Magento 2管理表单显示空白页



我正在构建一个后端页面以在数据库中创建项目。 我的管理表单页面会显示,但仅在下面显示标题。没有表单元素,这是代码:

这是代码 供应商\事件\控制器\管理员html\Post\Addevent

namespace VendorEventsControllerAdminhtmlPost;

class Addevent extends MagentoBackendAppAction
{
    protected $resultPageFactory = false;
    public function __construct(
        MagentoBackendAppActionContext $context,
        MagentoFrameworkViewResultPageFactory $resultPageFactory
)
{
    parent::__construct($context);
    $this->resultPageFactory = $resultPageFactory;
}
public function execute()
{
    $resultPage = $this->resultPageFactory->create();
    $resultPage->getConfig()->getTitle()->prepend((__('Vendor Create an Event')));
    return $resultPage;
}

}

View/Adminhtml/layout/vendor_events_addevent.xml

 <page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
    <referenceContainer name="content">
        <uiComponent name="vendor_events_addevent_listing"/>
    </referenceContainer>
</body>

View/Adminhtml/ui_component/vendor_events_addevent_listing.xml

 <?xml version="1.0" encoding="UTF-8"?>
<form xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
    <argument name="data" xsi:type="array">
        <item name="js_config" xsi:type="array">
           <item name="provider" xsi:type="string">vendor_events.vendor_events_listing_data_source</item>
        <item name="deps" xsi:type="string">vendor_events.vendor_events_listing_data_source</item>
    </item>
    <item name="label" xsi:type="string" translate="true">Employee Information</item>
    <item name="config" xsi:type="array">
        <item name="dataScope" xsi:type="string">data</item>
        <item name="namespace" xsi:type="string">employee_form</item>
    </item>
    <item name="template" xsi:type="string">templates/form/collapsible</item>
</argument>
<dataSource name="employee_form_data_source">
    <argument name="dataProvider" xsi:type="configurableObject">
        <argument name="class" xsi:type="string">MagentoFrameworkViewElementUiComponentDataProviderDataProvider</argument>
        <argument name="name" xsi:type="string">woodmizer_events_listing_data_source</argument>
        <argument name="primaryFieldName" xsi:type="string">pri_id</argument>
        <argument name="requestFieldName" xsi:type="string">pri_id</argument>
    </argument>
    <argument name="data" xsi:type="array">
        <item name="js_config" xsi:type="array">
            <item name="component" xsi:type="string">Magento_Ui/js/form/provider</item>
        </item>
    </argument>
</dataSource>
<fieldset name="employee_details">
    <argument name="data" xsi:type="array">
        <item name="config" xsi:type="array">
            <item name="collapsible" xsi:type="boolean">true</item>
            <item name="label" xsi:type="string" translate="true">Employee Details</item>
            <item name="sortOrder" xsi:type="number">20</item>
        </item>
    </argument>
    <field name="employee_id">
        <argument name="data" xsi:type="array">
            <item name="config" xsi:type="array">
                <item name="dataType" xsi:type="string">text</item>
                <item name="label" xsi:type="string" translate="true">Employee Id</item>
                <item name="formElement" xsi:type="string">input</item>
                <item name="source" xsi:type="string">employee</item>
                <item name="dataScope" xsi:type="string">employee_id</item>
            </item>
        </argument>
    </field>
</fieldset>

您的文件名错误。您的控制器VendorEventsControllerAdminhtmlPostAddevent,在etc/adminhtml文件夹中,您应该有一个routes.xml,告诉Magento模块资源的位置。

当Magento为这些页面创建URL时,它会查找<route>/<folder>/<file>在您的情况下是<whatever your route is>/post/addevent 。您的布局需要命名为 <whatever your route is>_post_addevent.xml 并且 UI 组件<whatever your route is>_addevent_listing.xml 。您需要相应地替换<whatever your route is>。然后,只要您的模型和 di.xml 是它们应该的样子,(我假设它们是(。然后,您可以重新运行主要的Magento命令,并且应该有一个可以在管理员中查看的页面。

Magento命令明智,为了安全起见,我通常会使用setup:upgradesetup:di:compile。请确保更新布局文件中的路径,使其与用于 UI 组件的路径匹配。

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