DateTime

编辑此页

验证值是否为有效的“datetime”，即遵循特定格式的字符串（或可以转换为字符串的对象）。

应用于	属性或方法
类	DateTime
验证器	DateTimeValidator

基本用法

        1
2
3
4
5
6
7
8
9
10
11
12
13
        // src/Entity/Author.php
namespace App\Entity;

use Symfony\Component\Validator\Constraints as Assert;

class Author
{
    /**
     * @var string A "Y-m-d H:i:s" formatted value
     */
    #[Assert\DateTime]
    protected string $createdAt;
}
    

        1
2
3
4
5
        # config/validator/validation.yaml
App\Entity\Author:
    properties:
        createdAt:
            - DateTime: ~
    

        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\Author">
        <property name="createdAt">
            <constraint name="DateTime"/>
        </property>
    </class>
</constraint-mapping>
    

        1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
        // src/Entity/Author.php
namespace App\Entity;

use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\Validator\Mapping\ClassMetadata;

class Author
{
   /**
    * @var string A "Y-m-d H:i:s" formatted value
    */
    protected string $createdAt;

    public static function loadValidatorMetadata(ClassMetadata $metadata): void
    {
        $metadata->addPropertyConstraint('createdAt', new Assert\DateTime());
    }
}
    