{"id":28980,"date":"2023-05-09T11:44:13","date_gmt":"2023-05-09T03:44:13","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=28980"},"modified":"2023-07-30T23:49:12","modified_gmt":"2023-07-30T15:49:12","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e6%88%91%e4%bb%ac%e9%9c%80%e8%a6%81laravel-ioc%e5%ae%b9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/28980.html","title":{"rendered":"\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981Laravel IoC\u5bb9\u5668"},"content":{"rendered":"
\n

\u56e0\u4e3aLaravel \u54f2\u5b66\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u5c31\u662f IoC \u5bb9\u5668\uff0c\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u670d\u52a1\u5bb9\u5668\u3002\u5b83\u662f\u4e00\u4e2a Laravel \u5e94\u7528\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u56e0\u6b64\u7406\u89e3\u5e76\u4f7f\u7528 IoC \u5bb9\u5668\u662f\u6211\u4eec\u5fc5\u987b\u638c\u63e1\u7684\u4e00\u9879\u91cd\u8981\u6280\u80fd\u3002IoC \u5bb9\u5668\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u7c7b\u7ba1\u7406\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u81ea\u52a8\u89e3\u6790\u7c7b\u3002<\/p>\n<\/blockquote>\n

\n
\"\"<\/figure>\n<\/div>\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981Laravel IoC\u5bb9\u5668<\/strong><\/h2>\n

\u56e0\u4e3aLaravel \u54f2\u5b66\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u5c31\u662f IoC \u5bb9\u5668\uff0c\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u670d\u52a1\u5bb9\u5668\u3002\u5b83\u662f\u4e00\u4e2a Laravel \u5e94\u7528\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u56e0\u6b64\u7406\u89e3\u5e76\u4f7f\u7528 IoC \u5bb9\u5668\u662f\u6211\u4eec\u5fc5\u987b\u638c\u63e1\u7684\u4e00\u9879\u91cd\u8981\u6280\u80fd\u3002IoC \u5bb9\u5668\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u7c7b\u7ba1\u7406\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u81ea\u52a8\u89e3\u6790\u7c7b\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u60f3\u5148\u8c08\u4e0b\u4f9d\u8d56\u53cd\u8f6c\u539f\u5219\uff0c\u5bf9\u5b83\u7684\u4e86\u89e3\u4f1a\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3 IoC \u5bb9\u5668\u7684\u91cd\u8981\u6027\u3002<\/p>\n

\u8be5\u539f\u5219\u89c4\u5b9a\uff1a<\/p>\n

\u9ad8\u5c42\u6b21\u7684\u6a21\u5757\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u4f4e\u5c42\u6b21\u7684\u6a21\u5757\uff0c\u4e24\u8005\u90fd\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u63a5\u53e3\u3002
\u62bd\u8c61\u63a5\u53e3\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u5177\u4f53\u5b9e\u73b0\u3002\u800c\u5177\u4f53\u5b9e\u73b0\u5219\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u63a5\u53e3\u3002<\/p>\n

\u4e00\u8a00\u4ee5\u853d\u4e4b\uff1a\u4f9d\u8d56\u4e8e\u62bd\u8c61\u800c\u975e\u5177\u4f53<\/p>\n

class MySQLConnection<\/p>\n

{<\/p>\n

\u00a0 \u00a0\/**<\/p>\n

\u00a0\u00a0 * \u6570\u636e\u5e93\u8fde\u63a5<\/p>\n

\u00a0\u00a0 *\/<\/p>\n

\u00a0\u00a0 public function connect()<\/p>\n

\u00a0\u00a0 {<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 var_dump(\u2018MYSQL Connection\u2019);<\/p>\n

\u00a0\u00a0 }<\/p>\n

}<\/p>\n

class PasswordReminder<\/p>\n

{\u00a0\u00a0\u00a0<\/p>\n

\u00a0\u00a0\u00a0 \/**<\/p>\n

\u00a0\u00a0\u00a0\u00a0 * @var MySQLConnection<\/p>\n

\u00a0\u00a0\u00a0\u00a0 *\/<\/p>\n

\u00a0\u00a0\u00a0\u00a0 private $dbConnection;<\/p>\n

\u00a0\u00a0\u00a0 public function __construct(MySQLConnection $dbConnection)<\/p>\n

\u00a0\u00a0\u00a0 {<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 $this->dbConnection = $dbConnection;<\/p>\n

\u00a0\u00a0\u00a0 }<\/p>\n

}<\/p>\n

\u5927\u5bb6\u5e38\u5e38\u4f1a\u6709\u4e00\u4e2a\u8bef\u89e3\uff0c\u90a3\u5c31\u662f\u4f9d\u8d56\u53cd\u8f6c\u5c31\u53ea\u662f\u4f9d\u8d56\u6ce8\u5165\u7684\u53e6\u4e00\u79cd\u8bf4\u6cd5\u3002\u4f46\u5176\u5b9e\u4e8c\u8005\u662f\u4e0d\u540c\u7684\u3002\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u5c3d\u7ba1\u5728 PasswordReminder \u7c7b\u4e2d\u6ce8\u5165\u4e86 MySQLConnection \u7c7b\uff0c\u4f46\u5b83\u8fd8\u662f\u4f9d\u8d56\u4e8e MySQLConnection \u7c7b\u3002<\/p>\n

\u7136\u800c\uff0c\u9ad8\u5c42\u6b21\u6a21\u5757 PasswordReminder \u662f\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u4f4e\u5c42\u6b21\u6a21\u5757 MySQLConnection \u7684\u3002<\/p>\n

\u5982\u679c\u6211\u4eec\u60f3\u8981\u628a MySQLConnection \u6539\u6210 MongoDBConnection\uff0c\u90a3\u6211\u4eec\u5c31\u8fd8\u5f97\u624b\u52a8\u4fee\u6539 PasswordReminder \u7c7b\u6784\u9020\u51fd\u6570\u91cc\u7684\u4f9d\u8d56\u3002<\/p>\n

PasswordReminder \u7c7b\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u63a5\u53e3\uff0c\u800c\u975e\u5177\u4f53\u7c7b\u3002\u90a3\u6211\u4eec\u8981\u600e\u4e48\u505a\u5462\uff1f\u8bf7\u770b\u4e0b\u9762\u7684\u4f8b\u5b50\uff1a<\/p>\n

interface ConnectionInterface<\/p>\n

{<\/p>\n

\u00a0\u00a0 public function connect();<\/p>\n

}<\/p>\n

class DbConnection implements ConnectionInterface<\/p>\n

{<\/p>\n

\u00a0\/**<\/p>\n

\u00a0 * \u6570\u636e\u5e93\u8fde\u63a5<\/p>\n

\u00a0 *\/<\/p>\n

\u00a0public function connect()<\/p>\n

\u00a0{<\/p>\n

\u00a0\u00a0 var_dump(\u2018MYSQL Connection\u2019);<\/p>\n

\u00a0}<\/p>\n

}<\/p>\n

class PasswordReminder<\/p>\n

{<\/p>\n

\u00a0\u00a0\u00a0 \/**<\/p>\n

\u00a0\u00a0\u00a0 * @var DBConnection<\/p>\n

\u00a0\u00a0\u00a0 *\/<\/p>\n

\u00a0\u00a0\u00a0 private $dbConnection;<\/p>\n

\u00a0\u00a0\u00a0 public function __construct(ConnectionInterface $dbConnection)<\/p>\n

\u00a0\u00a0\u00a0 {<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 $this->dbConnection = $dbConnection;<\/p>\n

\u00a0\u00a0\u00a0 }<\/p>\n

}<\/p>\n

\u901a\u8fc7\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u5982\u679c\u6211\u4eec\u60f3\u628a MySQLConnection \u6539\u6210 MongoDBConnection\uff0c\u6839\u672c\u4e0d\u9700\u8981\u53bb\u4fee\u6539 PasswordReminder \u7c7b\u6784\u9020\u51fd\u6570\u91cc\u7684\u4f9d\u8d56\u3002\u56e0\u4e3a\u73b0\u5728 PasswordReminder \u7c7b\u4f9d\u8d56\u7684\u662f\u63a5\u53e3\uff0c\u800c\u975e\u5177\u4f53\u7c7b\u3002<\/p>\n

\u73b0\u5728\u6211\u8981\u8bb2\u4e0b IoC \u5bb9\u5668\u91cc\u5230\u5e95\u53d1\u751f\u4e86\u4ec0\u4e48\u3002\u6211\u4eec\u53ef\u4ee5\u628a IoC \u5bb9\u5668\u7b80\u5355\u5730\u7406\u89e3\u4e3a\u5c31\u662f\u4e00\u4e2a\u5bb9\u5668\uff0c\u91cc\u9762\u88c5\u7684\u662f\u7c7b\u7684\u4f9d\u8d56\u3002<\/p>\n

OrderRepositoryInterface \u63a5\u53e3\uff1a<\/p>\n

namespace App\\Repositories;<\/p>\n

interface OrderRepositoryInterface<\/p>\n

{<\/p>\n

\u00a0\u00a0 public function getAll();<\/p>\n

}<\/p>\n

DbOrderRepository \u7c7b\uff1a<\/p>\n

namespace App\\Repositories;<\/p>\n

class DbOrderRepository implements OrderRepositoryInterface<\/p>\n

{<\/p>\n

\u00a0 function getAll()<\/p>\n

\u00a0 {<\/p>\n

\u00a0\u00a0\u00a0 return \u2018Getting all from mysql\u2019;<\/p>\n

\u00a0 }<\/p>\n

}<\/p>\n

OrdersController \u7c7b\uff1a<\/p>\n

namespace App\\Http\\Controllers;<\/p>\n

use Illuminate\\Http\\Request;<\/p>\n

use App\\Http\\Requests;<\/p>\n

use App\\Repositories\\OrderRepositoryInterface;<\/p>\n

class OrdersController extends Controller<\/p>\n

{<\/p>\n

\u00a0\u00a0\u00a0 protected $order;<\/p>\n

\u00a0\u00a0 function __construct(OrderRepositoryInterface $order)<\/p>\n

\u00a0\u00a0 {<\/p>\n

\u00a0\u00a0\u00a0\u00a0 $this->order = $order;<\/p>\n

\u00a0\u00a0 }<\/p>\n

\u00a0\u00a0 public function index()<\/p>\n

\u00a0\u00a0 {<\/p>\n

\u00a0\u00a0\u00a0\u00a0 dd($this->order->getAll());<\/p>\n

\u00a0\u00a0\u00a0\u00a0 return View::make(orders.index);<\/p>\n

\u00a0\u00a0 }<\/p>\n

}<\/p>\n

\u8def\u7531\uff1a<\/p>\n

Route::resource(\u2018orders\u2019, \u2018OrdersController\u2019);<\/p>\n

\u73b0\u5728\uff0c\u5728\u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u8fd9\u4e2a\u5730\u5740\u00a0<http:\/\/localhost:8000\/orders><\/p>\n

\u62a5\u9519\u4e86\u5427\uff0c\u9519\u8bef\u7684\u539f\u56e0\u662f\u670d\u52a1\u5bb9\u5668\u6b63\u5728\u5c1d\u8bd5\u53bb\u5b9e\u4f8b\u5316\u4e00\u4e2a\u63a5\u53e3\uff0c\u800c\u63a5\u53e3\u662f\u4e0d\u80fd\u88ab\u5b9e\u4f8b\u5316\u7684\u3002\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ea\u9700\u628a\u63a5\u53e3\u7ed1\u5b9a\u5230\u4e00\u4e2a\u5177\u4f53\u7684\u7c7b\u4e0a\u3002<\/p>\n

\u628a\u4e0b\u9762\u8fd9\u884c\u4ee3\u7801\u52a0\u5728\u8def\u7531\u6587\u4ef6\u91cc\u5c31\u641e\u5b9a\u4e86\uff1a<\/p>\n

App::bind(\u2018App\\Repositories\\OrderRepositoryInterface\u2019, \u2018App\\Repositories\\DbOrderRepository\u2019)<\/p>\n

\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n

\u4e8c\u3001\u63a7\u5236\u53cd\u8f6c\u548c\u4f9d\u8d56\u6ce8\u5165\u662f\u4ec0\u4e48<\/strong><\/h2>\n

\u63a7\u5236\u53cd\u8f6c\uff0c\u662f\u6307\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u914d\u7f6e\u7684\u63a7\u5236\u6743\u4ece\u8c03\u7528\u65b9\u8f6c\u79fb\u7ed9\u5bb9\u5668\u3002\u597d\u6bd4\u5728\u5bb6\u81ea\u5df1\u505a\u83dc\uff0c\u83dc\u7684\u5473\u9053\u5168\u90e8\u7531\u81ea\u5df1\u63a7\u5236\uff1b\u53bb\u9910\u9986\u5403\u996d\uff0c\u83dc\u7684\u5473\u9053\u5219\u662f\u4ea4\u7531\u9910\u9986\u63a7\u5236\u3002IoC \u5bb9\u5668\u5c31\u62c5\u4efb\u4e86\u9910\u9986\u7684\u89d2\u8272\u3002<\/p>\n

\u6709\u4e86 IoC \u5bb9\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5bf9\u8c61\u4ea4\u7531\u5bb9\u5668\u7ba1\u7406\uff0c\u4ea4\u7531\u5bb9\u5668\u7ba1\u7406\u540e\u7684\u5bf9\u8c61\u79f0\u4e4b\u4e3a Bean\u3002\u8c03\u7528\u65b9\u4e0d\u518d\u8d1f\u8d23\u7ec4\u4ef6\u7684\u521b\u5efa\uff0c\u8981\u4f7f\u7528\u7ec4\u4ef6\u65f6\u76f4\u63a5\u83b7\u53d6 Bean \u5373\u53ef\uff1a<\/p>\n

@Component<\/p>\n

public class UserServiceImpl implements UserService{<\/p>\n

\u00a0\u00a0\u00a0 @Autowired \/\/ \u83b7\u53d6 Bean<\/p>\n

\u00a0\u00a0\u00a0 private UserDao userDao;<\/p>\n

}<\/p>\n

\u8c03\u7528\u65b9\u53ea\u9700\u6309\u7167\u7ea6\u5b9a\u58f0\u660e\u4f9d\u8d56\u9879\uff0c\u6240\u9700\u8981\u7684 Bean \u5c31\u81ea\u52a8\u914d\u7f6e\u5b8c\u6bd5\u4e86\uff0c\u5c31\u597d\u50cf\u5728\u8c03\u7528\u65b9\u5916\u90e8\u6ce8\u5165\u4e86\u4e00\u4e2a\u4f9d\u8d56\u9879\u7ed9\u5176\u4f7f\u7528\uff0c\u6240\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u79f0\u4e4b\u4e3a \u4f9d\u8d56\u6ce8\u5165\uff08Dependency Injection\uff0c\u7f29\u5199\u4e3a DI\uff09\u3002\u63a7\u5236\u53cd\u8f6c\u548c\u4f9d\u8d56\u6ce8\u5165\u662f\u4e00\u4f53\u4e24\u9762\uff0c\u90fd\u662f\u540c\u4e00\u79cd\u5f00\u53d1\u6a21\u5f0f\u7684\u8868\u73b0\u5f62\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u56e0\u4e3aLaravel \u54f2\u5b66\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u5c31\u662f IoC \u5bb9\u5668\uff0c\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u670d\u52a1\u5bb9\u5668\u3002\u5b83\u662f\u4e00\u4e2a Laravel \u5e94 […]","protected":false},"author":1,"featured_media":28981,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/28980"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=28980"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/28980\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/28981"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=28980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=28980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=28980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}