您好，我尝试将 PHP 6 和 MySQL 5 中的两个脚本用于动态网站。我进行了搜索和分页，但是当我转到下一页时 - 没有工作。我在下面贴了两张截图。如果有人能告诉我我是如何犯错的，我将不胜感激。
<?php require_once("../../includes/functions_2.php"); ?>
<?php
//database connect
$dbhost = "localhost";
$dbuser = "root";
$dbpass = "1qazxsw2";
$dbname = "dw_bookstore";
$connection = mysqli_connect($dbhost, $dbuser, $dbpass, $dbname);
//sprawdzenie polaczenia
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
//zmaiana znako na utf8
if (!mysqli_set_charset($connection, "utf8")) {
printf("Error loading character set utf8: %s\n", mysqli_error($connection));
} else {
//printf("Kodowanie ustawione na: %s\n", mysqli_character_set_name($connection));
}
?>
<?php
// Number of records to show per page:
$display = 3;
// Determine how many pages there are...
if (isset($_GET['p']) && is_numeric($_GET['p'])) { // Already been determined.
$pages = $_GET['p'];
} else { // Need to determine.
@$query = $_GET['query'];
$query4 = "SELECT COUNT(id) ";
$query4 .= "FROM photographs ";
$query4 .= "WHERE `nazwa` LIKE '%".$query."%' ";
//$query .= "WHERE visible = 1 ";
$result = @mysqli_query ($connection, $query4);
$row = @mysqli_fetch_array ($result, MYSQLI_NUM);
$records = $row[0];
// Count the number of records:
if ($records > $display) { // More than 1 page.
$pages = ceil ($records/$display);
} else {
$pages = 1;
}
} // End of p IF.
// Determine where in the database to start returning results...
if (isset($_GET['s']) && is_numeric($_GET['s'])) {
$start = $_GET['s'];
} else {
$start = 0;
}
// Make the query:
@$query = $_GET['query'];
$query3 = "SELECT * ";
$query3 .= "FROM photographs ";
$query3 .= "WHERE `nazwa` LIKE '%".$query."%' ";
$query3 .= "OR `kod` LIKE '%".$query."%' ";
//$query .= "AND visible = 1 ";
$query3 .= "ORDER BY id ASC LIMIT $start, $display ";
$result3 = mysqli_query ($connection, $query3);
?>
<?php
// 2. Perform database query
$query2 = "SELECT * ";
$query2 .= "FROM photographs ";
//$query2 .= "WHERE visible = 1 ";
$query2 .= "ORDER BY nazwa ASC ";
$result2 = mysqli_query($connection, $query2);
// Test if there was a query error
if (!$result2) {
die("Database query failed.");
}
?>
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>List_n01</title>
<link href="../../stylesheets/main_2.css" rel="stylesheet" type="text/css" media="screen, projection" />
</head>
<body>
<div id="wrapper">
<div id="header">
<h2>Cennik: Panel Administracyjny</h2>
</div>
<div id="mainContent">
<h1>Graphic Design</h1>
<?php
// Count the number of returned rows:
$num = mysqli_num_rows($result2);
if ($num > 0) { // If it ran OK, display the records.
// Print how many rows there are:
echo "<p>W bazie znajduje się $num pozycji.</p>\n"; ?>
<form action="<?php echo $_SERVER ['PHP_SELF']; ?>" method="GET">
<fieldset>
<ul class="formList">
<li>
<input type="text" name="query" placeholder="Szukana fraza... " />
<input type="submit" value="Search" />
</li>
</fieldset>
</form>
<table id="article">
<caption></caption>
<colgroup>
</colgroup>
<tr>
<th><a href="list_photos_41.php?sort=ln">Zdjęcie:</a></th>
<th>Typ:</th>
<th>Wielkość:</th>
<th>Nazwa:<a href="list_photos_41.php?sort=fn">Nazwa:</a></th>
<th>Kod:</th>
<th>Edytuj:</th>
<th>Szczegóły:</th>
<th>Usuń:</th>
</tr>
<?php
// 3. Use returned data (if any)
while($row = mysqli_fetch_assoc($result3)) {
// output data from each row
?>
<tr>
<td><img src="../images/<?php echo $row['filename']; ?>" width="150" class="article" /></td>
<td><?php echo $row['type']; ?></td>
<td><?php echo size_as_kb($row['size']); ?></td>
<td><?php echo $row['nazwa']; ?></td>
<td><?php echo $row['kod']; ?></td>
<td><a href="photo_update.php?id=<?php echo $row['id']; ?>">Edytuj</a></td>
<td><a href="list_photos_detail.php?id=<?php echo $row['id']; ?>">Detale</a></td>
<td><a href="delete_photo.php?id=<?php echo $row['id']; ?>"onclick="return confirm('Czy napewno chcesz usunąć? (Ta opcja usuwa zdjęcie z danymi z bazy)');">{Usuń}</a></td>
</tr>
<?php
}
?>
</table>
<?php
// 4. Release returned data
mysqli_free_result($result3);
} else { // If no records were returned.
echo '<p class="error">There are currently no rows.</p>';
}
?>
<?php
// Make the links to other pages, if necessary.
if ($pages > 1) {
echo '<br /><p>';
$current_page = ($start/$display) + 1;
// If it's not the first page, make a Previous button:
if ($current_page != 1) {
echo '<a href="list_photos_43.php?s=' . ($start - $display) . '&p=' . $pages .'">Previous</a> ';
}
// Make all the numbered pages:
for ($i = 1; $i <= $pages; $i++) {
if ($i != $current_page) {
$distance = $current_page - $i;
if (abs($distance) < 5){
echo '<a href="list_photos_43.php?s=' . (($display * ($i - 1))) . '&p=' . $pages . '">' . $i . '</a> ';
}
} else {
echo $i . ' ';
}
} // End of FOR loop
// If it's not the last page, make a Next button:
if ($current_page != $pages) {
echo '<a href="list_photos_43.php?s=' . ($start + $display) . '&p=' . $pages . '">Next</a>';
}
echo '</p>'; // Close the paragraph.
} // End of links section.
?>
</div>
<div id="footer">
<p>Copyright <?php echo date("Y", time()); ?>, Cleoni</p></div>
</div>
</body>
</html>
<?php
// 5. Close database connection
mysqli_close($connection);
?>