如果复选框选择了 laravel，则进行条件验证

Question

我在 Laravel 中有一个表单，我想在其中基于一个复选框来验证三个文本字段。它是一个编辑用户表单，如果我选择是，我只想在其中更新密码。这是我认为的形式：

<section>
    <div class="form">
        <h1>Edit: {!! $user->name !!}</h1>
        {!! Form::model($user, ['method' => 'PATCH', 'action' => ['AccountController@update', $user->id], 'files' => true]) !!}
        <p>Name: {!! Form::text('name') !!}
        <p>Email: {!! Form::text('email') !!}
        <p>Update Password? (tick for yes) &nbsp; {!! Form::checkbox('updatepasswordcheck', 0, false) !!}
        <p>Old Password: {!! Form::password('oldpassword') !!} 
        <p>New Password: {!! Form::password('newpassword') !!}
        <p>New Password Confirm: {!! Form::password('newpasswordconfirm') !!}
        @if($user->role_id == 1) 
            <p>User Role: {!! Form::select('user_type', ['admin', 'guest'], '1') !!}
        @else
            <p> User Role: {!! Form::select('user_type', ['admin', 'guest'], '0') !!}
        @endif
        <p>{!! Form::submit('Update') !!}
        {!! Form::close() !!}
        @include ('errors.list_errors')
    </div>
</section>

然后我有一个名为 EditAccountRequest 的请求，如下所示：

<?php

namespace App\Http\Requests;

use App\Http\Requests\Request;

class EditAccountRequest extends Request
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
      

        if($this->inputs['updatepasswordcheck'])
        {
            $rules['oldpassword'] = 'required';
            $rules['newpassword'] = 'required';
            $rules['newpasswordconfirm'] = 'required';  
        }
        $rules['name'] = 'required|min:3';
        $rules['email'] = 'required|email';
        
        return $rules;
    }
}

我的问题是，当我看到复选框“updatepasswordcheck”是否为真时，它永远不会起作用，因为输入总是显示为空。有谁知道如何解决这个问题？

Answer 1

可能可以为此目的使用 required_unless：

$this->validate($request, 
        [
            'content' => 'required_unless:otherfields,null',
        ],
        [
            'content.required_unless' => 'Please enter content for detail'
        ]);

文档： https://laravel.com/docs/8.x/validation#rule-required-unless

还有另一种方法可以查看有时规则。这将仅在字段可用时运行规则：

文档： https://laravel.com/docs/5.3/validation#conditionally-adding-rules

Answer 2

更简洁直接的解决方案

    $validated = $request->validate([
        .
        .
        .
        'newpasswordconfirm' => 'required|accepted',
        'oldpassword' => 'required',
        'newpassword' => $request->newpasswordconfirm === 'yes' ? 'required': 'nullable',
    ]);

Answer 3

您可以在此示例中执行以下操作：

public function rules(Request $request)
{
    if($request->has('updatepasswordcheck'))
    {
        $rules['oldpassword'] = 'required';
        $rules['newpassword'] = 'required';
        $rules['newpasswordconfirm'] = 'required';  
    }
    $rules['name'] = 'required|min:3';
    $rules['email'] = 'required|email';

    return $rules;
}

Answer 4

我使用的是 Laravel 5.5，这段代码运行良好，我的情况是如果“公司信息”下拉菜单选择“是”，那么应该需要“公司名称”。

控制器：

protected function validator(array $data)
{
   return Validator::make($data, [

      'company_name' => 'required_if:is_company,1',

   ]);
}

查看：

<label class="control-label">Company Info</label>
<select id="is_company" class="form-control" name="is_company">
       <option value="0">No</option>
       <option value="1">Yes</option>
</select>


<label class="control-label">Company Name</label>
<input type="text" class="form-control" name="company_name">

More Detail

Answer 5

好的，我解决了。我这样做了，它有效：

public function rules()
{
        if($this->has('updatepasswordcheck'))
        {
            $rules['oldpassword'] = 'required';
            $rules['newpassword'] = 'required';
            $rules['newpasswordconfirm'] = 'required';  
        }
        $rules['name'] = 'required|min:3';
        $rules['email'] = 'required|email';

        return $rules;
}