namespace app\common\validate;

use think\Validate;

class User extends Validate{

//验证输入
protected $rule = [
'name' => 'require|max:25',
'password' => 'require|min:6',
'email' => 'email',
];

protected $scene = [
'add' => ['name','password','email'],
'edit' => ['password','email'],
];

}


调用：
$data=[
'name' => $name,
'password' => $password,
'email' => $email,
];
//验证输入
$result = $this->validate($data,'User.add');
if(true !== $result){
// 验证失败 输出错误信息
dump($result);
}


错误提示：
类不存在:app\common\validate\User