我有一个实体City,存储了30000多个对象。用户能够向Address添加一个具有关系ManyToOne的City对象。但是在表单构建过程中,<input>类型无线电或select的呈现并不适合对象的数量.public function buildForm(FormBuilderInterface $builder, array $options) /* Pattern to get cities */
$pattern = 'Bor%'; //I use this filter to reduce the n