一个简单的 PHP 博客的示例代码:
收起
php
<?php
// 连接数据库
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "blog_db";
// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);
// 检查连接
if ($conn->connect_error) {
die("连接失败: ". $conn->connect_error);
}
// 查询文章
$sql = "SELECT id, title, content, created_at FROM articles ORDER BY created_at DESC";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
// 输出数据
while($row = $result->fetch_assoc()) {
echo "<h2>".$row["title"]."</h2>";
echo "<p>".$row["content"]."</p>";
echo "<small>发布于: ".$row["created_at"]."</small><br><br>";
}
} else {
echo "没有文章";
}
// 关闭连接
$conn->close();
?>
<!DOCTY