{"id":129280,"date":"2024-03-25T09:48:19","date_gmt":"2024-03-25T00:48:19","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%b3%e3%83%b3%e3%83%91%e3%82%a4%e3%83%ab%e7%b5%90%e6%9e%9c%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-04T08:48:15","modified_gmt":"2024-04-03T23:48:15","slug":"java%e3%81%a7%e3%82%b3%e3%83%b3%e3%83%91%e3%82%a4%e3%83%ab%e7%b5%90%e6%9e%9c%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%b3%e3%83%b3%e3%83%91%e3%82%a4%e3%83%ab%e7%b5%90%e6%9e%9c%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

Java \u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\uff1a<\/p>\n

    \n
  1. \u6559\u5ba4<\/li>\n<\/ol>\n
    Class<?> clazz = MyClass.class; \/\/ MyClass\u4e3a\u8981\u83b7\u53d6\u4fe1\u606f\u7684\u7c7b\u540d<\/span>\r\nString<\/span> className<\/span> =<\/span> clazz.getName(); \/\/ \u83b7\u53d6\u7c7b\u540d<\/span>\r\nMethod[] methods = clazz.getDeclaredMethods(); \/\/ \u83b7\u53d6\u7c7b\u4e2d\u58f0\u660e\u7684\u65b9\u6cd5<\/span>\r\nField[] fields = clazz.getDeclaredFields(); \/\/ \u83b7\u53d6\u7c7b\u4e2d\u58f0\u660e\u7684\u5c5e\u6027<\/span>\r\n<\/code><\/pre>\n
      \n
    1. javax.tools.JavaCompiler<\/li>\n
    2. javax.tools.ToolProvider \u306b\u3088\u308b<\/li>\n<\/ol>\n
      JavaCompiler<\/span> compiler<\/span> =<\/span> ToolProvider.getSystemJavaCompiler(); \/\/ \u83b7\u53d6Java\u7f16\u8bd1\u5668<\/span>\r\nStandardJavaFileManager<\/span> fileManager<\/span> =<\/span> compiler.getStandardFileManager(null<\/span>, null<\/span>, null<\/span>);\r\nFile<\/span> javaFile<\/span> =<\/span> new<\/span> File<\/span>(\"MyClass.java\"<\/span>); \/\/ \u8981\u7f16\u8bd1\u7684Java\u6587\u4ef6<\/span>\r\nIterable<? extends<\/span> JavaFileObject<\/span>> files = fileManager.getJavaFileObjects(javaFile);\r\nCompilationTask<\/span> task<\/span> =<\/span> compiler.getTask(null<\/span>, fileManager, null<\/span>, null<\/span>, null<\/span>, files);\r\nboolean<\/span> success<\/span> =<\/span> task.call(); \/\/ \u7f16\u8bd1Java\u6587\u4ef6<\/span>\r\nif<\/span> (success) {\r\nSystem.out.println(\"\u7f16\u8bd1\u6210\u529f\"<\/span>);\r\n} else<\/span> {\r\nSystem.out.println(\"\u7f16\u8bd1\u5931\u8d25\"<\/span>);\r\n}\r\nfileManager.close();\r\n<\/code><\/pre>\n
        \n
      1. \u30d7\u30ed\u30bb\u30b9\u751f\u6210<\/li>\n
      2. javac<\/li>\n<\/ol>\n
        String<\/span> javaFile<\/span> =<\/span> \"MyClass.java\"<\/span>; \/\/ \u8981\u7f16\u8bd1\u7684Java\u6587\u4ef6<\/span>\r\nProcessBuilder<\/span> builder<\/span> =<\/span> new<\/span> ProcessBuilder<\/span>(\"javac\"<\/span>, javaFile);\r\nProcess<\/span> process<\/span> =<\/span> builder.start();\r\nint<\/span> exitCode<\/span> =<\/span> process.waitFor();\r\nif<\/span> (exitCode == 0<\/span>) {\r\nSystem.out.println(\"\u7f16\u8bd1\u6210\u529f\"<\/span>);\r\n} else<\/span> {\r\nSystem.out.println(\"\u7f16\u8bd1\u5931\u8d25\"<\/span>);\r\n}\r\n<\/code><\/pre>\n
        \u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6d3b\u7528\u3067\u304d\u308b3\u3064\u306e\u65b9\u6cd5\u304b\u3089\u9078\u629e\u3057\u3001\u5b9f\u969b\u306e\u72b6\u6cc1\u306b\u57fa\u3065\u3044\u3066Java\u30b3\u30f3\u30d1\u30a4\u30eb\u5185\u5bb9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        Java \u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\uff1a \u6559\u5ba4 Class<?> clazz = MyClass.class; \/\/ MyClass\u4e3a\u8981\u83b7\u53d6\u4fe1\u606f\u7684\u7c7b\u540d String className = cl […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-129280","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Java \u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\uff1a \u6559\u5ba4 Class<?> clazz = MyClass.class; 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