[英]How to display message when a user submits the form
嗨,我有以下代碼。 我只是想知道如果一切成功,如何添加一條消息/彈出窗口說“感謝注冊”。 這是代碼,順便說一句,我是新的php。 謝謝你的幫助
<?php
require("config.php");
if(!empty($_POST))
{
// Ensure that the user fills out fields
if(empty($_POST['username']))
{ die("Please enter a username."); }
if(empty($_POST['password']))
{ die("Please enter a password."); }
if(!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL))
{ die("Invalid E-Mail Address"); }
// Check if the username is already taken
$query = "
SELECT
1
FROM users
WHERE
username = :username
";
$query_params = array( ':username' => $_POST['username'] );
try {
$stmt = $db->prepare($query);
$result = $stmt->execute($query_params);
}
catch(PDOException $ex){ die("Failed to run query: " . $ex->getMessage()); }
$row = $stmt->fetch();
if($row){ die("This username is already in use"); }
$query = "
SELECT
1
FROM users
WHERE
email = :email
";
$query_params = array(
':email' => $_POST['email']
);
try {
$stmt = $db->prepare($query);
$result = $stmt->execute($query_params);
}
catch(PDOException $ex){ die("Failed to run query: " . $ex->getMessage());}
$row = $stmt->fetch();
if($row){ die("This email address is already registered"); }
// Add row to database
$query = "
INSERT INTO users (
username,
password,
salt,
email
) VALUES (
:username,
:password,
:salt,
:email
)
";
// Security measures
$salt = dechex(mt_rand(0, 2147483647)) . dechex(mt_rand(0, 2147483647));
$password = hash('sha256', $_POST['password'] . $salt);
for($round = 0; $round < 65536; $round++){ $password = hash('sha256', $password . $salt); }
$query_params = array(
':username' => $_POST['username'],
':password' => $password,
':salt' => $salt,
':email' => $_POST['email']
);
try {
$stmt = $db->prepare($query);
$result = $stmt->execute($query_params);
}
catch(PDOException $ex){ die("Failed to run query: " . $ex->getMessage()); }
header("Location: index.php");
die("Redirecting to index.php");
}
?>
試試這個-插入而不是header( Location:index.php);
和die()
行:
在重定向到index.php之前,以下內容將顯示感謝消息,持續content=5)
( content=5)
秒
echo '<h1>Thanks for registering</h1>';
echo '<meta HTTP-EQUIV="REFRESH" content="5; url=index.php">';
您是否考慮過使用jquery? 您可以通過一個警報使用“ $(”#id“)。submit(function(event)){},它會彈出帶有個性化消息的彈出窗口。
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