更新时间2019-09-18 18:33:58
String sql1="select x.Xid,x.Xname,x.Xmess,x.Xphone,c.Cname,c.Cmess,c.Cphone,r.name,r.sex,r.id,r.Education,r.phone,r.holder from xianbiao as x,cunbiao as c,renkou as r where x.Xid=c.Xid and c.Cid=r.Cid and x.SGid='"+c+"';";
若结果只有表头,说明你的表中没有符合你条件的数据