php 使用MySQLi获取数据

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</body>
</html>
 <nav class="navbar navbar-default">
      <div class="container">
        <div class="navbar-header">
          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="#">PHPblog</a>
        </div>
        <div id="navbar" class="collapse navbar-collapse">
          <ul class="nav navbar-nav">
            <li><a href="<?php echo ROOT_URL; ?>">Home</a></li>
          </ul>
        </div><!--/.nav-collapse -->
      </div>
    </nav>
<!DOCTYPE html>
	<html>
		<head>
			<title>PHP Blog</title>
			<link rel="stylesheet" type="text/css" href="http://bootswatch.com/cerulean/bootstrap.min.css">
		</head>
	<body>
	<?php include('navbar.php'); ?>
<?php
	// Create Connection
	$conn = mysqli_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);

	// Check Connection
	if(mysqli_connect_errno()){
		// Connection Failed
		echo 'Failed to connect to MySQL '. mysqli_connect_errno();
	}
<?php
	define('ROOT_URL', 'http://localhost/phpsandbox/website8/');
	define('DB_HOST', 'localhost');
	define('DB_USER', 'root');
	define('DB_PASS', '123456');
	define('DB_NAME', 'phpblog');
<?php
	require('config/config.php');
	require('config/db.php');

	// get ID
	$id = mysqli_real_escape_string($conn, $_GET['id']);

	// Create Query
	$query = 'SELECT * FROM posts WHERE id = '.$id;

	// Get Result
	$result = mysqli_query($conn, $query);

	// Fetch Data
	$post = mysqli_fetch_assoc($result);
	//var_dump($posts);

	// Free Result
	mysqli_free_result($result);

	// Close Connection
	mysqli_close($conn);
?>

	<?php include('inc/header.php'); ?>
		<div class="container">
			<a href="<?php echo ROOT_URL; ?>" class="btn btn-default">Back</a>
			<h1><?php echo $post['title']; ?></h1>	
			<small>Created on <?php echo $post['created_at']; ?> by <?php echo $post['author']; ?></small>
			<p><?php echo $post['body']; ?></p>
		</div>
	<?php include('inc/footer.php'); ?>
<?php
	require('config/config.php');
	require('config/db.php');

	// Create Query
	$query = 'SELECT * FROM posts';

	// Get Result
	$result = mysqli_query($conn, $query);

	// Fetch Data
	$posts = mysqli_fetch_all($result, MYSQLI_ASSOC);
	//var_dump($posts);

	// Free Result
	mysqli_free_result($result);

	// Close Connection
	mysqli_close($conn);
?>

<?php include('inc/header.php'); ?>
	<div class="container">
		<h1>Posts</h1>
		<?php foreach($posts as $post) : ?>
			<div class="well">
				<h3><?php echo $post['title']; ?></h3>
				<small>Created on <?php echo $post['created_at']; ?> by <?php echo $post['author']; ?></small>
				<p><?php echo $post['body']; ?></p>
				<a class="btn btn-default" href="<?php echo ROOT_URL; ?>post.php?id=<?php echo $post['id']; ?>">Read More</a>
			</div>
		<?php endforeach; ?>
	</div>
<?php include('inc/footer.php'); ?>

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