...需要重寫模型的 booted 方法并使用 addGlobalScope 方法:<?php namespace App\Models; use App\Scopes\AgeScope; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 模型的 "booted" 方法 * * @return void */ protected static function booted() { static::addGlobalSc...
http://m.o2fo.com/laravel_8/laravel_8-9ar63i4k.html...就不需要為一個簡單的作用域而編寫一個單獨的類:<?php namespace App\Models; use Illuminate\Database\Eloquent\Builder; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 模型的 "booted" 方法 * * @return void */ protected static function booted() { st...
http://m.o2fo.com/laravel_8/laravel_8-wcnr3i4l.html...據(jù)你的需求,在 apply 方法中加入查詢的 where 條件:<?php namespace App\Scopes; use Illuminate\Database\Eloquent\Builder; use Illuminate\Database\Eloquent\Model; use Illuminate\Database\Eloquent\Scope; class AgeScope implements Scope { /** * 把約束加到 Eloquent 查詢構(gòu)造...
http://m.o2fo.com/laravel_8/laravel_8-a8tp3i4o.html...以達(dá)到此目的。作用域參數(shù)要放在 $query 參數(shù)之后:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** *將查詢作用域限制為僅包含給定類型的用戶 * * @param \Illuminate\Database\Eloquent\Builder $query * @param mix...
http://m.o2fo.com/laravel_8/laravel_8-lryw3i4p.html...nt 模型生命周期的幾個節(jié)點映射到你自己的 event 類:<?php namespace App\Models; use App\Events\UserDeleted; use App\Events\UserSaved; use Illuminate\Foundation\Auth\User as Authenticatable; class User extends Authenticatable { use Notifiable; /** * 模型的事件映射 * * @var...
http://m.o2fo.com/laravel_8/laravel_8-qzdu3i4q.html... 通常,你應(yīng)該在模型的 booted 方法中注冊這些閉包:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 模型的 "booted" 方法 * * @return void */ protected static function booted() { static::created(function ($user) { // }); } ...
http://m.o2fo.com/laravel_8/laravel_8-89nh3i4r.html...加 scope 前綴。作用域總是返回一個查詢構(gòu)造器實例:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** *只查詢受歡迎的用戶的作用域 * * @param \Illuminate\Database\Eloquent\Builder $query * @return \Illuminate\Databas...
http://m.o2fo.com/laravel_8/laravel_8-zyva3i4y.html...法。 在 phone 方法內(nèi)部調(diào)用 hasOne 方法并返回其結(jié)果:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 獲取與用戶相關(guān)的電話記錄 */ public function phone() { return $this->hasOne('App\Models\Phone'); } } ha...
http://m.o2fo.com/laravel_8/laravel_8-8k643i51.html...用與 hasOne 方法對應(yīng)的 belongsTo 方法來定義反向關(guān)聯(lián):<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class Phone extends Model { /** * 獲取擁有此電話的用戶 */ public function user() { return $this->belongsTo('App\Models\User'); } } 在上...
http://m.o2fo.com/laravel_8/laravel_8-jpu23i53.html...一對多關(guān)聯(lián)的定義也是在 Eloquent 模型中寫一個方法:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class Post extends Model { /** * 獲取博客文章的評論 */ public function comments() { return $this->hasMany('App\Models\Comment'); } } 記住...
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...需要重寫模型的 booted 方法并使用 addGlobalScope 方法:<?php namespace App\Models; use App\Scopes\AgeScope; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 模型的 "booted" 方法 * * @return void */ protected static function booted() { static::addGlobalSc...
http://m.o2fo.com/laravel_8/laravel_8-9ar63i4k.html...就不需要為一個簡單的作用域而編寫一個單獨的類:<?php namespace App\Models; use Illuminate\Database\Eloquent\Builder; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 模型的 "booted" 方法 * * @return void */ protected static function booted() { st...
http://m.o2fo.com/laravel_8/laravel_8-wcnr3i4l.html...據(jù)你的需求,在 apply 方法中加入查詢的 where 條件:<?php namespace App\Scopes; use Illuminate\Database\Eloquent\Builder; use Illuminate\Database\Eloquent\Model; use Illuminate\Database\Eloquent\Scope; class AgeScope implements Scope { /** * 把約束加到 Eloquent 查詢構(gòu)造...
http://m.o2fo.com/laravel_8/laravel_8-a8tp3i4o.html...以達(dá)到此目的。作用域參數(shù)要放在 $query 參數(shù)之后:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** *將查詢作用域限制為僅包含給定類型的用戶 * * @param \Illuminate\Database\Eloquent\Builder $query * @param mix...
http://m.o2fo.com/laravel_8/laravel_8-lryw3i4p.html...nt 模型生命周期的幾個節(jié)點映射到你自己的 event 類:<?php namespace App\Models; use App\Events\UserDeleted; use App\Events\UserSaved; use Illuminate\Foundation\Auth\User as Authenticatable; class User extends Authenticatable { use Notifiable; /** * 模型的事件映射 * * @var...
http://m.o2fo.com/laravel_8/laravel_8-qzdu3i4q.html... 通常,你應(yīng)該在模型的 booted 方法中注冊這些閉包:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 模型的 "booted" 方法 * * @return void */ protected static function booted() { static::created(function ($user) { // }); } ...
http://m.o2fo.com/laravel_8/laravel_8-89nh3i4r.html...加 scope 前綴。作用域總是返回一個查詢構(gòu)造器實例:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** *只查詢受歡迎的用戶的作用域 * * @param \Illuminate\Database\Eloquent\Builder $query * @return \Illuminate\Databas...
http://m.o2fo.com/laravel_8/laravel_8-zyva3i4y.html...法。 在 phone 方法內(nèi)部調(diào)用 hasOne 方法并返回其結(jié)果:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * 獲取與用戶相關(guān)的電話記錄 */ public function phone() { return $this->hasOne('App\Models\Phone'); } } ha...
http://m.o2fo.com/laravel_8/laravel_8-8k643i51.html...用與 hasOne 方法對應(yīng)的 belongsTo 方法來定義反向關(guān)聯(lián):<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class Phone extends Model { /** * 獲取擁有此電話的用戶 */ public function user() { return $this->belongsTo('App\Models\User'); } } 在上...
http://m.o2fo.com/laravel_8/laravel_8-jpu23i53.html...一對多關(guān)聯(lián)的定義也是在 Eloquent 模型中寫一個方法:<?php namespace App\Models; use Illuminate\Database\Eloquent\Model; class Post extends Model { /** * 獲取博客文章的評論 */ public function comments() { return $this->hasMany('App\Models\Comment'); } } 記住...
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