【java】 获取计算机信息及Java信息

获取计算机名称，操作系统信息，java信息

package com.agen.test1;

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 SixTest {

    
          
         //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+"
");  
                }  
            }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("计算机用户名"+map.get("USERNAME"));//获取用户名  
            System.out.println("计算机名"+map.get("COMPUTERNAME"));//获取计算机名  
            System.out.println("计算机域名"+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+"
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();
            System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
            getConfig();
            System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
            Config();
            System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
            all();  
        }  
          
    
}