laravel \u662f\u4e00\u6b3e\u6d41\u884c\u7684 php \u5f00\u53d1\u6846\u67b6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u9ad8\u6548\u5730\u6784\u5efa web \u5e94\u7528\u7a0b\u5e8f\u3002\u4f5c\u4e3a\u4e00\u4e2a\u73b0\u4ee3\u5316\u7684\u6846\u67b6\uff0claravel \u96c6\u6210\u4e86\u8bb8\u591a\u5148\u8fdb\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u8def\u7531\u63a7\u5236\u53cd\u8f6c\uff08inversion of control\uff09\u3002<\/p>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5ea6\u63a2\u8ba8 Laravel \u8def\u7531\u63a7\u5236\u53cd\u8f6c\u7684\u5b9e\u73b0\u539f\u7406\u3001\u4f18\u52bf\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u5730\u4f7f\u7528\u5b83\u6765\u4f18\u5316\u4f60\u7684 Web \u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n
\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u662f\u4ec0\u4e48\uff1f<\/p>\n
\u8def\u7531\u63a7\u5236\u53cd\u8f6c\uff0c\u53c8\u79f0\u4e3a\u4f9d\u8d56\u6ce8\u5165\uff08Dependency Injection\uff09\uff0c\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u7f16\u7a0b\u539f\u5219\uff0c\u5b83\u5efa\u8bae\u5c06\u5bf9\u8c61\u4e4b\u95f4\u7684\u4f9d\u8d56\u53cd\u8f6c\u8fc7\u6765\uff0c\u4ee5\u4fbf\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u6d4b\u8bd5\u6027\u3002\u5728 Laravel \u4e2d\uff0c\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7ec4\u7ec7\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u4f7f\u5176\u66f4\u5bb9\u6613\u6269\u5c55\u548c\u7ef4\u62a4\u3002<\/p>\n
\u4f7f\u7528\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u7684\u4f18\u52bf<\/p>\n
Laravel \u8def\u7531\u63a7\u5236\u53cd\u8f6c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5b9e\u73b0\u5bf9\u8c61\u4e4b\u95f4\u7684\u677e\u6563\u8026\u5408\u3002\u8fd9\u610f\u5473\u7740\u4f60\u7684\u4ee3\u7801\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u6269\u5c55\u548c\u4fee\u6539\uff0c\u800c\u4e0d\u4f1a\u5f71\u54cd\u5230\u5176\u4ed6\u90e8\u5206\u7684\u4ee3\u7801\u3002<\/p>\n
\u6309\u7167\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u7684\u539f\u5219\u7f16\u5199\u7684\u4ee3\u7801\u901a\u5e38\u662f\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u7684\u3002\u8fd9\u4f7f\u5f97\u5728\u66f4\u65b0\u6216\u4fee\u590d\u4ee3\u7801\u65f6\u66f4\u5bb9\u6613\u627e\u5230\u548c\u4fee\u590d\u9519\u8bef\uff0c\u800c\u4e0d\u4f1a\u4ea7\u751f\u5176\u4ed6\u95ee\u9898\u3002<\/p>\n
\u4f7f\u7528\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u53ef\u4ee5\u4f7f\u6d4b\u8bd5\u66f4\u5bb9\u6613\u3002\u5bf9\u8c61\u7684\u6d4b\u8bd5\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u88ab\u5206\u79bb\u51fa\u6765\u5e76\u66f4\u51c6\u786e\u5730\u88ab\u6d4b\u8bd5\u3002\u8fd9\u4e5f\u53ef\u4ee5\u6539\u5584\u4ee3\u7801\u7684\u6574\u4f53\u8d28\u91cf\u3002<\/p>\n
Laravel \u8def\u7531\u63a7\u5236\u53cd\u8f6c\u7684\u5b9e\u73b0\u539f\u7406<\/p>\n
\u5728 Laravel \u4e2d\uff0c\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u901a\u5e38\u57fa\u4e8e\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\uff08Dependency Injection Container\uff09\u8fdb\u884c\u5b9e\u73b0\u3002\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u7ba1\u7406\u548c\u5b9e\u73b0\u5bf9\u8c61\u4f9d\u8d56\u6027\u7684\u5de5\u5177\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u5728 Laravel \u4e2d\u4f7f\u7528\u4f9d\u8d56\u6ce8\u5165\uff1a<\/p>\n
class UserController extends Controller\n{\n protected $db;\n\n public function __construct(Database $db)\n {\n $this->db = $db;\n }\n\n public function show($id)\n {\n $user = $this->db->find($id);\n\n return view('user.show', ['user' => $user]);\n }\n}<\/pre>\n \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528 Database \u7c7b\u6765\u68c0\u7d22\u7528\u6237\u7684\u4fe1\u606f\u3002\u4f46\u662f\u8fd9\u4e2a\u7c7b\u4e0d\u662f Controller \u7684\u76f4\u63a5\u4f9d\u8d56\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5c06\u5b83\u5b58\u50a8\u5230\u8be5\u7c7b\u7684\u79c1\u6709\u5c5e\u6027\u4e2d\uff0c\u5e76\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5c06\u5176\u6ce8\u5165\u3002\u8fd9\u79cd\u65b9\u5f0f\u5141\u8bb8\u6211\u4eec\u4ece Controller \u7c7b\u4e2d\u5206\u79bb\u51fa Database \u7c7b\uff0c\u5e76\u5728\u9700\u8981\u65f6\u8f7b\u677e\u5730\u66f4\u6362\u5bf9\u8c61\uff0c\u5e76\u4fdd\u6301\u4ee3\u7801\u7684\u677e\u6563\u8026\u5408\u3002<\/p>\n
\u53e6\u4e00\u4e2a\u793a\u4f8b\u662f\u5c06\u4f9d\u8d56\u5c01\u88c5\u5728\u670d\u52a1\u5bb9\u5668\u4e2d\uff1a<\/p>\n
class DatabaseServiceProvider extends ServiceProvider\n{\n public function register()\n {\n $this->app->singleton(Database::class, function ($app) {\n return new Database(\n $app->make(PDO::class),\n $app->config->get('database')\n );\n });\n }\n}<\/pre>\n \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 Laravel \u7684\u5bb9\u5668\u6765\u6ce8\u518c\u5355\u4f8b\u5bf9\u8c61 Database\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8f7b\u677e\u5730\u83b7\u53d6\u548c\u6ce8\u5165 Database \u7c7b\u4e86\u3002<\/p>\n
\u4f7f\u7528\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u7684\u6700\u4f73\u5b9e\u8df5<\/p>\n
\n- \u4f7f\u7528\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668<\/li>\n<\/ol>\n
\u5728 Laravel \u4e2d\uff0c\u5bb9\u5668\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7b80\u5316\u4f9d\u8d56\u6ce8\u5165\u3002\u5f53\u4f60\u9700\u8981\u5b9e\u4f8b\u5316\u4e00\u4e2a\u5bf9\u8c61\u65f6\uff0c\u5bb9\u5668\u4f1a\u81ea\u52a8\u89e3\u6790\u548c\u6ce8\u5165\u6240\u6709\u7684\u4f9d\u8d56\u9879\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u53c2\u6570\u4f20\u9012\u3002\u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u907f\u514d\u5728\u4ee3\u7801\u4e2d\u624b\u52a8\u6ce8\u5165\u4f9d\u8d56\u9879\uff0c\u5e76\u5141\u8bb8 Laravel \u5bb9\u5668\u6765\u8d1f\u8d23\u7ba1\u7406\u4f9d\u8d56\u9879\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n
\n- \u5206\u79bb\u4e1a\u52a1\u903b\u8f91<\/li>\n<\/ol>\n
\u5728\u4f7f\u7528\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u65f6\uff0c\u5e94\u5c3d\u53ef\u80fd\u5730\u5c06\u4e1a\u52a1\u903b\u8f91\u5206\u79bb\u5230\u72ec\u7acb\u7684\u7c7b\u4e2d\u3002\u8fd9\u53ef\u4ee5\u4f7f\u4f60\u7684\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u6d4b\u8bd5\uff0c\u5e76\u9f13\u52b1\u91cd\u7528\u4ee3\u7801\u3002<\/p>\n
\n- \u9075\u5faa SOLID \u539f\u5219<\/li>\n<\/ol>\n
SOLID \u539f\u5219\u662f\u5bf9\u8c61\u5bfc\u5411\u7f16\u7a0b\u4e2d\u7684\u4e00\u7ec4\u539f\u5219\uff0c\u5b83\u4eec\u5e2e\u52a9\u4f60\u7f16\u5199\u53ef\u7ef4\u62a4\u3001\u53ef\u6269\u5c55\u548c\u53ef\u6d4b\u8bd5\u7684\u4ee3\u7801\u3002\u5728\u4f7f\u7528\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u65f6\uff0c\u8bf7\u786e\u4fdd\u9075\u5faa\u8fd9\u4e9b\u539f\u5219\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6574\u4f53\u8d28\u91cf\u3002<\/p>\n
\u5c0f\u7ed3<\/p>\n
\u8def\u7531\u63a7\u5236\u53cd\u8f6c\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7ec4\u7ec7\u4ee3\u7801\u3001\u63d0\u9ad8\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002\u5728 Laravel \u4e2d\uff0c\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u800c\u4f18\u96c5\u7684\u65b9\u5f0f\u6765\u4f7f\u7528\u8be5\u539f\u5219\u3002\u8bf7\u786e\u4fdd\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u4fbf\u6700\u5927\u5316\u5229\u7528\u8be5\u7279\u6027\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u8d28\u91cf\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662flaravel \u8def\u7531\u63a7\u5236\u53cd\u8f6c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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