{"id":202407,"date":"2025-05-13T14:40:02","date_gmt":"2025-05-13T06:40:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202407\/"},"modified":"2025-05-13T14:40:02","modified_gmt":"2025-05-13T06:40:02","slug":"php-%e5%87%bd%e6%95%b0%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e5%ba%94%e7%94%a8%e7%9a%84%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202407\/","title":{"rendered":"PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u7684\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"

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PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u7684\u6700\u4f73\u5b9e\u8df5<\/h1>\n

\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aPHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u7684\u6700\u4f73\u5b9e\u8df5\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

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\u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u4e8e PHP \u51fd\u6570\u5f00\u53d1\u4e2d\uff0c\u4e3a\u521b\u5efa\u53ef\u91cd\u7528\u3001\u53ef\u6269\u5c55\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684\u51fd\u6570\u63d0\u4f9b\u4e86\u6700\u4f73\u5b9e\u8df5\u3002\u6a21\u5f0f\u5305\u62ec\uff1a\u5355\u4e00\u804c\u8d23\u539f\u5219\uff1a\u51fd\u6570\u5e94\u53ea\u8d1f\u8d23\u4e00\u9879\u660e\u786e\u7684\u4efb\u52a1\u3002\u5f00\u653e-\u5c01\u95ed\u539f\u5219\uff1a\u51fd\u6570\u5bf9\u6269\u5c55\u5f00\u653e\uff0c\u5bf9\u4fee\u6539\u5c01\u95ed\u3002\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\uff1a\u9ad8\u5c42\u6a21\u5757\u4f9d\u8d56\u4e8e\u62bd\u8c61\u63a5\u53e3\uff0c\u800c\u4e0d\u662f\u4f4e\u5c42\u6a21\u5757\u3002\u5b9e\u4f8b\u5316\u5206\u79bb\u539f\u5219\uff1a\u63a5\u53e3\u53ea\u5305\u542b\u5bc6\u5207\u76f8\u5173\u7684\u64cd\u4f5c\uff0c\u5ba2\u6237\u7aef\u53ea\u5b9e\u73b0\u6240\u9700\u64cd\u4f5c\u3002<\/p>\n

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PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u6307\u5357<\/strong><\/p>\n

\u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u662f\u5e2e\u52a9\u5f00\u53d1\u8005\u521b\u5efa\u53ef\u91cd\u7528\u3001\u53ef\u6269\u5c55\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684 PHP \u51fd\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u96c6\u5408\u3002\u8fd9\u4e9b\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u81f4\u6027\u548c\u7ed3\u6784\uff0c\u4f7f\u4ee3\u7801\u66f4\u5bb9\u6613\u7406\u89e3\u548c\u4fee\u6539\u3002<\/p>\n

\u5355\u4e00\u804c\u8d23\u539f\u5219 (SRP)<\/strong>
SRP \u89c4\u5b9a\u51fd\u6570\u5e94\u53ea\u8d1f\u8d23\u4e00\u9879\u660e\u786e\u7684\u4efb\u52a1\u3002\u8fd9\u5c06\u51fd\u6570\u7684\u4f5c\u7528\u57df\u9650\u5236\u5728\u5355\u4e2a\u804c\u8d23\u4e0a\uff0c\u63d0\u9ad8\u4e86\u53ef\u91cd\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

\/\/ SRP \u8fdd\u53cd\u793a\u4f8b\nfunction send_email_and_log(string $email, string $message)\n{\n    \/\/ \u53d1\u9001\u7535\u5b50\u90ae\u4ef6\n    \/\/ \u8bb0\u5f55\u4e8b\u4ef6\n}\n\n\/\/ SRP \u9075\u5faa\u793a\u4f8b\nfunction send_email(string $email, string $message)\n{\n    \/\/ \u53d1\u9001\u7535\u5b50\u90ae\u4ef6\n}\n\nfunction log_event(string $event)\n{\n    \/\/ \u8bb0\u5f55\u4e8b\u4ef6\n}<\/pre>\n
\u5f00\u653e-\u5c01\u95ed\u539f\u5219 (OCP)<\/strong>
OCP \u89c4\u5b9a\u51fd\u6570\u5bf9\u6269\u5c55\u5f00\u653e\uff0c\u5bf9\u4fee\u6539\u5c01\u95ed\u3002\u8fd9\u610f\u5473\u7740\u51fd\u6570\u5e94\u8be5\u8bbe\u8ba1\u6210\u6613\u4e8e\u6dfb\u52a0\u65b0\u529f\u80fd\uff0c\u800c\u65e0\u9700\u4fee\u6539\u73b0\u6709\u4ee3\u7801\u3002<\/p>\n
\/\/ OCP \u8fdd\u53cd\u793a\u4f8b\nfunction get_user_details(int $id)\n{\n    $row = get_row_by_id($id);\n    return [\n        'id' => $row['id'],\n        'name' => $row['name'],\n        'email' => $row['email'],\n    ];\n}\n\n\/\/ OCP \u9075\u5faa\u793a\u4f8b\ninterface UserDetailsProviderInterface\n{\n    public function get(int $id): array;\n}\n\nfunction get_user_details(int $id, UserDetailsProviderInterface $provider)\n{\n    return $provider->get($id);\n}\n\nclass DatabaseUserDetailsProvider implements UserDetailsProviderInterface\n{\n    public function get(int $id): array\n    {\n        $row = get_row_by_id($id);\n        return [\n            'id' => $row['id'],\n            'name' => $row['name'],\n            'email' => $row['email'],\n        ];\n    }\n}\n\nclass ApiUserDetailsProvider implements UserDetailsProviderInterface\n{\n    public function get(int $id): array\n    {\n        $data = get_data_from_api($id);\n        return [\n            'id' => $data['id'],\n            'name' => $data['name'],\n            'email' => $data['email'],\n        ];\n    }\n}<\/pre>\n
\u4f9d\u8d56\u5012\u7f6e\u539f\u5219 (DIP)<\/strong>
DIP \u89c4\u5b9a\u9ad8\u5c42\u6a21\u5757\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u4f4e\u5c42\u6a21\u5757\u3002\u76f8\u53cd\uff0c\u5b83\u4eec\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u63a5\u53e3\u3002\u8fd9\u6709\u52a9\u4e8e\u677e\u6563\u8026\u5408\uff0c\u63d0\u9ad8\u53ef\u6d4b\u8bd5\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
\/\/ DIP \u8fdd\u53cd\u793a\u4f8b\nfunction send_email(string $recipient, string $body)\n{\n    $email = new Email();\n    $email->setTo($recipient);\n    $email->setBody($body);\n    return send_email_via_smtp($email);\n}\n\n\/\/ DIP \u9075\u5faa\u793a\u4f8b\ninterface MailerInterface\n{\n    public function send(string $recipient, string $body);\n}\n\nfunction send_email(string $recipient, string $body, MailerInterface $mailer)\n{\n    return $mailer->send($recipient, $body);\n}\n\nclass SmtpMailer implements MailerInterface\n{\n    public function send(string $recipient, string $body)\n    {\n        \/\/ \u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u901a\u8fc7 SMTP\n    }\n}\n\nclass ApiMailer implements MailerInterface\n{\n    public function send(string $recipient, string $body)\n    {\n        \/\/ \u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u901a\u8fc7 API\n    }\n}<\/pre>\n
\u5b9e\u4f8b\u5316\u5206\u79bb\u539f\u5219 (ISP)<\/strong>
ISP \u89c4\u5b9a\u63a5\u53e3\u4e0d\u5e94\u8be5\u5b9a\u4e49\u4e0d\u76f8\u5173\u7684\u64cd\u4f5c\u3002\u6bcf\u4e2a\u63a5\u53e3\u4ec5\u5e94\u5b9a\u4e49\u5bc6\u5207\u76f8\u5173\u7684\u64cd\u4f5c\uff0c\u4f7f\u5ba2\u6237\u7aef\u53ea\u9700\u5b9e\u73b0\u4ed6\u4eec\u9700\u8981\u7684\u64cd\u4f5c\u3002<\/p>\n
\/\/ ISP \u8fdd\u53cd\u793a\u4f8b\ninterface MessageHandlerInterface\n{\n    public function send(string $recipient, string $body);\n    public function receive(string $recipient);\n}\n\n\/\/ ISP \u9075\u5faa\u793a\u4f8b\ninterface SenderInterface\n{\n    public function send(string $recipient, string $body);\n}\n\ninterface ReceiverInterface\n{\n    public function receive(string $recipient);\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b\uff1a\u65e5\u5fd7\u8bb0\u5f55<\/strong><\/p>\n
LoggerFactory \u7c7b\u53ef\u4ee5\u6839\u636e\u9700\u8981\u521b\u5efa\u4e0d\u540c\u7684\u65e5\u5fd7\u8bb0\u5f55\u5668\uff0c\u63d0\u4f9b\u65e5\u5fd7\u8bb0\u5f55\u884c\u4e3a\u3002<\/p>\n
class LoggerFactory\n{\n    public static function create(string $type): LoggerInterface\n    {\n        switch ($type) {\n            case 'file':\n                return new FileLogger();\n            case 'database':\n                return new DatabaseLogger();\n        }\n    }\n}\n\ninterface LoggerInterface\n{\n    public function log(string $message);\n}\n\nclass FileLogger implements LoggerInterface\n{\n    public function log(string $message)\n    {\n        \/\/ \u5c06\u6d88\u606f\u5199\u5165\u6587\u4ef6\n    }\n}\n\nclass DatabaseLogger implements LoggerInterface\n{\n    public function log(string $message)\n    {\n        \/\/ \u5c06\u6d88\u606f\u5199\u5165\u6570\u636e\u5e93\n    }\n}<\/pre>\n
\u9075\u5faa\u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u53ef\u4ee5\u521b\u5efa\u6574\u6d01\u3001\u6613\u4e8e\u7ef4\u62a4\u7684 PHP \u4ee3\u7801\u3002\u8fd9\u4e9b\u6a21\u5f0f\u63d0\u4f9b\u4e86\u6784\u5efa\u53ef\u91cd\u7528\u3001\u53ef\u6269\u5c55\u548c\u6613\u4e8e\u6269\u5c55\u7684\u51fd\u6570\u6240\u9700\u7684\u57fa\u7840\u3002<\/p>\n
\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aPHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u7684\u6700\u4f73\u5b9e\u8df5\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ephp,\u8bbe\u8ba1\u6a21\u5f0f\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP \u51fd\u6570\u8bbe\u8ba1\u6a21\u5f0f\u5e94\u7528\u7684\u6700\u4f73\u5b9e...<\/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-202407","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202407","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=202407"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202407\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}