Lumen:如何从数据库中删除一条记录


Lumen: How to delete a record from DB?

使用Lumen,我正在显示"Tickets"。这是我的Tickets.blade.php:

@foreach($tickets as $ticket)
<div>
    <p>{{ $ticket->id }}</p>
    <p>{{ $ticket->content }}</p>
    <button onclick="deleteTicket({{$ticket->id}})">Delete</button>
</div>
@endforeach

每次有人点击删除,它都会触发这个脚本:

<script>
    function deleteTicket(id) {
        jQuery.ajax({
            type: "post",
            url: "/tickets/deleteTicket",
            data: id,
            dataType: "text",
            success: function () {
                console.log('deleted!');
            }
        });
    }
</script>

在我的routes.php中,我有这个:

$app->post('tickets/deleteTicket','TicketsController@deleteTicket');

最后,在我的TicketsController.php中,我有:

public function deleteTicket($id) {
    $ticket = Ticket::find($id);
    $ticket->delete();
    return redirect('/tickets');
}

当我按下按钮(控制台)时我得到的问题:

POST http://example.com/tickets/deleteTicket 404 (Not Found)

我不明白我做错了什么,为什么那个方法没有被发现。有人能帮忙吗?

EDIT-我已将我的routes.php更改为:

$app->get('tickets/deleteTicket/{id}','TicketsController@deleteTicket');

我的脚本看起来是一样的,但我把"类型"改为get而不是post

如果我访问这个站点:http://mysite/tickets/deleteTicket/1,票将被删除,并重定向到tickets页面。但是,如果单击按钮,则会发生以下错误:

http://MYSITE/tickets/deleteTicket?id=3 404 (Not Found)

在这一点上,我认为我只需要修改我的AJAX调用到正确的URL,但我想确保安全性是一个问题。

或者你可以试试这个:

routes.php

$app->get('tickets/deleteTicket/{id}','TicketsController@deleteTicket');

好了,这是你的刀片:添加类按钮和删除功能,点击。像这样:

<button class="delete" data-id="{{$ticket->id}}>Delete</button>

和你的脚本:

$(".delete").on("click", function(e) {
     e.preventDefault();
    var id = $(this).data('id');
    $.ajax({ 
       url : "tickets/deleteTicket/"+id+"",
       type : "get" or "post",
      success: function(data) {
          alert(data);    
       }
    });
});

你必须改变的东西
- In JS

url: "/tickets/deleteTicket", // Try change to your full URL with http://
data: id, // Change to data: "id="+id,

- In Controller

public function deleteTicket(Request $request) {
    $ticket = Ticket::find($request->id);
    $ticket->delete();
    return redirect('/tickets');
}