hasOne、hasMany、belongsTo这3个的大致中文意思: hasOne:有一个,加上主谓语应该是 ,A有一个B hasMany:有很多,A有很多B belongsTo:属于,A属于B goods_cate(商品分类表:id,titile),goods(商品表:id,cate_id,name),detail(商品详情表:id,goods_id,price) 一个商品分类下面有多个商品,... ...
它太长了，无法粘贴到这里)，并且还需要覆盖gist中描述的基本Model类来实现belongsToManyThrough。
laravel的hasOne,hasMany,belongsTo,belongsToMany,hasOneThrough,hasManyThrough详解 () {return$this->;belongsTo('GoodsCate', 'goods_cate表的col', 'goods表的col'); }functiondetail() {//方法名随便起return$this->;hasOne('Detail', 'Detail表的col', ' '); }functiontest1() {//测试上面detail...
Laravel - BelongsToMany仅检索当前相关记录 Laravel是一种流行的PHP开发框架,它提供了丰富的功能和工具,使开发人员能够快速构建高质量的Web应用程序。在Laravel中,BelongsToMany是一种关联关系类型,用于建立多对多的关系。 BelongsToMany关联关系表示两个模型之间的多对多关系。在Laravel中,我们可以使用BelongsToMan...
BelongsToThrough This inverse version ofHasManyThroughallowsBelongsToThroughrelationships with unlimited intermediate models. Supports Laravel 5.0+. Installation composer require staudenmeir/belongs-to-through:"^2.5" Use this command if you are in PowerShell on Windows (e.g. in VS Code): ...
public function tags() { return $this->belongsToMany( related: Tag::class, table: "job_tag", foreignPivotKey: "job_id", relatedPivotKey: "tag_id", parentKey: "id", relatedKey: "id", relation: null); } } You will note that above, the default assumption made by Laravel is that...
一对一 hasOne() 有对应的反向 belongsTo(),而远程一对一确没有,是不是就不能实现反过来查询了呢,其实是可以的,正反向都用同一个API。 比如存在以下实体 user 用户 (id) wallet 用户钱包 (id user_id) wallet_log 钱包日志 (id wallet_id)
您可以通过模型中的$table属性手动更改表名，这是因为Laravel将尝试查找名为promo_events的数据库表 ...
Originally brought up and dismissed in #3052. (see for more examples) The HasManyThrough relationship can not be used in both directions. The simplest analogy is person a knows person b's phone number person b know's person c's phone num...
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