我的网站上有一个 php 消息系统。有了它,用户可以互相发送和接收消息,但最近我一直在尝试寻找一种包含图像附件的方法,以便用户可以发送带有消息的照片。
消息存储在 ptb_messages 中,消息部分(主题和正文)工作正常,但我在表中创建了一个名为“图像”的列,它是一个 BLOB 类型和一个“名称”列来存储图像名称。但是我是 php 和 mysql 的新手,无论我尝试什么,我似乎都无法将图像存储在数据库中。
谁能帮助我,让我知道我哪里出错了?
<?php ob_start(); ?>
<?php
// CONNECT TO THE DATABASE
require('includes/_config/connection.php');
// LOAD FUNCTIONS
require('includes/functions.php');
// GET IP ADDRESS
$ip_address = $_SERVER['REMOTE_ADDR'];
?>
<?php require_once("includes/sessionframe.php"); ?>
<?php
confirm_logged_in();
if (isset ($_GET['to'])) {
$user_to_id = $_GET['to'];
}
?>
<?php
//We check if the form has been sent
if(isset($_POST['subject'], $_POST['message_content']))
{
$subject = $_POST['subject'];
$content = $_POST['message_content'];
$image = $POST ['image'];
//We remove slashes depending on the configuration
if(get_magic_quotes_gpc())
{
$subject = stripslashes($subject);
$content = stripslashes($content);
$image = stripslashes($image);
}
//We check if all the fields are filled
if($_POST['subject']!='' and $_POST['message_content']!='')
{
$sql = "INSERT INTO ptb_messages (id, from_user_id, to_user_id, subject, content, image) VALUES (NULL, '".$_SESSION['user_id']."', '".$user_to_id."', '".$subject."', '".$content."', '".$image."');";
mysql_query($sql, $connection);
echo "<div class=\"infobox2\">The message has successfully been sent.</div>";
}
}
if(!isset($_POST['subject'], $_POST['message_content']))
if (empty($_POST['subject'])){
$errors[] = 'The subject cannot be empty.';
if (empty($_POST['body'])){
$errors[] = 'The body cannot be empty.';
}
}
{
?>
<form action="<?php $_SERVER['PHP_SELF'] ?>" method="post">
<div class="subject">
<input name="subject" type="text" id="subject" placeholder="Subject">
<input type="file" name="image" id="image">
<textarea name="message_content" id="message_content" cols="50" placeholder="Message" rows="8" style="resize:none; height: 100px;"></textarea>
<input type="image" src="assets/img/icons/loginarrow1.png" name="send_button" id="send_button" value="Send">
</form>
<?php } ?>
<?php ob_end_flush() ?>