Question

我正在尝试使用MYSQL在PHP中创建注册页面。我的index.php页面有一个我必须填写的表单，在注册时，它应该显示注册状态，是否成功，以及是否正在向电子邮件发送确认链接。但是，当我点击注册时，它会重定向到register.php，其中显示的是nothings - 无论我输入什么信息，我看到的都是空白页。此外，在检查数据库（用户）中的我的表（用户）时，我意识到没有数据输入。我的数据库连接是正确的，因为我已经验证了它，我怀疑错误是在register.php中。任何人都可以看看它，并指导我可能做错了什么？提前谢谢。

我的index.php

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Sign Up</title>
<style>
 label{
  width:100px;
  float:left;
 }
</style>
</head>
<body>
<?php 
 session_start();
 if(isset($_SESSION['error']))
 {
  echo '<p>'.$_SESSION['error']['username'].'</p>';
  echo '<p>'.$_SESSION['error']['email'].'</p>';
  echo '<p>'.$_SESSION['error']['password'].'</p>';
  echo '<p>'.$_SESSION['error']['mail_add'].'</p>';
  unset($_SESSION['error']);
 }
?>
<div class="signup_form">
<form action="register.php" method="post" >
 <p>
  <label for="username">User Name:</label>
  <input name="username" type="text" id="username" size="30"/>
 </p>
 <p>
  <label for="email">E-mail:</label>
  <input name="email" type="text" id="email" size="30"/>
 </p>
 <p>
  <label for="password">Password:</label>
  <input name="password" type="password" id="password" size="30 "/>
 </p>
 <p>
  <label for="mail_add">Mailing:</label>
  <input name="mail_add" type="text" id="mail_add" size="30"/>
 </p>
 <p>
  <input name="submit" type="submit" value="Submit"/>
 </p>
</form>
</div>
</body>
</html>

我的register.php

<?php
session_start();
include('configdb.php');
if(isset($_POST['submit']))
{
 //whether the username is blank
 if($_POST['username'] == '')
 {
  $_SESSION['error']['username'] = "User Name is required.";
 }
  if($_POST['mail_add'] == '')
 {
  $_SESSION['error']['mail_add'] = "Mailing address is required.";
 }
 //whether the email is blank
 if($_POST['email'] == '')
 {
  $_SESSION['error']['email'] = "E-mail is required.";
 }
 else
 {
  //whether the email format is correct
  if(preg_match("/^([a-zA-Z0-9])+([a-zA-Z0-9._-])*@([a-zA-Z0-9_-])+([a-zA-Z0-9._-]+)+$/", $_POST['email']))
  {
   //if it has the correct format whether the email has already exist
   $email= $_POST['email'];
   $sql1 = "SELECT * FROM user WHERE email = '$email'";
   $result1 = mysqli_query($mysqli,$sql1) or die(mysqli_error());
   if (mysqli_num_rows($result1) > 0)
            {
    $_SESSION['error']['email'] = "This Email is already used.";
   }
  }
  else
  {
   //this error will set if the email format is not correct
   $_SESSION['error']['email'] = "Your email is not valid.";
  }
 }
 //whether the password is blank
 if($_POST['password'] == '')
 {
  $_SESSION['error']['password'] = "Password is required.";
 }

  //if the error exist, we will go to registration form
 if(isset($_SESSION['error']))
 {
  header("Location: index.php");
  exit;
 }
 else
 {
  $username = $_POST['username'];
  $email = $_POST['email'];
  $password = $_POST['password'];
  $mail_add = $_POST['mail_add'];
  $com_code = md5(uniqid(rand()));

  $sql2 = "INSERT INTO user (username, email, password, com_code , mail_add) VALUES ('$username', '$email', '$password', '$com_code', '$mail_add')";
  $result2 = mysqli_query($mysqli,$sql2) or die(mysqli_error());

  if($result2)
  {
   $to = $email;
   $subject = "Confirmation from TutsforWeb to $username";
   $header = "TutsforWeb: Confirmation from TutsforWeb";
   $message = "Please click the link below to verify and activate your account. rn";
   $message .= "http://www.yourname.com/confirm.php?passkey=$com_code";

   $sentmail = mail($to,$subject,$message,$header);

   echo "Records finally inserted into table.";

   if($sentmail)
            {
   echo "Your Confirmation link Has Been Sent To Your Email Address.";
   }
   else
         {
    echo "Cannot send Confirmation link to your e-mail address";
   }
  }
  else {
      echo "Cannot insert into table";
  }
 }
}
?>

提前致谢。

Answer 1

尝试：

$result2 = mysqli_query($mysqli,$sql2) or die(mysqli_error($mysqli));

享受您的代码

Register.php重定向到空白页面

1 个答案: