怎么做:
$user1_rating=0;
$user2_rating=0;
$user3_rating=0;
$user4_rating=0;
$user5_rating=0;
$user6_rating=0;
$user7_rating=0;
$user8_rating=0;
$user9_rating=0;
$user10_rating=0;
自动使用php(我会在while循环中使用它),而不是$ username == $ row ['username']与之前$ row ['username']相同？