mpay_v2_webman/validation.md at 9de902231ffd4f3d4d4fba938ef622f5de9bde75

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验证器 webman/validation 基于 illuminate/validation，提供手动验证、注解验证、参数级验证，以及可复用的规则集。

安装 composer require webman/validation 基本概念规则集复用：通过继承 support\validation\Validator 定义可复用的 rules messages attributes scenes，可在手动与注解中复用。方法级注解（Attribute）验证：使用 PHP 8 属性注解 #[Validate] 绑定控制器方法。参数级注解（Attribute）验证：使用 PHP 8 属性注解 #[Param] 绑定控制器方法参数。异常处理：验证失败抛出 support\validation\ValidationException，异常类可通过配置自定义数据库验证：如果涉及数据库验证，需要安装 composer require webman/database 手动验证基本用法 use support\validation\Validator;

$data = ['email' => 'user@example.com'];

Validator::make($data, [ 'email' => 'required|email', ])->validate(); 提示 validate() 校验失败会抛出 support\validation\ValidationException。如果你不希望抛异常，请使用下方的 fails() 写法获取错误信息。

自定义 messages 与 attributes use support\validation\Validator;

$data = ['contact' => 'user@example.com'];

Validator::make( $data, ['contact' => 'required|email'], ['contact.email' => '邮箱格式不正确'], ['contact' => '邮箱'] )->validate(); 不抛异常并获取错误信息如果你不希望抛异常，可以使用 fails() 判断，并通过 errors()（返回 MessageBag）获取错误信息：

use support\validation\Validator;

$data = ['email' => 'bad-email'];

$validator = Validator::make($data, [ 'email' => 'required|email', ]);

if ($validator->fails()) { $firstError = $validator->errors()->first(); // string $allErrors = $validator->errors()->all(); // array $errorsByField = $validator->errors()->toArray(); // array // 处理错误... } 规则集复用（自定义 Validator） namespace app\validation;

use support\validation\Validator;

class UserValidator extends Validator { protected array $rules = [ 'id' => 'required|integer|min:1', 'name' => 'required|string|min:2|max:20', 'email' => 'required|email', ];

protected array $messages = [
    'name.required' => '姓名必填',
    'email.required' => '邮箱必填',
    'email.email' => '邮箱格式不正确',
];

protected array $attributes = [
    'name' => '姓名',
    'email' => '邮箱',
];

} 手动验证复用 use app\validation\UserValidator;

UserValidator::make($data)->validate(); 使用 scenes（可选） scenes 是可选能力，只有在你调用 withScene(...) 时，才会按场景只验证部分字段。

namespace app\validation;

use support\validation\Validator;

class UserValidator extends Validator { protected array $rules = [ 'id' => 'required|integer|min:1', 'name' => 'required|string|min:2|max:20', 'email' => 'required|email', ];

protected array $scenes = [
    'create' => ['name', 'email'],
    'update' => ['id', 'name', 'email'],
];

} use app\validation\UserValidator;

// 不指定场景 -> 验证全部规则 UserValidator::make($data)->validate();

// 指定场景 -> 只验证该场景包含的字段 UserValidator::make($data)->withScene('create')->validate(); 注解验证（方法级）直接规则 use support\Request; use support\validation\annotation\Validate;

class AuthController { #[Validate( rules: [ 'email' => 'required|email', 'password' => 'required|string|min:6', ], messages: [ 'email.required' => '邮箱必填', 'password.required' => '密码必填', ], attributes: [ 'email' => '邮箱', 'password' => '密码', ] )] public function login(Request $request) { return json(['code' => 0, 'msg' => 'ok']); } } 复用规则集 use app\validation\UserValidator; use support\Request; use support\validation\annotation\Validate;

class UserController { #[Validate(validator: UserValidator::class, scene: 'create')] public function create(Request $request) { return json(['code' => 0, 'msg' => 'ok']); } } 多重验证叠加 use support\validation\annotation\Validate;

class UserController { #[Validate(rules: ['email' => 'required|email'])] #[Validate(rules: ['token' => 'required|string'])] public function send() { return json(['code' => 0, 'msg' => 'ok']); } } 验证数据来源 use support\validation\annotation\Validate;

class UserController { #[Validate( rules: ['email' => 'required|email'], in: ['query', 'body', 'path'] )] public function send() { return json(['code' => 0, 'msg' => 'ok']); } } 通过in参数来指定数据来源，其中：

query http请求的query参数，取自 $request->get() body http请求的包体，取自 $request->post() path http请求的路径参数，取自 $request->route->param() in可为字符串或数组；为数组时按顺序合并，后者覆盖前者。未传递in时默认等效于 ['query', 'body', 'path']。

参数级验证（Param）基本用法 use support\validation\annotation\Param;

class MailController { public function send( #[Param(rules: 'required|email')] string $from, #[Param(rules: 'required|email')] string $to, #[Param(rules: 'required|string|min:1|max:500')] string $content ) { return json(['code' => 0, 'msg' => 'ok']); } } 验证数据来源类似的，参数级也支持in参数指定来源

use support\validation\annotation\Param;

class MailController { public function send( #[Param(rules: 'required|email', in: ['body'])] string $from ) { return json(['code' => 0, 'msg' => 'ok']); } } rules 支持字符串或数组 use support\validation\annotation\Param;

class MailController { public function send( #[Param(rules: ['required', 'email'])] string $from ) { return json(['code' => 0, 'msg' => 'ok']); } } 自定义 messages / attribute use support\validation\annotation\Param;

class UserController { public function updateEmail( #[Param( rules: 'required|email', messages: ['email.email' => '邮箱格式不正确'], attribute: '邮箱' )] string $email ) { return json(['code' => 0, 'msg' => 'ok']); } } 规则常量复用 final class ParamRules { public const EMAIL = ['required', 'email']; }

class UserController { public function send( #[Param(rules: ParamRules::EMAIL)] string $email ) { return json(['code' => 0, 'msg' => 'ok']); } } 方法级 + 参数级混合 use support\Request; use support\validation\annotation\Param; use support\validation\annotation\Validate;

class UserController { #[Validate(rules: ['token' => 'required|string'])] public function send( Request $request, #[Param(rules: 'required|email')] string $from, #[Param(rules: 'required|integer')] int $id ) { return json(['code' => 0, 'msg' => 'ok']); } } 自动规则推导（基于参数签名）当方法上使用 #[Validate]，或该方法的任意参数使用了 #[Param] 时，本组件会根据方法参数签名自动推导并补全基础验证规则，再与已有规则合并后执行验证。

示例：#[Validate] 等价展开

只开启 #[Validate]，不手写规则：