Java代碼獲取電腦IP、MAC、各類版本java
package com.rapoo.middle.action; 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 SystemUtil { //經過截取cmd流方式獲得計算機的配置信息(很差) 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(); //讀取進程輸出值 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"));//獲取用戶名 System.out.println(map.get("COMPUTERNAME"));//獲取計算機名 System.out.println(map.get("USERDOMAIN"));//獲取計算機域名 } //獲得計算機的ip地址和mac地址
public static String getMACAddress() throws Exception {數組
InetAddress ia = InetAddress.getLocalHost();網絡
// 得到網絡接口對象(即網卡),並獲得mac地址,mac地址存在於一個byte數組中。app
byte[] mac = NetworkInterface.getByInetAddress(ia).getHardwareAddress();ui
// 下面代碼是把mac地址拼裝成Stringurl
StringBuffer sb = new StringBuffer();spa
for (int i = 0; i < mac.length; i++) {操作系統
if (i != 0) {.net
sb.append("-");unix
}
// mac[i] & 0xFF 是爲了把byte轉化爲正整數
String s = Integer.toHexString(mac[i] & 0xFF);
sb.append(s.length() == 1 ? 0 + s : s);
}
// 把字符串全部小寫字母改成大寫成爲正規的mac地址並返回
return sb.toString().toUpperCase();
}
//獲得計算機的ip,名稱,操做系統名稱,操做系統版本 public static void Config(){ try{ InetAddress addr = InetAddress.getLocalHost(); String ip=addr.getHostAddress().toString(); //獲取本機ip String hostName=addr.getHostName().toString(); //獲取本機計算機名稱 System.out.println("本機IP:"+ip+"\n本機名稱:"+hostName); Properties props=System.getProperties(); System.out.println("操做系統的名稱:"+props.getProperty("os.name")); System.out.println("操做系統的版本:"+props.getProperty("os.version")); }catch(Exception e){ e.printStackTrace(); } } //java環境 public static void all(){ Properties props=System.getProperties(); System.out.println("Java的運行環境版本:"+props.getProperty("java.version")); System.out.println("Java的運行環境供應商:"+props.getProperty("java.vendor")); System.out.println("Java供應商的URL:"+props.getProperty("java.vendor.url")); System.out.println("Java的安裝路徑:"+props.getProperty("java.home")); System.out.println("Java的虛擬機規範版本:"+props.getProperty("java.vm.specification.version")); System.out.println("Java的虛擬機規範供應商:"+props.getProperty("java.vm.specification.vendor")); System.out.println("Java的虛擬機規範名稱:"+props.getProperty("java.vm.specification.name")); System.out.println("Java的虛擬機實現版本:"+props.getProperty("java.vm.version")); System.out.println("Java的虛擬機實現供應商:"+props.getProperty("java.vm.vendor")); System.out.println("Java的虛擬機實現名稱:"+props.getProperty("java.vm.name")); System.out.println("Java運行時環境規範版本:"+props.getProperty("java.specification.version")); System.out.println("Java運行時環境規範供應商:"+props.getProperty("java.specification.vender")); System.out.println("Java運行時環境規範名稱:"+props.getProperty("java.specification.name")); System.out.println("Java的類格式版本號:"+props.getProperty("java.class.version")); System.out.println("Java的類路徑:"+props.getProperty("java.class.path")); System.out.println("加載庫時搜索的路徑列表:"+props.getProperty("java.library.path")); System.out.println("默認的臨時文件路徑:"+props.getProperty("java.io.tmpdir")); System.out.println("一個或多個擴展目錄的路徑:"+props.getProperty("java.ext.dirs")); System.out.println("操做系統的名稱:"+props.getProperty("os.name")); System.out.println("操做系統的構架:"+props.getProperty("os.arch")); System.out.println("操做系統的版本:"+props.getProperty("os.version")); System.out.println("文件分隔符:"+props.getProperty("file.separator"));//在 unix 系統中是"/" System.out.println("路徑分隔符:"+props.getProperty("path.separator"));//在 unix 系統中是":" System.out.println("行分隔符:"+props.getProperty("line.separator"));//在 unix 系統中是"/n" System.out.println("用戶的帳戶名稱:"+props.getProperty("user.name")); System.out.println("用戶的主目錄:"+props.getProperty("user.home")); System.out.println("用戶的當前工做目錄:"+props.getProperty("user.dir")); } public static void main(String[] args) { Config(); // all(); } }