angularjs – Angular $http返回“no access control allow origin”标头,但jQuery $.get请求返回信息

怎么可以jQuery $.get,$.post并得到想要的结果但角度不能$http.get,$http.post?为什么原始政策不适用于角度而非
jquery

Laravel后端,有棱角的前端.我正在考虑使用jQuery,因为它不会阻止CRUD操作在客户端发生.

我配置了$http和$httpProvider ……

.run(function($http){
     $http.defaults.headers.common['Access-Control-Allow-Origin'] = "*";
     $http.defaults.headers.common['Access-Control-Allow-Methods'] = "GET, POST, PUT, DELETE, OPTIONS";
     $http.defaults.headers.common['Access-Control-Allow-Headers'] = "Authorization";
})
.config(function($httpProvider) {
    $httpProvider.defaults.useXDomain = true;
})

laravel正在发回相应的标题……

App::after(function($request, $response)
{
    // header('Access-Control-Allow-Origin', '*');
     $response->headers->set('Access-Control-Allow-Origin', '*');
});

所以奇怪的是角度$http无法从服务器返回任何内容并产生此错误:

XMLHttpRequest cannot load http://0.0.0.0:8000/api/test. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:9000' is therefore not allowed access. 

但是jQuery $.get和$.post正常工作!

$.post('http://0.0.0.0:8000/api/test', function(resp){
    console.log(resp);
});

我在这做错了什么?

最佳答案

.config(['$httpProvider', function($httpProvider) {
        $httpProvider.defaults.useXDomain = true;
        delete $httpProvider.defaults.headers.common['X-Requested-With'];
    }
]);

仅将useXDomain设置为true是不够的. AJAX请求也与X-Requested-With标头一起发送,表明它们是AJAX.删除标头是必要的,因此服务器不会拒绝传入的请求.

尝试在filters.php中添加:

App::before(function($request)
{
    if (Request::getMethod() == "OPTIONS") {
        $headers = array(
        'Access-Control-Allow-Methods'=> 'POST, GET, OPTIONS, PUT, DELETE',
        'Access-Control-Allow-Headers'=> 'X-Requested-With, content-type, Authorization',);
        return Response::make('', 200, $headers);
    }
});

它可能在飞行前请求失败

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