{"id":47011,"date":"2024-12-02T11:19:26","date_gmt":"2024-12-02T03:19:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47011\/"},"modified":"2024-12-02T11:19:26","modified_gmt":"2024-12-02T03:19:26","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-php-%e5%87%bd%e6%95%b0%e5%ae%9e%e7%8e%b0%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47011\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f<\/h1>\n<p>\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n<p>\u901a\u8fc7 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002\u5de5\u5382\u6a21\u5f0f\u7528\u4e8e\u7075\u6d3b\u521b\u5efa\u5bf9\u8c61\uff0c\u5355\u4f8b\u6a21\u5f0f\u786e\u4fdd\u7c7b\u53ea\u5b9e\u4f8b\u5316\u4e00\u6b21\uff0c\u7b56\u7565\u6a21\u5f0f\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u9009\u62e9\u7b97\u6cd5\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5de5\u5382\u6a21\u5f0f\u4f7f\u7528 switch \u8bed\u53e5\u6839\u636e\u7c7b\u578b\u521b\u5efa\u5bf9\u8c61\uff1b\u5355\u4f8b\u6a21\u5f0f\u4f7f\u7528\u9759\u6001\u53d8\u91cf\u5b9e\u73b0\u4ec5\u4e00\u6b21\u5b9e\u4f8b\u5316\uff1b\u7b56\u7565\u6a21\u5f0f\u5229\u7528\u63a5\u53e3\u548c\u5177\u4f53\u5b9e\u73b0\u7c7b\u5b9e\u73b0\u7b97\u6cd5\u7684\u53ef\u66ff\u6362\u6027\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729859676671b905c5fbc3.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f<\/strong><\/p>\n<p>\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u8bbe\u8ba1\u6a21\u5f0f\u662f\u4e00\u79cd\u53ef\u91cd\u7528\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u4e8e\u89e3\u51b3\u5e38\u89c1\u7f16\u7a0b\u95ee\u9898\u3002\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5bb9\u6613\u7ef4\u62a4\u548c\u7406\u89e3\u3002PHP \u63d0\u4f9b\u4e86\u8bb8\u591a\u51fd\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/p>\n<p><strong>\u5de5\u5382\u6a21\u5f0f<\/strong><\/p>\n<p>\u5de5\u5382\u6a21\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u5bf9\u8c61\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5176\u786e\u5207\u7684\u7c7b\u3002\u8fd9\u5141\u8bb8\u6211\u4eec\u5728\u4e0d\u66f4\u6539\u5ba2\u6237\u7aef\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u66f4\u6539\u521b\u5efa\u5bf9\u8c61\u7684\u4ee3\u7801\u3002<\/p>\n<pre>&lt;?php\ninterface Shape {\n    public function draw();\n}\n\nclass Circle implements Shape {\n    public function draw() {\n        echo \"\u7ed8\u5236\u4e00\u4e2a\u5706\u5f62\";\n    }\n}\n\nclass Square implements Shape {\n    public function draw() {\n        echo \"\u7ed8\u5236\u4e00\u4e2a\u6b63\u65b9\u5f62\";\n    }\n}\n\nclass ShapeFactory {\n    public static function createShape($type) {\n        switch ($type) {\n            case 'circle':\n                return new Circle();\n            case 'square':\n                return new Square();\n        }\n        throw new Exception('\u4e0d\u652f\u6301\u7684\u5f62\u72b6\u7c7b\u578b');\n    }\n}\n\n\/\/ \u5b9e\u6218\u6848\u4f8b\n$shapeFactory = new ShapeFactory();\n$circle = $shapeFactory-&gt;createShape('circle');\n$square = $shapeFactory-&gt;createShape('square');\n\n$circle-&gt;draw(); \/\/ \u8f93\u51fa: \u7ed8\u5236\u4e00\u4e2a\u5706\u5f62\n$square-&gt;draw(); \/\/ \u8f93\u51fa: \u7ed8\u5236\u4e00\u4e2a\u6b63\u65b9\u5f62<\/pre>\n<p><strong>\u5355\u4f8b\u6a21\u5f0f<\/strong><\/p>\n<p>\u5355\u4f8b\u6a21\u5f0f\u786e\u4fdd\u7c7b\u53ea\u5b9e\u4f8b\u5316\u4e00\u6b21\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u7c7b\u7684\u9759\u6001\u53d8\u91cf\u5e76\u5728\u6784\u9020\u51fd\u6570\u4e2d\u68c0\u67e5\u8be5\u53d8\u91cf\u662f\u5426\u5df2\u8bbe\u7f6e\u6765\u5b9e\u73b0\u3002<\/p>\n<pre>&lt;?php\nclass Singleton {\n    private static $instance;\n\n    private function __construct() {} \/\/ \u79c1\u6709\u6784\u9020\u51fd\u6570\u9632\u6b62\u5b9e\u4f8b\u5316\n\n    public static function getInstance() {\n        if (!isset(self::$instance)) {\n            self::$instance = new Singleton();\n        }\n\n        return self::$instance;\n    }\n\n    \/\/ \u4f60\u7684\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\n}\n\n\/\/ \u5b9e\u6218\u6848\u4f8b\n$instance1 = Singleton::getInstance();\n$instance2 = Singleton::getInstance();\n\nvar_dump($instance1 === $instance2); \/\/ \u8f93\u51fa: true (\u5bf9\u8c61\u76f8\u540c)<\/pre>\n<p><strong>\u7b56\u7565\u6a21\u5f0f<\/strong><\/p>\n<p>\u7b56\u7565\u6a21\u5f0f\u5b9a\u4e49\u4e00\u7cfb\u5217\u7b97\u6cd5\uff0c\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u8fd0\u884c\u65f6\u9009\u62e9\u4e00\u4e2a\u7b97\u6cd5\u3002\u8fd9\u4f7f\u6211\u4eec\u80fd\u591f\u5728\u4e0d\u66f4\u6539\u5ba2\u6237\u7aef\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u66f4\u6539\u7b97\u6cd5\u3002<\/p>\n<pre>&lt;?php\ninterface PaymentStrategy {\n    public function pay($amount);\n}\n\nclass PaypalStrategy implements PaymentStrategy {\n    public function pay($amount) {\n        echo \"\u4f7f\u7528 PayPal \u652f\u4ed8\u4e86 $amount \u5143\";\n    }\n}\n\nclass StripeStrategy implements PaymentStrategy {\n    public function pay($amount) {\n        echo \"\u4f7f\u7528 Stripe \u652f\u4ed8\u4e86 $amount \u5143\";\n    }\n}\n\nclass Order {\n    private $paymentStrategy;\n\n    public function setPaymentStrategy(PaymentStrategy $strategy) {\n        $this-&gt;paymentStrategy = $strategy;\n    }\n\n    public function pay($amount) {\n        $this-&gt;paymentStrategy-&gt;pay($amount);\n    }\n}\n\n\/\/ \u5b9e\u6218\u6848\u4f8b\n$order = new Order();\n$order-&gt;setPaymentStrategy(new PaypalStrategy());\n$order-&gt;pay(100); \/\/ \u8f93\u51fa: \u4f7f\u7528 PayPal \u652f\u4ed8\u4e86 100 \u5143\n\n$order-&gt;setPaymentStrategy(new StripeStrategy());\n$order-&gt;pay(200); \/\/ \u8f93\u51fa: \u4f7f\u7528 Stripe \u652f\u4ed8\u4e86 200 \u5143<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528 PHP \u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u8fd9\u4e9b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4ece\u800c\u4f7f\u6211\u4eec\u7684\u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u3001\u53ef\u91cd\u7528\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f\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\u7c73\u4e91\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>\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f \u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff1f\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01 \u901a\u8fc7 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002\u5de5\u5382\u6a21\u5f0f\u7528\u4e8e\u7075\u6d3b\u521b\u5efa\u5bf9\u8c61\uff0c\u5355\u4f8b\u6a21\u5f0f\u786e\u4fdd\u7c7b\u53ea\u5b9e\u4f8b\u5316\u4e00\u6b21\uff0c\u7b56\u7565\u6a21\u5f0f\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u9009\u62e9\u7b97\u6cd5\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5de5\u5382\u6a21\u5f0f\u4f7f\u7528 switch \u8bed\u53e5\u6839\u636e\u7c7b\u578b\u521b\u5efa\u5bf9\u8c61\uff1b\u5355\u4f8b\u6a21\u5f0f\u4f7f\u7528\u9759\u6001\u53d8\u91cf\u5b9e\u73b0\u4ec5\u4e00\u6b21\u5b9e\u4f8b\u5316\uff1b\u7b56\u7565\u6a21\u5f0f\u5229\u7528\u63a5\u53e3\u548c\u5177\u4f53\u5b9e\u73b0\u7c7b\u5b9e\u73b0\u7b97\u6cd5\u7684\u53ef\u66ff\u6362\u6027\u3002 \u5982\u4f55\u4f7f\u7528 PHP \u51fd\u6570\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f \u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u8bbe\u8ba1\u6a21\u5f0f\u662f\u4e00\u79cd\u53ef\u91cd\u7528\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u4e8e\u89e3\u51b3\u5e38\u89c1\u7f16\u7a0b\u95ee\u9898\u3002\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5bb9\u6613\u7ef4\u62a4\u548c\u7406\u89e3\u3002PHP \u63d0\u4f9b\u4e86\u8bb8\u591a\u51fd\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\u3002 \u5de5\u5382\u6a21\u5f0f \u5de5\u5382\u6a21\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u5bf9\u8c61\uff0c\u800c\u65e0\u9700\u6307\u5b9a\u5176\u786e\u5207\u7684\u7c7b\u3002\u8fd9\u5141\u8bb8\u6211\u4eec\u5728\u4e0d\u66f4\u6539\u5ba2\u6237\u7aef\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u66f4\u6539\u521b\u5efa\u5bf9\u8c61\u7684\u4ee3\u7801\u3002 &lt;?php interface Shape { public function draw(); } class Circle implements Shape { public function draw() { echo &#8220;\u7ed8\u5236\u4e00\u4e2a\u5706\u5f62&#8221;; } } class Square implements Shape { public function draw() { echo &#8220;\u7ed8\u5236\u4e00\u4e2a\u6b63\u65b9\u5f62&#8221;; } } class ShapeFactory { [&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-47011","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47011","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=47011"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47011\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}