查询语句中存在分组，如何使用变量作为字段名？

cfzd=bmdsmc
select "&cfzd&" from sj group by "&cfzd&" into array wjfl

select &cfzd. from sj group by &cfzd. into array wjfl

试试
cfzd="bmdsmc"
select &cfzd from sj group by 1 into array wjfl

记住了