如何使用 AJAX GET 请求来显示获取的 stdclass 对象
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【中文标题】如何使用 AJAX GET 请求来显示获取的 stdclass 对象【英文标题】：how can you use an AJAX GET request to display fetched stdclass Objects 【发布时间】：2015-09-02 03:03:00 【问题描述】：我已成功使用PDO 从我的数据库中获取数据，使用PDO::FETCH_OBJ 方法，查询返回如下：
Array (
[0] => stdClass Object
(
[id] => 2
[title] => Johnny Sims
[img] =>
[description] =>
[school] =>
[location] => 1
[url] =>
[tablename] => 2
[votes] => 5
[name] => President Candidates
[Numopinions] => 6
)
[1] => stdClass Object
(
[id] => 2
[title] => Jeremy Pinto
[img] =>
[description] =>
[school] =>
[location] => 1
[url] =>
[tablename] => 2
[votes] => 4
[name] => Presidential Candidates
[Numopinions] => 6
)
[2] => stdClass Object
(
[id] => 2
[title] => Sarah Bushels
[img] =>
[description] =>
[school] =>
[location] => 1
[url] =>
[tablename] => 2
[votes] => 3
[name] => Presidential Candidates
[Numopinions] => 6
)
)
如果这是回显的内容，人们将如何使用 AJAX GET 请求与此数据进行交互？
【问题讨论】：
您可以像在没有AJAX 的情况下访问它一样访问它。什么意思？
唯一认为您可能需要做不同的是echo 使用jSON 编码。
【参考方案1】：
我假设你想在 javascript 中与它交互，在这种情况下你可以json_encode($array) 它然后将它输出到内容类型标头设置为 application/json 的页面。
如果您随后使用 AJAX 请求该页面并将结果加载到 var 中，它将自动解析为 JavaScript 数组。
【讨论】：
【参考方案2】：这只是您的场景的表示。
index.php
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title></title>
<!-- jQuery -->
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
</head>
<body>
<div id="result"></div>
<script>
$(document).ready(function()
var userId= 1; //this can be anything like a gobal variable or an user input, etc
$.ajax(
url: "ajax.php",
type: "GET",
data: id : userId, //userId is the variable that you are going to pass to ajax.php
dataType: "json",
success: function(data)
//your logic what do you want to do with it
$("#result").html( data.title + '-' + data.name);
,
error: function(xhr, textStatus, errorThrown)
alert( "Request failed: " + textStatus );
)
);
</script>
</body>
</html>
ajax.php
<?php
//you logic here, this is just a dumy example
$id = isset($_GET['id']) ? $_GET['id'] : 0;
$db_records = array(
array(
"id" => 2,
"title" => 'Jeremy Pinto',
"img" => '',
"description" => '',
"school" => '',
"location" => 1,
"url" => '',
"tablename" => 2,
"votes" => 4,
"name" => 'Presidential Candidates',
"Numopinions" => 6
),
array (
"id" => 2,
"title" => 'Sarah Bushels',
"img" => '',
"description" => '',
"school" => '',
"location" => 1,
"url" => '',
"tablename" => 2,
"votes" => 3,
"name" => 'Presidential Candidates',
"Numopinions" => 6
)
);
print json_encode($db_records[$id]);
【讨论】：
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