loadrunner中创建唯一随机数

Action()
{
int id, scid;

char *vuser_group,strid[5];

char proposalNo[1024];

int i;

char OrderId[20];

srand(time(NULL));  //特别注意：加上这句，每次取不同的随机值

i=rand()%10;

//	lr_save_datetime("%Y%m%d%H%M%S", DATE_NOW,"now");

lr_save_datetime("%m%d%H%M%S", DATE_NOW,"now");

sprintf(OrderId,"%s%d",lr_eval_string("{now}"),i);

lr_output_message("订单号为：%s",OrderId);

web_save_timestamp_param("tStamp", LAST);

//　　lr_output_message("%s",lr_eval_string("{tStamp}"));

lr_whoami(&id, &vuser_group, &scid);

lr_message( "Group: %s, vuser id: %d, scenario id %d", vuser_group, id, scid);      //将整数转化为字符串

itoa(id,strid,10);      //获得当前的时间戳

web_save_timestamp_param("tStamp",LAST);

strcpy(proposalNo,lr_eval_string("{tStamp}"));

strcat(proposalNo,strid);

return 0;
}