Silverstripe 3 - 为什么数据没有传递给模板

时间:2012-09-16 22:33:03

标签: silverstripe

我正在尝试使用YouTube小部件,但似乎在Silverstripe 3中存在问题,并且它没有将DataObjectSet传递给模板,因此,我无法将数据传递给模板。所有值都在CMS中正确显示,它们仅在模板中未传递,因此它似乎是SS3中DataObjectSet的问题。我搜索得非常广泛,但在SS3中找不到它的弃用。

class YoutubeWidget extends Widget{
    static $title = "My favorite video";
    static $cmsTitle = "Your tube widget";
    static $description = "This widget can embed clips from youtube.com";

    static $db = array(
        "Width" => "Int",
        "Height" => "Int",
        "URL" => "Text",
        "Title" => "Text"
    );

    static $defaults = array(
        "Width" => 283,
        "Height" => 182
    );

    function getCMSFields(){
        return new FieldList(
            new NumericField("Width", "Video Width"),
            new NumericField("Height", "Video Height"),
            new TextField("URL", "Video URL"),
            new TextField("Title","Title or a note about this video")
        );
    }

    function GetVideoData(){
        $output = new DataObjectSet();
        $output->push(
            new ArrayData(
                array(
                    "Width" => $this->Width,
                    "Height" => $this->Height,
                    "URL" => $this->URL,
                    "Title" => $this->Title
                )
            )
        );      
        return $output;
    }
}

模板中没有填充任何变量。

<% control GetVideoData %>
    <object width="$Width" height="$Height">
        <param name="movie" value="$URL"></param>
        <param name="allowFullScreen" value="true"></param>
        <embed src="$URL" type="application/x-shockwave-flash" allowfullscreen="true" width="$Width" height="$Height"></embed>
    </object>

    <p style="text-align:center;">$Title</p>
<% end_control %>

如果我将控件包装在&lt;%if GetVideoData%&gt;它不访问控件,表示没有返回任何内容,即使我更改GetVideoData函数只是返回一个字符串,也会发生这种情况。即return "asdf";

2 个答案:

答案 0 :(得分:2)

这是由于SS3的变化。我只需要放弃&#34;得到&#34;来自模板中的控制调用;

<% if VideoData %>
    <% control VideoData %>
    <% end_control %>
<% end_if %>

答案 1 :(得分:2)

SS3现在将使用<% loop VideoData %><% with VideoData %>代替<% control VideoData %>