jmeter的groovy脚本

import org.apache.commons.lang3.time.DateFormatUtils;
import com.trunkbow.comm.service.Signature;
import com.trunkbow.comm.service.impl.XmlSignature;
def messageId=UUID.randomUUID().toString();
def bodyId=UUID.randomUUID().toString();
def now1=DateFormatUtils.format(new Date(), "yyyyMMdd HH:mm:ss");
def now2=DateFormatUtils.format(new Date(), "yyyyMMddHHmmss");
Signature sign=new XmlSignature();
def message="""
<Finance>
<Message id=\"${messageId}\">
<CPReq id=\"CPReq\">
<version>6.0.1</version>
<instId>12345</instId>
<certId>13389743053847134210</certId>
<serialNo>${now2}${__Random(10000,99999,)}</serialNo>
<date>${now1}</date>
<accountName></accountName>
<bankCardNo>${cardNo}</bankCardNo>
<bankCardType>C</bankCardType>
<bankCardAreaCode></bankCardAreaCode>
<certType></certType>
<certNo></certNo>
<mobilePhone></mobilePhone>
<charge></charge>
<amount>1</amount>
<useCode>K00</useCode>
<currency>156</currency>
<limitType></limitType>
<remark></remark>
<sellerName></sellerName>
<installmentCount></installmentCount>
<originalAmount></originalAmount>
<expiryDate></expiryDate>
<cvv2></cvv2>
<channelSystemId>0000</channelSystemId>
</CPReq>
</Message>
</Finance>
""";
def signedMessage;
signedMessage=sign.sign(message,"CPReq");
vars.put("message",signedMessage);