Primefaces动态overlayPanel仅显示一次 [英] Primefaces dynamic overlayPanel showing only once

问题描述

我有一个带有按钮的表单，该按钮可打开Primafaces overlayPanel. 面板中还有另一个按钮，该按钮执行Ajax操作，然后关闭覆盖.
这是一个完全没有Ajax操作的简化版本:

I have a form with a button that opens a Primafaces overlayPanel. In the panel there is another button that performs an Ajax action and then closes the overlay.
Here is a simplified version with no Ajax action at all:

<h:form>
    <p:commandButton id="button1" value="Open overlay" type="button"/>
    <p:overlayPanel for="button1" widgetVar="ovl" dynamic="true">
        <p:commandButton value="Close" oncomplete="ovl.hide();"
                         update="@form"/>
    </p:overlayPanel>
</h:form>

请注意，面板必须具有dynamic="true"，因为必须在实际应用程序中获取动态内容，并且需要update="@form"才能更新其他表单组件.

Please note that the panel must have dynamic="true" because dynamic content must be fetched in the real application, and update="@form" is needed in order to update other form components.

问题是:如果我同时拥有两个服装，则dynamic="true"和update="@form"覆盖物只会在第一次出现.单击关闭"按钮后，如果我再次尝试单击打开叠加层"，则该面板将不会显示.

The problem is: if I have both attibutes, dynamic="true" and update="@form" the overlay shows up only the first time. After clicking the "close" button, if I try to click on "open overlay" once more, the panel won't show up.

我做错了什么?

(使用PrimeFaces 3.5和GlassFish 3.1.2.2)

(Using PrimeFaces 3.5 and GlassFish 3.1.2.2)

推荐答案

在下拉overlaypanel的按钮中使用onclick="widgetVar.loadContents()"，其中widgetVar是overlayPanel的变量.

Use onclick="widgetVar.loadContents()" in the button dropping down the overlaypanel, where widgetVar is the var of the overlayPanel.

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