编辑代码

import groovy.json.*
class ReqParam{
    String checkNumber
    String arrangeDate
    int combinationItemId
}
def paramConvert(param){
    def json = new JsonSlurper()
    println param;
    def object = json.parseText(param)
    def checkNumber = null
    def arrangeDate = null
    def USER_ID = object.USER_ID
    def ORDER_DATE = object.ORDER_DATE
    if(USER_ID != null || USER_ID != ''){
        checkNumber = USER_ID
    }
    if(ORDER_DATE != null || ORDER_DATE != ''){
        arrangeDate = ORDER_DATE.substring(0,4)+'-'+ORDER_DATE.substring(4,6)+'-'+ORDER_DATE.substring(6,8)
    }
    def reqParam = new ReqParam(checkNumber:checkNumber,arrangeDate:arrangeDate,
    combinationItemId:1)
    return JsonOutput.toJson(reqParam)
}