sql="select * from zc where nl like'%"+request.form("nl")+"%' and xb like '%"+request.form("xb")+"%' and hyzk like '%"+request.form("hyzk")+"%' and gcqk like'%"+request.form("gcqk")+"%' and gf like'%"+request.form("gf")+"%' and yj like '%"+request.form("yj")+"%'"