使用java从生成的xml文档中删除xml声明 [英] remove xml declaration from the generated xml document using java

问题描述

String root = "RdbTunnels";
DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
Document document = documentBuilder.newDocument();
Element rootElement = document.createElement(root);
document.appendChild(rootElement);   

OutputFormat format = new OutputFormat(document);
format.setIndenting(true);


XMLSerializer serializer = new XMLSerializer(System.out, format);
serializer.serialize(document);

给出如下结果

<?xml version="1.0" encoding="UTF-8"?>
<RdbTunnels/>

但是我需要从输出中删除xml声明我该怎么做

but I need to remove the xml declaration from the output how can I do that

推荐答案

你见过 OutputKeys /transform/Transformer.html#setOutputProperty%28java.lang.String,%20java.lang.String%29rel =noreferrer> Transformer ？具体来说， OMIT_XML_DECLARATION 。

Have you seen OutputKeys as used by Transformer? Specifically OMIT_XML_DECLARATION.

请注意，删除标题在XML 1.0中有效，但丢失了字符编码数据（以及其他内容），这些数据非常重要。

Note that removing the header is valid in XML 1.0, but you lose character encoding data (amongst other things) which can be very important.

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