{"id":124755,"date":"2024-03-24T16:20:00","date_gmt":"2024-03-24T07:20:00","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%81%ae-propertyutils-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"},"modified":"2024-04-04T03:20:45","modified_gmt":"2024-04-03T18:20:45","slug":"java-%e3%81%ae-propertyutils-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e3%81%ae-propertyutils-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","title":{"rendered":"Java \u306e PropertyUtils \u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>PropertyUtils\u30af\u30e9\u30b9\u306f\u3001JavaBean\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u64cd\u4f5c\u3059\u308bApache Commons BeanUtils\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n<p>PropertyUtils\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.lang.reflect.InvocationTargetException;\r\n<span class=\"hljs-keyword\">import<\/span> org.apache.commons.beanutils.PropertyUtils;\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">PropertyUtilsExample<\/span> {\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n<span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u793a\u4f8bJavaBean\u5bf9\u8c61<\/span>\r\n<span class=\"hljs-type\">Person<\/span> <span class=\"hljs-variable\">person<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Person<\/span>();\r\nperson.setName(<span class=\"hljs-string\">\"John\"<\/span>);\r\nperson.setAge(<span class=\"hljs-number\">25<\/span>);\r\n<span class=\"hljs-keyword\">try<\/span> {\r\n<span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u5e76\u8f93\u51faname\u5c5e\u6027\u7684\u503c<\/span>\r\n<span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">name<\/span> <span class=\"hljs-operator\">=<\/span> (String) PropertyUtils.getProperty(person, <span class=\"hljs-string\">\"name\"<\/span>);\r\nSystem.out.println(<span class=\"hljs-string\">\"Name: \"<\/span> + name);\r\n<span class=\"hljs-comment\">\/\/ \u8bbe\u7f6eage\u5c5e\u6027\u7684\u503c\u4e3a30\uff0c\u5e76\u8f93\u51fa<\/span>\r\nPropertyUtils.setProperty(person, <span class=\"hljs-string\">\"age\"<\/span>, <span class=\"hljs-number\">30<\/span>);\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">age<\/span> <span class=\"hljs-operator\">=<\/span> person.getAge();\r\nSystem.out.println(<span class=\"hljs-string\">\"Age: \"<\/span> + age);\r\n} <span class=\"hljs-keyword\">catch<\/span> (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {\r\ne.printStackTrace();\r\n}\r\n}\r\n}\r\n<span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Person<\/span> {\r\n<span class=\"hljs-keyword\">private<\/span> String name;\r\n<span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-type\">int<\/span> age;\r\n<span class=\"hljs-comment\">\/\/ \u7701\u7565\u6784\u9020\u65b9\u6cd5\u548c\u5176\u4ed6\u65b9\u6cd5<\/span>\r\n<span class=\"hljs-comment\">\/\/ name\u5c5e\u6027\u7684getter\u548csetter\u65b9\u6cd5<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> String <span class=\"hljs-title function_\">getName<\/span><span class=\"hljs-params\">()<\/span> {\r\n<span class=\"hljs-keyword\">return<\/span> name;\r\n}\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">setName<\/span><span class=\"hljs-params\">(String name)<\/span> {\r\n<span class=\"hljs-built_in\">this<\/span>.name = name;\r\n}\r\n<span class=\"hljs-comment\">\/\/ age\u5c5e\u6027\u7684getter\u548csetter\u65b9\u6cd5<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">getAge<\/span><span class=\"hljs-params\">()<\/span> {\r\n<span class=\"hljs-keyword\">return<\/span> age;\r\n}\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">setAge<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> age)<\/span> {\r\n<span class=\"hljs-built_in\">this<\/span>.age = age;\r\n}\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>Name: John\r\nAge: 30\r\n<\/code><\/pre>\n<p>PropertyUtils\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066JavaBean\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5c5e\u6027\u5024\u3092\u53d6\u5f97\/\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002 getProperty\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u5c5e\u6027\u5024\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001setProperty\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u5c5e\u6027\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PropertyUtils\u30af\u30e9\u30b9\u306f\u3001JavaBean\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u64cd\u4f5c\u3059\u308bApache Commons BeanUtils\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002 PropertyUtils\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002  [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-124755","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java \u306e PropertyUtils \u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9 - 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-\u306e-propertyutils-\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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