laravel中的表单提交无法正常工作，并显示令牌不匹配异常

Question

i'm new laravel learner. i have create a form in laravel 5.4 and add two field one is textfield and another is submit button. i have create a name route for form submission. but when i submit the form it's show token mismatch exception. i can't find out error from my code. Here, is my form code.

<form method="post" action="{{route('f.submit')}}">
    {{csrf_field()}}

    <input class="form-control" type="text" name="fname">
    <input type="submit" name="submit" value="Create">
</form>

here is my route,

Route::post('formsubmit','HomeController@formSubmit')->name('f.submit');

and here my controller,

 public function formSubmit()
{
    echo "Form Submitted";
}

Answer 1

As of Laravel 5.6 you can just use the new blade directive of @csrf . In example:

<form method="POST" action="/profile">
    @csrf
    ...
</form>

Answer 2

You have to add input hidden field for token. change you view as:

<form method="post" action="{{route('f.submit')}}">
    <input type="hidden" name="_token" value="{{ csrf_token() }}">

    <input class="form-control" type="text" name="fname">
    <input type="submit" name="submit" value="Create">
</form>

Answer 3

Can you please make sure your /storage directory has proper write permissions (0755) ? If you're in Linux, you can change that by sudo chmod 0755 -R storage/

Also, try not escaping the csrf_field() value. Instead of {{ csrf_field() }} try {!! csrf_field !!} {!! csrf_field !!} since that helper function spits out HTML

Answer 4

Try this. for Form.

<form method="post" action="{{route('f.submit')}}">
{{csrf_field()}}

<input class="form-control" type="text" name="fname">
<input type="submit" name="submit" value="Create">

In Controller.

public function formSubmit(Request $request)
{
  $request->all();
}