";
}
//构造查询所有新闻的SQL语句
$search_sql = "select * from news order by news_id desc";
//若进行模糊查询，取得模糊查询的关键字keyword
$keyword = "";
if(isset($_GET["keyword"])){
$keyword = trim($_GET["keyword"]);
//构造模糊查询新闻的SQL语句
$search_sql = "select * from news where title like '%$keyword%' or content like '%$keyword%' order by news_id desc";
}
//提供进行模糊查询的form表单
?>