免费虚拟主机论坛

<?php
// 数据库连接
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "forum";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 发帖功能
if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['submit'])) {
    $title = $_POST['title'];
    $content = $_POST['content'];
    $sql = "INSERT INTO posts (title, content) VALUES ('$title', '$content')";
    if ($conn->query($sql) === TRUE) {
        echo "新帖子发布成功";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }
}

// 显示帖子
$sql = "SELECT id, title, content FROM posts";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        echo "<h2>" . $row["title"]. "</h2><p>" . $row["content"]. "</p>";
    }
} else {
    echo "0 结果";
}
$conn->close();
?>