php 当我在路由上有 post 方法时，Symfony\Component\HttpKernel\Exception\HttpException 错误
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Symfony\Component\HttpKernel\Exception\HttpException error when I have post method on route
提问by Joan Plepi
I am doing an ajax request with jquery and I want to send one data to the server (the id of the clicked button) so I can make the correct query and return the correct reponse. The idea is that after I click a button I should make the ajax call to request a datatable. My jquery function looks like this:
我正在使用 jquery 执行 ajax 请求，我想向服务器发送一个数据（单击按钮的 id），以便我可以进行正确的查询并返回正确的响应。这个想法是，在我单击一个按钮后，我应该进行 ajax 调用以请求数据表。我的 jquery 函数如下所示：
$('button').click(function(){
var dep_id = $(this).attr('id');
var table = $('#dataTable').DataTable( {
"processing": true,
"serverSide": true,
"ajax": {
"url" : '{!! route('workerDepData') !!}' ,
"type" : "POST" ,
"data" : { id: dep_id }
},
columns: [
{ data: 'id', name: 'id' },
{ data: 'worker_name' , name:'name' },
{ data: 'role', name: 'role' },
{ data: 'dep_name' , name:'dep_id'} ,
{ data: 'created_at', name: 'created_at' } ,
{
"className": "details",
"orderable": false,
"data": null,
"defaultContent": '<button class="btn btn-success" id="show">Show</button>' }
]
} );
My route is like below:
我的路线如下：
Route::post('/dep/fetch/workers' , 'DepsController@fetch_workers')->name('workerDepData');
My fetch_workers function inside the controller has this code:
我在控制器中的 fetch_workers 函数有以下代码：
public function fetch_workers()
{
$workers = DB::table('workers')
->where('workers.dep_id' , '=' ,request('id'))
->join('departaments' , 'workers.dep_id' , '=' , 'departaments.id')
->select('workers.id' , 'workers.name as worker_name' , 'workers.role' , 'departaments.name as dep_name' , 'workers.created_at')
->get();
$ajaxResponse = Datatables::of($workers)->make(true);
return $ajaxResponse;
}
After I click the button I get an error and when I check the response from the server due to the ajax request , I see a json file which have an exception at
单击按钮后，出现错误，当我检查由于 ajax 请求而来自服务器的响应时，我看到一个 json 文件在
Symfony\Component\HttpKernel\Exception\HttpException.
Symfony\Component\HttpKernel\Exception\HttpException。
I check for this kind of exception and I saw it was due to a route using get instead of post. My route as you can see is using post so I don't understand why is this exception.
我检查了这种异常，我发现这是由于使用 get 而不是 post 的路由。如您所见，我的路线是使用 post，所以我不明白为什么会出现这种异常。
回答by Anar Bayramov
As I have mentioned in comments. Its CSRFtoken issue.
正如我在评论中提到的。它的CSRF令牌问题。
In order to fix it
为了修复它
1) You can exclude your URI for CSRF
1）您可以为CSRF排除您的URI
2) You can put csrf_token() to your ajax request.
2）您可以将 csrf_token() 放入您的 ajax 请求中。
Detailed explaination can be found here https://laravel.com/docs/5.5/csrf
详细解释可以在这里找到https://laravel.com/docs/5.5/csrf
回答by ZZA
You must include CSRF token in both blade form and post method.
您必须在刀片形式和 post 方法中包含 CSRF 令牌。
var _token = $("input[name='_token']").val();
and pass together with other data.
并与其他数据一起传递。
data: { _token:_token , etc:etc },
have fun :)
玩得开心 ：）
回答by Detroit Charan
Laravel: For those who are facing with csrf issue with ajax in laravel
Laravel：对于那些在 Laravel 中使用 ajax 遇到 csrf 问题的人
<?php
if(condition){
$updated_field = 'User' ;
$id = $t->updated_value;
echo '<script type="text/javascript">';
echo '$(document).ready(function(){
var updated_value ='. $id .';
//alert(updated_value);
$.ajaxSetup({
headers : { "X-CSRF-TOKEN" :jQuery(`meta[name="csrf-token"]`). attr("content")}
});
$.ajax({
type:"POST",
url : "get_username",
data : { id: id },
success: function(){
console.log(data);
}
});
});';
echo '</script>';
}
?>回答by DsRaj
In all the latest version above 5.6, you can use like this
在5.6以上的所有最新版本中，你可以这样使用
<form method="POST" action="YOUR_ACTION">
@csrf
...
</form>
