物理内存
float totalPhysicalMemorySize = osmxb.getTotalPhysicalMemorySize()
/ kb;
float usedPhysicalMemorySize = (osmxb.getTotalPhysicalMemorySize() - osmxb
.getFreePhysicalMemorySize())
/ kb;
totalMemorySize = Float.parseFloat(String.format('%.1f',
totalPhysicalMemorySize));
// 已使用的物理内存
usedMemory = Float.parseFloat(String.format('%.1f',
usedPhysicalMemorySize));
// windows内存使用率
memoryRatio = Float.parseFloat(String.format('%.1f',
(usedMemory / totalMemorySize) * 100));
} else {
float[] result = null;
result = getLinuxMemInfo();
totalMemorySize = Float
.parseFloat(String.format('%.1f', result[0]));
buffersMemory = Float.parseFloat(String.format('%.1f', result[1]));
cachedMemory = Float.parseFloat(String.format('%.1f', result[2]));
usedMemory = totalMemorySize - result[3];
// linux内存使用率
memoryRatio = Float
.parseFloat(String
.format(
'%.1f',
((usedMemory - (cachedMemory + buffersMemory)) / totalMemorySize) * 100));
}
// 获得cpu频率
double cpuRatio = 0;
if (osName.toLowerCase().startsWith('windows')) {
cpuRatio = this.getCpuRatioForWindows();
} else {
cpuRatio = this.getCpuRateForLinux();
}

dDateTime = ddate.getCurrentYMDHMS();
// 构造返回对象
MonitorInfoBean infoBean = new MonitorInfoBean();
infoBean.setOsName(osName);
infoBean.setCpuRatio(cpuRatio);
infoBean.setMIpAddress(mIpAddress);
infoBean.setDDateTime(dDateTime);
infoBean.setBuffersMemory(buffersMemory);
infoBean.setCachedMemory(cachedMemory);
infoBean.setUsedMemory(usedMemory);
infoBean.setTotalMemorySize(totalMemorySize);
infoBean.setMemoryRatio(memoryRatio);
return infoBean;
}

public String getLinuxIP() {
String ip = '';
try {
Enumeration<?> e1 = (Enumeration<?>) NetworkInterface
.getNetworkInterfaces();
while (e1.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface) e1.nextElement();
if (!ni.getName().equals('eth0')) {
continue;
} else {
Enumeration<?> e2 = ni.getInetAddresses();
while (e2.hasMoreElements()) {
InetAddress ia = (InetAddress) e2.nextElement();
if (ia instanceof Inet6Address)
continue;
ip = ia.getHostAddress();
}
break;
}
}
} catch (SocketException e) {
e.printStackTrace();
System.exit(-1);
}
return ip;
}
public String getWindowsIp() {
String ip = '';
try {
ip = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
e.printStackTrace();
}
return ip;
}

private double getCpuRateForLinux() {
InputStream is = null;
InputStreamReader isr = null;
BufferedReader brStat = null;
StringTokenizer tokenStat = null;
try {

Process process = Runtime.getRuntime().exec('top -b -n 1');
is = process.getInputStream();
isr = new InputStreamReader(is);
brStat = new BufferedReader(isr);
if (osVersion.startsWith('2.4')) {
brStat.readLine();
brStat.readLine();
brStat.readLine();
brStat.readLine();
tokenStat = new StringTokenizer(brStat.readLine());
tokenStat.nextToken();
tokenStat.nextToken();
String user = tokenStat.nextToken();
tokenStat.nextToken();
String system = tokenStat.nextToken();
tokenStat.nextToken();
String nice = tokenStat.nextToken();
user = user.substring(0, user.indexOf('%'));
system = system.substring(0, system.indexOf('%'));
nice = nice.substring(0, nice.indexOf('%'));
float userUsage = new Float(user).floatValue();
float systemUsage = new Float(system).floatValue();
float niceUsage = new Float(nice).floatValue();
return (userUsage + systemUsage + niceUsage) / 100;
} else {
brStat.readLine();
brStat.readLine();
tokenStat = new StringTokenizer(brStat.readLine());
tokenStat.nextToken();
tokenStat.nextToken();
tokenStat.nextToken();
tokenStat.nextToken();
String cpuUsage = tokenStat.nextToken();
Float usage = new Float(cpuUsage.substring(0, cpuUsage
.indexOf('%')));
return ((1 - usage.floatValue() / 100) * 100);
}
} catch (IOException ioe) {
System.out.println(ioe.getMessage());
freeResource(is, isr, brStat);
return 1;
} finally {
freeResource(is, isr, brStat);
}
}
private static void freeResource(InputStream is, InputStreamReader isr,
BufferedReader br) {
try {
if (is != null)
is.close();
if (isr != null)
isr.close();
if (br != null)
br.close();
} catch (IOException ioe) {
System.out.println(ioe.getMessage());
}
}

private double getCpuRatioForWindows() {
try {
mIpAddress = InetAddress.getLocalHost().getHostAddress();
String procCmd = System.getenv('windir')
+ '\\system32\\wbem\\wmic.exe process get Caption,CommandLine,'
+ 'KernelModeTime,ReadOperationCount,ThreadCount,UserModeTime,WriteOperationCount';
// 取进程信息
long[] c0 = readCpu(Runtime.getRuntime().exec(procCmd));
Thread.sleep(CPUTIME);
long[] c1 = readCpu(Runtime.getRuntime().exec(procCmd));
if (c0 != null && c1 != null) {
long idletime = c1[0] - c0[0];
long busytime = c1[1] - c0[1];
return Double.valueOf(
PERCENT * (busytime) / (busytime + idletime))
.doubleValue();
} else {
return 0.0;
}
} catch (Exception ex) {
ex.printStackTrace();
return 0.0;
}
}

private long[] readCpu(final Process proc) {
long[] retn = new long[2];
try {
proc.getOutputStream().close();
InputStreamReader ir = new InputStreamReader(proc.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
String line = input.readLine();
if (line == null || line.length() < FAULTLENGTH) {
return null;
}
int capidx = line.indexOf('Caption');
int cmdidx = line.indexOf('CommandLine');
int rocidx = line.indexOf('ReadOperationCount');
int umtidx = line.indexOf('UserModeTime');
int kmtidx = line.indexOf('KernelModeTime');
int wocidx = line.indexOf('WriteOperationCount');
long idletime = 0;
long kneltime = 0;
long usertime = 0;
while ((line = input.readLine()) != null) {
if (line.length() < wocidx) {
continue;
}
// 字段出现顺序：Caption,CommandLine,KernelModeTime,ReadOperationCount,
// ThreadCount,UserModeTime,WriteOperation
String caption = Bytes.substring(line, capidx, cmdidx - 1)
.trim();
String cmd = Bytes.substring(line, cmdidx, kmtidx - 1).trim();
if (cmd.indexOf('wmic.exe') >= 0) {
continue;
}
// log.info('line='+line);
if (caption.equals('System Idle Process')
|| caption.equals('System')) {
idletime += Long.valueOf(
Bytes.substring(line, kmtidx, rocidx - 1).trim())
.longValue();
idletime += Long.valueOf(
Bytes.substring(line, umtidx, wocidx - 1).trim())
.longValue();
continue;
}
kneltime += Long.valueOf(
Bytes.substring(line, kmtidx, rocidx - 1).trim())
.longValue();
usertime += Long.valueOf(
Bytes.substring(line, umtidx, wocidx - 1).trim())
.longValue();
}
retn[0] = idletime;
retn[1] = kneltime + usertime;
return retn;
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
proc.getInputStream().close();
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
}
public float[] getLinuxMemInfo() {
File file = new File('/proc/meminfo');
float result[] = new float[4];
try {
BufferedReader br = new BufferedReader(new InputStreamReader(
new FileInputStream(file)));
String str = null;
StringTokenizer token = null;
while ((str = br.readLine()) != null) {
token = new StringTokenizer(str);
if (!token.hasMoreTokens()) {
continue;
}
str = token.nextToken();
if (!token.hasMoreTokens()) {
continue;
}
if (str.equalsIgnoreCase('MemTotal:')) {
result[0] = Long.parseLong(token.nextToken());
}
if (str.equalsIgnoreCase('Buffers:')) {
result[1] = Long.parseLong(token.nextToken());
}
if (str.equalsIgnoreCase('Cached:')) {
result[2] = Long.parseLong(token.nextToken());
}
if (str.equalsIgnoreCase('MemFree:')) {
result[3] = Long.parseLong(token.nextToken());
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}

public static void information() {
MonitorInfoBean monitorInfo = null;
IMonitorService service = new MonitorServiceImpl();

try {
monitorInfo = service.getMonitorInfoBean();
} catch (Exception e) {
e.printStackTrace();
}
String osName = monitorInfo.getOsName();
String cpuRatio = String.valueOf(monitorInfo.getCpuRatio());
String mIpAddress = monitorInfo.getMIpAddress();
String memoryRatio = String.valueOf(monitorInfo.getMemoryRatio());
String dDateTime = monitorInfo.getDDateTime();
System.out.println('操作系统名字：'+osName);
System.out.println('cpu使用频率:'+cpuRatio);
System.out.println('内存使用率:'+memoryRatio);
System.out.println('主机IP地址:'+mIpAddress);
System.out.println('获取数据时间:'+dDateTime);
}
public static void main(String[] args) {
MonitorServiceImpl.information();
}
}
CountDate类
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class CountDate {
private String currentMonth;
private String nextMonth;
private String currentYear;
private String nextYear;
private String currentYM;
private String currentYMDHMS;
private Date currentYMDHMSs;
private String nextYMDHMS;
public String getCurrentMonth() {
Calendar rightNow = Calendar.getInstance();
if (String.valueOf(rightNow.get(Calendar.MONTH) + 1).length() > 1) {
this.currentMonth = String
.valueOf(rightNow.get(Calendar.MONTH) + 1);
return currentMonth;
}
this.currentMonth = '0'
+ String.valueOf(rightNow.get(Calendar.MONTH) + 1);
return currentMonth;
}
public String getCurrentYear() {
Calendar rightNow = Calendar.getInstance();
this.currentYear = String.valueOf(rightNow.get(Calendar.YEAR));
return currentYear;
}
public String getCurrentYMDHMS() {
SimpleDateFormat sdf = new SimpleDateFormat('yyyy-MM-dd HH:mm:ss');
Timestamp t = new Timestamp(Calendar.getInstance().getTimeInMillis());
this.currentYMDHMS = sdf.format(t);
return currentYMDHMS;
}
public Date getCurrentYMDHMSs() {
Timestamp t = new Timestamp(Calendar.getInstance().getTimeInMillis());
currentYMDHMSs = t;
return currentYMDHMSs;
}
public String getNextMonth() {
Calendar rightNow = Calendar.getInstance();
if ((rightNow.get(Calendar.MONTH) + 1) == 12) {
this.nextMonth = '01';
this.nextYear = String.valueOf(rightNow.get(Calendar.YEAR) + 1);
return nextMonth;
}
if (String.valueOf(rightNow.get(Calendar.MONTH) + 2).length() > 1) {
this.nextMonth = String.valueOf(rightNow.get(Calendar.MONTH) + 2);
return nextMonth;
}
this.nextMonth = '0' + String.valueOf(rightNow.get(Calendar.MONTH) + 2);
return nextMonth;
}
public String getNextYear() {
Calendar rightNow = Calendar.getInstance();
if ((rightNow.get(Calendar.MONTH) + 1) == 12) {
this.nextMonth = '01';
this.nextYear = String.valueOf(rightNow.get(Calendar.YEAR) + 1);
return nextYear;
}
this.nextYear = String.valueOf(rightNow.get(Calendar.YEAR));
return nextYear;
}
public String getNextYMDHMS() {
nextYear = getNextYear();
nextMonth = getNextMonth();
this.nextYMDHMS = nextYear + '-' + nextMonth + '-' + '01 00:00:00';
return nextYMDHMS;
}
public String getCurrentMonth(int pcurrentMonth) {
if (pcurrentMonth % 12 > 1 || (pcurrentMonth % 12 == 1)) {
if (String.valueOf((pcurrentMonth % 12)).length() > 1) {
this.currentMonth = String.valueOf((pcurrentMonth % 12));
} else {
this.currentMonth = '0' + String.valueOf((pcurrentMonth % 12));
return currentMonth;
}
}
if (String.valueOf(pcurrentMonth).length() > 1) {
this.currentMonth = String.valueOf(pcurrentMonth);
} else {
this.currentMonth = '0' + String.valueOf(pcurrentMonth);
}
return currentMonth;
}
public String getCurrentYear(int pcurrentMonth, int pcurrentYear) {
if (pcurrentMonth % 12 > 1 || (pcurrentMonth % 12 == 1)) {
if (String.valueOf((pcurrentMonth % 12)).length() > 1) {
this.currentMonth = String.valueOf((pcurrentMonth % 12));
} else {
this.currentMonth = '0' + String.valueOf((pcurrentMonth % 12));
}
this.currentYear = String
.valueOf(pcurrentMonth / 12 + pcurrentYear);
return currentYear;
}
return this.currentYear = String.valueOf(pcurrentYear);
}
public String getCurrentYMDHMS(int pcurrentMonth, int pcurrentYear) {
if ((pcurrentMonth % 12 > 1) || (pcurrentMonth % 12 == 1)) {
if (String.valueOf((pcurrentMonth % 12)).length() > 1) {
this.currentMonth = String.valueOf((pcurrentMonth % 12));
} else {
this.currentMonth = '0' + String.valueOf((pcurrentMonth % 12));
}
this.currentYear = String
.valueOf(pcurrentMonth / 12 + pcurrentYear);
this.currentYMDHMS = currentYear + '-' + currentMonth + '-'
+ '01 00:00:00';
return currentYMDHMS;
}
if (String.valueOf(pcurrentMonth).length() > 1) {
this.currentMonth = String.valueOf(pcurrentMonth);
} else {
this.currentMonth = '0' + String.valueOf(pcurrentMonth);
}
this.currentYear = String.valueOf(pcurrentYear);
this.currentYMDHMS = currentYear + '-' + currentMonth + '-'
+ '01 00:00:00';
return currentYMDHMS;
}
public Date getCurrentYMDHMSs(int pcurrentMonth, int pcurrentYear) {
if (pcurrentMonth % 12 > 1 || (pcurrentMonth % 12 == 1)) {
if (String.valueOf((pcurrentMonth % 12)).length() > 1) {
this.currentMonth = String.valueOf((pcurrentMonth % 12));
} else {
this.currentMonth = '0' + String.valueOf((pcurrentMonth % 12));
}
this.currentYear = String
.valueOf(pcurrentMonth / 12 + pcurrentYear);
this.currentYMDHMSs = Timestamp.valueOf(currentYear + '-'
+ currentMonth + '-' + '01 00:00:00.0');
return currentYMDHMSs;
}
if (String.valueOf(pcurrentMonth).length() > 1) {
this.currentMonth = String.valueOf(pcurrentMonth);
} else {
this.currentMonth = '0' + String.valueOf(pcurrentMonth);
}
this.currentYear = String.valueOf(pcurrentYear);
this.currentYMDHMSs = Timestamp.valueOf(currentYear + '-'
+ currentMonth + '-' + '01 00:00:00.0');
return currentYMDHMSs;
}
public String getNextYMDHMS(int pcurrentMonth, int pcurrentYear) {
if ((pcurrentMonth % 12 > 1) || (pcurrentMonth % 12 == 1)) {
if (String.valueOf((pcurrentMonth % 12)).length() > 1) {
this.currentMonth = String.valueOf((pcurrentMonth % 12));
} else {
this.currentMonth = '0' + String.valueOf((pcurrentMonth % 12));
}
this.currentYear = String
.valueOf(pcurrentMonth / 12 + pcurrentYear);
if (String.valueOf(Integer.parseInt(currentMonth) + 1).length() > 1) {
this.nextMonth = String
.valueOf(Integer.parseInt(currentMonth) + 1);
} else {
this.nextMonth = '0'
+ String.valueOf(Integer.parseInt(currentMonth) + 1);
}
this.nextYear = currentYear;
this.nextYMDHMS = nextYear + '-' + nextMonth + '-' + '01 00:00:00';
return nextYMDHMS;
}
if (pcurrentMonth == 12) {
this.nextMonth = '01';
this.nextYear = String.valueOf(pcurrentYear + 1);
this.nextYMDHMS = nextYear + '-' + nextMonth + '-' + '01 00:00:00';
return nextYMDHMS;
}
if (String.valueOf(pcurrentMonth + 1).length() > 1) {
this.nextMonth = String.valueOf(pcurrentMonth + 1);
this.nextYear = String.valueOf(pcurrentYear);
this.nextYMDHMS = nextYear + '-' + nextMonth + '-' + '01 00:00:00';
return nextYMDHMS;
}
this.nextMonth = '0' + String.valueOf(pcurrentMonth + 1);
this.nextYear = String.valueOf(pcurrentYear);
this.nextYMDHMS = nextYear + '-' + nextMonth + '-' + '01 00:00:00';
return nextYMDHMS;
}
public String getCurrentYM() {
SimpleDateFormat sdf = new SimpleDateFormat('yyyy年MM月');
Timestamp t = new Timestamp(Calendar.getInstance().getTimeInMillis());
this.currentYM = sdf.format(t);
return currentYM;
}
public String getCurrentYM(int pcurrentMonth, int pcurrentYear) {
if (pcurrentMonth % 12 > 1 || (pcurrentMonth % 12 == 1)) {
if (String.valueOf(pcurrentMonth % 12).length() > 1) {
this.currentMonth = String.valueOf((pcurrentMonth % 12));
} else {
this.currentMonth = '0' + String.valueOf((pcurrentMonth % 12));
}
this.currentYear = String
.valueOf(pcurrentMonth / 12 + pcurrentYear);
this.currentYM = currentYear + '年' + currentMonth + '月';
return currentYM;
}
if (String.valueOf(pcurrentMonth).length() > 1) {
this.currentMonth = String.valueOf(pcurrentMonth);
} else {
this.currentMonth = '0' + String.valueOf(pcurrentMonth);
}
this.currentYear = String.valueOf(pcurrentYear);
this.currentYM = currentYear + '年' + currentMonth + '月';
return currentYM;
}
}
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