租约单续租租期接口，日期格式转换，

import java.text.SimpleDateFormat
def checkOutTime = context.expand( '${getLeaseOrderId#ResponseAsXml#//Results[1]/ResultSet[1]/Row[1]/FUN_LEASE_ORDER.CHECK_OUT_TIME[1]}' )
def checkOutTime1 = context.expand( '${getRentPeriod#Response#$.data.checkoutDate}' )

def tenancy = context.expand( '${getRentPeriod#Request#$.tenancy}' )
def t=tenancy .toInteger()
import java.text.SimpleDateFormat;
formatter = new SimpleDateFormat( "yyyy-MM")
String s = checkOutTime
Date date = formatter.parse(s)
//log.info(date)


use (groovy.time.TimeCategory) {
            def someDate = date 
            time = someDate  + t.months
        }
def b = checkOutTime1.substring(0,7)

assert (time.format("yyyy-MM")==b)