编辑代码

import groovy.json.*
class ReqParam{
    int cardType
    String idcard
    String checkNumber
    int dateType
    Date endDate
    Date startDate
}
def paramConvert(param){
    def json = new JsonSlurper()
    def object = json.parseText(param)
    def reqParam = new ReqParam(cardType:object.identityType,idcard,object.identityNo,
    checkNumber:object.checkCode,dateType:object.dateType,startDate:object.startDate,endDate:object.endDate)
    return JsonOutput.toJson(reqParam)
}