Laravel 5.2-使用API​​进行验证 [英] Laravel 5.2 - Validation with API

问题描述

我正在使用Laravel 5.2通过REST JSON API进行验证.

I am using Laravel 5.2 for validation with a REST JSON API.

我有一个UserController，它扩展了Controller并使用了ValidatesRequests特性.

I have a UserController that extends Controller and uses the ValidatesRequests trait.

示例代码:

$this->validate($request, [
    'email'         => 'required|email',
    'password'      => 'required|min:4|max:72',
    'identifier'    => 'required|min:4|max:36',
    'role'          => 'required|integer|exists:role,id',
]);

这引发异常，因此在我的Exceptions/Handler.php中，我有以下代码:

This throws an exception, so in my Exceptions/Handler.php I have this code:

public function render($request, Exception $e)
{
   return response()->json([
       'responseCode'  => 1,
       'responseTxt'   => $e->getMessage(),
   ], 400);
}

但是，验证responseTxt时始终为:

Array
(
   [responseCode] => 1
   [responseTxt] => The given data failed to pass validation.
)

我过去曾经使用过Laravel 4.2，并记得验证错误，其中提供了有关验证失败的更多详细信息.

I have used Laravel 4.2 in the past and remember the validation errors providing more detail about what failed to validate.

我怎么知道哪个字段验证失败，为什么?

How can I know which field failed validation and why?

推荐答案

在Laravel 5.2中，validate()方法抛出Illuminate \ Validation \ ValidationException，因此，如果要获取响应，请使用 getResponse() >而是getMessage().

In Laravel 5.2 validate() method throws a Illuminate\Validation\ValidationException, so if you want to get the response use getResponse() instead getMessage().

例如，处理此异常的一种简单方法可能是执行以下操作:

For example, an easy way to handle this exception could be doing something like this:

try{
   $this->validate($request, [
       'email'         => 'required|email',
       'password'      => 'required|min:4|max:72',
       'identifier'    => 'required|min:4|max:36',
       'role'          => 'required|integer|exists:role,id'
   ]);
}catch( \Illuminate\Validation\ValidationException $e ){
    return $e->getResponse();
}

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