我正在为Joomla 3开发一个自定义插件。我正在尝试对我的插件进行 ajax 调用。我已经研究了Joomla Ajax接口,并遵循了所描述的内容。但是当我进行调用时,json 响应是空的,即使我正在回显一个值。
这是我的PHP代码:
class plgContentMyPlugin extends JPlugin
{
public static function onAjaxSendMail()
{
//Get the app
$app = JFactory::getApplication();
$data = "test";
//echo the data
echo json_encode($data);
//close the $app
$app->close();
}
}
这是我的Ajax请求:
jQuery.ajax(
{
type: "POST",
url: "index.php?option=com_ajax&plugin=myplugin&method=onAjaxSendMail&format=json",
success: function(data)
{
var response = jQuery.parseJSON(data);
console.log(response);
}
});
当我收到响应时,数据变量包含一个空数组。
我做错了什么?谢谢。
下面是触发 ajax 调用的代码 -
JPluginHelper::importPlugin('ajax');
$plugin = ucfirst($input->get('plugin'));
$dispatcher = JEventDispatcher::getInstance();
try
{
$results = $dispatcher->trigger('onAjax' . $plugin);
}
catch (Exception $e)
{
$results = $e;
}
第一行说插件应该是 ajax 类型,在你的代码中是它的内容类型。此外,根据文档,方法和类名约定不正确 -
The plugin class name following the plgAjax[Name] convention.
The plugin function name following the onAjax[Name] convention.
所以需要首先改变它应该是 -
<?php defined('_JEXEC') or die;
// Import library dependencies
jimport('joomla.plugin.plugin');
class plgAjaxMyplugin extends JPlugin
{
function onAjaxMyplugin()
{
$data = array("test");
return $data;
}
}
//jQuery
jQuery.ajax(
{
type: "POST",
url: "index.php?option=com_ajax&plugin=myplugin&format=json",
success: function(data)
{
//var response = jQuery.parseJSON(data);
console.log(data);
}
});
//.XML
<?xml version="1.0" encoding="utf-8"?>
<extension version="2.5"
type="plugin"
group="ajax"
method="upgrade">
<name>Ajax - Myplugin</name>
<version>0.1</version>
<creationDate>Jan 28, 2015</creationDate>
<author>test</author>
<authorEmail>admin@change.me</authorEmail>
<authorUrl>http://www.test.com</authorUrl>
<license>GNU General Public License version 2 or later</license>
<copyright>Copyright (C) 2013 betweenbrain llc. All rights reserved.</copyright>
<description>Joomla Ajax Plugin</description>
<files>
<filename plugin="myplugin">myplugin.php</filename>
</files>
</extension>
重要通知:
在您的 ajax 调用中添加插件组:
jQuery.ajax(
{
type: "POST",
url: "index.php?option=com_ajax&plugin=myplugin&method=onAjaxSendMail&format=json",
success: function(data)
{
var response = jQuery.parseJSON(data);
console.log(response);
}
});
更改为 :
jQuery.ajax(
{
type: "POST",
url: "index.php?option=com_ajax&group=Content&plugin=myplugin&method=onAjaxSendMail&format=json",
success: function(data)
{
var response = jQuery.parseJSON(data);
console.log(response);
}
});