[英]Passing variable from render array in Controller to javascript in twig
I want to pass $reservationData to the twig template so I can use it in javascript.我想将 $reservationData 传递给树枝模板,以便我可以在 javascript 中使用它。
Here is my Controller:这是我的控制器:
class MovieReservation extends ControllerBase{
public function page(){
return [
'#reservation' => $reservationData,
];
}
I need it in javascript functions so I can populate it with the informations I want.我在 javascript 函数中需要它,这样我就可以用我想要的信息填充它。
How can I do that?我怎样才能做到这一点? Thanks in advance
提前致谢
You have to pass data into drupalSettings object :您必须将数据传递给 drupalSettings 对象:
class MovieReservation extends ControllerBase{
public function page(){
return [
'#reservation' => $reservationData,// it's for twig template
'#attached' => [
'drupalSettings' => [
'reservation' => $reservationData, // it's for javascript file
]
]
];
}
And into your javascript file :并进入您的 javascript 文件:
drupalSettings.reservation
Note : You can add javascript file via libraries.yml file注意:您可以通过libraries.yml 文件添加javascript 文件
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