[英]Laravel 5 Calling a class within a controller
先决条件:Laravel 5是我多年来使用的自定义框架之外的第一个框架。 我仍在围绕这些概念,但大部分都在那里。 我可以进行页面调用,授权检查,表单提交和数据库查询。
问题:过去,我将创建一个新类“ Access”,并在需要的地方调用所需的函数:
$access = Access::getAccessByAccount($accountID);
我希望以某种方式在laravel中执行相同的操作,并能够从控制器内调用此公共函数。我只是不知道如何调用它以及在哪里实际存储该函数。
这是我要调用的函数的示例:
public function getAccessByAccount($accountID){
//Grab all access rights set to given account ID
$accessList = DB::table('element_access')
->join('element', 'element.id', '=', 'element_access.element_id')
->select('element.name as element', 'element_access.permission as permission')
->where('element_access.account_id', $accountID)
->get();
//Return $access[element] = permission list or false if no access rights are assigned to account ID
if(is_array($accessList)){
$access = array();
foreach($accessList as $item){
$access[$item->element] = $item->permission;
}
return $access;
}else{
return false;
}
}
这是我想以某种方式能够在控制器中调用的方式:
<?php namespace App\Http\Controllers\Portal\Admin;
use App\Http\Controllers\Controller;
class AdminController extends Controller {
public function showAdminDashboard(){
$access = Access::getAccessByAccount(Auth::id());
if($access['admin-dashboard'] == 'r'){
return view('portal.admin.dashboard');
}
}
}
编辑:
这是我在已检查的解决方案的帮助下想到的解决方案。
创建新文件:app \\ Library \\ Access.php
<?php namespace App\Library;
use DB;
class Access{
public function getElementAccessByAccount($accountID){
//Grab all access rights set to given account ID
return DB::table('element_access')
->join('element', 'element.id', '=', 'element_access.element_id')
->select('element.name as element', 'element_access.permission as permission')
->where('element_access.account_id', $accountID)
->get();
}
}
调用函数:
$access = new \App\Library\Access;
$accessList = $access->getElementAccessByAccount(Auth::id());
如果我不知所措,我会将所有自定义功能类存储到app/services
目录。
存取等级
<?php namespace App\Services;
class Access
{
public static function getAccessByAccount($accountID) {
//Grab all access rights set to given account ID
$accessList = \DB::table('element_access')
->join('element', 'element.id', '=', 'element_access.element_id')
->select('element.name as element', 'element_access.permission as permission')
->where('element_access.account_id', $accountID)
->get();
//Return $access[element] = permission list or false if no access rights are assigned to account ID
if (is_array($accessList)) {
$access = array();
foreach($accessList as $item){
$access[$item['element']] = $item['permission'];
}
return $access;
} else{
return false;
}
}
}
控制者
<?php namespace App\Http\Controllers\Portal\Admin;
use App\Http\Controllers\Controller;
class AdminController extends Controller
{
public function showAdminDashboard() {
$access = \App\Services\Access::getAccessByAccount(\Auth::id());
if($access['admin-dashboard'] == 'r') {
return view('portal.admin.dashboard');
}
}
}
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