本文实例为大家分享了ajax实现输入提示效果的具体代码，供大家参考，具体内容如下
网站主页
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
margin:0px auto;
padding:0px;
}
.l{
height:50px;
width:198px;
border-bottom:1px solid black;
text-align: center;
line-height:40px;
vertical-align: middle;
}
</style>
<script src="../wenjian/jquery-2.2.3.min.js"></script>
</head>
<body>
<div style="height: 50px;width: 200px"><input type="text" style="width: 198px;height: 48px;"></div>
<div style="height: 500px;width: 200px;border: 1px solid black">
<!--<div >zhongguo</div>-->
</div>
</body>
</html>
<script>
$("#name").keyup(function () {
var n = $("#name").val();
if (n != ""){
$.ajax({
url:'ltchuli.php',
data:{n:n},
type:'post',
// dataType:'text',
dataType:'json',
success:function (data) {
//text写法
// var s = data.split("|");
// var str = "";
// for (var i=0;i<s.length;i++)
// {
// str = str + "<div class='l'>" +s[i] +"</div>";
// }
// $("#list").html(str);
//json写法
for (var i in data){
$("#list").append("<div class='l'>" +data[i] +"</div>");
}
}
});
}else {
$("#list").html("");
}
})
</script>
处理页面
<?php
/**
* Created by fcc
* User: Administrator
* Date: 2017/10/30
* Time: 9:52
*/
$n = $_POST['n'];
require_once "../wenjian/DBDA.class.php";
$db = new DBDA();
$obj = "select region_name from region WHERE region_name LIKE '%{$n}%' ";
$data = $db->Query($obj);
//echo $data;
echo json_encode($data);
