如何查询字符串PARAMS传递给在Laravel4路线 [英] How to pass query string params to routes in Laravel4

问题描述

我写在Laravel 4.我想查询字符串参数传递给我的控制器的API。具体来说，我想允许这样的事情：

I'm writing an api in Laravel 4. I'd like to pass query string parameters to my controllers. Specifically, I want to allow something like this:

api/v1/account?fields=email,acct_type

，其中查询参数是一起有一个签名这样的路由控制器的方法传递：

where the query params are passed along to the routed controller method which has a signature like this:

public function index($cols)

在routes.php文件路线是这样的：

The route in routes.php looks like this:

Route::get('account', 'AccountApiController@index');

我是手动指定我的清晰度和灵活性（所有路由，而不是使用路线::控制器或路线::资源）和我总是路由到一个控制器和控制方法。

I am manually specifying all my routes for clarity and flexibility (rather than using Route::controller or Route::resource) and I am always routing to a controller and method.

我所做的'场'查询字符串元素隔离到一个数组 $ COLS A（全局）的辅助功能，但调用每个控制器ISN的每个方法里面的那个函数T干燥。我怎样才能有效地 $ COLS 变量传递给我所有的路线::获得路线控制器的方法呢？或者更一般地说，我怎么能有效地通过路由（或路由组）控制器方法传递从查询字符串的一个或多个额外的参数？我在考虑使用过滤器，但似乎有点假标签。

I made a (global) helper function that isolates the 'fields' query string element into an array $cols, but calling that function inside every method of every controller isn't DRY. How can I effectively pass the $cols variable to all of my Route::get routes' controller methods? Or, more generally, how can I efficiently pass one or more extra parameters from a query string through a route (or group of routes) to a controller method? I'm thinking about using a filter, but that seems a bit off-label.

推荐答案

您可能会想在你的BaseController来实现这一点。这是可能的解决方案之一：

You might want to implement this in your BaseController. This is one of the possible solutions:

class BaseController extends Controller {

    protected $fields;

    public function __construct(){

        if (Input::has('fields')) {
            $this->fields = Input::get('fields');
        }
    }
}

之后，$领域可能在每艘BaseController孩子航线进行访问：

After that $fields could be accessed in every route which is BaseController child:

class AccountApiController extends \BaseController {

    public function index()
    {
        dd($this->fields);
    }
} 

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