Groovy删除XMLSlurper中的标记,replaceNode{}不做任何操作
我正在用XMLSlurper(groovy 1.7.4)解析一些XML,我需要删除一个标记(不要使其为空!)。下面是一个示例代码:Groovy删除XMLSlurper中的标记,replaceNode{}不做任何操作,xml,groovy,xmlslurper,Xml,Groovy,Xmlslurper,我正在用XMLSlurper(groovy 1.7.4)解析一些XML,我需要删除一个标记(不要使其为空!)。下面是一个示例代码: import groovy.xml.StreamingMarkupBuilder def CAR_RECORDS = ''' <records> <car name='HSV Maloo' make='Holden' year='2006'> <country>Australia</co
import groovy.xml.StreamingMarkupBuilder
def CAR_RECORDS = '''
<records>
<car name='HSV Maloo' make='Holden' year='2006'>
<country>Australia</country>
<record type='speed'>Production Pickup Truck with speed of 271kph</record>
</car>
<car name='P50' make='Peel' year='1962'>
<country>Isle of Man</country>
<record type='size'>Smallest Street-Legal Car at 99cm wide and 59 kg in weight</record>
</car>
<car name='Royale' make='Bugatti' year='1931'>
<country>France</country>
<record type='price'>Most Valuable Car at $15 million</record>
</car>
</records>
'''
def records = new XmlSlurper().parseText(CAR_RECORDS)
def allRecords = records.car
assert 3 == allRecords.size()
def firstRecord = records.car[0]
assert 'car' == firstRecord.name()
println 'country before: ' + firstRecord.'country'.text()
firstRecord.'country'.replaceNode {}
println 'country after: ' + firstRecord.'country'.text()
在XMLSlurper中,没有firstRecord.remove('country')
我真的很困惑。这是一件显而易见的事情…如果在调用replaceNode后从Slurper打印XML,那么:
import groovy.xml.XmlUtil
// ... your code here, followed by: ...
println XmlUtil.serialize(new StreamingMarkupBuilder().bind {
mkp.yield records
} )
国家/地区节点似乎已消失:
<?xml version="1.0" encoding="UTF-8"?>
<records>
<car name="HSV Maloo" year="2006" make="Holden">
<record type="speed">Production Pickup Truck with speed of 271kph</record>
</car>
<car name="P50" year="1962" make="Peel">
<country>Isle of Man</country>
<record type="size">Smallest Street-Legal Car at 99cm wide and 59 kg in weight</record>
</car>
<car name="Royale" year="1931" make="Bugatti">
<country>France</country>
<record type="price">Most Valuable Car at $15 million</record>
</car>
</records>
速度为271公里/小时的生产皮卡车
马恩岛
最小的街道合法车辆,99厘米宽,59公斤重
法国
价值1500万美元的最有价值汽车
XMLSlurper在需要时才对基础XML进行更改。当XMlSlurper进行必要的更改并输出结果时,可以使用StreamingMarkupBuilder对其进行序列化
<?xml version="1.0" encoding="UTF-8"?>
<records>
<car name="HSV Maloo" year="2006" make="Holden">
<record type="speed">Production Pickup Truck with speed of 271kph</record>
</car>
<car name="P50" year="1962" make="Peel">
<country>Isle of Man</country>
<record type="size">Smallest Street-Legal Car at 99cm wide and 59 kg in weight</record>
</car>
<car name="Royale" year="1931" make="Bugatti">
<country>France</country>
<record type="price">Most Valuable Car at $15 million</record>
</car>
</records>