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ÔÚLaravelÖÐ £¬Êý¾ÝÄ£×ӵĻù´¡ÊÇEloquent ORM¡£µ±ÎÒÃÇʹÓÃEloquentµÄÄ£×ÓÀ´»á¼ûÊý¾Ý¿âʱ £¬Laravel½«Æ¾Ö¤Ä£×ÓÃû³ÆÌìÉúÏìÓ¦µÄÊý¾Ý¿â±íÃû¡£ÀýÈç £¬ÎÒÃÇÓÐÒ»¸öÄ£×ÓÀàUser £¬Laravel½«Ä¬ÈÏ»á¼ûÃûΪusersµÄÊý¾Ý¿â±í¡£

ÄÇô £¬·Ö±íµÄÔ­Àí¾ÍºÜ¼òÆÓÁË £¬ÎÒÃÇÖ»ÐèÒªÔÚÄ£×ÓÀàÖнç˵һ¸ö$tableÊôÐÔÀ´Ö¸¶¨±íÃû¼´¿É¡£¹ØÓÚ·Ö±íµÄÇéÐÎ £¬ÎÒÃÇ¿ÉÒÔͨ¹ýÔÚÄ£×ÓÀàÖж¯Ì¬ÐÞ¸Ä$tableÊôÐÔÒÔ»á¼û²î±ðµÄ±í¡£

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1.ÊÖ¶¯Ð޸ıíÃû

ͨ¹ýEloquent ORM £¬ÎÒÃÇ¿ÉÒÔͨ¹ýÊÖ¶¯ÐÞ¸ÄÄ£×ÓÀàµÄ$tableÊôÐÔÀ´»á¼û²î±ðµÄÊý¾Ý¿â±í¡£

ÀýÈç £¬ÎÒÃÇÓÐÒ»¸öÃûΪOrderµÄÄ£×ÓÀಢÇÒÐèÒª½«¶©µ¥±í·Ö³Éorder_1Óëorder_2Á½Õűí¡£ÄÇô £¬ÎÒÃÇÖ»ÐèÔÚÄ£×ÓÀàÖнç˵ÈçÏ´úÂ룺

use IlluminateDatabaseEloquentModel;

class Order extends Model
{
    //ÅþÁ¬µ½Ä£×ÓµÄÊý¾Ý±í
    protected $table = 'order_1';
}

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use IlluminateDatabaseEloquentModel;

class Order extends Model
{
    //ÅþÁ¬µ½Ä£×ÓµÄÊý¾Ý±í
    protected $table = 'order_2';
}

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2.×Ô¶¯»¯·Ö±í

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ÔÚLaravelÖÐ £¬ÎÒÃÇ¿ÉÒÔ½¨ÉèÒ»¸öÄ£×Ó¹¤³§ÀàÀ´×Ô¶¯»¯·Ö±í¡£ÀýÈç £¬ÎÒÃÇÓÐÒ»¸öÃûΪOrderµÄÄ£×ÓÀà £¬ÐèÒª½«¶©µ¥±íƾ֤Óû§ID·ÖΪÈô¸É¸öС±í¡£ÎÒÃÇ¿ÉÒÔ½¨ÉèÒ»¸öÃûΪOrderFactoryµÄÄ£×Ó¹¤³§Àà £¬ÓÃÓÚ¶¯Ì¬ÌìÉú±íÃû²¢ÇÒ×Ô¶¯ÖÎÀí±íÃû¡£

use IlluminateSupportFacadesDB;
use IlluminateDatabaseEloquentModel;

class OrderFactory
{
    private $userId;
    private $tableName = 'orders_';

    public function __construct($userId)
    {
        $this->userId = $userId;
        $this->tableName .= $this->getTableName();
    }

    public function makeModel()
    {
        $model = new Model();
        $model->setTable($this->tableName);

        return $model;
    }

    protected function getTableName()
    {
        $tableId = intval($this->userId) % 10 + 1;

        return $tableId;
    }
}

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$factory = new OrderFactory(123);
$order = $factory->makeModel()->get();

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