'int', 'user_id' => 'int', 'activity_id' => 'int', 'create_time' => 'int', 'comment' => 'string', 'status' => 'int', 'cancel_time' => 'int', ]; // 设置字段自动转换类型 protected $type = [ 'create_time' => 'timestamp:Y-m-d H:i:s', 'cancel_time' => 'timestamp:Y-m-d H:i:s', ]; public function getStatusTextAttr($value, $data) { $status = [1 => '报名成功', 2 => '取消']; return $status[$data['status']]; } public function user() { return $this->hasOne(User::class,'id','user_id'); } public function activity() { return $this->hasOne(Activity::class,'id','activity_id'); } }