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php - mysqli insert 不工作,没有错误信息,连接成功

转载 作者:行者123 更新时间:2023-11-29 00:38:58 27 4
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我对编码一窍不通。我建立了一个名为 contacts 的 MYSQL 数据库,一个名为 contacttable 的表,其中包含字段 id、名字、姓氏、电子邮件地址、邮政编码和电话号码。每个都是文本或 varchars 除了 id,它是一个 auto_increment,pk 字段。连接不会给出任何错误,并且不会通过 mysqli_connect_error() 方法传递任何错误。他们的查询没有通过,也没有执行任何查询。我想不通为什么。

<html>
<head>
<title>Registration</title>
</head>
<body>

<h1>Register with Us!</h1>

<h2>Registration Complete!</h2>
<div class="feedback-container" <?= isset($_REQUEST["first-name"])? "style=\"display:block\"": "style=\"display:none\""; ?>>
<?php

$firstname = $lastname = $emailaddress = $postalcode = $phonenumber = NULL;

if (isset($_REQUEST["first-name"])){
$firstname = $_REQUEST["first-name"];
$lastname = $_REQUEST["last-name"];
$emailaddress = $_REQUEST["email-address"];
$postalcode = $_REQUEST["postal-code"];
$phonenumber = $_REQUEST["phone-number"];

$dbconn = new mysqli();
$dbconn->connect("localhost","root","","contacts");

if(mysqli_connect_error()){
echo "Connection Failed";
}else{
echo "Connection Established";
}

$query = "INSERT INTO 'contactstable' ('firstname', 'lastname', 'emailaddress','postalcode','phonenumber') VALUES ('$firstname', '$lastname', '$emailaddress', '$postalcode', '$phonenumber')";

if ($dbconn->query($query) == TRUE){
echo ("Thank you for registering with us. We will shortly send a confirmation email to $emailaddress.");
}else{
echo ("<p>Your contact information was not added to our database. Please try again later or contact our webadmin at webadmin@gmail.com</p>");
}

}

?>
</div>
</body>

运行时,输出如下:“连接已建立”“您的联系信息未添加到我们的数据库中。请稍后重试或通过 webadmin@gmail.com 联系我们的网络管理员”没有错误消息。没有数据更新。

最佳答案

我会做这个

  $query = "INSERT INTO 'contactstable' ('firstname', 'lastname', 'emailaddress','postalcode','phonenumber') VALUES ('$firstname', '$lastname', '$emailaddress', '$postalcode', '$phonenumber')"; 

看起来像这样

  $query = "INSERT INTO contactstable (firstname, lastname, emailaddress,postalcode,phonenumber) VALUES ('$firstname', '$lastname', '$emailaddress', '$postalcode', '$phonenumber')"; 

关于php - mysqli insert 不工作,没有错误信息,连接成功,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13132012/

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