我将XML转换为JSON,这是链接:https://api.myjson.com/bins/us5f4
我使用了很多CakePHP 3.30以及Collection的功能。我需要做的是只提取一些数据,例如标签@INDICATOR和@TIME_PERIOD。
我已经尝试在集合中使用nest,filter,append,map,但由于某种原因,它们都不起作用。
这是我的控制器:
<?php
namespace App\Controller;
use App\Controller\AppController;
use Cake\Collection\Collection;
use Cake\ORM\TableRegistry;
use Cake\Utility\Xml;
class BalancesFiscalesController extends AppController
{public function balancesDatos2(){
$xmlArray = Xml::toArray(Xml::build('webroot/e-ggds/BalanceFiscalGC.xml'));
$collection = new Collection($xmlArray);
$collection->nest('@INDICATOR', '[]')->toList(); //I tried with the parent "Series" still same problem. It returns me the whole JSON instead of what I need. I also tried filter, map, append, no luck.
//Gobierno Central
$response = [
'gob_central' =>[
'titulos' =>[
$collection
]
]
];
$this->set([
'data' => $response,
'_serialize' => ['data']
]);
}
}
要从集合中提取字段,您需要使用extract
函数。假设它全部在[data][gob_central][titulos][0][StructureSpecificData][message:DataSet][Series]
键下,它可能看起来像这样:
$series = $xmlArray['data']['gob_central']['titulos'][0]['StructureSpecificData']['message:DataSet']['Series'];
$data = collection($series)->extract('@INDICATOR')->toArray();
如果titulos
键中可能有多个项目,那么可能更像这样:
$titulos = $xmlArray['data']['gob_central']['titulos'];
$data = collection($titulos)->extract('StructureSpecificData.message:DataSet.Series.{*}.@INDICATOR')->toArray();