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这是我网站的代码。它旨在注册新用户,只有登录的管理员才能执行此操作。该帐户已成功创建,但它似乎没有为 mysqli_num_rows 返回 1。我打印了 num_rows 返回的值,但没有任何结果,甚至没有 0。我已经为此工作了好几天,我对 php 编码非常陌生,所以这可能是一个明显的错误,但我看不到它。任何帮助将不胜感激。我有搜索谷歌,但找不到任何东西。

if($_SERVER['REQUEST_METHOD']=="POST"){
    $name = mysqli_real_escape_string($_POST['fname']);
    $email = mysqli_real_escape_string($_POST['email']);
    $user = mysqli_real_escape_string($_POST['user']);
    $pass = mysqli_real_escape_string(md5($_POST['password']));
    $authority = mysqli_real_escape_string($_POST['use']);

    $queryCheck = "SELECT `user` FROM `user` WHERE `user`='$user';";
    $resultCheck = mysqli_query($link, $queryCheck);
    $rowCheck = mysqli_num_rows($resultCheck);
    if($rowCheck != 1){
    $query = "INSERT INTO `user` (`id`, `name`, `email`,`user`,`pass`) VALUES ($authority,'$name','$email','$user','$pass');";

    //echo $query;

    $result = mysqli_query($link, $query);
    $row = mysqli_affected_rows($result);

    if($row == 1){
        echo "User Created Successfully!<br/>";
        echo '<br/><br/><br/><a href="admin.php">Return to Administration Page</a>';

    }else{
        echo "User was not created, Please try again.";
    }
    }else{
        echo 'User already exists.';
    }
}
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1 回答 1

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我发现你必须使用 mysqli_affected_rows 作为 mysql 中的插入短语。

于 2012-12-11T17:28:58.203 回答