{"id":29747,"date":"2023-10-05T07:11:44","date_gmt":"2023-08-07T12:52:32","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8yii%e6%a1%86%e6%9e%b6%ef%bc%8c%e6%9c%80%e5%bf%ab%e5%9c%b0%e5%b0%86%e8%ae%be%e8%ae%a1%e5%9c%a8mysql%e4%b8%8a%e7%9a%84activerecord%e8%bf%81%e7%a7%bb%e5%88%b0mongodb%e4%b8%8a%e3%80%82\/"},"modified":"2025-08-12T15:41:32","modified_gmt":"2025-08-12T07:41:32","slug":"%e4%bd%bf%e7%94%a8yii%e6%a1%86%e6%9e%b6%ef%bc%8c%e6%9c%80%e5%bf%ab%e5%9c%b0%e5%b0%86%e8%ae%be%e8%ae%a1%e5%9c%a8mysql%e4%b8%8a%e7%9a%84activerecord%e8%bf%81%e7%a7%bb%e5%88%b0mongodb%e4%b8%8a%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8yii%e6%a1%86%e6%9e%b6%ef%bc%8c%e6%9c%80%e5%bf%ab%e5%9c%b0%e5%b0%86%e8%ae%be%e8%ae%a1%e5%9c%a8mysql%e4%b8%8a%e7%9a%84activerecord%e8%bf%81%e7%a7%bb%e5%88%b0mongodb%e4%b8%8a%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Yii\u6846\u67b6\uff0c\u6700\u5feb\u5730\u5c06\u8bbe\u8ba1\u5728MySQL\u4e0a\u7684ActiveRecord\u8fc1\u79fb\u5230MongoDB\u4e0a"},"content":{"rendered":"

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\u6211\u4eec\u5c06\u770b\u4e00\u4e0b\u5728Yii\u6846\u67b6\u4e2d\u662f\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u3002<\/p>\n

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\u6240\u4ee5\uff0c\u4e3a\u4e86\u8bb0\u5f55\u6240\u6709\u9875\u9762\u6d4f\u89c8\u6b21\u6570\uff0c\u6211\u4eec\u51b3\u5b9a\u8bbe\u7f6e\u5177\u6709has-many\u5173\u7cfb\u7684AccessLog\u3002\u6bcf\u5f53\u6d4f\u89c8\u7f51\u9875\u65f6\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u6761\u8bb0\u5f55\u3002\u6211\u4eec\u8003\u8651\u7528MySQL\u6765\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\u3002<\/p>\n

    public<\/span> function<\/span> up<\/span>()<\/span>\r\n    {<\/span>\r\n        $this<\/span>-><\/span>createTable<\/span>(<\/span>'{{%access_log}}'<\/span>,<\/span> [<\/span>\r\n            'id'<\/span> =><\/span> Schema<\/span>::<\/span>TYPE_BIGPK<\/span>,<\/span>\r\n            'post_id'<\/span> =><\/span> Schema<\/span>::<\/span>TYPE_INTEGER<\/span> .<\/span> ' NOT NULL'<\/span>,<\/span>\r\n            'recorded_at'<\/span> =><\/span> Schema<\/span>::<\/span>TYPE_INTEGER<\/span> .<\/span> ' NOT NULL'<\/span>,<\/span>\r\n        ]);<\/span>\r\n        $this<\/span>-><\/span>addForeignKey<\/span>(<\/span>'fk_access_log_post_id'<\/span>,<\/span> '{{%access_log}}'<\/span>,<\/span> 'post_id'<\/span>,<\/span> '{{%post}}'<\/span>,<\/span> 'id'<\/span>,<\/span> 'CASCADE'<\/span>);<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\u5728Gii\u4e2d\u751f\u6210\u5e76\u6dfb\u52a0\u65b9\u6cd5\u3002<\/p>\n
<?php<\/span>\r\nnamespace<\/span> app\\models<\/span>;<\/span>\r\n\r\nuse<\/span> Yii<\/span>;<\/span>\r\n\r\n\/**\r\n * This is the model class for table \"{{%post}}\".\r\n *\r\n * @property integer $id\r\n * @property string $title\r\n * @property string $body\r\n *\r\n * @property AccessLog[] $accessLogs\r\n *\/<\/span>\r\nclass<\/span> Post<\/span> extends<\/span> \\<\/span>yii\\db\\ActiveRecord<\/span>\r\n{<\/span>\r\n    public<\/span> static<\/span> function<\/span> tableName<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> '{{%post}}'<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/ \u4e2d\u7565<\/span>\r\n\r\n    \/**\r\n     * @return \\yii\\db\\ActiveQuery\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> getAccessLogs<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> $this<\/span>-><\/span>hasMany<\/span>(<\/span>AccessLog<\/span>::<\/span>className<\/span>(),<\/span> [<\/span>'post_id'<\/span> =><\/span> 'id'<\/span>]);<\/span>\r\n    }<\/span>\r\n\r\n    \/**\r\n     * \u6295\u7a3f\u8a18\u4e8b\u306e\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u306b\u30ec\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> recordPageViewed<\/span>()<\/span>\r\n    {<\/span>\r\n        $log<\/span> =<\/span> new<\/span> AccessLog<\/span>();<\/span>\r\n        $log<\/span>-><\/span>post_id<\/span> =<\/span> $this<\/span>-><\/span>id<\/span>;<\/span>\r\n        $log<\/span>-><\/span>recorded_at<\/span> =<\/span> time<\/span>();<\/span>\r\n        $log<\/span>-><\/span>save<\/span>(<\/span>false<\/span>);<\/span>\r\n        \/\/ $this->refresh();<\/span>\r\n    }<\/span>\r\n\r\n    \/**\r\n     * \u3042\u308b\u65e5\u6642\u4ee5\u964d\u306e\u30da\u30fc\u30b8\u30d3\u30e5\u30fc\u6570\u3092\u5f97\u308b\r\n     * \r\n     * @param integer $timestamp\r\n     * @return integer\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> getPageViewAfter<\/span>(<\/span>$timestamp<\/span>=<\/span>null<\/span>)<\/span>\r\n    {<\/span>\r\n        $query<\/span> =<\/span> $this<\/span>-><\/span>getrelation<\/span>(<\/span>'accessLogs'<\/span>);<\/span>\r\n        if<\/span> (<\/span>$timestamp<\/span>)<\/span> {<\/span>\r\n            $query<\/span>-><\/span>where<\/span>([<\/span>'>='<\/span>,<\/span> 'recorded_at'<\/span>,<\/span> $timestamp<\/span>]);<\/span>\r\n        }<\/span>\r\n        return<\/span> $query<\/span>-><\/span>count<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
<?php<\/span>\r\nnamespace<\/span> app\\models<\/span>;<\/span>\r\n\r\nuse<\/span> Yii<\/span>;<\/span>\r\n\r\n\/**\r\n * This is the model class for table \"{{%access_log}}\".\r\n *\r\n * @property integer $id\r\n * @property integer $post_id\r\n * @property integer $recorded_at\r\n *\r\n * @property Post $post\r\n *\/<\/span>\r\nclass<\/span> AccessLog<\/span> extends<\/span> \\<\/span>yii\\db\\ActiveRecord<\/span>\r\n{<\/span>\r\n    \/**\r\n     * @inheritdoc\r\n     *\/<\/span>\r\n    public<\/span> static<\/span> function<\/span> tableName<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> '{{%access_log}}'<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/ \u4e2d\u7565<\/span>\r\n\r\n    \/**\r\n     * @return \\yii\\db\\ActiveQuery\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> getPost<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> $this<\/span>-><\/span>hasOne<\/span>(<\/span>Post<\/span>::<\/span>className<\/span>(),<\/span> [<\/span>'id'<\/span> =><\/span> 'post_id'<\/span>]);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u89c6\u56fe\u5904\u7406\u7ed3\u675f\u65f6\u8c03\u7528Post::recordPageViewed()\u65b9\u6cd5\u5c06\u6570\u636e\u63d2\u5165access_log\u8868\uff0c\u4ee5\u8fbe\u5230\u6240\u9700\u7684\u529f\u80fd\u3002<\/p>\n
\u5728\u5f00\u53d1\u9636\u6bb5\uff0c\u5b83\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\uff0c\u4f46\u662f\u4e0d\u80fd\u76f4\u63a5\u53d1\u5e03\u51fa\u53bb\u3002\u5bf9\u4e8e\u5f00\u53d1\u73af\u5883\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u4eba\u8fdb\u884c\u6d4b\u8bd5\uff0c\u4f46\u662f\u5728Web\u4e0a\u5b58\u5728\u7740\u6210\u5343\u4e0a\u4e07\u6f5c\u5728\u7528\u6237\u3002\u4ec5\u4ec5\u901a\u8fc7\u9875\u9762\u663e\u793a\u5c31\u5bfc\u81f4\u4e3b\u6570\u636e\u5e93\u5199\u5165\u64cd\u4f5c\uff0c\u4ece\u800c\u9020\u6210\u8d1f\u8f7d\u8fc7\u91cd\u662f\u4e00\u4e2a\u4e25\u91cd\u7684\u95ee\u9898\u3002\u8fd8\u6709\u5c31\u662f\u5982\u4f55\u507f\u8fd8\u8fd9\u79cd\u6280\u672f\u503a\u52a1\u624d\u662f\u5173\u952e\u3002<\/p>\n
\u5c06MySQL\u7684ActiveRecord\u8f6c\u6362\u4e3aMongoDB\u3002
\nYii Framework 2.0 \u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u540c\u65f6\u4e3a\u5173\u7cfb\u578b\u6570\u636e\u5e93\u548cNoSQL\u8bbe\u8ba1\u4e86 ActiveRecord\uff0c\u5e76\u4e14\u5171\u4eab\u4e86\u5927\u90e8\u5206\u62bd\u8c61\u7c7b\u548c\u7279\u6027\u3002\u8fd9\u6837\uff0c\u5373\u4f7f\u662f\u4e0d\u540c\u7c7b\u578b\u7684 ActiveRecord\uff0c\u4e5f\u5177\u6709\u76f8\u5f53\u5927\u7684\u517c\u5bb9\u6027\u3002<\/p>\n
\u8981\u4f7f\u7528MongoDB\uff0c\u9700\u8981\u5728Composer\u4e2d\u6dfb\u52a0\u5b89\u88c5\u5e93\u3002<\/p>\n
$ composer require yiisoft\/yii2-mongodb\r\n<\/code><\/pre>\n
\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbe\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0mongodb\u7ec4\u4ef6\u3002<\/p>\n
$config<\/span> =<\/span> [<\/span>\r\n    'components'<\/span> =><\/span> [<\/span>\r\n        \/\/ ...<\/span>\r\n        'mongodb'<\/span> =><\/span> [<\/span>\r\n            'class'<\/span> =><\/span> 'yii\\mongodb\\Connection'<\/span>,<\/span>\r\n            'dsn'<\/span> =><\/span> 'mongodb:\/\/localhost:27017\/mydb'<\/span>,<\/span>\r\n        ],<\/span>\r\n    ],<\/span>\r\n<\/code><\/pre>\n
\u5728\u8fd9\u4e4b\u540e\uff0c\u5c06AccessLog\u8f6c\u6362\u4e3aMongoDB\u7684ActiveRecord\uff0c\u90a3\u4e48\u4e4b\u524d\u63d0\u5230\u7684\u8fd9\u4e24\u4e2a\u7c7b\u7684\u5b9e\u73b0\u4f1a\u53d8\u6210\u8fd9\u6837\u3002<\/p>\n
<?php<\/span>\r\nnamespace<\/span> app\\models<\/span>;<\/span>\r\n\r\nuse<\/span> Yii<\/span>;<\/span>\r\n\r\n\/**\r\n * This is the model class for table \"{{%post}}\".\r\n *\r\n * @property integer $id\r\n * @property string $title\r\n * @property string $body\r\n *\r\n * @property AccessLog[] $accessLogs\r\n *\/<\/span>\r\nclass<\/span> Post<\/span> extends<\/span> \\<\/span>yii\\db\\ActiveRecord<\/span>\r\n{<\/span>\r\n    \/**\r\n     * @inheritdoc\r\n     *\/<\/span>\r\n    public<\/span> static<\/span> function<\/span> tableName<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> '{{%post}}'<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\/\/ \u4e2d\u7565<\/span>\r\n\r\n    \/**\r\n     * @return \\yii\\mongodb\\ActiveQuery\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> getAccessLogs<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> $this<\/span>-><\/span>hasMany<\/span>(<\/span>AccessLog<\/span>::<\/span>className<\/span>(),<\/span> [<\/span>'post_id'<\/span> =><\/span> 'id'<\/span>]);<\/span>\r\n    }<\/span>\r\n\r\n    \/**\r\n     * \u6295\u7a3f\u8a18\u4e8b\u306e\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u306b\u30ec\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> recordPageViewed<\/span>()<\/span>\r\n    {<\/span>\r\n        $log<\/span> =<\/span> new<\/span> AccessLog<\/span>();<\/span>\r\n        $log<\/span>-><\/span>post_id<\/span> =<\/span> $this<\/span>-><\/span>id<\/span>;<\/span>\r\n        $log<\/span>-><\/span>recorded_at<\/span> =<\/span> time<\/span>();<\/span>\r\n        $log<\/span>-><\/span>save<\/span>(<\/span>false<\/span>);<\/span>\r\n        \/\/ $this->refresh();<\/span>\r\n    }<\/span>\r\n\r\n    \/**\r\n     * \u3042\u308b\u65e5\u6642\u4ee5\u964d\u306e\u30da\u30fc\u30b8\u30d3\u30e5\u30fc\u6570\u3092\u5f97\u308b\r\n     * \r\n     * @param integer $timestamp\r\n     * @return integer\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> getPageViewAfter<\/span>(<\/span>$timestamp<\/span>=<\/span>null<\/span>)<\/span>\r\n    {<\/span>\r\n        $query<\/span> =<\/span> $this<\/span>-><\/span>getrelation<\/span>(<\/span>'accessLogs'<\/span>);<\/span>\r\n        if<\/span> (<\/span>$timestamp<\/span>)<\/span> {<\/span>\r\n            $query<\/span>-><\/span>where<\/span>([<\/span>'gte'<\/span> =><\/span> [<\/span>'recorded_at'<\/span> =><\/span> $timestamp<\/span>]]);<\/span>\r\n        }<\/span>\r\n        return<\/span> $query<\/span>-><\/span>count<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
<?php<\/span>\r\nnamespace<\/span> app\\models<\/span>;<\/span>\r\n\r\n\/**\r\n * This is the model class for collection \"access_log\".\r\n *\r\n * @property integer $_id\r\n * @property integer $post_id\r\n * @property integer $recorded_at\r\n *\r\n * @property Post $post\r\n *\/<\/span>\r\nclass<\/span> AccessLog<\/span> extends<\/span> \\<\/span>yii\\mongodb\\ActiveRecord<\/span>\r\n{<\/span>\r\n    \/**\r\n     * @inheritdoc\r\n     *\/<\/span>\r\n    public<\/span> static<\/span> function<\/span> collectionName<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> 'access_log'<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    \/**\r\n     * @inheritdoc\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> attributes<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> [<\/span>'_id'<\/span>,<\/span> 'post_id'<\/span>,<\/span> 'recorded_at'<\/span>];<\/span>\r\n    }<\/span>\r\n\r\n\/\/ \u4e2d\u7565\u3001RDB\u306e\u3068\u304d\u3068\u5168\u304f\u540c\u3058<\/span>\r\n\r\n    \/**\r\n     * @return \\yii\\db\\ActiveQuery\r\n     *\/<\/span>\r\n    public<\/span> function<\/span> getPost<\/span>()<\/span>\r\n    {<\/span>\r\n        return<\/span> $this<\/span>-><\/span>hasOne<\/span>(<\/span>Post<\/span>::<\/span>className<\/span>(),<\/span> [<\/span>'id'<\/span> =><\/span> 'post_id'<\/span>]);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6211\u5199\u4e0b\u4e86\u6ca1\u6709\u6539\u53d8\u7684\u90e8\u5206\uff0c\u6ca1\u6709\u7701\u7565\u3002\u60a8\u80fd\u591f\u7406\u89e3\uff0c\u72ec\u7279\u529f\u80fd\u7684\u90e8\u5206\u548c\u8f83\u4e3a\u590d\u6742\u7684\u90e8\u5206\u53d8\u5316\u8f83\u5c11\u5417\uff1f<\/p>\n
\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u66f4\u6539\u70b9:<\/p>\n
    \n
  • \n
      \u540d\u524d\u7a7a\u9593\u306e\u9055\u3046 yii\\mongodb\\ActiveRecord \u3068 yii\\mongodb\\ActiveQuery \u304c\u767b\u5834<\/ul>\n<\/li>\n<\/ul>\n
      tableName() \u306f collectionName() \u306b\u306a\u3063\u305f
      \nMongoDB \u306b\u306f\u30b9\u30ad\u30fc\u30de\u304c\u306a\u3044\u306e\u3067 attributes() \u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u660e\u793a
      \nMongoDB \u306e\u7fd2\u6163\u306b\u5408\u308f\u305b\u3066 id \u3092 _id \u306b\u5909\u66f4<\/p>\n
      >= \u3092\u4f7f\u3063\u305f\u6761\u4ef6\u5f0f\u306f MongoDB \u306e\u5927\u5c0f\u6bd4\u8f03 gte \u3092\u4f7f\u3063\u305f\u69cb\u6587\u306b<\/p>\n
      \u8fd9\u4e9b\u90fd\u662f\u53ea\u9700\u8981\u673a\u68b0\u64cd\u4f5c\u5c31\u80fd\u5b8c\u6210\u7684\u4efb\u52a1\u3002<\/p>\n
           \/**\r\n-     * @return \\yii\\db\\ActiveQuery\r\n<\/span>+     * @return \\yii\\mongodb\\ActiveQuery\r\n<\/span>      *\/\r\n     public function getAccessLogs()\r\n\r\n     public function getPageViewAfter($timestamp=null)\r\n     {\r\n         $query = $this->getrelation('accessLogs');\r\n         if ($timestamp) {\r\n-            $query->where(['>=', 'recorded_at', $timestamp]);\r\n<\/span>+            $query->where(['gte' => ['recorded_at' => $timestamp]]);\r\n<\/span>         }\r\n<\/code><\/pre>\n
      - * @property integer $id\r\n<\/span>+ * @property integer $_id\r\n<\/span>\r\n  *\/\r\n-class AccessLog extends \\yii\\db\\ActiveRecord\r\n<\/span>+class AccessLog extends \\yii\\mongodb\\ActiveRecord\r\n<\/span> {\r\n     \/**\r\n      * @inheritdoc\r\n      *\/\r\n-    public static function tableName()\r\n<\/span>+    public static function collectionName()\r\n<\/span>     {\r\n-        return '{{%access_log}}';\r\n<\/span>+        return 'access_log';\r\n<\/span>     }\r\n\r\n+    \/**\r\n+     * @inheritdoc\r\n+     *\/\r\n+    public function attributes()\r\n+    {\r\n+        return ['_id', 'post_id', 'recorded_at'];\r\n+    }\r\n<\/span><\/code><\/pre>\n
      \u4e3a\u4ec0\u4e48\u66f4\u6539\u70b9\u5982\u6b64\u4e4b\u5c11\u5462\uff1f\u5f53\u4f7f\u7528Yii\u7684\u67e5\u8be2\u6784\u5efa\u5668\u65f6\uff0c\u5982\u679c\u60f3\u8981\u6307\u5b9a\u67d0\u4e2a\u5b57\u6bb5\u7684\u503c\u4e3a\u5982\u6b64\uff0c\u4e14\u53e6\u4e00\u4e2a\u5b57\u6bb5\u7684\u503c\u4e3a\u5982\u6b64\u6765\u8fdb\u884c\u641c\u7d22\u65f6\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u7f16\u5199\u3002<\/p>\n
      $query<\/span>-><\/span>where<\/span>([<\/span>\r\n    'field_a'<\/span> =><\/span> $value1<\/span>,<\/span>\r\n    'field_b'<\/span> =><\/span> $value2<\/span>,<\/span>\r\n]);<\/span>\r\n<\/code><\/pre>\n
      \u5f53\u4e8b\u60c5\u53d8\u5f97\u6709\u70b9\u590d\u6742\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e\u952e\u503c\u5bf9\u7684\u5173\u8054\u6570\u7ec4\u8fdb\u884c\u5d4c\u5957\u3002\u8fd9\u79cd\u98ce\u683c\u975e\u5e38\u7c7b\u4f3c\u4e8eMongoDB\u7684\u67e5\u8be2\u8bed\u6cd5\uff08\u4e5f\u4e0eElasticSearch\u76f8\u4f3c\uff09\u3002\u867d\u7136\u4e0d\u80fd\u5b8c\u5168\u4ee5\u540c\u6837\u7684\u65b9\u5f0f\u7f16\u5199\u4efb\u4f55\u67e5\u8be2\uff0c\u4f46\u6211\u4eec\u4ecd\u7136\u53ef\u4ee5\u770b\u51fa\u5b83\u5177\u6709\u76f8\u5f53\u4e00\u81f4\u6027\u610f\u8bc6\u7684NoSQL\u67e5\u8be2\u6784\u5efa\u5668\u3002<\/p>\n
      \u5982\u679c\u4f7f\u7528\u66f4\u7b80\u5355\u6216\u8005\u6ca1\u6709 KVS \u7684\u8bdd\uff0c\u53ef\u4ee5\u8bf4\u5b83\u5728\u4f2a\u4ee3\u7801\u4e2d\u7b49\u4ef7\u4e8e ActiveRecord::find()->where([‘id’ => $key])->one();\u3002\u53ef\u4ee5\u7528 ActiveRecord::findOne($key); \u66ff\u6362\u8fd9\u79cd\u6a21\u5f0f\u3002<\/p>\n
      Yii\u6846\u67b6\u5728\u6539\u53d8ActiveRecord\u7c7b\u578b\u65f6\u7684\u5f71\u54cd\u975e\u5e38\u5c0f\uff0c\u5b83\u6210\u529f\u5730\u8fdb\u884c\u4e86\u826f\u597d\u7684\u62bd\u8c61\u5316\uff0c\u4f7f\u5f97\u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u7c7b\u578b\u90fd\u80fd\u4fdd\u6301\u4e00\u81f4\u7684\u601d\u7ef4\u65b9\u5f0f\u3002<\/p>\n
      \u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0cMongoDB\u548cRDB\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u5f97\u4ee5\u4fdd\u6301\u3002\u5373\u4f7f\u7ecf\u8fc7\u66f4\u6539\uff0c\u4ecd\u7136\u53ef\u4ee5\u4f7f\u7528\u50cf $post->accessLogs \u6216 $accessLog->post \u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n
      \u5f53Yii\u52a0\u8f7d\u76f8\u5173\u8bb0\u5f55\u65f6\uff0c\u4e0d\u4f7f\u7528JOIN\uff0c\u800c\u662f\u4f7f\u7528\u4f7f\u7528\u5173\u8054\u952e\u5bf9\u5e94\u7684\u67e5\u8be2\u6765\u5b9e\u73b0\u3002\u56e0\u6b64\uff0c\u5373\u4f7f\u5728\u4e0d\u540c\u7684\u5b58\u50a8\u4e4b\u95f4\u7684\u5173\u7cfb\u4e2d\uff0c\u4e5f\u80fd\u6b63\u786e\u5730\u5efa\u7acb\u5173\u8054\u3002\uff08\u53ea\u8981\u80fd\u591f\u6b63\u786e\u7f16\u5199\u6ca1\u6709\u51b2\u7a81\u7684\u5173\u7cfb\u952e\u7684\u7a0b\u5e8f\uff09<\/p>\n
      \u5728Yii\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e0d\u53d7\u5b58\u50a8\u5b9e\u4f53\u5f71\u54cd\u7684\u63a5\u53e3\u4e0d\u53d8\u7684\u6a21\u578b\u3002\u56e0\u6b64\uff0c\u5f53\u5e94\u7528\u7a0b\u5e8f\u7684\u5176\u4ed6\u90e8\u5206\u53d1\u751f\u7a81\u7136\u7684\u91cd\u5927\u53d8\u5316\u5e76\u5bfc\u81f4\u5d29\u6e83\u65f6\uff0c\u8fd9\u79cd\u60c5\u51b5\u5c06\u4e0d\u4f1a\u53d1\u751f\u3002\u6211\u4eec\u53ef\u4ee5\u540c\u65f6\u4fdd\u6301\u539f\u578b\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u5e76\u9010\u6b65\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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