方法（1）
def groovyUtils = new com.eviware.soapui.support.GroovyUtils( context )
def response = context.expand( '${0006_001_006#Response}' )
def holder = groovyUtils.getXmlHolder(response )
def tradeDetails = holder.getNodeValue("http://ebill[1]/tradeDetails[1]")
import groovy.json.JsonSlurper
def slurper = new JsonSlurper()
def re = slurper.parseText(tradeDetails)
def result=re.tradeNo
方法(2)
import groovy.json.JsonSlurper
def tradeDetails = context.expand( '${0006_001_006#Response#//ebill[1]/tradeDetails[1]}' )
def slurper = new JsonSlurper()
def re = slurper.parseText(tradeDetails)
def result=re.tradeNo
