Liferay动态数据列表:如何获取图像URL? [英] Liferay Dynamic Data Lists: How to get image URL?

问题描述

我正在为动态数据列表快速创建一个自定义模板，我想获取所选图像的图像URL.我怎么能得到它?

I am creating a custom template in velocity for a Dynamic Data Lists and I want to get the image URL for the selected image. How can I get it?

代码是:

#set ( $DDLRecordService =  $serviceLocator.findService("com.liferay.portlet.dynamicdatalists.service.DDLRecordLocalService") )
#set ( $records = $DDLRecordService.getRecords($mathTool.toNumber($reserved_record_set_id)) )

#foreach ($record in $records)
    #set( $fields = $record.getFields() )
    #set( $URL = $fields.get("URL").getValue() )
    #set( $Link = $fields.get("Linktitle").getValue() )
    #set( $Preview = $fields.get("Vorschaubild").getValue() ) ##the image is here

    $URL
    $Link
    $Preview
#end

$preview输出为:{"groupId":"0000000","uuid":"ccdaccec-00a0-4284-a000-589be48‌​99281","version":"1.‌​0"}

有什么建议吗?

推荐答案

我也遇到过类似情况，并且在互联网上搜索了一个小时之后，除了

I also came across similar situation and after searching on the internet for hour(s), didn't find any useful information apart from LPS-34792 ticket.

好吧，您可以使用以下方法从文档和媒体"字段在UI上呈现图像:

Well, you can render image on the UI from a Documents and Media field using:

<#assign hasPicture = cur_record.getFieldValue("picture")?has_content>

<#if hasPicture>
    <#assign picture = jsonFactoryUtil.createJSONObject(cur_record.getFieldValue("picture"))>
    <img src='/documents/${picture.getString("groupId")}/${picture.getString("uuid")}' />
</#if>

其中picture是字段名称，hasPicture将检查是否选择了图像.

Where picture is the name of field and hasPicture will check if the image was selected.

这篇关于Liferay动态数据列表:如何获取图像URL?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！