// to read a node from your Response

def grUtils = new com.eviware.soapui.support.GroovyUtils(context)

// depending on when / how your are doing this, you will need to provide the exact test step name

def xmlHolder = grUtils.getXmlHolder("${context.currentStep.name}#Response")

def seatIdNode = xmlHolder.getDomNode("//*:singleSeat[availableForSelection='true']/seatId")

    import groovy.json.JsonSlurper

　　//将response作为一个String

    def xresponse = testRunner.testCase.testSteps["getStepOne"].testRequest.response.contentAsString

    def slurper = new JsonSlurper()  
　　//将这个response的String Parse成为Json

    def re = slurper.parseText(xresponse)

    def num=re.calendar.size()

    def i = testRunner.testCase.testSteps["DataSource"].currentRow  
　　//依次遍历ID

    if(i<num)

    {

    result["cal_id"]=String.valueOf(re.calendar_id.id[i])

    }