Loadrunner在post请求的cookie中插入其它多个值

有一个商城，提交订单的时候，需要在post请求的cookie中set一个code码，便于防刷

 tijiao()
 {

     lr_think_time();

     web_reg_save_param("validcode",
         "LB=validcode=",
         "RB=;",
         "Search=All",
         LAST);

     web_submit_data("toSubmitOrderAjax.jsp",
         "Action=http://v2.pconline.com.cn:8005//toSubmitOrderAjax.jsp?_time=1472717987749",
         "Method=POST",
         "RecContentType=text/html",
         "Referer=http://v2.pconline.com.cn:8005//order.jsp",
         "Snapshot=t279.inf",
         "Mode=HTTP",
         ITEMDATA,
         "Name=userAddressId", "Value=21", ENDITEM,
         "Name=goodsId", "Value=29262", ENDITEM,
         "Name=specsId", "Value=90", ENDITEM,
         "Name=count", "Value=1", ENDITEM,
         LAST);

      lr_output_message("# 响应头信息：\n %s",lr_eval_string("{validcode}"));

      web_add_cookie("hyhphone=13610262187; DOMAIN=v2.pconline.com.cn");

     web_add_cookie("hyhuserkey={userkey}; DOMAIN=v2.pconline.com.cn");

     web_add_cookie("validcode={validcode}; DOMAIN=v2.pconline.com.cn");

     web_submit_data("submitOrder.jsp",
         "Action=http://v2.pconline.com.cn:8005//submitOrder.jsp",
         "Method=POST",
         "RecContentType=text/html",
         "Referer=http://v2.pconline.com.cn:8005//order.jsp",
         "Snapshot=t280.inf",
         "Mode=HTTP",
         ITEMDATA,
         "Name=count", "Value=1", ENDITEM,
         "Name=goodsId", "Value=29262", ENDITEM,
         "Name=specsId", "Value=90", ENDITEM,
         "Name=userAddressId", "Value=21", ENDITEM,
         "Name=payType", "Value=alipay", ENDITEM,
         "Name=comment", "Value=", ENDITEM,
         LAST);

     return ;
 }