将验证错误消息格式化为嵌套关联数组答案

【问题标题】：Format validation error message as nested associative array将验证错误消息格式化为嵌套关联数组
【发布时间】：2018-11-09 12:20:39
【问题描述】：

我有一个 Json 数据对象，如下所示

{
  "name": "something",
  "location": {
    "city": "some where",
    "country": "some where",

  }
}

用于验证请求的规则是

[
    'name' => 'required',
    'location.city' => 'required',
    'location.country' => 'required'
]

返回类似

的错误信息

{
  "name": [
    "The name field is required."
  ],
  "location.city": [
    "The location.city field is required."
  ],
  "location.county": [
    "The location.country field is required."
  ]
}

如何将错误消息格式化为像请求一样的嵌套数组。

{
  "name": [
    "The name field is required."
  ],
  "location": {
    "city": [
      "The city field is required"
    ],
    "country": [
      "The country field is required"
    ]
  }
}

任何可用的默认方法？我正在使用Illuminate\Foundation\Http\FormRequest

【问题讨论】：

标签： laravel validation laravel-5.7

【解决方案1】：

在您的情况下，您需要自己构建错误消息。您仍然可以使用 ressources/lang/en/validation 消息文件中的默认消息。

$validator = Validator::make($request->all(), [
    'name' => 'required',
    'location.city' => 'required',
    'location.country' => 'required'
]);

if ($validator->fails()) {
    return response()->json($yourOwnFormat,422);
    //you can use $validator->errors() to build it
}

【讨论】：

【解决方案2】：

对于那些正在寻找解决方案的人这就是我实施的方式

<?php 
namespace App\Http\Requests;

use Illuminate\Contracts\Validation\Validator;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Http\Exceptions\HttpResponseException;

class UserStoreRequest extends FormRequest
{
    public function rules()
    {
        return [
            'name' => 'required',
            'location.city' => 'required'
            'location.country' => 'required'
        ];
    }
    public function attributes()
    {
        return [
            'location.city' => 'City'
            'location.country' => 'Country'
        ];
    }
    protected function failedValidation(Validator $validator)
    {
        $errors = $validator->errors()->getMessages();
        $errors_formated = array();
        foreach ($errors as $key => $value) {
        array_set($errors_formated, $key, $value);
        }
        throw new HttpResponseException(response()->json(['error' => $errors_formated], 422));
    }
}

$validator->errors()->getMessages() 的结果就像array_dot() 辅助函数结果一样。所以我做了array_dot()的相反，也把我的属性名改成了漂亮的名字

【讨论】：

我收到错误：未定义的函数数组集

【解决方案3】：

是吗？ Laravel Documentation- Customizing the Error Messages

public function messages()
{
    return [
        'location.city' => 'The city field is required',
        'location.county'  => 'The county field is required',
    ];
}

【讨论】：

它只会改变像The city field is required这样的消息部分我需要改变密钥location.city。请看我的回复样本