如何使用Groovy添加XML属性？

Question

我需要在Groovy中将@属性添加到XML片段的根元素中。我想使用XmlSlurper。怎么做？添加元素很容易。

Answer 1

在Groovy控制台中运行它以验证它是否正常工作

import groovy.xml.StreamingMarkupBuilder

// the original XML
def input = "<foo><bar></bar></foo>"

// add attributeName="attributeValue" to the root
def root = new XmlSlurper().parseText(input)
root.@attributeName = 'attributeValue'

// get the modified XML and check that it worked
def outputBuilder = new StreamingMarkupBuilder()
String updatedXml = outputBuilder.bind{ mkp.yield root }

assert "<foo attributeName='attributeValue'><bar></bar></foo>" == updatedXml

Answer 2

添加属性与读取属性相同：

import groovy.xml.StreamingMarkupBuilder

def input = '''
<thing>
    <more>
    </more>
</thing>'''

def root = new XmlSlurper().parseText(input)

root.@stuff = 'new'

def outputBuilder = new StreamingMarkupBuilder()
String result = outputBuilder.bind{ mkp.yield root }

println result

会给你：

<thing stuff='new'><more></more></thing>