【java】 获取计算机信息及Java信息

  1 package com.agen.test1;
  2 
  3 import java.io.BufferedReader;
  4 import java.io.InputStream;
  5 import java.io.InputStreamReader;
  6 import java.net.InetAddress;
  7 import java.net.NetworkInterface;
  8 import java.util.ArrayList;
  9 import java.util.Formatter;
 10 import java.util.List;
 11 import java.util.Locale;
 12 import java.util.Map;
 13 import java.util.Properties;
 14 
 15 public class SixTest {
 16 
 17     
 18           
 19          //通过截取cmd流方式得到计算机的配置信息(不好)  
 20         public static List<String> getIpAddress(){  
 21             Process p = null;  
 22             List<String> address  = new ArrayList<String>();  
 23             try{  
 24                 p = new ProcessBuilder("ipconfig","/all").start();  
 25             }catch(Exception e){  
 26                 return address;  
 27             }  
 28             StringBuffer sb = new StringBuffer();  
 29             //读取进程输出值  
 30             InputStream inputStream = p.getInputStream();  
 31             BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));  
 32             String s = "";  
 33             try{  
 34                 while((s=br.readLine())!=null){  
 35                     sb.append(s+"\n");  
 36                 }  
 37             }catch(Exception e){  
 38                 e.printStackTrace();  
 39             }finally{  
 40                 try{  
 41                     inputStream.close();  
 42                 }catch(Exception e){  
 43                     e.printStackTrace();  
 44                 }  
 45             }  
 46             System.out.println(sb);  
 47             return address;  
 48         }  
 49          
 50         public static void getIpconfig(){  
 51             Map<String,String> map = System.getenv();  
 52             System.out.println("计算机用户名"+map.get("USERNAME"));//获取用户名  
 53             System.out.println("计算机名"+map.get("COMPUTERNAME"));//获取计算机名  
 54             System.out.println("计算机域名"+map.get("USERDOMAIN"));//获取计算机域名  
 55         }  
 56         //得到计算机的ip地址和mac地址  
 57         public static void getConfig(){  
 58             try{  
 59                 InetAddress address = InetAddress.getLocalHost();  
 60                 NetworkInterface ni = NetworkInterface.getByInetAddress(address);  
 61                 //ni.getInetAddresses().nextElement().getAddress();  
 62                 byte[] mac = ni.getHardwareAddress();  
 63                 String sIP = address.getHostAddress();  
 64                 String sMAC = "";  
 65                 Formatter formatter = new Formatter();  
 66                 for (int i = 0; i < mac.length; i++) {  
 67                     sMAC = formatter.format(Locale.getDefault(), "%02X%s", mac[i],  
 68                             (i < mac.length - 1) ? "-" : "").toString();  
 69       
 70                 }  
 71                 System.out.println("IP：" + sIP);  
 72                 System.out.println("MAC：" + sMAC);  
 73             }catch(Exception e){  
 74                 e.printStackTrace();  
 75             }  
 76         }  
 77         //得到计算机的ip,名称,操作系统名称,操作系统版本  
 78         public static void Config(){  
 79             try{  
 80                 InetAddress addr = InetAddress.getLocalHost();   
 81                 String ip=addr.getHostAddress().toString(); //获取本机ip  
 82                 String hostName=addr.getHostName().toString(); //获取本机计算机名称  
 83                 System.out.println("本机IP："+ip+"\n本机名称:"+hostName);  
 84                 Properties props=System.getProperties();  
 85                 System.out.println("操作系统的名称："+props.getProperty("os.name"));  
 86                 System.out.println("操作系统的版本："+props.getProperty("os.version"));   
 87             }catch(Exception e){  
 88                 e.printStackTrace();  
 89             }  
 90         }  
 91         //java环境  
 92         public static void all(){  
 93             Properties props=System.getProperties();  
 94             System.out.println("Java的运行环境版本："+props.getProperty("java.version"));  
 95             System.out.println("Java的运行环境供应商："+props.getProperty("java.vendor"));  
 96             System.out.println("Java供应商的URL："+props.getProperty("java.vendor.url"));  
 97             System.out.println("Java的安装路径："+props.getProperty("java.home"));  
 98             System.out.println("Java的虚拟机规范版本："+props.getProperty("java.vm.specification.version"));  
 99             System.out.println("Java的虚拟机规范供应商："+props.getProperty("java.vm.specification.vendor"));  
100             System.out.println("Java的虚拟机规范名称："+props.getProperty("java.vm.specification.name"));  
101             System.out.println("Java的虚拟机实现版本："+props.getProperty("java.vm.version"));  
102             System.out.println("Java的虚拟机实现供应商："+props.getProperty("java.vm.vendor"));  
103             System.out.println("Java的虚拟机实现名称："+props.getProperty("java.vm.name"));  
104             System.out.println("Java运行时环境规范版本："+props.getProperty("java.specification.version"));  
105             System.out.println("Java运行时环境规范供应商："+props.getProperty("java.specification.vender"));  
106             System.out.println("Java运行时环境规范名称："+props.getProperty("java.specification.name"));  
107             System.out.println("Java的类格式版本号："+props.getProperty("java.class.version"));  
108             System.out.println("Java的类路径："+props.getProperty("java.class.path"));  
109             System.out.println("加载库时搜索的路径列表："+props.getProperty("java.library.path"));  
110             System.out.println("默认的临时文件路径："+props.getProperty("java.io.tmpdir"));  
111             System.out.println("一个或多个扩展目录的路径："+props.getProperty("java.ext.dirs"));  
112             System.out.println("操作系统的名称："+props.getProperty("os.name"));  
113             System.out.println("操作系统的构架："+props.getProperty("os.arch"));  
114             System.out.println("操作系统的版本："+props.getProperty("os.version"));  
115             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"));  
116             System.out.println("用户的主目录："+props.getProperty("user.home"));  
117             System.out.println("用户的当前工作目录："+props.getProperty("user.dir"));  
118         }  
119         public static void main(String[] args) {  
120             getIpconfig();
121             System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
122             getConfig();
123             System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
124             Config();
125             System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
126             all();  
127         }  
128           
129     
130 }