Laravel中的AJAX调用返回Http异常
[英]AJAX call in Laravel returns Http Exception
问题描述
When I tried to use ajax in laravel it shows the following error, 
当我尝试在laravel中使用ajax时，显示以下错误，
{ "message": "", "exception": "Symfony\\Component\\HttpKernel\\Exception\\HttpException", "file": "C:\\xampp\\htdocs\\TravelAssistant\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Exceptions\\Handler.php", "line": 203, "trace": [ { "file": "C:\\xampp\\htdocs\\TravelAssistant\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Exceptions\\Handler.php", "line": 175, "function": "prepareException", "class": "Illuminate\\Foundation\\Exceptions\\Handler", "type": "->" }, { "file": "C:\\xampp\\htdocs\\TravelAssistant\\app\\Exceptions\\Handler.php", "line": 49, "function": "render", "class": "Illuminate\\Foundation\\Exceptions\\Handler", "type": "->" }, { "file": "C:\\xampp\\htdocs\\TravelAssistant\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Pipeline.php", "line": 83, "function": "render", "class": "App\\Exceptions\\Handler", "type": "->" }, { "file": "C:\\xampp\\htdocs\\TravelAssistant\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Pipeline.php", "line": 55, "function": "handleException", "class": "Illuminate\\Rout
My controller code is, 我的控制器代码是
public function getPublicAttraction(Request $request)
{
return response(['msg'=>'success']);
}
The ajax call, 阿贾克斯电话，
<script>
function getAttraction()
{
var pass= {'_token':$('meta[name="csrf-token"]').attr('content')
};
$.ajax({
type:'POST',
url:'{{route("Attractions")}}',
datatype:'json',
data: pass,
success:function(data){
$("#public_attractions").html(data.msg);
}
}).fail(function(jqXHR, textStatus, error){
$("#public_attractions").html(jqXHR.responseText);
});
}
$(document).ready(function(){
getAttraction();
});
</script>
meta tag with csrf token, 带有csrf令牌的元标记，
<meta name="csrf-token" content="!!{csrf_token()}!!">
the route file web.php entry, 路由文件web.php条目，
Route::post('/getAttractions','AjaxController@getPublicAttraction')->name('Attractions');
I think I am stuck, please help. 我想我被困住了，请帮忙。
2 个解决方案
解决方案1
0 2018-10-12 16:03:18
Why you reinvent something which is working fine. 为什么要重新发明行之有效的东西。
1st Token in blade should look like this: (you have additional !! for what ever reason) 刀片中的第一个令牌应如下所示：（无论出于何种原因，您都有额外的!!）
<meta name="csrf-token" content="{{ csrf_token() }}">
2nd Put this code somewhere in the master blade: 2nd将此代码放在主刀片中的某个位置：
$.ajaxSetup({
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
}
});
Source https://laravel.com/docs/5.7/csrf#csrf-x-csrf-token 来源https://laravel.com/docs/5.7/csrf#csrf-x-csrf-token
解决方案2
0 2018-10-12 16:17:11
好的，除了CSRF元标记的方式外，其他一切看起来都不错，因为您不需要转义csrf令牌中的任何内容，因此打印令牌的正确方法将是： <!-- CSRF Token --> <meta name="csrf-token" content="{{ csrf_token() }}"> Token- <!-- CSRF Token --> <meta name="csrf-token" content="{{ csrf_token() }}">这是我无法给您的最佳猜测，因为您没有提供响应的HTTP状态是什么，也不提供抛出异常的哪种情况，异常消息也为空所以..
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