我正在使用Liferay 7.0 ga3,並且想要使用web內容的結構/模板(freemarker)製作輪播(bootstarp)。 該結構允許在我的傳送帶中顯示多個Web內容。但在我的模板cur_WebContent.getData()顯示的className和的WebContent的ID: 「remove_ending」將Web內容顯示到Web內容模板中
{"className":"com.liferay.journal.model.JournalArticle","classPK":"42553"}
於是我就用 「?keep_after」,並獲得只有我的ID:
<#assign journalArticleLocalService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService")>
<#assign web_content_id= cur_WebContent.getData()?keep_after("classPK\":\"")?remove_ending("\"}") >
<#assign cur_articleID = journalArticleLocalService.fetchArticle(groupId, web_content_id)>
${journalArticleLocalService.getArticleContent(cur_articleID, cur_articleID.getDDMTemplateKey(), "VIEW", locale, themeDisplay)}
我可以顯示在我的旋轉木馬一樣$ {} web_content_id此信息,但如果我在fetchArticle使用這個(的groupId,條款ArticleID),這是行不通的:
FreeMarker template error:
The following has evaluated to null or missing:
==> journalArticleLocalService.fetchArticle(groupId, web_content_id) [in template "20116#20160#47034" at line 7, column 30]
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Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
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FTL stack trace ("~" means nesting-related):
- Failed at: #assign cur_articleID = journalArticl... [in template "20116#20160#47034" at line 7, column 5]
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有什麼想法? 感謝
classPK是不同的ID的web內容的... –