java 获取系统参数

本文全部转载自: http://www.cnblogs.com/wuhenke/archive/2011/11/19/2255400.html

获取JRE系统相关参数

 java 通过System.getProperties()获取系统参数

  Properties props=System.getProperties(); //系统属性

//   Set<Object> keySet = sysProperty.keySet();//   for (Object object : keySet) {//    String property = sysProperty.getProperty(object.toString());//    System.out.println(object.toString()+" : "+property);//   }   System.out.println("Java的运行环境版本："+props.getProperty("java.version"));   System.out.println("Java的运行环境供应商："+props.getProperty("java.vendor"));   System.out.println("Java供应商的URL："+props.getProperty("java.vendor.url"));   System.out.println("Java的安装路径："+props.getProperty("java.home"));   System.out.println("Java的虚拟机规范版本："+props.getProperty("java.vm.specification.version"));   System.out.println("Java的虚拟机规范供应商："+props.getProperty("java.vm.specification.vendor"));   System.out.println("Java的虚拟机规范名称："+props.getProperty("java.vm.specification.name"));   System.out.println("Java的虚拟机实现版本："+props.getProperty("java.vm.version"));   System.out.println("Java的虚拟机实现供应商："+props.getProperty("java.vm.vendor"));   System.out.println("Java的虚拟机实现名称："+props.getProperty("java.vm.name"));   System.out.println("Java运行时环境规范版本："+props.getProperty("java.specification.version"));   System.out.println("Java运行时环境规范供应商："+props.getProperty("java.specification.vender"));   System.out.println("Java运行时环境规范名称："+props.getProperty("java.specification.name"));   System.out.println("Java的类格式版本号："+props.getProperty("java.class.version"));   System.out.println("Java的类路径："+props.getProperty("java.class.path"));   System.out.println("加载库时搜索的路径列表："+props.getProperty("java.library.path"));   System.out.println("默认的临时文件路径："+props.getProperty("java.io.tmpdir"));   System.out.println("一个或多个扩展目录的路径："+props.getProperty("java.ext.dirs"));   System.out.println("操作系统的名称："+props.getProperty("os.name"));   System.out.println("操作系统的构架："+props.getProperty("os.arch"));   System.out.println("操作系统的版本："+props.getProperty("os.version"));   System.out.println("文件分隔符："+props.getProperty("file.separator"));   //在 unix 系统中是＂／＂   System.out.println("路径分隔符："+props.getProperty("path.separator"));   //在 unix 系统中是＂:＂   System.out.println("行分隔符："+props.getProperty("line.separator"));   //在 unix 系统中是＂/n＂   System.out.println("用户的账户名称："+props.getProperty("user.name"));   System.out.println("用户的主目录："+props.getProperty("user.home"));   System.out.println("用户的当前工作目录："+props.getProperty("user.dir")); 

二、获取系统环境变量

　　Map<String, String> getenv = System.getenv();

 

三、获取IP、 计算机名、MAC、 硬盘卷序号

 

package com.geocompass.geosearch.tools;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.InetAddress;import java.net.NetworkInterface;import java.net.SocketException;import java.net.UnknownHostException;import java.util.Properties;/** * 获取当前系统信息 * @author gxsn * */public class SystemInfo {    //当前实例    private static SystemInfo currentSystem=null;    private  InetAddress localHost=null;        private SystemInfo()    {        try {            localHost = InetAddress.getLocalHost();        } catch (UnknownHostException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }        /**     * 单例模式获取对象     * @return     */    public static SystemInfo getInstance()    {        if(currentSystem==null)            currentSystem= new SystemInfo();        return currentSystem;    }    /**     * 本地IP     * @return IP地址     */    public String getIP()    {        String ip=localHost.getHostAddress();        return ip;    }    /**     * 获取用户机器名称     * @return     */    public String getHostName()    {        return localHost.getHostName();    }        /**     * 获取C盘卷 序列号     * @return     */    public String getDiskNumber()    {          String line = "";          String HdSerial = "";//记录硬盘序列号          try {           Process proces = Runtime.getRuntime().exec("cmd /c dir c:");//获取命令行参数           BufferedReader buffreader = new BufferedReader(             new InputStreamReader(proces.getInputStream()));           while ((line = buffreader.readLine()) != null) {            if (line.indexOf("卷的序列号是 ") != -1) {  //读取参数并获取硬盘序列号             HdSerial = line.substring(line.indexOf("卷的序列号是 ")               + "卷的序列号是 ".length(), line.length());             break;            }           }          } catch (IOException e) {           // TODO Auto-generated catch block           e.printStackTrace();          }          return HdSerial;    }        /**     * 获取Mac地址     * @return Mac地址，例如：F0-4D-A2-39-24-A6     */    public String getMac()    {        NetworkInterface byInetAddress;        try {            byInetAddress = NetworkInterface.getByInetAddress(localHost);            byte[] hardwareAddress = byInetAddress.getHardwareAddress();            return getMacFromBytes(hardwareAddress);        } catch (SocketException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        return null;            }        /**     * 获取当前系统名称     * @return 当前系统名，例如： windows xp     */    public String getSystemName()    {        Properties sysProperty = System.getProperties();        //系统名称        String systemName=sysProperty.getProperty("os.name");        return systemName;    }        private  String getMacFromBytes(byte[] bytes)    {        StringBuffer mac=new StringBuffer();        byte currentByte;        boolean first=false;        for (byte b : bytes) {            if(first)            {                mac.append("-");                }            currentByte=(byte)((b&240)>>4);            mac.append(Integer.toHexString(currentByte));            currentByte=(byte)(b&15);            mac.append(Integer.toHexString(currentByte));            first=true;        }        return mac.toString().toUpperCase();    }}

四、执行系统命令 jar包

Sigar.jar  参见：http://sourceforge.net/projects/sigar/files/

 

五、获取端口号

 

  public static String getOpenPorts() {    String line = "";    String HdSerial = "";//记录硬盘序列号    StringBuffer buf = new StringBuffer("");    try {     Process proces = Runtime.getRuntime().exec("cmd /c netstat -a");//获取命令行参数     BufferedReader buffreader = new BufferedReader(       new InputStreamReader(proces.getInputStream()));        while ((line = buffreader.readLine()) != null) {      buf.append(line+"\n");      System.out.println(line);      }    } catch (IOException e) {     // TODO Auto-generated catch block     e.printStackTrace();    }    return buf.toString();   }    VBS文件获取硬盘系列号 public static String getSerialNumber(String drive) {    String result = "";      try {        File file = File.createTempFile("realhowto",".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";  // see note        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();      }      catch(Exception e){          e.printStackTrace();      }      return result.trim();    }