{"id":12365,"date":"2024-03-15T16:00:45","date_gmt":"2024-03-15T07:00:45","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-jsp%e3%81%a7%e3%82%af%e3%83%a9%e3%82%a4%e3%82%a2%e3%83%b3%e3%83%88%e3%81%ae%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%82%ab%e3%83%bc%e3%83%89%e3%81%aemac%e3%82%a2%e3%83%89%e3%83%ac\/"},"modified":"2025-08-05T12:07:37","modified_gmt":"2025-08-05T03:07:37","slug":"java-jsp%e3%81%a7%e3%82%af%e3%83%a9%e3%82%a4%e3%82%a2%e3%83%b3%e3%83%88%e3%81%ae%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%82%ab%e3%83%bc%e3%83%89%e3%81%aemac%e3%82%a2%e3%83%89%e3%83%ac","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-jsp%e3%81%a7%e3%82%af%e3%83%a9%e3%82%a4%e3%82%a2%e3%83%b3%e3%83%88%e3%81%ae%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%82%ab%e3%83%bc%e3%83%89%e3%81%aemac%e3%82%a2%e3%83%89%e3%83%ac\/","title":{"rendered":"Java\/JSP\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b3\u3064\u306e\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002"},"content":{"rendered":"

Java\/JSP\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e3\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n

Java\u306eNetworkInterface\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\uff1a\u3053\u308c\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001NetworkInterface\u30af\u30e9\u30b9\u306egetHardwareAddress()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066MAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\uff1a<\/p>\n

import java.net.NetworkInterface;\r\nimport java.net.SocketException;\r\n\r\npublic class GetMacAddress {\r\n    public static void main(String[] args) {\r\n        try {\r\n            \/\/ \u83b7\u53d6\u672c\u5730\u7f51\u7edc\u63a5\u53e3\u5bf9\u8c61\r\n            NetworkInterface networkInterface = NetworkInterface.getByName(\"eth0\");\r\n\r\n            \/\/ \u83b7\u53d6MAC\u5730\u5740\r\n            byte[] mac = networkInterface.getHardwareAddress();\r\n\r\n            \/\/ \u5c06MAC\u5730\u5740\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\r\n            StringBuilder macAddress = new StringBuilder();\r\n            for (int i = 0; i < mac.length; i++) {\r\n                macAddress.append(String.format(\"%02X%s\", mac[i], (i < mac.length - 1) ? \"-\" : \"\"));\r\n            }\r\n\r\n            System.out.println(\"MAC\u5730\u5740\uff1a\" + macAddress.toString());\r\n        } catch (SocketException e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
2\u3001Java\u306eInetAddress\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\uff1aInetAddress\u30af\u30e9\u30b9\u306egetLocalHost()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30ed\u30fc\u30ab\u30eb\u30db\u30b9\u30c8\u306eInetAddress\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3057\u3001\u6b21\u306bgetHostName()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30db\u30b9\u30c8\u540d\u3092\u53d6\u5f97\u3057\u3001getByName()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066InetAddress\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3057\u3001\u6700\u5f8c\u306bgetHardwareAddress()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066MAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\uff1a<\/p>\n
import java.net.InetAddress;\r\nimport java.net.NetworkInterface;\r\nimport java.net.SocketException;\r\n\r\npublic class GetMacAddress {\r\n    public static void main(String[] args) {\r\n        try {\r\n            \/\/ \u83b7\u53d6\u672c\u5730\u4e3b\u673aInetAddress\u5bf9\u8c61\r\n            InetAddress localHost = InetAddress.getLocalHost();\r\n\r\n            \/\/ \u83b7\u53d6\u4e3b\u673a\u540d\r\n            String hostname = localHost.getHostName();\r\n\r\n            \/\/ \u83b7\u53d6\u672c\u5730\u7f51\u7edc\u63a5\u53e3\u5bf9\u8c61\r\n            NetworkInterface networkInterface = NetworkInterface.getByName(hostname);\r\n\r\n            \/\/ \u83b7\u53d6MAC\u5730\u5740\r\n            byte[] mac = networkInterface.getHardwareAddress();\r\n\r\n            \/\/ \u5c06MAC\u5730\u5740\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\r\n            StringBuilder macAddress = new StringBuilder();\r\n            for (int i = 0; i < mac.length; i++) {\r\n                macAddress.append(String.format(\"%02X%s\", mac[i], (i < mac.length - 1) ? \"-\" : \"\"));\r\n            }\r\n\r\n            System.out.println(\"MAC\u5730\u5740\uff1a\" + macAddress.toString());\r\n        } catch (Exception e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
JavaScript\u3068JSP\u3092\u4f7f\u7528\u3059\u308b\uff1a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067MAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3001\u305d\u308c\u3092Ajax\u3092\u901a\u3058\u3066JSP\u30da\u30fc\u30b8\u306b\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\uff1a<\/p>\n
<!DOCTYPE html>\r\n<html>\r\n<head>\r\n    <title>Get MAC Address<\/title>\r\n    <script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\r\n    <script>\r\n        function getMacAddress() {\r\n            var macAddress = null;\r\n            new ActiveXObject(\"WScript.Shell\").Run(\"cmd \/k getmac \/v\", 0, true);\r\n            var wmi = new ActiveXObject(\"WbemScripting.SWbemLocator\");\r\n            var service = wmi.ConnectServer(\".\");\r\n            var properties = service.ExecQuery(\"SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled = True\");\r\n            var e = new Enumerator(properties);\r\n            for (; !e.atEnd(); e.moveNext()) {\r\n                var p = e.item();\r\n                macAddress = p.MACAddress;\r\n                break;\r\n            }\r\n            return macAddress;\r\n        }\r\n\r\n        $(document).ready(function() {\r\n            var macAddress = getMacAddress();\r\n            $.ajax({\r\n                url: \"getMacAddress.jsp\",\r\n                type: \"POST\",\r\n                data: {macAddress: macAddress},\r\n                success: function(response) {\r\n                    console.log(response);\r\n                }\r\n            });\r\n        });\r\n    <\/script>\r\n<\/head>\r\n<body>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
getMacAddress.jsp\u3067\u306f\u3001request.getParameter\uff08\u201cmacAddress\u201d\uff09\u3092\u4f7f\u7528\u3057\u3066MAC\u30a2\u30c9\u30ec\u30b9\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java\/JSP\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e3\u3064\u3042\u308a\u307e\u3059\u3002 Java\u306eNetworkInterface\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\uff1a\u3053\u308c\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001NetworkInte […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-12365","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\nJava\/JSP\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b3\u3064\u306e\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002 - 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