我想每30秒更新一个WordPress小部件中的信息。所以我想我最好使用一些Ajax。如何在WordPress中定期使用jQuery调用Ajax?
我发现这个在这里的WordPress Codex并将其添加到我的functions.php:
add_action('admin_footer', 'my_action_javascript'); // Write our JS below here
function my_action_javascript() { ?>
<script type="text/javascript" >
jQuery(document).ready(function($) {
var data = {
'action': 'my_action',
'whatever': 1234
};
// since 2.8 ajaxurl is always defined in the admin header and points to admin-ajax.php
jQuery.post(ajaxurl, data, function(response) {
alert(response);
});
});
</script> <?php
}
add_action('wp_ajax_my_action', 'my_action_callback');
function my_action_callback() {
global $wpdb; // this is how you get access to the database
$bla = get_option("airtime_now_playing");
echo $bla;
wp_die(); // this is required to terminate immediately and return a proper response
}
它工作正常,并没有检索我需要什么。
我怎样才能不仅每隔30秒就开一次?
非常感谢!
看一看这个http://stackoverflow.com/questions/2170923/whats-the-easiest-way-to-call-a-function-every-5-seconds-in-jquery – Enrico
谢谢您。是的......这与我所遇到的问题一样,并且在那里解决了。 –