验证值是否为有效的国际证券识别编码 (ISIN)。
| 应用于 | 属性或方法 |
| 类 | Isin |
| 验证器 | IsinValidator |
1 2 3 4 5 6 7 8 9 10
// src/Entity/UnitAccount.php
namespace App\Entity;
use Symfony\Component\Validator\Constraints as Assert;
class UnitAccount
{
#[Assert\Isin]
protected string $isin;
}1 2 3 4 5
# config/validator/validation.yaml
App\Entity\UnitAccount:
properties:
isin:
- Isin: ~1 2 3 4 5 6 7 8 9 10 11 12
<!-- config/validator/validation.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<constraint-mapping xmlns="http://symfony.ac.cn/schema/dic/constraint-mapping"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://symfony.ac.cn/schema/dic/constraint-mapping http://symfony.ac.cn/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd">
<class name="App\Entity\UnitAccount">
<property name="isin">
<constraint name="Isin"/>
</property>
</class>
</constraint-mapping>1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
// src/Entity/UnitAccount.php
namespace App\Entity;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\Validator\Mapping\ClassMetadata;
class UnitAccount
{
// ...
public static function loadValidatorMetadata(ClassMetadata $metadata): void
{
$metadata->addPropertyConstraint('isin', new Assert\Isin());
}
}注意
与其他大多数约束一样，null 和空字符串被认为是有效值。这是为了允许它们成为可选值。如果该值是强制性的，常见的解决方案是将此约束与 NotBlank 结合使用。