return $back; } } $kw = new KeyWord(); switch (strtoupper($_GET["action"])) { case "GET": $kw->page = isset($_GET["page"]) ? (int) $_GET["page"] : 1; $kw->size = isset($_GET["size"]) ? (int) $_GET["size"] : 10; $rows = $kw->get(); $res = ['isok' => '1', 'info' => '', 'rows' => $rows]; echo json_encode($res); break; default: $kw->word = $_GET['word']; $kw->url = $_GET['url']; $kw->save(); break; } /* $.ajax({ url : "http://localhost:520/m47_baidu_keywords/PHP/save.php", type : "GET", data : { word : 'baidu', url : 'www.baidu.com' }, success : function (res) { console.log(res); }, error : function (err) { console.log(err);