{"id":202999,"date":"2025-05-22T08:17:12","date_gmt":"2025-05-22T00:17:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202999\/"},"modified":"2025-05-22T08:17:12","modified_gmt":"2025-05-22T00:17:12","slug":"%e4%bd%bf%e7%94%a8%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e6%8f%90%e5%8d%87java%e5%87%bd%e6%95%b0%e7%9a%84%e5%8f%af%e5%a4%8d%e7%94%a8%e6%80%a7%ef%bc%9a%e5%8d%95%e4%be%8b%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202999\/","title":{"rendered":"\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u63d0\u5347Java\u51fd\u6570\u7684\u53ef\u590d\u7528\u6027\uff1a\u5355\u4f8b\u6a21\u5f0f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u63d0\u5347Java\u51fd\u6570\u7684\u53ef\u590d\u7528\u6027\uff1a\u5355\u4f8b\u6a21\u5f0f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: 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instance = new Singleton();\n        }\n        return instance;\n    }\n}<\/pre>\n<p><strong>\u4f7f\u7528<\/strong><\/p>\n<p>\u901a\u8fc7\u8c03\u7528 <code>getInstance()<\/code> \u65b9\u6cd5\u8bbf\u95ee\u5355\u4f8b\u5b9e\u4f8b\uff1a<\/p>\n<pre>Singleton instance = Singleton.getInstance();<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u6570\u636e\u5e93\u8fde\u63a5<\/strong><\/p>\n<p>\u5728\u9700\u8981\u5728\u591a\u4e2a\u4f4d\u7f6e\u8bbf\u95ee\u6570\u636e\u5e93\u8fde\u63a5\u65f6\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5e93\u8fde\u63a5\u5c01\u88c5\u5230\u4e00\u4e2a\u5355\u4f8b\u7c7b\u4e2d\u3002\u8fd9\u786e\u4fdd\u4e86\u6240\u6709\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u8fde\u63a5\uff0c\u907f\u514d\u4e86\u8fde\u63a5\u6cc4\u6f0f\u548c\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<p><strong>\u65e5\u5fd7\u8bb0\u5f55<\/strong><\/p>\n<p>\u65e5\u5fd7\u8bb0\u5f55\u662f\u53e6\u4e00\u4e2a\u9002\u5408\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f\u7684\u573a\u666f\u3002\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u5355\u4f8b\u65e5\u5fd7\u8bb0\u5f55\u5668\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4efb\u4f55\u5730\u65b9\u8bbf\u95ee\u548c\u8bb0\u5f55\u9519\u8bef\u548c\u4e8b\u4ef6\u3002<\/p>\n<p><strong>\u4f18\u70b9<\/strong><\/p>\n<ul>\n<li><strong>\u53ef\u590d\u7528\u6027\uff1a<\/strong>\u5355\u4f8b\u6a21\u5f0f\u5141\u8bb8\u5728\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u91cd\u7528\u76f8\u540c\u7684\u5b9e\u4f8b\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong>\u5b83\u786e\u4fdd\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u7ec4\u4ef6\u8bbf\u95ee\u5171\u4eab\u7684\u3001\u4e00\u81f4\u7684\u8d44\u6e90\u3002<\/li>\n<li><strong>\u6548\u7387\uff1a<\/strong>\u901a\u8fc7\u907f\u514d\u591a\u6b21\u521b\u5efa\u5b9e\u4f8b\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u7b80\u5355\u6027\uff1a<\/strong>\u5b9e\u73b0\u548c\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f\u90fd\u5f88\u7b80\u5355\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u63d0\u5347Java\u51fd\u6570\u7684\u53ef\u590d\u7528\u6027\uff1a\u5355\u4f8b\u6a21\u5f0f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u63d0\u5347Java\u51fd\u6570\u7684\u53ef&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202999","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202999"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202999\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}