JAVA获取计算机的IP、名称、操作系统等信息
- import java.io.BufferedReader;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.net.InetAddress;
- import java.net.NetworkInterface;
- import java.util.ArrayList;
- import java.util.Formatter;
- import java.util.List;
- import java.util.Locale;
- import java.util.Map;
- import java.util.Properties;
- public class getComputer {
- //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) {
- all();
- }
- }