CakePHP 3.7。这是我的“用户”表:<?phpnamespace App\Model\Table;use Cake\Datasource\EntityInterface;use Cake\ORM\Association\BelongsTo;use Cake\ORM\RulesChecker;use Cake\ORM\Table;use Cake\Validation\Validator;class UsersTable extends Table{ public function initialize(array $config) { parent::initialize($config); $this->setTable('users'); $this->setDisplayField('id'); $this->setPrimaryKey('id'); $this->belongsTo('Customers', [ 'foreignKey' => 'customer_id', 'joinType' => 'LEFT' ]); } public function validationDefault(Validator $validator) { ... } public function buildRules(RulesChecker $rules) { $rules->add($rules->isUnique(['email'])); $rules->add($rules->existsIn(['customer_id'], 'Customers')); return $rules; }}和“客户”表:<?phpnamespace App\Model\Table;use App\Model\Entity\Customer;use Cake\Datasource\EntityInterface;use Cake\ORM\Association\HasMany;use Cake\ORM\Table;use Cake\Validation\Validator;class CustomersTable extends Table{ public function initialize(array $config) { parent::initialize($config); $this->setTable('customers'); $this->setDisplayField('company_name'); $this->setPrimaryKey('id'); $this->hasMany('Users', [ 'foreignKey' => 'customer_id' ]); } public function validationDefault(Validator $validator) { ... }}好吧,现在我想通过 检索控制器和模板中的关联字段customer_id,例如:$this->Auth->user('customer_id')); // <--- WORKS$this->Auth->user('Customers.company_name')); // <--- ???我不明白必须使用什么语法通过外键 ( customer_id) “导航”才能读取Customers表中的其他字段。当然,我可以使用一种解决方法:检索“customer_id”值(如上)为该 ID 创建一个关于“客户”过滤的查询阅读其他领域但我想这不是最好的方法。
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