import java.io.InputStreamReader;import java.io.LineNumberReader;import java.util.ArrayList;import java.util.List;import mytools.com.sun.management.OperatingSystemMXBean;import mytools.java.io.File;import mytools.java.lang.management.ManagementFactory;/** * 獲取windows系統(tǒng)信息（CPU,內(nèi)存,文件系統(tǒng)） * @author libing * */public class WindowsInfoUtil {  private static final int CPUTIME = 500;  private static final int PERCENT = 100;  private static final int FAULTLENGTH = 10;  public static void main(String[] args) {  System.out.println(getCpuRatioForWindows());  System.out.println(getMemery());  System.out.println(getDisk()); } //獲取內(nèi)存使用率 public static String getMemery(){ OperatingSystemMXBean osmxb = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean(); // 總的物理內(nèi)存+虛擬內(nèi)存 long totalvirtualMemory = osmxb.getTotalSwapSpaceSize(); // 剩余的物理內(nèi)存 long freePhysicalMemorySize = osmxb.getFreePhysicalMemorySize(); Double compare=(Double)(1-freePhysicalMemorySize*1.0/totalvirtualMemory)*100; String str="內(nèi)存已使用:"+compare.intValue()+"%"; return str; } //獲取文件系統(tǒng)使用率 public static List<String> getDisk() { // 操作系統(tǒng) List<String> list=new ArrayList<String>(); for (char c = 'A'; c <= 'Z'; c++) {  String dirName = c + ":/";  File win = new File(dirName);     if(win.exists()){     long total=(long)win.getTotalSpace();     long free=(long)win.getFreeSpace();     Double compare=(Double)(1-free*1.0/total)*100;     String str=c+":盤(pán) 已使用 "+compare.intValue()+"%";     list.add(str);     }   }    return list; } //獲得cpu使用率 public static String getCpuRatioForWindows() {     try {       String procCmd = System.getenv("windir") + "http://system32//wbem//wmic.exe process get Caption,CommandLine,KernelModeTime,ReadOperationCount,ThreadCount,UserModeTime,WriteOperationCount";       // 取進(jìn)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 "CPU使用率:"+Double.valueOf(PERCENT * (busytime)*1.0 / (busytime + idletime)).intValue()+"%";       } else {         return "CPU使用率:"+0+"%";       }     } catch (Exception ex) {       ex.printStackTrace();       return "CPU使用率:"+0+"%";     }   } //讀取cpu相關(guān)信息  private static 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;        }        // 字段出現(xiàn)順序：Caption,CommandLine,KernelModeTime,ReadOperationCount,        // ThreadCount,UserModeTime,WriteOperation        String caption =substring(line, capidx, cmdidx - 1).trim();        String cmd = substring(line, cmdidx, kmtidx - 1).trim();        if (cmd.indexOf("wmic.exe") >= 0) {          continue;        }        String s1 = substring(line, kmtidx, rocidx - 1).trim();        String s2 = substring(line, umtidx, wocidx - 1).trim();        if (caption.equals("System Idle Process") || caption.equals("System")) {          if (s1.length() > 0)            idletime += Long.valueOf(s1).longValue();          if (s2.length() > 0)            idletime += Long.valueOf(s2).longValue();          continue;        }        if (s1.length() > 0)          kneltime += Long.valueOf(s1).longValue();        if (s2.length() > 0)          usertime += Long.valueOf(s2).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;  }  /**  * 由于String.subString對(duì)漢字處理存在問(wèn)題（把一個(gè)漢字視為一個(gè)字節(jié))，因此在 包含漢字的字符串時(shí)存在隱患，現(xiàn)調(diào)整如下：  * @param src 要截取的字符串  * @param start_idx 開(kāi)始坐標(biāo)（包括該坐標(biāo))  * @param end_idx 截止坐標(biāo)（包括該坐標(biāo)）  * @return  */  private static String substring(String src, int start_idx, int end_idx) {  byte[] b = src.getBytes();  String tgt = "";  for (int i = start_idx; i <= end_idx; i++) {  tgt += (char) b[i];  }  return tgt; }}

private static String getIpAddress() throws UnknownHostException {     InetAddress address = InetAddress.getLocalHost();      return address.getHostAddress();   }

public static String getMACAddress(){      String address = "";      String os = System.getProperty("os.name");     String osUser=System.getProperty("user.name");     if (os != null && os.startsWith("Windows")) {        try {          String command = "cmd.exe /c ipconfig /all";                  Process p = Runtime.getRuntime().exec(command);          BufferedReader br =new BufferedReader(new InputStreamReader(p.getInputStream()));          String line;          while ((line = br.readLine()) != null) {            if (line.indexOf("Physical Address") > 0) {              int index = line.indexOf(":");              index += 2;              address = line.substring(index);              break;            }          }          br.close();          return address.trim();        }        catch (IOException e) {       }      }     return address;    } 

String osUser=System.getProperty("user.name"); 

import java.util.Properties;     Properties props=System.getProperties(); //獲得系統(tǒng)屬性集  String osName = props.getProperty("os.name"); //操作系統(tǒng)名稱(chēng)  String osArch = props.getProperty("os.arch"); //操作系統(tǒng)構(gòu)架  String osVersion = props.getProperty("os.version"); //操作系統(tǒng)版本