laravel
DB::table('tablename')->select(DB::raw('count(key=value or null) as name1 , count(key=value or null) as name2'))->get();
原生SQL
select count(key =value or null) as name1,count(key=value or null) as name2 from tablename
DB::table('tablename')->select(DB::raw('count(key=value or null) as name1 , count(key=value or null) as name2'))->get();
select count(key =value or null) as name1,count(key=value or null) as name2 from tablename