sql

1.
$whe_s=array();$whe_s['is_delete']=0;
$student_list = Db::name('learn_wei')-> field( 'name, academe, zbname, Count(*) cou')-> where($whe_s)->
where($condition2)->
group('name,academe,zbname')->
select();
2.
SELECT name, academe, zbname, Count(*) cou FROM tp_learn_wei GROUP BY name, academe,zbname;where is_learn =1 and is_delete = 0