我正在使用laravel构建售票系统。但是,当我取出一张票时,反应不会消失吗?
这是我对数据透视表的迁移:
public function up()
{
Schema::create('reactions_ticket',function(Blueprint $table)
{
$table->integer('ticket_id')->unsigned();
$table->foreign('ticket_id')->references('id')->on('ticket')->onDelete('cascade');
$table->integer('reactions_id')->unsigned();
$table->foreign('reactions_id')->references('id')->on('reactions')->onDelete('cascade');
});
}
这是我的反应表:
public function up()
{
Schema::create('reactions',function(Blueprint $table)
{
$table->increments('id');
$table->integer('user_id')->unsigned();
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
$table->text('content');
$table->timestamps();
});
}
和我的票表:
public function up()
{
Schema::create('ticket',function(Blueprint $table)
{
$table->increments('id');
$table->string('slug')->nullable();
$table->integer('ticketid')->unsigned();
$table->integer('user_id')->unsigned();
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
$table->integer('subject_id')->unsigned();
$table->foreign('subject_id')->references('id')->on('subject')->onDelete('cascade');
$table->integer('websites_id')->unsigned();
$table->foreign('websites_id')->references('id')->on('websites')->onDelete('cascade');
$table->integer('status_id')->unsigned();
$table->foreign('status_id')->references('id')->on('status')->onDelete('cascade');
$table->text('content');
$table->timestamps();
});
}
我在做什么错>?
我总是喜欢自己处理此类操作,而不是让MySQL执行id。
您可以在Ticket
模型中使用laravels事件处理程序。
protected static function boot() {
parent::boot();
static::deleting(function($ticket) {
// delete related stuff ;)
$reaction_ids = $ticket->reactions()->lists('id');
Reaction::whereIn($reaction_ids)->delete();
});
}
因此,您仍然拥有(如果需要)软删除和更多控制的优势。
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