1. 创建数据库表 创建articles表 Schema::create('articles',function(Blueprint $table){ $table->increments('id'); $table->string('title'); $table->text('content'); $table->timestamps(); }); AI代码助手复制代码 创建tags表 Schema::create('tags',function(Blueprint $table){ $table->incre...
“I've been enjoying Laravel's focus on pushing DX to the next level for many years. It is well-designed and has stellar documentation.” Freek Van der HertenOwner of Spatie “The Laravel ecosystem has been integral to the success of our business. The framework allows us to move fast and...
在这些关系模型中,最难实现的就是Many-To-Many这种多对多的关系,不过借助Laravel的强大的Eloquent,实现这个功能还是比较顺心的。 1. 创建数据库表 创建articles表 Schema::create('articles',function(Blueprint$table){$table->increments('id');$table->string('title');$table->text('content');$table->tim...
* Make changes to the database. * *@returnvoid */publicfunctionup(){Schema::table('users',function($table){$table->create();$table->increments('id');$table->string('email');$table->string('real_name');$table->string('password');$table->timestamps(); }); }/** * Revert the ...
BelongsToMany 关系: 这是一种多对多关系,表示两个模型之间通过一个中间表(pivot table)关联。 例如,一个 Post 可以有多个 Tag,反之亦然。 Laravel Nova 指标(Metrics): Nova 提供了一种直观的方式来创建和管理仪表盘上的指标。 指标可以显示各种统计数据,如总数、平均值、计数等。 分区(Partitioning): 分区是...
public function table2() { return $this->belongsToMany(Table2::class, 'table1_table2'); } 在Table2模型中定义多对多关系的关联方法: 代码语言:txt 复制 public function table1() { return $this->belongsToMany(Table1::class, 'table1_table2'); } ...
In previous versions of Laravel, Eloquent model events were not dispatched when attaching, detaching, or syncing custom intermediate table / "pivot" models of a many-to-many relationship. When using custom intermediate table models in Laravel 5.8, the applicable model events will now be dispatched...
Polymorphic Many To Many Relation Table Structure 多态的多对多关联数据库表结构除了一般的多态关联,也可以使用多对多的多态关联。例如,Blog 的Post 和Video 模型可以共用多态的Tag 关联模型。首先,来看看数据库表结构:posts id - integer name - string videos id - integer name - string tags id - integer...
/** * Join roles to base users table. * Assumes roles -> users is a one-to-many relationship * * @param \Illuminate\Database\Eloquent\Builder * @return \Illuminate\Database\Eloquent\Builder */ public static function laratablesQueryConditions($query) { return $query->join('roles', 'roles...
In this example, i will create "users", "roles" and "role_user" tables. each table is connected with each other. now we will create many to many relationships with each other by using the laravel Eloquent Model. We will first create database migration, then model, retrieve records and ...