我有一个简单的学校博客网站，我需要帮助。我需要它，这样如果一个用户在提交帖子之前已经发布，那么他当前和以前发布的那些帖子将被突出显示。我知道我需要以某种方式检查该用户是否在我的数据库中，但不确定如何去做。先感谢您。如果需要，我也可以发布我的 css 或 html 表单。
谢谢
这是我的PHP
<?php
date_default_timezone_set('EST');
$date_posted = date('h:i:s Y-m-d');
?>
<!DOCTYPE HTML>
<html>
<head>
<link type="text/css" rel="stylesheet" href="post.css" />
<meta name="viewport" content="width=device-width" />
<title>Daily Dorm News</title>
</head>
<body>
<h1>Your Daily Dorm News Post! </h1>
<div id="container"> <?php if ( isset($_GET['name']) and preg_match("/^[A-Za-z0-9]+$/", $_GET['name']) ) {
echo $_GET['name'];
} else {
echo "You entered an invalid name!\n";
}
?><br>
Your email address is: <?php if ( isset($_GET['email']) and preg_match("/.+@.+\..+/i", $_GET['email']) ) {
echo $_GET['email'];
} else {
echo "You didn't enter a proper email address!\n";
}
?><br>
You Posted : <?php if ( isset($_GET['message']) and preg_match("/^[A-Za-z0-9]+$/", $_GET['message']) ) {
echo $_GET['message'];
} else {
echo "The message is not valid! The message box was blank or you entered invalid symbols!\n";
}
?>
This event happened :<?php echo $_GET["date"]; ?><br>
</div>
<?php
/* [INFO/CS 1300 Project 3] index.php
* Main page for our app.
* Shows all previous posts and highlights the current user's post, if any.
* Includes a link to form.php if user wishes to create and submit a post.
*/
require('wall_database.php');
// Fetching data from the request sent by form.php
$name = strip_tags($_REQUEST['name']);
$email = strip_tags($_REQUEST['email']);
$message = strip_tags($_REQUEST['message']);
$date = strip_tags($_REQUEST['date']);
$is_valid_post = true;
// Checking if a form was submitted
if (isset($_REQUEST['name'])){
// Fetching data from the request sent by form.php
$name = strip_tags($_REQUEST['name']);
$email = strip_tags($_REQUEST['email']);
$message = strip_tags($_REQUEST['message']);
$date = strip_tags($_REQUEST['date']);
// Saving the current post, if a form was submitted
$post_fields = array();
$post_fields['name'] = $name;
$post_fields['email'] = $email;
$post_fields['message'] = $message;
$post_fields['date'] = $date;
$success_flag = saveCurrentPost($post_fields);
}
//Fetching all posts from the database
$posts_array = getAllPosts();
require('header.php');
?>
<p><a href="form.php">Submit a Post</a></p>
<?php
if(isset($name)) {
echo "<h3>Thanks ".$name." for submitting your post.</h3>";
}
?>
<p>Here are all the posts we have received.</p>
<ul id="posts_list">
<div id="posts">
<?php
// Looping through all the posts in posts_array
$counter = 1;
foreach(array_reverse($posts_array) as $post){
$name = $post['name'];
$email = $post['email'];
$message = $post['message'];
$date = $post['date'];
if ($counter % 2==1)
$li_class = "float-left";
else
$li_class = "float-right";
echo '<div class=post>';
echo '<li class="'.$li_class.'"><h3><span>'.$name.'</span> wrote a post.</h3></li>';
echo '<li class="'.$li_class.'"><h3><span>'.$name.' email is: '.$email.'</span></h3></li>';
echo '<li class="'.$li_class.'"><h3><span>'.$name.' wrote '.$message.'</span> wrote a post.</h3></li>';
echo '<li class="'.$li_class.'"><h3><span>This event occured on '.$date_posted.'</span></h3></li>';
echo '</div>';
}
?>
</ul>
</div>
</body>
</html>
最佳答案
你要么需要:
创建登录。创建新帖子后，将其记录在数据库中。下次用户发帖时检查记录。如果存在记录，请使用样式执行您想要的操作
如果您不想创建登录系统，请根据电子邮件地址检查它。这种方法容易出现滥用错误等，
无论哪种方式，您都需要跟踪一些唯一标识符。
关于php - 如何查看用户之前是否发过帖子，如果有，突出显示他过去的帖子？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/20014615/