ajax提交保存数据

// ajax提交function keyup(){    var txt=document.getElementByIdx_x_x_x('wd').value;    var data = {word: txt};    $.ajax({        url: 'cha.php',        data: data,        type: 'GET',        dataType: 'json',        success: function(result) {            var searchListContent = $('.search');            searchListContent.html('');            var html='单词ID:'+result[0];            html+='单词名称:'+result[1];            html+='单词简介:'+result[2];            html+='单词组句:'+result[3];            searchListContent.append(html);            searchListContent.show();        },        error: function(error) {        }    });}

cha.php// 获取页面传过来的值$word =trim($_GET['word']);// 链接数据库 选择数据库$connect = mysqli_connect('localhost','root','','englishok') or die('Unale to connect');// 设置显示字符集$sql = "set names utf8";// 执行sql语句mysqli_query($connect,$sql);// 选择数据表$sql = "select * from cetsix where word='" .$word."'";// 执行sql语句返回结果集$result = mysqli_query($connect,$sql);$row = mysqli_fetch_row($result);echo  json_encode($row);