When I create a one-to-one relationship migration, laravel creates a one-to-many relationship. PHP 7.1 & MySQL 5.7 The models are: Persona & User. Persona: publicfunctionuser(){return$this->hasOne('App\User','persona_id','id'); } User: publicfunctionpersona(){return$this->belong...
many-to-many或one-to-many HTML表单 Route上的HTML包含需要插入到pivot表中的可复制字段。见下文。 StationNext StationDistanceDuration 问题,所以我的问题是如何插入克隆字段数据(在上面的列表中),以便为每个克隆的字段在枢轴表中插入行?另外,我如何更新,以便它更新数据透视表中的准确记录,如果克隆字段被移除 浏览0...
public function purchasedetails() { return $this->hasMany('App\Models\Purchasedetail', 'PurchaseId', 'Id'); } } and the Purchasedetail model :- use Illuminate\Database\Eloquent\Model; class Purchasedetail extends Model { public function purchase() { return $this->belongsTo('App\Models\P...
laravel支持多种模型之间的relation,对应着模型间的one2one, one2many,many2many,hasManyThrough,Polymorphic, many2many polymorphic关系。 心法 1.所有relation都由model class上的方法来定义; 2. relationship和model本身都是以query builder作为基类的,因此对relation的操作也可以使用类似query builder的方法,比如:可以...
Eloquent determines the foreign key of the relationship based on the model name. In this case, the Phone model is automatically assumed to have a user_id foreign key. If you wish to override this convention, you may pass a second argument to the hasOne method:return $this->hasOne('App\...
'shops_products' => 'one-to-many', ] 现在要求做出一个页面以列表形式显示每个店铺,每个店铺块包含店铺信息如标题、包含店铺商家信息如姓名和电话、包含拥有的商品信息如介绍和价格。看看有没有预加载会有什么不同。 开发环境:Laravel5.1+MAMP+PHP7+MySQL5.5 ...
In addition to customizing the name of the joining table, you may also customize the column names of the keys on the table by passing additional arguments to the belongsToMany method. The third argument is the foreign key name of the model on which you are defining the relationship, while ...
Users and Orders: One to many. Orders and invoices: One to one. I realize this one isn’t cut and dried, and depending on your business domain, there might be a one to many, a many to one, or a many to many relationship. But when it comes to your average, small e-commerce stor...
1. 每一个 Model 中都指定表名 2. has one account 这样的关系写成 `hasOneAccount()` 而不是简单的 `account()` 3. 每次使用模型间关系的时候都写全参数,不要省略 相应的,如果使用 belongsTo() 关系,应该这么写: <?php class Account extends Eloquent { ...
We have seen this used as a way to have one-to-many relationships. For example, we would expect our order to have multiple Clients. But this is different from how it works. This is just a string, and if you try to use it as a relationship: Model // ... public function client()...