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->bel...
1 One to many relationship in eloquent 0 One to many relationships with Eloquent 0 Laravel 5 one to many eloquent relationship 3 One-To-Many Relationships in laravel eloquent 1 Laravel Many-to-one relationship 1 One to Many Relationship in Laravel 5.5 1 Laravel 5.6 - One to many r...
在Laravel中,可以通过以下几种关系列来实现对同一张表的关联操作: 一对一关系(One-to-One Relationship):表示两个模型之间的一对一关系。例如,一个用户(User)模型可以与一个身份证(IDCard)模型建立一对一关系,一个用户只能拥有一个身份证,一个身份证只能属于一个用户。 一对多关系(One-to-Many Relationship):表...
一对一关联(One-to-One Relationship):用于关联两个表中的一条记录与另一个表中的一条记录。可以使用hasOne和belongsTo方法来定义一对一关联。具体用法可以参考 Laravel 文档中的一对一关联。 一对多关联(One-to-Many Relationship):用于关联一个表中的一条记录与另一个表中的多条记录。可以使用hasMany和belongs...
一对一的关系(one-to-one relationship) 关系数据库中两个表之间的一种关系,该关系中第一个表中的单个行只可以与第二个表中的一个行相关,且第二个表中的一个行也只可以与第一个表中的一个行相关。 假如我们有一张user表和一张passport表是一对一的关系 ...
* Define a one-to-many relationship From a field with comma or other separator. * * @param $related * @param null $foreignKey * @param null $localKey * @param string $separator * @return HasManyFromStr */publicfunctionhasManyFromStr($related,$foreignKey=null,$localKey=null,$separator='...
A one-to-many relationship is used to define relationships where a single model owns any amount of other models. For example, a blog post may have an infinite number of comments. Like all other Eloquent relationships, one-to-many relationships are defined by placing a function on your ...
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...
参考https://laravel.com/docs/10.x/eloquent-relationships#retrieving-intermediate-table-columns ...
return $this->hasOne('Phone'); } }The first argument passed to the hasOne method is the name of the related model. Once the relationship is defined, we may retrieve it using Eloquent's dynamic properties:$phone = User::find(1)->phone;The...