带参数的Java中的XSL转换 [英] XSL Transformation in Java with parameters
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问题描述
我有一个xsl文件,我需要使用外部源的参数。我正在使用Java,我的代码如下所示:
I have a xsl file where i need to use parameters from an external source. I am using Java and my code looks something like this:
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer xsltTransformer = transformerFactory.newTransformer(xsltSource);
xsltTransformer.setParameter(parameterName, parameterValue);
但是,第二行会抛出异常 - 变量或参数'variable_name'是未定义。我意识到XSL已编译,可能在创建转换器时编译。
However, an exception is thrown at the 2nd line - Variable or parameter 'variable_name' is undefined. I realize that XSL is compiled and is probably compiled when the transformer is created.
那么,如何将参数传递给我的转换?应该如何使用setParameter方法?
So, how do i pass parameters to my transformation? How is the setParameter method supposed to be used?
推荐答案
如果传递的参数如下:
transformer.setParameter("render_id", "1234");
参数可以通过变换获取:
the parameter can be picked up by the transform:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >
<xsl:output method="xml" encoding="UTF-8" omit-xml-declaration="yes"/>
<!-- Receives the id of the menu being rendered. -->
<xsl:param name="render_id" />
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