[英]Symfony3 Variable does not exist in including template
我收到以下錯誤:變量“文件”不存在。
包含的模板Contractor:file.html.twig如下所示:
{{ dump(file) }}
主模板form.html.twig如下所示:
{% extends '::base.html.twig' %}
{% form_theme form 'NaSoftEdmBundle:Form:fields.html.twig' %}
...
{% block files %}
{% for file in form.files %}
{{ include('NaSoftEdmBundle:Contractor:file.html.twig', {'file': file}) }}
{% endfor %}
{% endblock %}
控制器:
public function editAction(Request $request, Contractor $contractor)
{
...
return $this->render('NaSoftEdmBundle:Contractor:form.html.twig', array(
'form' => $form->createView(),
));
}
但是當我嘗試在主模板文件(form.html.twig)中顯示變量時,變量變為可用:
{% for file in form.files %}
{{ dump(file) }} {# it work! #}
{% endfor %}
ContractorFile {#499 ▼
-id: 154
-uploadedFile: null
-name: "57c6d217d9a92.jpg"
-origName: "1471590585502.jpg"
-path: "/contractor/docs/files/2/335"
-size: 153536
-mimeType: "image/jpeg"
-updateDate: DateTime {#496 ▶}
-contractor: Contractor {#370 ▶}
}
命令php app/console cache:clear
沒有幫助
將變量傳遞給Twig include
命令的正確方法是:
{% include 'NaSoftEdmBundle:Contractor:file.html.twig' with {'file': file} %}
正如@walther在評論中指出的那樣,實際上並不需要傳遞變量,因為包含的模板可以訪問活動上下文的變量,即你可以簡單地寫:
{% include 'NaSoftEdmBundle:Contractor:file.html.twig' %}
並將使用file
變量。
如果要分配新變量,仍然必須使用with
語法,例如
{% include 'NaSoftEdmBundle:Contractor:files.html.twig' with {'files': form.files} %}
問題是我在開始循環之前“for”包含了屬性data-prototype的相同模板:
data-prototype="{% filter escape %}
{% include 'NaSoftEdmBundle: Contractor: file.html.twig' with { '_form':form.files.vars.prototype} %}
{% endfilter %}"
我已經為屬性“data-prototype”創建了新模板並且它有效。
data-prototype="{% filter escape %}
{% include 'NaSoftEdmBundle: Contractor: filePrototype.html.twig' with { 'file':_form.files.vars.prototype} %}
{% endfilter %}"
已實現此操作以自定義模板集合
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