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README
Apache-2.0

微擎表单验证器注解支持

使用注解的方式来指定对应的验证器,场景或验证的字段

安装

composer require itwmw/engine-validate-attributes

控制器使用

use Itwmw\Validate\Attributes\Validator;

class UserController
{
    #[Validator(validate: UserValidate::class, scene: 'login')]
    public function login()
    {
    }

    #[Validator(validate: UserValidate::class, fields: ['user', 'pass'])]
    public function register()
    {
    }
}

Validator有三个参数分别是:

  • $validate 验证器的完整命名空间
  • $scene 场景名称,如果提供了此值,则$fields参数无效
  • $fields 要验证的字段,数组类型

中间件使用

如果你使用了验证器提供的中间件,则可以将本扩展注册到中间件配置中:

use Itwmw\Validate\Attributes\ValidateAttributesFactory;
use Itwmw\Validate\Middleware\ValidateMiddlewareConfig;

ValidateMiddlewareConfig::instance()->setValidateFactory(new ValidateAttributesFactory());

接下来中间件将自动获取注解指定的验证器来完成验证

独立使用

可以通过以下方式来获取到指定的验证器

$validate = (new Itwmw\Validate\Attributes\ValidateAttributesFactory())->getValidate(UserController::class, 'login');
// or
$validate = get_class_method_validator(UserController::class, 'login');

将返回验证器数组,如果没有指定验证器,则返回false

getValidate方法需要两个参数

  • $controller 控制器名或者类名
  • $scene 方法名或者场景名,非必填

类属性注解使用

目前注解支持验证器的全部内置规则以及数据处理器

定义:

class UserInfo
{
    #[Required]
    #[ChsAlphaNum]
    #[Between(min:1, max: 10)]
    #[Message('昵称')]
    public string $nickname;

    #[Required]
    #[Email]
    #[Message(messages: [
        Email::class    => '邮箱格式错误',
        Required::class => '邮箱不能为空'
    ])]
    public string $email;

    #[Required]
    #[ArrayRule('@keyInt')]
    #[Preprocessor([0], ProcessorExecCond::WHEN_EMPTY)]
    #[Postprocessor('array_unique', ProcessorExecCond::WHEN_NOT_EMPTY, ProcessorParams::Value)]
    public array $group;

    #[StringRule]
    #[Message(name: '备注')]
    #[Preprocessor('trim', ProcessorExecCond::WHEN_NOT_EMPTY, ProcessorParams::Value)]
    #[Postprocessor('removeXss', ProcessorExecCond::WHEN_NOT_EMPTY, ProcessorParams::Value)]
    public ?string $remark = '';

    public function removeXss($value): string
    {
        // 处理xss demo,仅供展示
        $value = preg_replace('/<script.*?>.*?<\/script>/si', '', $value);
        return strip_tags($value);
    }
}

验证:

$data = validate_attribute(UserInfo::class, [
    'nickname' => 'test',
    'email'    => '123@qq.com',
    'remark'   => '<script>alert(1)</script>备注说明'
]);

print_r($data);

//UserInfo Object
//(
//    [nickname] => test
//    [email] => 123@qq.com
//    [group] => Array
//        (
//            [0] => 0
//        )
//
//    [remark] => 备注说明
//)

解释:

  • $nickname 字段必填,只能是汉字、字母和数字,长度在1-10之间, 字段的名称为昵称

  • $email 字段必填,必须是邮箱格式,如果为空则提示邮箱不能为空,如果不是邮箱格式则提示邮箱格式错误

  • $group 字段必填,必须是数组,且数组的键必须是整数,如果为空则默认值为[0],验证通过后使用array_unique去重

  • $remark 字段非必填,如果不为空则使用trim去除两边空格,使用removeXss去除xss,字段的名称为备注

  • removeXss 方法为自定义的数据处理器

  • ProcessorExecCond 为数据处理器的执行时机,有三个值

    • ProcessorOptions::WHEN_NOT_EMPTY 当字段不为空时执行
    • ProcessorOptions::WHEN_EMPTY 当字段为空时执行
    • ProcessorOptions::ALWAYS 总是执行,默认行为
  • ProcessorParams 为数据处理器的参数来源,有四个值

    • ProcessorParams::Value 使用字段的值作为参数
    • ProcessorParams::Attribute 使用字段的键作为参数
    • ProcessorParams::OriginalData 使用原始数据作为参数
    • ProcessorParams::DataAttribute 提供一个DataAttribute类作为参数
  • ProcessorOptions 为数据处理器的可选参数,有两个值

    • ProcessorOptions::MULTIPLE 为同一个字段添加多个处理器时使用,此库中会自动处理
    • ProcessorOptions::VALUE_IS_ARRAY 当值为一个数组时使用,此库中无需使用
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