本文介绍了警告:PDOStatement :: execute():SQLSTATE [HY093]:无效的参数号的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我在使用pdo进行选择语句时出现错误,并且我不理解为什么会发生这种情况.
Im having an error with select statment using pdo, and Im not understanding the reason why this is happening.
您在这里看到错了吗?
我遇到此错误:
$delId = $_GET['delid'];
$thumb = $_GET['thumb'];
$folder = '../uploads/';
$readGallery = $pdo->prepare("SELECT * FROM gallery WHERE news_id = ?");
$readGallery->bindParam(':news_id', $delId);
$readGallery->execute();
$numGallery = $readGallery->rowCount();
推荐答案
更改
$readGallery = $pdo->prepare("SELECT * FROM gallery WHERE news_id = ?");
到
$readGallery = $pdo->prepare("SELECT * FROM gallery WHERE news_id = :news_id");
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