Question

我已经开始学习php了，我坚持使用php中的“输入”。我即将建立一个注册。

这是我的“输入”代码（signup.php）的引用：

    <?php
    include_once 'header.php'
    ?>

    <section class="main-container">
        <div class="main-wrapper">
            <h2>Sign up</h2>
            <form class="signup-form" action="includes/signup.inc.php" method="POST">
                <input type="text" name="first" placeholder="First Name">
                <input type="text" name="last" placeholder="Last Name">
                <input type="text" name="e-mail" placeholder="e-mail">
                <input type="text" name="uid" placeholder="Username">
                <input type="password" name="pwd" placeholder="Password">
                <button type="submit" name="submit">
                    Sign up
                </button>
            </form>
        </div>
    </section>

    <?php
    include_once 'footer.php'
?>

这是我想要开始的代码（signup.inc.php）：

<?php

if (isset($_POST['submit'])) {

    include_once 'dbh.inc.php';

    $first = mysqli_real_escape_string($conn, $_POST['first']);
    $last = mysqli_real_escape_string($conn, $_POST['last']);
    $email = mysqli_real_escape_string($conn, $_POST['email']);
    $uid = mysqli_real_escape_string($conn, $_POST['uid']);
    $pwd = mysqli_real_escape_string($conn, $_POST['pwd']);

    //Error handlers
    //Check for empty fields
    if (empty($first) || empty($last) || empty($email) || empty($uid) || empty($pwd)) {
        header("Location: ../signup.php?signup=empty");
        exit();
    } else {...

这是我的连接代码（dbh.inc.php）：

<?php

$user="root";
$password="";
$conn=mysqli_connect("localhost",$user,$password);

如果我访问我的网站，请单击注册按钮并填写输入框，我立即收到“signup.php？signup = empty”消息。为什么我的变量是空的？

Answer 1

乍一看似乎$_POST['email']返回空，因为那里有一个拼写错误。它应该是$_POST['e-mail']，因为它在HTML中的名称是电子邮件。

Answer 2

尝试这个连接到db，如下所示（dbh.inc.php）

--- NEXT PAIR ---
Key::33:
Value: 88 app 2/8
superman taman, puchong
36100, Malaysia
--- NEXT PAIR ---
Key::22:
Value: bla bla \bla /bla
bla bla
--- NEXT PAIR ---
Key::32:
Value: 45//dsfd//qdsfqsdf
--- NEXT PAIR ---
Key::72D:
Value: Example

在你的php中，然后执行以下操作

$servername = "localhost";
$username = "root";
$password = "";
$Dbconnect = "db_Name";

// Create connection
$conn = new mysqli($servername, $username, $password, $Dbconnect);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

你的电子邮件也应该是include ('dbh.inc.php'); $first = $_POST['first']; $last = $_POST['last']; $email = $_POST['e-mail'] $uid = $_POST['uid']; $pwd = $POST['pwd']; if (empty($first) || empty($last) || empty($email) || empty($uid) || empty($pwd)) { header("Location: ../signup.php?signup=empty"); exit(); } else {...

变量是空的（php）

2 个答案: