{"id":1192,"date":"2025-01-23T23:57:30","date_gmt":"2025-01-23T15:57:30","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1192"},"modified":"2025-01-24T00:08:02","modified_gmt":"2025-01-23T16:08:02","slug":"yii-%e9%ab%98%e7%ba%a7%e7%89%b9%e6%80%a7%ef%bc%9a%e4%ba%8b%e4%bb%b6%e3%80%81%e8%a1%8c%e4%b8%ba%e3%80%81rbac-%e6%9d%83%e9%99%90%e4%b8%8e%e7%bc%93%e5%ad%98%e4%bc%98%e5%8c%96%e5%85%a8%e9%9d%a2%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/01\/23\/yii-%e9%ab%98%e7%ba%a7%e7%89%b9%e6%80%a7%ef%bc%9a%e4%ba%8b%e4%bb%b6%e3%80%81%e8%a1%8c%e4%b8%ba%e3%80%81rbac-%e6%9d%83%e9%99%90%e4%b8%8e%e7%bc%93%e5%ad%98%e4%bc%98%e5%8c%96%e5%85%a8%e9%9d%a2%e8%a7%a3\/","title":{"rendered":"Yii \u9ad8\u7ea7\u7279\u6027\uff1a\u4e8b\u4ef6\u3001\u884c\u4e3a\u3001RBAC \u6743\u9650\u4e0e\u7f13\u5b58\u4f18\u5316\u5168\u9762\u89e3\u6790"},"content":{"rendered":"\n

Yii\u6846\u67b6\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u57fa\u7840\u529f\u80fd<\/a>\uff0c\u8fd8\u652f\u6301\u8bb8\u591a\u9ad8\u7ea7\u7279\u6027\uff0c\u8fd9\u4e9b\u7279\u6027\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u6784\u5efa\u66f4\u9ad8\u6548\u3001\u53ef\u7ef4\u62a4\u548c\u53ef\u6269\u5c55\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u672c\u7ae0\u8282\u5c06\u8be6\u7ec6\u4ecb\u7ecd Yii \u7684\u7ec4\u4ef6\u8bbe\u8ba1\u6a21\u5f0f\u3001\u4f9d\u8d56\u6ce8\u5165\u3001\u4e8b\u4ef6\u4e0e\u884c\u4e3a\u673a\u5236\u3001RBAC\uff08\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff09\u4ee5\u53ca\u7f13\u5b58\u4e0e\u6027\u80fd\u4f18\u5316\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002<\/p>\n\n\n\n

\n\n\n\n

1. \u7ec4\u4ef6\u4e0e\u4f9d\u8d56\u6ce8\u5165<\/strong><\/h4>\n\n\n\n
1.1 Yii \u7684\u7ec4\u4ef6\u8bbe\u8ba1\u6a21\u5f0f<\/strong><\/h5>\n\n\n\n

\u5728 Yii \u4e2d\uff0c\u7ec4\u4ef6\u662f\u6307\u5177\u6709\u72ec\u7acb\u529f\u80fd\u5e76\u4e14\u53ef\u4ee5\u5728\u6574\u4e2a\u5e94\u7528\u4e2d\u5171\u4eab\u7684\u5bf9\u8c61\u3002Yii \u7684\u7ec4\u4ef6\u901a\u5e38\u9075\u5faa \u5355\u4f8b\u6a21\u5f0f<\/strong>\uff0c\u5e76\u901a\u8fc7 Yii::$app<\/code> \u8fdb\u884c\u8bbf\u95ee\u3002Yii \u6846\u67b6\u63d0\u4f9b\u4e86\u8bb8\u591a\u5185\u7f6e\u7ec4\u4ef6\uff0c\u4f8b\u5982 db<\/code>\uff08\u6570\u636e\u5e93\u8fde\u63a5\uff09\u3001cache<\/code>\uff08\u7f13\u5b58\u7ba1\u7406\uff09\u3001user<\/code>\uff08\u7528\u6237\u8eab\u4efd\u9a8c\u8bc1\uff09\u7b49\u3002<\/p>\n\n\n\n

\u7ec4\u4ef6\u901a\u5e38\u653e\u5728 components<\/code> \u76ee\u5f55\u4e0b\uff0c\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6765\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u3002<\/p>\n\n\n\n

\u5185\u7f6e\u7ec4\u4ef6\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n

'components' => [\n    'db' => [\n        'class' => 'yii\\db\\Connection',\n        'dsn' => 'mysql:host=127.0.0.1;dbname=testdb',\n        'username' => 'root',\n        'password' => '',\n        'charset' => 'utf8',\n    ],\n],<\/code><\/pre>\n\n\n\n
\u901a\u8fc7 Yii::$app->db<\/code> \u53ef\u4ee5\u8bbf\u95ee\u5230\u6570\u636e\u5e93\u7ec4\u4ef6\u3002<\/p>\n\n\n\n
1.2 \u81ea\u5b9a\u4e49\u7ec4\u4ef6\u7684\u521b\u5efa\u4e0e\u4f7f\u7528<\/strong><\/h5>\n\n\n\n
\u4f60\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u5e76\u5c06\u5176\u6ce8\u518c\u5230\u5e94\u7528\u4e2d\u3002\u521b\u5efa\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u65f6\uff0c\u901a\u5e38\u4f1a\u7ee7\u627f yii\\base\\Component<\/code> \u7c7b\u3002<\/p>\n\n\n\n
\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n
namespace app\\components;\n\nuse yii\\base\\Component;\n\nclass MyComponent extends Component\n{\n    public function helloWorld()\n    {\n        return \"Hello, World!\";\n    }\n}<\/code><\/pre>\n\n\n\n
\u914d\u7f6e\u7ec4\u4ef6<\/strong>\uff1a
\u5728 config\/web.php<\/code> \u4e2d\u6ce8\u518c\u7ec4\u4ef6\uff1a<\/p>\n\n\n\n
'components' => [\n    'myComponent' => [\n        'class' => 'app\\components\\MyComponent',\n    ],\n],<\/code><\/pre>\n\n\n\n
\u4f7f\u7528\u81ea\u5b9a\u4e49\u7ec4\u4ef6<\/strong>\uff1a<\/p>\n\n\n\n
echo Yii::$app->myComponent->helloWorld();  \/\/ \u8f93\u51fa \"Hello, World!\"<\/code><\/pre>\n\n\n\n
1.3 Service Locator \u4e0e\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668<\/strong><\/h5>\n\n\n\n
\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\uff08Dependency Injection Container\uff0c\u7b80\u79f0 DI \u5bb9\u5668\uff09\u662f Yii \u7684\u4e00\u4e2a\u91cd\u8981\u7279\u6027\uff0c\u5b83\u901a\u8fc7\u81ea\u52a8\u6ce8\u5165\u4f9d\u8d56\u6765\u89e3\u8026\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n
\u5728 Yii \u4e2d\uff0c\u7ec4\u4ef6\u548c\u7c7b\u53ef\u4ee5\u901a\u8fc7 Service Locator<\/strong>\uff08\u670d\u52a1\u5b9a\u4f4d\u5668\uff09\u6765\u83b7\u53d6\uff0c\u800c\u4f9d\u8d56\u6ce8\u5165\u53ef\u4ee5\u901a\u8fc7 Yii::createObject()<\/code> \u65b9\u6cd5\u5b9e\u73b0\uff1a<\/p>\n\n\n\n
$myObject = Yii::createObject([\n    'class' => 'app\\components\\MyComponent',\n]);<\/code><\/pre>\n\n\n\n
\u6216\u8005\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\u7684\u65b9\u5f0f\u81ea\u52a8\u6ce8\u5165\uff1a<\/p>\n\n\n\n
class SiteController extends yii\\web\\Controller\n{\n    public $myComponent;\n\n    public function init()\n    {\n        parent::init();\n        $this->myComponent = Yii::$app->myComponent;\n    }\n\n    public function actionIndex()\n    {\n        return $this->myComponent->helloWorld();\n    }\n}<\/code><\/pre>\n\n\n\n
\n\n\n\n
2. \u4e8b\u4ef6\u4e0e\u884c\u4e3a<\/strong><\/h4>\n\n\n\n
2.1 \u4e8b\u4ef6\u673a\u5236\u7684\u539f\u7406\u4e0e\u5e94\u7528<\/strong><\/h5>\n\n\n\n
Yii \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u4e8b\u4ef6\u673a\u5236\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u5bf9\u8c61\u4e4b\u95f4\u89e3\u8026\u3002\u4e8b\u4ef6\u662f\u5bf9\u8c61\u4e4b\u95f4\u7684\u4e00\u79cd\u901a\u4fe1\u673a\u5236\uff0c\u5141\u8bb8\u5bf9\u8c61\u5411\u5176\u4ed6\u5bf9\u8c61\u901a\u77e5\u67d0\u4e2a\u64cd\u4f5c\u5df2\u7ecf\u53d1\u751f\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u5728\u7528\u6237\u767b\u5f55\u540e\u89e6\u53d1\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u53d1\u9001\u6b22\u8fce\u90ae\u4ef6\u3002<\/p>\n\n\n\n
\u4e8b\u4ef6\u7684\u57fa\u672c\u5e94\u7528<\/strong>\uff1a
\u5728 Yii \u4e2d\uff0c\u4f60\u53ef\u4ee5\u5b9a\u4e49\u4e8b\u4ef6\u5e76\u5728\u67d0\u4e2a\u52a8\u4f5c\u4e2d\u89e6\u53d1\u5b83\uff1a<\/p>\n\n\n\n
class Post extends yii\\base\\Component\n{\n    const EVENT_POST_CREATED = 'postCreated';\n\n    public function createPost($content)\n    {\n        \/\/ \u521b\u5efa\u6587\u7ae0\n        \/\/ ...\n\n        \/\/ \u89e6\u53d1\u4e8b\u4ef6\n        $this->trigger(self::EVENT_POST_CREATED);\n    }\n}<\/code><\/pre>\n\n\n\n
\u5728\u4e8b\u4ef6\u89e6\u53d1\u65f6\uff0c\u4f60\u53ef\u4ee5\u6ce8\u518c\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u54cd\u5e94\u4e8b\u4ef6\uff1a<\/p>\n\n\n\n
$post = new Post();\n$post->on(Post::EVENT_POST_CREATED, function () {\n    echo \"A new post has been created!\";\n});\n\n$post->createPost(\"New content\");<\/code><\/pre>\n\n\n\n
2.2 \u81ea\u5b9a\u4e49\u4e8b\u4ef6\u4e0e\u4e8b\u4ef6\u5904\u7406\u5668<\/strong><\/h5>\n\n\n\n
\u4f60\u53ef\u4ee5\u4e3a\u4e8b\u4ef6\u521b\u5efa\u81ea\u5b9a\u4e49\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u3002\u4e8b\u4ef6\u5904\u7406\u5668\u662f\u4e00\u4e2a\u54cd\u5e94\u4e8b\u4ef6\u7684\u56de\u8c03\u51fd\u6570\u6216\u8005\u65b9\u6cd5\u3002<\/p>\n\n\n\n
class PostController extends yii\\web\\Controller\n{\n    public function actionCreate()\n    {\n        $post = new Post();\n        $post->on(Post::EVENT_POST_CREATED, [$this, 'sendEmailNotification']);\n        $post->createPost('Post content');\n    }\n\n    public function sendEmailNotification()\n    {\n        \/\/ \u53d1\u9001\u90ae\u4ef6\n        echo \"Sending email notification...\";\n    }\n}<\/code><\/pre>\n\n\n\n
2.3 \u884c\u4e3a\u7684\u5b9a\u4e49\u4e0e\u52a8\u6001\u65b9\u6cd5\u6269\u5c55<\/strong><\/h5>\n\n\n\n
\u884c\u4e3a\uff08Behavior\uff09\u662f Yii \u4e2d\u7684\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u4e3a\u5bf9\u8c61\u52a8\u6001\u6dfb\u52a0\u529f\u80fd\u3002\u884c\u4e3a\u53ef\u4ee5\u770b\u4f5c\u662f\u5bf9\u5bf9\u8c61\u7684\u529f\u80fd\u589e\u5f3a\uff0c\u7c7b\u4f3c\u4e8e\u88c5\u9970\u5668\u6a21\u5f0f\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f yii\\base\\Behavior<\/code> \u6765\u521b\u5efa\u884c\u4e3a\u3002<\/p>\n\n\n\n
\u5b9a\u4e49\u884c\u4e3a<\/strong>\uff1a<\/p>\n\n\n\n
namespace app\\components;\n\nuse yii\\base\\Behavior;\n\nclass TimestampBehavior extends Behavior\n{\n    public function events()\n    {\n        return [\n            \\yii\\db\\ActiveRecord::EVENT_BEFORE_INSERT => 'setCreatedAt',\n        ];\n    }\n\n    public function setCreatedAt($event)\n    {\n        $this->owner->created_at = time();\n    }\n}<\/code><\/pre>\n\n\n\n
\u5e94\u7528\u884c\u4e3a<\/strong>\uff1a
\u5728\u6a21\u578b\u7c7b\u4e2d\u4f7f\u7528\u884c\u4e3a\uff1a<\/p>\n\n\n\n
class Post extends \\yii\\db\\ActiveRecord\n{\n    public function behaviors()\n    {\n        return [\n            TimestampBehavior::class,\n        ];\n    }\n}<\/code><\/pre>\n\n\n\n
\u6b64\u65f6\uff0c\u6bcf\u6b21\u63d2\u5165\u6570\u636e\u65f6\uff0ccreated_at<\/code> \u5b57\u6bb5\u5c06\u81ea\u52a8\u586b\u5145\u4e3a\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n\n\n\n
\n\n\n\n
3. RBAC\uff08\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff09<\/strong><\/h4>\n\n\n\n
3.1 \u7528\u6237\u8eab\u4efd\u8ba4\u8bc1<\/strong><\/h5>\n\n\n\n
Yii \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684 RBAC\uff08\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff09\u529f\u80fd\uff0c\u7528\u4e8e\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u7684\u6743\u9650\u7ba1\u7406\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7 Yii \u7684 user<\/code> \u7ec4\u4ef6\u8fdb\u884c\u7528\u6237\u8eab\u4efd\u8ba4\u8bc1\uff0c\u5e76\u6839\u636e\u89d2\u8272\u548c\u6743\u9650\u63a7\u5236\u8bbf\u95ee\u3002<\/p>\n\n\n\n
\u8eab\u4efd\u8ba4\u8bc1\u914d\u7f6e<\/strong>\uff1a
\u5728 config\/web.php<\/code> \u4e2d\u914d\u7f6e\u8eab\u4efd\u9a8c\u8bc1\uff1a<\/p>\n\n\n\n
'components' => [\n    'user' => [\n        'identityClass' => 'app\\models\\User',  \/\/ \u7528\u6237\u8eab\u4efd\u6a21\u578b\n        'enableAutoLogin' => true,  \/\/ \u542f\u7528\u81ea\u52a8\u767b\u5f55\n    ],\n],<\/code><\/pre>\n\n\n\n
3.2 \u6743\u9650\u7ba1\u7406<\/strong><\/h5>\n\n\n\n
Yii \u652f\u6301\u57fa\u4e8e\u6743\u9650\u7684\u63a7\u5236\u3002\u4f60\u53ef\u4ee5\u4e3a\u4e0d\u540c\u7684\u7528\u6237\u5206\u914d\u89d2\u8272\u548c\u6743\u9650\u3002RBAC \u4e2d\u7684 Role<\/code> \u548c Permission<\/code> \u662f\u6838\u5fc3\u6982\u5ff5\u3002\u89d2\u8272\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u6743\u9650\uff0c\u7528\u6237\u53ef\u4ee5\u62e5\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u89d2\u8272\u3002<\/p>\n\n\n\n
RBAC \u914d\u7f6e<\/strong>\uff1a
\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u89d2\u8272\u548c\u6743\u9650\u8868\uff08auth_item<\/code>\u3001auth_assignment<\/code>\u3001auth_item_child<\/code>\uff09\u3002\u7136\u540e\u901a\u8fc7\u63a7\u5236\u53f0\u547d\u4ee4\u914d\u7f6e\u6743\u9650\u3002<\/p>\n\n\n\n
\u63a7\u5236\u53f0\u547d\u4ee4<\/strong>\uff1a<\/p>\n\n\n\n
yii migrate\/create create_rbac_tables<\/code><\/pre>\n\n\n\n
\u901a\u8fc7\u63a7\u5236\u53f0\u521b\u5efa\u6743\u9650\uff1a<\/p>\n\n\n\n
php yii auth\/rule create-permission viewPost\nphp yii auth\/role create-admin<\/code><\/pre>\n\n\n\n
3.3 \u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\u914d\u7f6e<\/strong><\/h5>\n\n\n\n
\u901a\u8fc7\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\u89c4\u5219\uff0c\u4f60\u53ef\u4ee5\u5b9e\u73b0\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\u3002\u4f7f\u7528 AccessControl<\/code> \u8fc7\u6ee4\u5668\u6765\u9650\u5236\u4e0d\u540c\u89d2\u8272\u7684\u7528\u6237\u8bbf\u95ee\u7279\u5b9a\u8d44\u6e90\u3002<\/p>\n\n\n\n
\u914d\u7f6e AccessControl<\/code><\/strong>\uff1a<\/p>\n\n\n\n
class PostController extends yii\\web\\Controller\n{\n    public function behaviors()\n    {\n        return [\n            'access' => [\n                'class' => \\yii\\filters\\AccessControl::class,\n                'rules' => [\n                    [\n                        'allow' => true,\n                        'roles' => ['admin'], \/\/ \u4ec5\u5141\u8bb8\u7ba1\u7406\u5458\u8bbf\u95ee\n                    ],\n                    [\n                        'allow' => true,\n                        'actions' => ['view'], \/\/ \u5141\u8bb8\u6240\u6709\u7528\u6237\u8bbf\u95ee\u67e5\u770b\u52a8\u4f5c\n                    ],\n                ],\n            ],\n        ];\n    }\n}<\/code><\/pre>\n\n\n\n
\n\n\n\n
4. \u7f13\u5b58\u4e0e\u6027\u80fd\u4f18\u5316<\/strong><\/h4>\n\n\n\n
4.1 \u7f13\u5b58\u7684\u4f7f\u7528\uff08\u6570\u636e\u7f13\u5b58\u3001\u9875\u9762\u7f13\u5b58\u3001\u7247\u6bb5\u7f13\u5b58\uff09<\/strong><\/h5>\n\n\n\n
Yii \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7f13\u5b58\u673a\u5236\uff0c\u7528\u4e8e\u63d0\u9ad8\u5e94\u7528\u7684\u6027\u80fd\u3002Yii \u652f\u6301\u591a\u79cd\u7f13\u5b58\u7b56\u7565\uff0c\u5305\u62ec \u6570\u636e\u7f13\u5b58<\/strong>\u3001\u9875\u9762\u7f13\u5b58<\/strong> \u548c \u7247\u6bb5\u7f13\u5b58<\/strong>\u3002<\/p>\n\n\n\n
    \n
  • \u6570\u636e\u7f13\u5b58<\/strong>\uff1a
    \u4f7f\u7528\u6570\u636e\u7f13\u5b58\u6765\u5b58\u50a8\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u6216\u8005\u5176\u4ed6\u8ba1\u7b97\u7ed3\u679c\u3002<\/li>\n<\/ul>\n\n\n\n
      $data = Yii::$app->cache->get('data_key');\n  if ($data === false) {\n      $data = $this->getDataFromDatabase();\n      Yii::$app->cache->set('data_key', $data, 3600);  \/\/ \u7f13\u5b58 1 \u5c0f\u65f6\n  }<\/code><\/pre>\n\n\n\n
      \n
    • \u9875\u9762\u7f13\u5b58<\/strong>\uff1a
      \u9875\u9762\u7f13\u5b58\u7528\u4e8e\u7f13\u5b58\u6574\u4e2a\u9875\u9762\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n\n\n\n
        $this->beginCache('page_cache');\n  \/\/ \u9875\u9762\u5185\u5bb9\n  $this->endCache();<\/code><\/pre>\n\n\n\n
        \n
      • \u7247\u6bb5\u7f13\u5b58<\/strong>\uff1a
        \u7247\u6bb5\u7f13\u5b58\u7528\u4e8e\u7f13\u5b58\u9875\u9762\u7684\u4e00\u90e8\u5206\u3002<\/li>\n<\/ul>\n\n\n\n
          if ($this->beginCache('section_cache')) {\n      \/\/ \u9875\u9762\u90e8\u5206\u5185\u5bb9\n      $this->endCache();\n  }<\/code><\/pre>\n\n\n\n
        4.2 \u4f7f\u7528 Redis \u6216 Memcached<\/strong><\/h5>\n\n\n\n
        Yii \u53ef\u4ee5\u4e0e Redis \u6216 Memcached \u96c6\u6210\uff0c\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u7f13\u5b58\u5b58\u50a8\u3002<\/p>\n\n\n\n
        \u914d\u7f6e Redis \u7f13\u5b58<\/strong>\uff1a<\/p>\n\n\n\n
        'components' => [\n    'cache' => [\n        'class' => 'yii\\\n\nredis\\Cache',\n    ],\n],<\/code><\/pre>\n\n\n\n
        4.3 \u6570\u636e\u5e93\u67e5\u8be2\u4f18\u5316<\/strong><\/h5>\n\n\n\n
        \u5728 Yii \u4e2d\uff0c\u67e5\u8be2\u4f18\u5316\u975e\u5e38\u91cd\u8981\u3002\u4f7f\u7528\u67e5\u8be2\u6784\u9020\u5668\u548c ActiveRecord \u7684\u61d2\u52a0\u8f7d\uff08Lazy Loading\uff09\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u5e93\u67e5\u8be2\u6b21\u6570\u3002\u901a\u8fc7 with()<\/code><\/strong> \u6216 joinWith()<\/code><\/strong> \u65b9\u6cd5\u9884\u52a0\u8f7d\u5173\u8054\u6570\u636e\uff0c\u907f\u514d N+1 \u67e5\u8be2\u95ee\u9898\u3002<\/p>\n\n\n\n
        $posts = Post::find()->with('author')->all();<\/code><\/pre>\n\n\n\n
        \n\n\n\n
        \u901a\u8fc7\u4e86\u89e3\u8fd9\u4e9b\u9ad8\u7ea7\u7279\u6027\uff0c\u4f60\u53ef\u4ee5\u66f4\u52a0\u9ad8\u6548\u5730\u4f7f\u7528 Yii \u6846\u67b6\uff0c\u6784\u5efa\u529f\u80fd\u5f3a\u5927\u3001\u6027\u80fd\u4f18\u8d8a\u7684 Web \u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        Yii\u6846\u67b6\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u57fa\u7840\u529f\u80fd\uff0c\u8fd8\u652f\u6301\u8bb8\u591a\u9ad8\u7ea7\u7279\u6027\uff0c\u8fd9\u4e9b\u7279\u6027\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u6784\u5efa\u66f4\u9ad8\u6548\u3001\u53ef\u7ef4\u62a4\u548c\u53ef\u6269\u5c55\u7684\u5e94\u7528 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63],"tags":[],"class_list":["post-1192","post","type-post","status-publish","format-standard","hentry","category-yii"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1192"}],"version-history":[{"count":2,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1192\/revisions"}],"predecessor-version":[{"id":1203,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1192\/revisions\/1203"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}