// 添加數據 返回bool值// $bool = DB::insert('insert into student(name,age) values(?,?)',['imooc',19]);// var_dump($bool);// 更新數據// $num = DB::update('update student set age = ? where name = ?',[20,'sean']);// var_dump($num);// 查詢數據// $students = DB::select('select * from student where id > ?',[1001]);// dd($students);// 刪除數據$num = DB::delete('delete from student where id > ?',[1001]);var_dump($num);