{"id":22685,"date":"2024-11-21T10:28:49","date_gmt":"2024-11-21T02:28:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22685\/"},"modified":"2024-11-21T10:28:49","modified_gmt":"2024-11-21T02:28:49","slug":"laravel-di%e5%8f%8d%e8%bd%ac%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22685\/","title":{"rendered":"laravel di\u53cd\u8f6c\u539f\u7406"},"content":{"rendered":"<p>laravel\u662f\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684php\u6846\u67b6\uff0c\u5b83\u4ee5\u5176\u7b80\u6d01\u3001\u4f18\u96c5\u3001\u6613\u4e8e\u4f7f\u7528\u7684\u7279\u70b9\u4fbf\u5e7f\u53d7\u5f00\u53d1\u8005\u7684\u9752\u7750\u3002\u5176\u5b9e\uff0claravel\u6846\u67b6\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u6027\u5c31\u662f\u4f9d\u8d56\u6ce8\u5165\uff08di\uff09\uff0c\u53cd\u8f6c\u63a7\u5236\uff08ioc\uff09\uff0c\u8fd9\u4f7f\u5f97laravel\u5728\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u65f6\u53d8\u5f97\u66f4\u52a0\u4f18\u96c5\u548c\u5bb9\u6613\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8laravel\u7684di\u548c\u53cd\u8f6c\u539f\u7406\u3002<\/p>\n<ol>\n<li>\u4ec0\u4e48\u662f\u4f9d\u8d56\u6ce8\u5165\uff1f<\/li>\n<\/ol>\n<p>\u5728\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4e00\u4e2a\u7c7b\u901a\u5e38\u4f1a\u4f9d\u8d56\u53e6\u4e00\u4e2a\u7c7b\u6216\u5bf9\u8c61\u624d\u80fd\u5b8c\u6210\u5176\u4efb\u52a1\u3002\u5728\u4f20\u7edf\u7684\u7f16\u7a0b\u6a21\u578b\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5728\u7c7b\u4e2d\u5b9e\u4f8b\u5316\u8fd9\u4e9b\u4f9d\u8d56\u9879\u3002\u8fd9\u79cd\u65b9\u5f0f\u867d\u7136\u7b80\u5355\u660e\u4e86\uff0c\u4f46\u662f\u5b83\u4f1a\u4f7f\u5f97\u7c7b\u4e0e\u4f9d\u8d56\u9879\u4e4b\u95f4\u7d27\u5bc6\u8026\u5408\u3002<\/p>\n<p>\u4f9d\u8d56\u6ce8\u5165\u662f\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5c06\u7c7b\u548c\u5b83\u6240\u4f9d\u8d56\u7684\u5bf9\u8c61\u5206\u79bb\uff0c\u5e76\u901a\u8fc7\u63a5\u53e3\u5c06\u5b83\u4eec\u8054\u7cfb\u8d77\u6765\u3002\u4f9d\u8d56\u9879\u5728\u6784\u9020\u51fd\u6570\u4e2d\u4f20\u9012\u7ed9\u7c7b\uff0c\u4ece\u800c\u4f7f\u5f97\u7c7b\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u4f7f\u7528\u5b83\u4eec\u3002\u56e0\u6b64\uff0c\u4f9d\u8d56\u6ce8\u5165\u53ef\u4ee5\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u548c\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u6269\u5c55\u3002<\/p>\n<ol>\n<li>Laravel\u7684\u4f9d\u8d56\u6ce8\u5165<\/li>\n<\/ol>\n<p>\u5728Laravel\u6846\u67b6\u4e2d\uff0c\u4f9d\u8d56\u6ce8\u5165\u901a\u8fc7\u670d\u52a1\u5bb9\u5668\u548c\u7ed1\u5b9a\u5b9e\u73b0\u3002\u670d\u52a1\u5bb9\u5668\u662fLaravel\u7684\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\uff0c\u5b83\u5141\u8bb8\u60a8\u7ba1\u7406\u548c\u6ce8\u5165\u4f9d\u8d56\u9879\u3002<\/p>\n<p>\u7ed1\u5b9a\u662f\u5c06\u63a5\u53e3\u6216\u7c7b\u7ed1\u5b9a\u5230\u670d\u52a1\u5bb9\u5668\u4e2d\u7684\u5b9e\u4f8b\u3002\u4e00\u65e6\u7ed1\u5b9a\u5b8c\u6210\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5bb9\u5668\u89e3\u6790\u5668\u6765\u4ece\u5bb9\u5668\u4e2d\u5b9e\u4f8b\u5316\u8fd9\u4e9b\u5bf9\u8c61\u3002<\/p>\n<p>\u5728Laravel\u6846\u67b6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e09\u79cd\u7ed1\u5b9a\u7c7b\u578b\uff1a\u7ed1\u5b9a\u5b9e\u4f8b\u3001\u7ed1\u5b9a\u4e0a\u4e0b\u6587\u3001\u7ed1\u5b9a\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b\u3002\u4e0b\u9762\u6211\u4eec\u5206\u522b\u6765\u4e86\u89e3\u4e00\u4e0b\u5b83\u4eec\u3002<\/p>\n<p>2.1 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<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4f9d\u8d56\u6ce8\u5165\u6765\u6ce8\u5165TaskRepository\u4f9d\u8d56\u9879\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5728\u670d\u52a1\u5bb9\u5668\u4e2d\u7ed1\u5b9aTaskRepository\u7684\u5b9e\u4f8b\uff1a<\/p>\n<pre>$this-&amp;gt;app-&amp;gt;bind('TaskRepository', function($app) {\n    return new TaskRepository();\n});<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528$app\u5b9e\u4f8b\u6765\u521b\u5efaTaskRepository\u7684\u65b0\u5b9e\u4f8b\uff0c\u7136\u540e\u5c06\u5176\u8fd4\u56de\u3002\u4e00\u65e6\u6211\u4eec\u5c06TaskRepository\u7ed1\u5b9a\u5230\u5bb9\u5668\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528TaskController\u7684\u6784\u9020\u51fd\u6570\u5c06\u5176\u6ce8\u5165\u5230\u63a7\u5236\u5668\u4e2d\u3002<\/p>\n<p>2.2 \u7ed1\u5b9a\u4e0a\u4e0b\u6587<\/p>\n<p>\u7ed1\u5b9a\u4e0a\u4e0b\u6587\u5141\u8bb8\u6211\u4eec\u5728\u670d\u52a1\u5bb9\u5668\u4e2d\u7ed1\u5b9a\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u3002\u5f53\u7c7b\u88ab\u89e3\u6790\u65f6\uff0c\u670d\u52a1\u5bb9\u5668\u4f1a\u5148\u5c1d\u8bd5\u4ece\u7ed1\u5b9a\u4e0a\u4e0b\u6587\u4e2d\u67e5\u627e\u8be5\u7c7b\uff0c\u7136\u540e\u5728\u9700\u8981\u65f6\u5c06\u5176\u6ce8\u5165\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u53ef\u80fd\u4f1a\u4f7f\u7528\u5230\u591a\u4e2aTaskRepository\u5bf9\u8c61\u3002\u5982\u679c\u6211\u4eec\u5c06\u5b83\u4eec\u5168\u90e8\u7ed1\u5b9a\u5230\u5bb9\u5668\u4e2d\uff0c\u90a3\u4e48\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u4f1a\u5360\u7528\u5185\u5b58\u7a7a\u95f4\uff0c\u5e76\u4e14\u6211\u4eec\u5728\u63a7\u5236\u5668\u4e2d\u4f7f\u7528TaskRepository\u65f6\uff0c\u65e0\u6cd5\u533a\u5206\u4f7f\u7528\u54ea\u4e2a\u5bf9\u8c61\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ed1\u5b9a\u3002\u8fd9\u4f7f\u6211\u4eec\u80fd\u591f\u5c06\u4e0d\u540c\u7684TaskRepository\u5b9e\u4f8b\u7ed1\u5b9a\u5230\u5bb9\u5668\u4e0a\u4e0b\u6587\u4e2d\uff0c\u901a\u8fc7Key\u503c\u533a\u5206\u662f\u4f7f\u7528\u54ea\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>$this-&amp;gt;app-&amp;gt;when('AppHttpControllersTaskController')\n    -&amp;gt;needs('TaskRepository')\n    -&amp;gt;give(function ($app) {\n        if (session('useMock')) {\n            return new TaskRepositoryMock();\n        } else {\n            return new TaskRepository();\n        }\n    });<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u670d\u52a1\u5bb9\u5668\u7684when()\u65b9\u6cd5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u7c7b\u540d\u4f5c\u4e3a\u53c2\u6570\uff0c\u8868\u793a\u5728\u54ea\u4e2a\u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e2d\u9700\u8981\u6ce8\u5165\u4f9d\u8d56\u9879\u3002<\/p>\n<p>needs()\u65b9\u6cd5\u544a\u8bc9\u5bb9\u5668\u6211\u4eec\u9700\u8981\u54ea\u4e2a\u4f9d\u8d56\u9879\uff0c\u800cgive()\u65b9\u6cd5\u5b9e\u9645\u8fd4\u56de\u6211\u4eec\u9700\u8981\u7684\u5b9e\u4f8b\u3002<\/p>\n<p>2.3 \u7ed1\u5b9a\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b<\/p>\n<p>\u5728Laravel\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u7528\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b\u6765\u5b9a\u4e49\u5916\u90e8\u4f9d\u8d56\u9879\u3002\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u628a\u8fd9\u4e9b\u63a5\u53e3\u6216\u62bd\u8c61\u7c7b\u7ed1\u5b9a\u5230\u5b9e\u9645\u7684\u5b9e\u73b0\u7c7b\u4e0a\u3002\u8fd9\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u5728\u63a7\u5236\u5668\u6216\u5176\u4ed6\u7c7b\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u4f9d\u8d56\u9879\uff0c\u800c\u65e0\u9700\u5173\u5fc3\u5b83\u4eec\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u80fd\u6709\u4e00\u4e2aTaskRepository\u63a5\u53e3\uff0c\u7528\u4e8e\u5904\u7406\u5173\u4e8e\u4efb\u52a1\u7684\u4e00\u4e9b\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u63a5\u53e3\u7ed1\u5b9a\u5230\u4e00\u4e2a\u5177\u4f53\u7684\u7c7b\u3002\u8fd9\u6837\uff0c\u5f53\u6211\u4eec\u5728\u63a7\u5236\u5668\u4e2d\u9700\u8981\u4e00\u4e2aTaskRepository\u5bf9\u8c61\u65f6\uff0c\u670d\u52a1\u5bb9\u5668\u5c31\u4f1a\u81ea\u52a8\u5730\u8fd4\u56de\u5b83\u7684\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<pre>$this-&amp;gt;app-&amp;gt;bind('TaskRepository', 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