使用 ui:include 时避免使用多个 DOCTYPE 和 html 标签

发布于 2024-11-30 07:48:23 字数 849 浏览 0 评论 0原文

我们在“主”页面中使用了多个 ui:include 标签。要包含的页面如下所示：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns=".." xmlns:ui="..." ...>
    <ui:fragment rendered="${foo}">
       some html code
    </ui:fragement>
    <ui:fragment rendered="${!foo || bar}">
       some more html code
    </ui:fragement>
</html>

使用 ui:include 进行模板化会导致多次重复 DOCTYPE 和 html 标记源代码，非常丑陋。（当然，用户看不到，但我喜欢整洁的 html）

但是，如果我从未来的代码中删除 DOCTYPE 和 html 标签， included-xhtml 时，Faces Servlet 会引发异常，指出 ui:fragment 的前缀 ui 未绑定。

有谁知道，我如何在没有多个DOCTYPE和html的情况下包含另一个XHTML页面？

原文

we are using several ui:include tags in the "main" page. The page that is to be included looks like this:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns=".." xmlns:ui="..." ...>
    <ui:fragment rendered="${foo}">
       some html code
    </ui:fragement>
    <ui:fragment rendered="${!foo || bar}">
       some more html code
    </ui:fragement>
</html>

Using the ui:include for templating results in repeating the DOCTYPE and html tag several times in the source code, which is pretty ugly. (Sure, the user doesn't see, but I'm a fan of tidy html)

However, if I remove the DOCTYPE and html tag from the to-be-included-xhtml, the Faces Servlet throws an exception stating that the prefix ui for ui:fragment is not bound.

Does anybody know, how I can include another XHTML page without the multiple DOCTYPEs and htmls?

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你与清晨阳光 2024-12-07 07:48:23

您应该查看 ui:composition 标签。
我们还使用 ui:include 来包含 jsf2 页面，并解决您遇到的问题，我相信您可以通过添加 ui:composition 标签来更改包含的页面，如下所示：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns=".." xmlns:ui="..." ...>
    <ui:composition>
    <ui:fragment rendered="${foo}">
       some html code
    </ui:fragement>
    <ui:fragment rendered="${!foo || bar}">
       some more html code
    </ui:fragement>
    </ui:composition>
</html>

You should take a look at the ui:composition tag.
We also use ui:include to include jsf2 pages, and to solve the problem you have I believe you could alter your included page by adding the ui:composition tag as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns=".." xmlns:ui="..." ...>
    <ui:composition>
    <ui:fragment rendered="${foo}">
       some html code
    </ui:fragement>
    <ui:fragment rendered="${!foo || bar}">
       some more html code
    </ui:fragement>
    </ui:composition>
</html>

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