How to increment the count value in DB when button is clicked in laravel? - ajax

Question

I have Home.blade.php when I click the vote button in that page, the count value should increment in the candidate table.
Here my Home.blade.php
#foreach ($file as $show)
<div class="col-md-3">
<div class="card">
<img src="p3.png" alt="John" style="width:100%">
<div class="card-body">
<h5 class="title">President</h5>
<p class="card-text">Name : {{$show->name}}</p>
<!-- <p><button>VOTE</button></p> -->
<button type="button" class="vote">VOTE</button>
</div>
</div>
</div>
#endforeach
I have table name called the candidate, when vote button is clicked, the count should be incremented in database. And i have controller called HomeController pls help me.
Thank you
class Homecontroller extends Controller
{
public function pre()
{
$file = DB::table('candidate')
->select('name','branch')
->where('candidate.post_id', '=', 1)
->get();
return view('/home')->with('file',$file);
}
}
#foreach ($file as $show)
<div class="col-md-3" style="margin-bottom: 20px;">
<div class="card">
<img src="p3.png" alt="John" style="width:100%">
<div class="card-body">
<h5 class="title">President</h5>
<p class="card-text">Name : {{$show->name}}</p>
<p><button>VOTE</button></p>
</div>
</div>
</div>
#endforeach
i have used funtion redirect to controller
in controller i have used this function
public function Count(){
DB::table('candidate')->increment('count',1);
return view('/home');
}
still its not working
this is my Route
Route::get('/home','Homecontroller#count');