PHP Pdo帮助。。。不能让pdo fetchall为我工作
正在尝试迁移到php pdo。。。有人能告诉我这段代码到底为什么不起作用吗PHP Pdo帮助。。。不能让pdo fetchall为我工作,php,mysql,pdo,Php,Mysql,Pdo,正在尝试迁移到php pdo。。。有人能告诉我这段代码到底为什么不起作用吗 $stmt = $db->prepare("SELECT SUM(aw_score) AS awscoreaw, SUM(hm_score) AS awscoreaw_def FROM nfl_new WHERE away=:away AND date<:date AND Season=:season"); $stmt->bindValue(':away', $row['away'], PDO::PA
$stmt = $db->prepare("SELECT SUM(aw_score) AS awscoreaw, SUM(hm_score) AS awscoreaw_def FROM nfl_new WHERE away=:away AND date<:date AND Season=:season");
$stmt->bindValue(':away', $row['away'], PDO::PARAM_STR);
$stmt->bindValue(':date', $row['date'], PDO::PARAM_STR);
$stmt->bindValue(':season', $row['Season'], PDO::PARAM_STR);
$stmt->execute();
$affected_rows = $stmt->rowCount();
echo $affected_rows.' ';
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
echo $rows['awscoreaw_def'].' '.$row['away'].'<br />';
away不在选择列表中,如果使用fetchAll,则需要迭代结果
$rows = $stmt->fectchAll(PDO::FETCH_ASSOC);
foreach ($rows as $row) {
echo $row awscoreaw['awscoreaw_def'].' '.$row['awscoreaw'].'<br />';
}
结果是什么?没什么?谢谢你。。。这就是问题所在。用fetch替换就可以了。