Java获取当前计算机信息

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
package com.fanke.sms.util;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.*;

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"));
}
}