{"id":23101,"date":"2024-11-21T14:11:03","date_gmt":"2024-11-21T06:11:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23101\/"},"modified":"2024-11-21T14:11:03","modified_gmt":"2024-11-21T06:11:03","slug":"laravel%e6%8e%a7%e5%88%b6%e5%8f%8d%e8%bd%ac%e5%8f%8d%e5%b0%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23101\/","title":{"rendered":"laravel\u63a7\u5236\u53cd\u8f6c\u53cd\u5c04"},"content":{"rendered":"

\u5728laravel\u4e2d\uff0c\u63a7\u5236\u53cd\u8f6c\u548c\u53cd\u5c04\u662f\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u4eec\u662flaravel\u6846\u67b6\u7684\u6838\u5fc3\u7279\u6027\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u672c\u6587\u5c06\u8ba8\u8bba\u63a7\u5236\u53cd\u8f6c\u548c\u53cd\u5c04\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u4f8b\u3002<\/p>\n

\u63a7\u5236\u53cd\u8f6c<\/p>\n

\u63a7\u5236\u53cd\u8f6c\uff08Inversion of Control\uff0cIoC\uff09\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u662f\u4e00\u79cd\u5c06\u63a7\u5236\u6743\u8f6c\u79fb\u7ed9\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u65b9\u5f0f\uff0c\u4ee5\u8fbe\u5230\u964d\u4f4e\u4ee3\u7801\u7684\u8026\u5408\u5ea6\u7684\u76ee\u7684\u3002<\/p>\n

\u5728Laravel\u4e2d\uff0c\u63a7\u5236\u53cd\u8f6c\u662f\u6307\u5c06\u4f9d\u8d56\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u7ba1\u7406\u4ea4\u7531\u5bb9\u5668\u6765\u5904\u7406\uff0c\u800c\u4e0d\u662f\u7531\u5bf9\u8c61\u81ea\u5df1\u521b\u5efa\u6216\u7ba1\u7406\u4f9d\u8d56\u5bf9\u8c61\u3002\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u662f\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\uff08Dependency Injection\uff0cDI\uff09\u548c\u670d\u52a1\u5bb9\u5668\uff08Service Container\uff09\u3002<\/p>\n

\u4f9d\u8d56\u6ce8\u5165\u662f\u6307\u901a\u8fc7\u6784\u9020\u51fd\u6570\u3001\u65b9\u6cd5\u53c2\u6570\u6216\u5c5e\u6027\uff0c\u81ea\u52a8\u5730\u5c06\u4f9d\u8d56\u5bf9\u8c61\u6ce8\u5165\u5230\u9700\u8981\u4f7f\u7528\u5b83\u4eec\u7684\u5bf9\u8c61\u4e2d\u3002\u4f9d\u8d56\u6ce8\u5165\u4f7f\u5f97\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u81ea\u5df1\u7684\u8d23\u4efb\uff0c\u800c\u4e0d\u9700\u8981\u5173\u5fc3\u4f9d\u8d56\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u7ba1\u7406\u95ee\u9898\u3002\u8fd9\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

\u670d\u52a1\u5bb9\u5668\u662f\u4e00\u4e2a\u53ef\u914d\u7f6e\u7684\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012\u53c2\u6570\u6216\u914d\u7f6e\u6587\u4ef6\uff0c\u8f7b\u677e\u5730\u7ba1\u7406\u548c\u89e3\u6790\u5bf9\u8c61\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u670d\u52a1\u5bb9\u5668\u7684\u4f7f\u7528\u4f7f\u5f97\u4ee3\u7801\u4e2d\u7684\u5bf9\u8c61\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u548c\u9762\u5411\u914d\u7f6e\u3002<\/p>\n

\u53cd\u5c04<\/p>\n

\u53cd\u5c04\uff08Reflection\uff09\u662f\u6307\u5728\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c\u65f6\uff0c\u52a8\u6001\u5730\u83b7\u53d6\u548c\u4fee\u6539\u5bf9\u8c61\u7684\u4fe1\u606f\u3001\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u53cd\u5c04\u53ef\u4ee5\u7528\u4e8e\u8bf8\u5982\u4ee3\u7801\u5206\u6790\u3001\u6d4b\u8bd5\u548c\u8c03\u8bd5\u7b49\u76ee\u7684\u3002<\/p>\n

\u5728Laravel\u4e2d\uff0c\u53cd\u5c04\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u670d\u52a1\u5bb9\u5668\u548c\u8def\u7531\u5668\u4e2d\u3002\u901a\u8fc7\u53cd\u5c04\uff0c\u53ef\u4ee5\u52a8\u6001\u5730\u89e3\u6790\u7c7b\u548c\u5bf9\u8c61\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u5b9e\u4f8b\u5316\u548c\u8c03\u7528\u3002\u8fd9\u4f7f\u5f97Laravel\u6846\u67b6\u5177\u6709\u7075\u6d3b\u7684\u914d\u7f6e\u548c\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u6700\u5c0f\u7684\u4fee\u6539\u6765\u9002\u5e94\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n

\u5b9e\u73b0\u4f8b\u5b50<\/p>\n

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class UserRepository {\n    protected $db;\n\n    public function __construct($db) {\n        $this-&gt;db = $db;\n    }\n\n    public function getUsers() {\n        return $this-&gt;db-&gt;select('users', '*');\n    }\n}\n\nclass UserController {\n    protected $userRepository;\n\n    public function __construct(UserRepository $userRepository) {\n        $this-&gt;userRepository = $userRepository;\n    }\n\n    public function index() {\n        $users = $this-&gt;userRepository-&gt;getUsers();\n        return view('users.index', compact('users'));\n    }\n}\n\n$container = new Container;\n\n$container-&gt;bind('db', function () {\n    $host = env('DB_HOST');\n    $user = env('DB_USER');\n    $pass = env('DB_PASS');\n    $name = env('DB_NAME');\n    $db = new Database($host, $user, $pass, $name);\n    return $db;\n});\n\n$container-&gt;bind('userRepository', function ($c) {\n    $db = $c-&gt;get('db');\n    return new UserRepository($db);\n});\n\n$controller = $container-&gt;make('UserController');\n\n$response = $controller-&gt;index();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
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\u603b\u7ed3<\/p>\n
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\u5728laravel\u4e2d\uff0c\u63a7\u5236\u53cd\u8f6c\u548c\u53cd\u5c04\u662f\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u4eec\u662flaravel\u6846\u67b6\u7684\u6838\u5fc3\u7279\u6027\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u672c\u6587\u5c06\u8ba8\u8bba\u63a7\u5236\u53cd\u8f6c\u548c\u53cd\u5c04\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u4f8b\u3002 \u63a7\u5236\u53cd\u8f6c \u63a7\u5236\u53cd\u8f6c\uff08Inversion of Control\uff0cIoC\uff09\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u662f\u4e00\u79cd\u5c06\u63a7\u5236\u6743\u8f6c\u79fb\u7ed9\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u65b9\u5f0f\uff0c\u4ee5\u8fbe\u5230\u964d\u4f4e\u4ee3\u7801\u7684\u8026\u5408\u5ea6\u7684\u76ee\u7684\u3002 \u5728Laravel\u4e2d\uff0c\u63a7\u5236\u53cd\u8f6c\u662f\u6307\u5c06\u4f9d\u8d56\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u7ba1\u7406\u4ea4\u7531\u5bb9\u5668\u6765\u5904\u7406\uff0c\u800c\u4e0d\u662f\u7531\u5bf9\u8c61\u81ea\u5df1\u521b\u5efa\u6216\u7ba1\u7406\u4f9d\u8d56\u5bf9\u8c61\u3002\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u662f\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\uff08Dependency Injection\uff0cDI\uff09\u548c\u670d\u52a1\u5bb9\u5668\uff08Service Container\uff09\u3002 \u4f9d\u8d56\u6ce8\u5165\u662f\u6307\u901a\u8fc7\u6784\u9020\u51fd\u6570\u3001\u65b9\u6cd5\u53c2\u6570\u6216\u5c5e\u6027\uff0c\u81ea\u52a8\u5730\u5c06\u4f9d\u8d56\u5bf9\u8c61\u6ce8\u5165\u5230\u9700\u8981\u4f7f\u7528\u5b83\u4eec\u7684\u5bf9\u8c61\u4e2d\u3002\u4f9d\u8d56\u6ce8\u5165\u4f7f\u5f97\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u81ea\u5df1\u7684\u8d23\u4efb\uff0c\u800c\u4e0d\u9700\u8981\u5173\u5fc3\u4f9d\u8d56\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u7ba1\u7406\u95ee\u9898\u3002\u8fd9\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 \u670d\u52a1\u5bb9\u5668\u662f\u4e00\u4e2a\u53ef\u914d\u7f6e\u7684\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012\u53c2\u6570\u6216\u914d\u7f6e\u6587\u4ef6\uff0c\u8f7b\u677e\u5730\u7ba1\u7406\u548c\u89e3\u6790\u5bf9\u8c61\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u670d\u52a1\u5bb9\u5668\u7684\u4f7f\u7528\u4f7f\u5f97\u4ee3\u7801\u4e2d\u7684\u5bf9\u8c61\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u548c\u9762\u5411\u914d\u7f6e\u3002 \u53cd\u5c04 \u53cd\u5c04\uff08Reflection\uff09\u662f\u6307\u5728\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c\u65f6\uff0c\u52a8\u6001\u5730\u83b7\u53d6\u548c\u4fee\u6539\u5bf9\u8c61\u7684\u4fe1\u606f\u3001\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u53cd\u5c04\u53ef\u4ee5\u7528\u4e8e\u8bf8\u5982\u4ee3\u7801\u5206\u6790\u3001\u6d4b\u8bd5\u548c\u8c03\u8bd5\u7b49\u76ee\u7684\u3002 \u5728Laravel\u4e2d\uff0c\u53cd\u5c04\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u670d\u52a1\u5bb9\u5668\u548c\u8def\u7531\u5668\u4e2d\u3002\u901a\u8fc7\u53cd\u5c04\uff0c\u53ef\u4ee5\u52a8\u6001\u5730\u89e3\u6790\u7c7b\u548c\u5bf9\u8c61\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u5b9e\u4f8b\u5316\u548c\u8c03\u7528\u3002\u8fd9\u4f7f\u5f97Laravel\u6846\u67b6\u5177\u6709\u7075\u6d3b\u7684\u914d\u7f6e\u548c\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u6700\u5c0f\u7684\u4fee\u6539\u6765\u9002\u5e94\u4e0d\u540c\u7684\u9700\u6c42\u3002 \u5b9e\u73b0\u4f8b\u5b50 \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b9e\u73b0\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u63a7\u5236\u53cd\u8f6c\u548c\u53cd\u5c04\u6765\u521b\u5efa\u548c\u7ba1\u7406\u5bf9\u8c61\u7684\u4f9d\u8d56\u5173\u7cfb\uff1a class UserRepository { protected $db; public function __construct($db) { $this-&gt;db = $db; } public function getUsers() { return $this-&gt;db-&gt;select(‘users’, ‘*’); } } class UserController { protected $userRepository; public function __construct(UserRepository $userRepository) { $this-&gt;userRepository = $userRepository; } public function index() { […]<\/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-23101","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23101","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=23101"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23101\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}