使用 Revel 框架，是否可以根據(jù) ViewArg 的值選擇模板？我定義了一個(gè)基本控制器，它提供了一種在views/Layout.html中呈現(xiàn)內(nèi)容的方法type Controller struct { *revel.Controller}func(c *Controller) RenderView(view string, extraViewArgs ...interface{}) revel.Result { // ... omitted source c.ViewArgs["ContentTemplateName"] = view return c.RenderTemplate("layout.html")}實(shí)現(xiàn)它的示例控制器如下type MyController struct { Controller}func (c MyController) Index() revel.Result { bananas := "This is bananas" return c.RenderView("App/Bananas.html", bananas)}然后我嘗試在 layout.html 中呈現(xiàn)“App/Bananas.html”{{set . "title" "Home"}}{{template "header.html" .}}<div class="container"> <div class="row"> {{template "flash.html" .}} </div> <!-- Left column of Content --> <div class="col-md-9 col-sm-8 col-xs-12"> {{template .ContentTemplateName .}} </div> <!-- //Left Column of Content --> <!-- Right column of summary --> <div class="col-md-3 col-sm-4 hidden-xs"> <div class="container"> {{template "sidebar.html" .}} </div> </div> <!-- //Right column of summary --></div>{{template "footer.html" .}}這將輸出以下結(jié)果ERROR 2018/08/31 17:46:10 template.go:338: Template compilation error (In layout.html around line 10):unexpected ".ContentTe"... in template clauseERROR 2018/08/31 17:46:10 server.go:99: Template Compilation Error (in layout.html:10): unexpected ".ContentTe"... in template clause
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Qyouu
TA貢獻(xiàn)1786條經(jīng)驗(yàn) 獲得超11個(gè)贊
作為解決此問(wèn)題以更接近所需功能的解決方法，我實(shí)施了以下（不太理想）解決方案：
base_content_view.html
{{template "begin_content.html" . }}
? <!-- content here -->
{{template "end_content.html" . }}
begin_content.html
{{template "header.html" . }}
<div class="container">
? <div class="row">
? ? {{template "flash.html" .}}
? </div>
? ? <!-- Left column of Content -->
? <div class="col-md-9 col-sm-8 col-xs-12">? ??
end_content.html
? </div>
? <!-- //Left Column of Content -->
? <!-- Right column of summary -->
? <div class="col-md-3 col-sm-4 hidden-xs">
? ? <div class="container">
? ? ? {{template "sidebar.html" .}}
? ? </div>
? </div>
? <!-- //Right column of summary -->
{{template "footer.html" .}}
base_content_view.html 是一個(gè)靜態(tài)文件，在創(chuàng)建新視圖時(shí)將其復(fù)制粘貼為模板。此設(shè)計(jì)確實(shí)會(huì)引發(fā)其他問(wèn)題，但可作為功能限制的示例解決方法template。
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