我在我的测试数据库中有6个项目。搜索框位于http://vince.netau.net在我甚至在搜索框中搜索任何内容之前，数据库中的所有6个项目都显示出来。我需要在代码中更改哪些内容，以便只显示搜索框而没有任何结果？谢谢搜索PHP - 如何调出搜索框没有结果

define("ROW_PER_PAGE",2);

require_once('db.php');

?>

body{width:615px;font-family:arial;letter-spacing:1px;line-height:20px;}

.tbl-qa{width: 100%;font-size:0.9em;background-color: #f5f5f5;}

.tbl-qa th.table-header {padding: 5px;text-align: left;padding:10px;}

.tbl-qa .table-row td {padding:10px;background-color: #FDFDFD;vertical-align:top;}

.button_link {color:#FFF;text-decoration:none; background-color:#428a8e;padding:10px;}

#keyword{border: #CCC 1px solid; border-radius: 4px; padding: 7px;background:url("demo-search-icon.png") no-repeat center right 7px;}

.btn-page{margin-right:10px;padding:5px 10px; border: #CCC 1px solid; background:#FFF; border-radius:4px;cursor:pointer;}

.btn-page:hover{background:#F0F0F0;}

.btn-page.current{background:#F0F0F0;}

$search_keyword = '';

if(!empty($_POST['search']['keyword'])) {

$search_keyword = $_POST['search']['keyword'];

}

$sql = 'SELECT * FROM posts WHERE post_title LIKE :keyword OR description LIKE :keyword OR post_at LIKE :keyword ORDER BY id DESC ';

/* Pagination Code starts */

$per_page_html = '';

$page = 1;

$start=0;

if(!empty($_POST["page"])) {

$page = $_POST["page"];

$start=($page-1) * ROW_PER_PAGE;

}

$limit=" limit " . $start . "," . ROW_PER_PAGE;

$pagination_statement = $pdo_conn->prepare($sql);

$pagination_statement->bindValue(':keyword', '%' . $search_keyword . '%', PDO::PARAM_STR);

$pagination_statement->execute();

$row_count = $pagination_statement->rowCount();

if(!empty($row_count)){

$per_page_html .= "

";

}

$query = $sql.$limit;

$pdo_statement = $pdo_conn->prepare($query);

$pdo_statement->bindValue(':keyword', '%' . $search_keyword . '%', PDO::PARAM_STR);

$pdo_statement->execute();

$result = $pdo_statement->fetchAll();

?>

TitleDescriptionDate

if(!empty($result)) {

foreach($result as $row) {

?>

<?php echo $row['post_title']; ?><?php echo $row['description']; ?><?php echo $row['post_at']; ?>

}

}

?>

+0

我应该改变这里的代码 –