php - 将参数绑定(bind)到 PDO 语句时遇到问题

Question

我遇到了一个奇怪的问题，我只是找不到解决方案。问题是准备好的 sql 语句没有绑定(bind)值、参数，甚至没有通过 execute 函数传递它们。相反，它会插入“:blah”占位符。正如我所说，我已经尝试了 bindParam、bindValue 和这种方法，但都没有结果。不过，我现在会再试一次。

我在执行调用之前输出了正在发送的参数。

Array ( [:username] => schenn [:salt] => NW5552wekj5155cNr52O54q56 [:hashpass] => 5e54240aec6294873d11d6ac3e5b135136a1b671 [:email] => monkey@monkey.com [:state] => OR [:country] => USA [:last_login] => 12/08/2011 ) 

代码如下:

$query = "INSERT INTO player_acct (username, salt, hashpass, email, state, country, last_login)
                VALUES (':username', ':salt', ':hashpass', ':email', ':state', ':country', ':last_login')";
$stmt = $pdoI->prepare($query);
$params = array(":username" => $this->username, ":salt" => $this->salt, ":hashpass" => $this->hashpass,
                        ":email" => $this->email, ":state" => $this->state, ":country" => $this->country, ":last_login" => $this->last_login );
$stmt->execute($params);

Answer 1

您不应该在 SQL 中引用占位符。尝试以下作为您的 SQL 字符串:

$query = "INSERT INTO player_acct (username, salt, hashpass, email, state, country,  
          last_login) VALUES (:username, :salt, :hashpass, :email, :state, :country, :last_login)";