编辑代码

import groovy.util.*
import groovy.json.*
def paramConvert(object){
    def jsonSlurper = new JsonSlurper()
    assert object.billingCode[0] = object.billingCode[0].substring(0,3) == '088' : '获取申请单失败：请求前缀不一致！'
    object.billingCode[0] = object.billingCode[0].substring(3, object.billingCode[0].length())
    return object
}