And*_*est 7 php validation laravel-5
这条代码几天前正在运行,但我似乎已经做了一些让它破坏的事情.
我有这条路线:
Route::post('admin/routemanagement', 'AdminController@addRoute');
看起来像这样:
public function addRoute(Request $request) {
if(Auth::check()) {
$rules = [
'flightDep' => 'required',
'flightArr' => 'required',
'flightDepTime' => 'required',
'flightArrTime' => 'required',
];
$messages = [
'flightDep.required' => 'A departure ICAO is required',
'flightArr.required' => 'An arrival ICAO is required',
'flightDepTime.required' => 'A departure time is required',
'flightArrTime.required' => 'An arrival time is required'
];
$validator = $this->validate($request, $rules, $messages);
if($validator->fails()) {
return redirect('admin/routemanagement')->withErrors($validator)->withInput();
}
}
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但是,当此代码运行时,$validator变量由于某种原因最终为null,我得到以下内容:
Call to a member function fails() on null
从Laravel文档中:
“ ...如果验证失败,将自动生成正确的响应。如果验证通过,我们的控制器将继续正常执行。” (https://laravel.com/docs/5.2/validation)
因此,以下代码不是必需的:
if($validator->fails()) {
return redirect('admin/routemanagement')->withErrors($validator)->withInput();
}
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如果验证失败,Laravel会自动做出响应,如果验证成功,则其余代码将正常执行。
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