JSP:include 未呈现包含的文件

发布于 2024-09-25 13:43:50 字数 2209 浏览 1 评论 0原文

我刚刚创建了一个新的 IceFaces 应用程序，我试图在所有页面中包含一个导航栏。当我使用 jsp:directive.include 标记时，文件被包含，但是当我使用 jsp:include 时，它似乎没有被加载。事实上，当我在浏览器中检查 HTML 源代码时，就像包含的文件完全是空的一样。我不想使用 jsp:directive.include 因为它不会自动显示所包含文件的任何更新。

我的环境：Eclipse 3.5、Tomcat 6、JSF 1.2、IceFaces 1.8。

重现问题和代码片段的步骤：

使用以下选项创建一个新的动态 Web 项目：目标运行时：Apache tomcat v6.0 动态网页模块版本：2.5 配置：ICEfaces 项目

创建一个新的ICEFaces JSPX文件——home文件。一些代码：





    
    
    <头>
    <标题>测试文件
    
    
    <正文>

创建要包含的文件，也作为新的 ICEFaces JSPX 文件。简化代码：

一些评论：

我对 JSF 完全陌生，所以请原谅我的任何明显错误。
在主文件（第一个）中我没有同时使用这两个标签。我将这两个选项粘贴在这里只是为了表明我正在尝试这两个选项。
我将这两个文件创建为“ICEFaces JSPX 文件”，但第二个文件被分配了 .jsp 扩展名。
当我使用directive.include标签时，包含的文件被加载。但如果我更改它，它不会自动重新发布。

原文

I just created a new IceFaces application and I'm trying to include a navigation bar in all of the pages. When I use the jsp:directive.include tag the file is included, but when I use jsp:include it does not seem to be loaded. In fact, when I check the HTML source code in my browser, it's like the included file was completely empty. I do not want to use jsp:directive.include because it will not automatically show any updates to the included file.

My environment: Eclipse 3.5, Tomcat 6, JSF 1.2, IceFaces 1.8.

Steps to reproduce the problem and pieces of code:

create a new Dynamic Web Project with the following options:
Target runtime: Apache tomcat v6.0
Dynamic web module version: 2.5
Configuration: ICEfaces project

create a new ICEFaces JSPX file -- the home file. Some code:

<jsp:directive.page contentType="text/html;charset=ISO-8859-1" />


<f:view >
    <ice:outputDeclaration doctypeRoot="HTML"
        doctypePublic="-//W3C//DTD HTML 4.01 Transitional//EN"
        doctypeSystem="http://www.w3.org/TR/html4/loose.dtd" />
    <html>
    <head>
    <title>test file</title>
    <link rel="stylesheet" type="text/css"
        href="./xmlhttp/css/rime/rime.css" />
    </head>
    <body>
        <jsp:directive.include file="./vertical_navigation.jsp" /> <!-- working -->
        <jsp:include page="./vertical_navigation.jsp" /> <!-- not working, no error though -->
    </body>
    </html>
</f:view>

create the file to be included, also as a new ICEFaces JSPX file. Simplified code:

    <ice:form>
        <ice:panelGrid columns="1" width="152">
        <ice:graphicImage url="./img/image.jpg"></ice:graphicImage>
        <ice:panelCollapsible expanded="true">
            <f:facet name="header">
                <ice:panelGroup>
                    <ice:outputText value="Customer"/>
                </ice:panelGroup>
            </f:facet>
            <ice:panelGrid columns="1">
                <ice:commandLink action="customer"><ice:outputText value="Customer name" /></ice:commandLink>
            </ice:panelGrid>
        </ice:panelCollapsible>
    </ice:panelGrid>
    </ice:form>
    </body>
    </html>
</f:view>

Some remarks:

I'm completely new to JSF, so forgive me for any obvious mistake.
In the home file (the first one) I'm not using both tags at the same time. I pasted both here just to show that I am trying both options.
I created both files as "ICEFaces JSPX file", but the second one was assigned the .jsp extension.
When I use the directive.include tag, the included file is loaded. But if I change it, it's not automatically republished.

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心如狂蝶 2024-10-02 13:43:50

首先，您必须分离和区分几种技术：

JSP 是一种基于 Java 的视图技术，它允许您编写 HTML/CSS/JS 并使用标签库来调用后端 Java 代码和/或控制输出流。
JSPX 与 JSP 相同，但强制您以 XML 格式编写代码。 JSP 特定的标记被 XML 格式的标记替换。 JSPX 也称为“JSP 文档”。这里是一个基本教程，概述了标签之间的差异。< /p>
JSF 是一个基于组件的 MVC 框架，它提供了输出 HTML/CSS/JS 的标签库风格的组件。

您不能在 JSPX 页面中使用。您必须将 JSPX 页面转换为 JSP 页面。您需要将文件 .jspx 重命名为 .jsp 并用 JSP 标记替换 JSPX 特定标记。下面是带有 JSF/IceFaces 的 JSP 启动示例：

<%@ page pageEncoding="ISO-8859-1" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://www.icesoft.com/icefaces/component" prefix="ice"%>
<!DOCTYPE html>
<f:view>
    <html lang="en">
        <head>
            <title>Title</title>
        </head>
        <body>
            <jsp:include page="include.jsp" />
        </body>
    </html>
</f:view>

To start, you have to separate and distinguish several technologies:

JSP is a Java based view technology which allows you to write HTML/CSS/JS in and use taglibs to call backend Java code and/or control the output flow.
JSPX is the same as JSP, but forces you to write code in XML format. JSP-specific tags are replaced by tags in XML format. JSPX is also called "JSP Document". Here is a basic tutorial which outlines the differences in tags.
JSF is a component based MVC framework which provides components in flavor of taglibs which outputs HTML/CSS/JS.

You cannot use <jsp:include> in a JSPX page. You have to transform the JSPX page into a JSP page. You need to rename the file .jspx to .jsp and replace JSPX specific tags by JSP tags. Here's a kickoff example for JSP with JSF/IceFaces:

<%@ page pageEncoding="ISO-8859-1" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://www.icesoft.com/icefaces/component" prefix="ice"%>
<!DOCTYPE html>
<f:view>
    <html lang="en">
        <head>
            <title>Title</title>
        </head>
        <body>
            <jsp:include page="include.jsp" />
        </body>
    </html>
</f:view>

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