{"id":67017,"date":"2025-05-03T16:53:55","date_gmt":"2025-05-03T08:53:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67017\/"},"modified":"2025-05-03T16:53:55","modified_gmt":"2025-05-03T08:53:55","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e5%af%b9%e8%b1%a1%e5%b1%9e%e6%80%a7%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67017\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u5c5e\u6027\u503c"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u5bf9\u8c61\u5c5e\u6027\u503c\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff1b\u4f7f\u7528 getproperty() \u65b9\u6cd5\uff08\u5047\u8bbe\u5bf9\u8c61\u5b9e\u73b0\u4e86 javabeans \u89c4\u8303\uff09\u83b7\u53d6\u5bf9\u8c61\u5c5e\u6027\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111800064214388.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u5c5e\u6027\u503c\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u5c5e\u6027\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u83b7\u53d6 Java \u4e2d\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u5c5e\u6027\u503c<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5b58\u50a8\u57fa\u672c\u6570\u636e\u7c7b\u578b\u6216\u5bf9\u8c61\u5f15\u7528\u3002\u4e3a\u4e86\u83b7\u53d6\u6570\u7ec4\u4e2d\u5bf9\u8c61\u5c5e\u6027\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>\u6b65\u9aa4 1\uff1a\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61<\/strong><\/p>\n<pre>Object[] array = ...; \/\/ \u521b\u5efa\u5e76\u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4\nObject object = array[index]; \/\/ \u83b7\u53d6\u7279\u5b9a\u7d22\u5f15\u5904\u7684\u5bf9\u8c61<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 2\uff1a\u83b7\u53d6\u5bf9\u8c61\u5c5e\u6027\u503c<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String propertyName = ...; \/\/ \u8981\u83b7\u53d6\u5c5e\u6027\u7684\u540d\u79f0\nString propertyValue = object.getProperty(propertyName); \/\/ \u83b7\u53d6\u5c5e\u6027\u503c<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0cgetProperty() \u65b9\u6cd5\u5047\u8bbe\u5bf9\u8c61\u5b9e\u73b0\u4e86 JavaBeans \u89c4\u8303\uff0c\u63d0\u4f9b\u4e86\u5c5e\u6027\u8bbf\u95ee\u5668\u65b9\u6cd5\u3002\u5982\u679c\u5bf9\u8c61\u6ca1\u6709\u5b9e\u73b0 JavaBeans \u89c4\u8303\uff0c\u5219\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u65b9\u5f0f\uff08\u5982\u53cd\u5c04\uff09\u6765\u83b7\u53d6\u5c5e\u6027\u503c\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>public static void main(String[] args) {\n\n    \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b Person \u5bf9\u8c61\u7684\u6570\u7ec4\n    Person[] persons = new Person[]{\n        new Person(\"Alice\", 25),\n        new Person(\"Bob\", 30)\n    };\n\n    \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u4eba\u7684\u540d\u5b57\n    String firstName = persons[0].getName();\n\n    \/\/ \u6253\u5370\u540d\u5b57\n    System.out.println(\"\u7b2c\u4e00\u4e2a\u4eba\u7684\u540d\u5b57\uff1a\" + firstName);\n}\n\nclass Person {\n\n    private String name;\n    private int age;\n\n    public Person(String name, int age) {\n        this.name = name;\n        this.age = age;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public int getAge() {\n        return age;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>\u7b2c\u4e00\u4e2a\u4eba\u7684\u540d\u5b57\uff1aAlice<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u5c5e\u6027\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u5bf9\u8c61\u5c5e\u6027\u503c\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff1b\u4f7f\u7528 getproperty() \u65b9\u6cd5\uff08\u5047\u8bbe\u5bf9\u8c61\u5b9e\u73b0\u4e86 javabeans \u89c4\u8303\uff09\u83b7\u53d6\u5bf9\u8c61\u5c5e\u6027\u503c\u3002 \u5982\u4f55\u83b7\u53d6 Java \u4e2d\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u5c5e\u6027\u503c \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5b58\u50a8\u57fa\u672c\u6570\u636e\u7c7b\u578b\u6216\u5bf9\u8c61\u5f15\u7528\u3002\u4e3a\u4e86\u83b7\u53d6\u6570\u7ec4\u4e2d\u5bf9\u8c61\u5c5e\u6027\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u6b65\u9aa4 1\uff1a\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61 Object[] array = &#8230;; \/\/ \u521b\u5efa\u5e76\u521d\u59cb\u5316\u5bf9\u8c61\u6570\u7ec4 Object object = array[index]; \/\/ \u83b7\u53d6\u7279\u5b9a\u7d22\u5f15\u5904\u7684\u5bf9\u8c61 \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 2\uff1a\u83b7\u53d6\u5bf9\u8c61\u5c5e\u6027\u503c \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String propertyName = &#8230;; \/\/ \u8981\u83b7\u53d6\u5c5e\u6027\u7684\u540d\u79f0 String propertyValue = object.getProperty(propertyName); \/\/ \u83b7\u53d6\u5c5e\u6027\u503c \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cgetProperty() \u65b9\u6cd5\u5047\u8bbe\u5bf9\u8c61\u5b9e\u73b0\u4e86 JavaBeans \u89c4\u8303\uff0c\u63d0\u4f9b\u4e86\u5c5e\u6027\u8bbf\u95ee\u5668\u65b9\u6cd5\u3002\u5982\u679c\u5bf9\u8c61\u6ca1\u6709\u5b9e\u73b0 JavaBeans \u89c4\u8303\uff0c\u5219\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u65b9\u5f0f\uff08\u5982\u53cd\u5c04\uff09\u6765\u83b7\u53d6\u5c5e\u6027\u503c\u3002 \u793a\u4f8b\uff1a public static void main(String[] [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-67017","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=67017"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67017\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}