Java获取本地计算机基本信息

public class ApplicationTest {

//通过截取cmd流方式得到计算机的配置信息(不好)

public static List<String> getIpAddress(){

Process p = null;

List<String> address = new ArrayList<String>();

try{

p = new ProcessBuilder("ipconfig","/all").start();

}catch(Exception e){

return address;

}

StringBuffer sb = new StringBuffer();

//读取进程输出值

InputStream inputStream = p.getInputStream();

BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));

String s = "";

try{

while((s=br.readLine())!=null){

sb.append(s+"\n");

}

}catch(Exception e){

e.printStackTrace();

}finally{

try{

inputStream.close();

}catch(Exception e){

e.printStackTrace();

}

}

System.out.println(sb);

return address;

}

public static void getIpconfig(){

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

System.out.println(map.get("USERNAME"));//获取用户名

System.out.println(map.get("COMPUTERNAME"));//获取计算机名

System.out.println(map.get("USERDOMAIN"));//获取计算机域名

}

//得到计算机的ip地址和mac地址

public static void getConfig(){

try{

InetAddress address = InetAddress.getLocalHost();

NetworkInterface ni = NetworkInterface.getByInetAddress(address);

//ni.getInetAddresses().nextElement().getAddress();

byte[] mac = ni.getHardwareAddress();

String sIP = address.getHostAddress();

String sMAC = "";

Formatter formatter = new Formatter();

for (int i = 0; i < mac.length; i++) {

sMAC = formatter.format(Locale.getDefault(), "%02X%s", mac[i],

(i < mac.length - 1) ? "-" : "").toString();

}

System.out.println("IP：" + sIP);

System.out.println("MAC：" + sMAC);

}catch(Exception e){

e.printStackTrace();

}

}

//得到计算机的ip,名称,操作系统名称,操作系统版本

public static void Config(){

try{

InetAddress addr = InetAddress.getLocalHost();

String ip=addr.getHostAddress().toString(); //获取本机ip

String hostName=addr.getHostName().toString(); //获取本机计算机名称

System.out.println("本机IP："+ip+"\n本机名称:"+hostName);

Properties props=System.getProperties();

System.out.println("操作系统的名称："+props.getProperty("os.name"));

System.out.println("操作系统的版本："+props.getProperty("os.version"));

}catch(Exception e){

e.printStackTrace();

}

}

//java环境

public static void all(){

Properties props=System.getProperties();

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"));

}

public static void main(String[] args) {

getIpconfig();

getIpAddress();

// Config();

// all();

}

}