Javascript 如何使用ajax(WordPress)添加更多负载以获取自定义查询数据?
我正试图从WordPress中的自定义查询循环加载更多帖子,我已经创建了自定义帖子类型“业务”,并希望在单击“加载更多”按钮时加载“更多业务”。 我正在使用VisualComposer短代码添加业务内容。我已经成功地创建了“加载更多”按钮来获取更多业务,但它在提到的“id”内以及该id外添加了数据。我无法检测到该问题 这是我的密码: 在functions.php中,我添加了以下本地化脚本:Javascript 如何使用ajax(WordPress)添加更多负载以获取自定义查询数据?,javascript,php,jquery,ajax,wordpress,Javascript,Php,Jquery,Ajax,Wordpress,我正试图从WordPress中的自定义查询循环加载更多帖子,我已经创建了自定义帖子类型“业务”,并希望在单击“加载更多”按钮时加载“更多业务”。 我正在使用VisualComposer短代码添加业务内容。我已经成功地创建了“加载更多”按钮来获取更多业务,但它在提到的“id”内以及该id外添加了数据。我无法检测到该问题 这是我的密码: 在functions.php中,我添加了以下本地化脚本: wp_localize_script( 'test-script', 'ajax_posts', arra
wp_localize_script( 'test-script', 'ajax_posts', array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
'noposts' => __('No older posts found', 'test'),
'page' => get_query_var( 'paged' ) ? get_query_var('paged') : 1,
));
my main.js文件代码包含如下ajax调用:
function load_posts(data, button, wrapper, max_page, load_more_txt ="View All"){
$.ajax({
type: "POST",
dataType: "html",
url: ajax_posts.ajaxurl,
data: data,
beforeSend : function ( xhr ) {
button.text('Loading...');
},
success: function(data){
if( data ) {
button.text( load_more_txt ).prev().before(data);
ajax_posts.page++;
wrapper.append(data);
if ( ajax_posts.page == max_page ) {
button.remove();
}
}
},
error : function(jqXHR, textStatus, errorThrown) {
$loader.html(jqXHR + " :: " + textStatus + " :: " + errorThrown);
}
});
return false;
}
我已在document.ready:上调用此函数:
$("#more_posts").on("click",function(){
var el = $("#more_posts");
// Disable the button.
el.attr("disabled",true);
var business_category = el.data('business_category');
var business_location = el.data('business_location');
var business_industry = el.data('business_industry');
var post_count = el.data('post_count');
var offset = el.data('offset');
var max_page = el.data('max_page');
//shortcode enable/disable options value
var show_business_review = el.data('show_business_review');
var show_features = el.data('show_features');
var show_buy_giftcard = el.data('show_buy_giftcard');
var show_book_online_button = el.data('show_book_online_button');
var enable_coupon_discount = el.data('enable_coupon_discount');
var show_get_free_cleaning_btn = el.data('show_get_free_cleaning_btn');
data = {
'business_category': business_category,
'business_location': business_location,
'business_industry': business_industry,
'post_count': post_count,
'offset': offset,
'page': ajax_posts.page,
'show_business_review': show_business_review,
'show_features': show_features,
'show_buy_giftcard': show_buy_giftcard,
'show_book_online_button': show_book_online_button,
'enable_coupon_discount': enable_coupon_discount,
'show_get_free_cleaning_btn': show_get_free_cleaning_btn,
'action': 'more_post_ajax'
}
var wrapper = $("#marketplace-businesses");
var loadMoreTxt = "View All";
// call load more posts function
load_posts(data, el, wrapper, max_page, loadMoreTxt);
});
在此之后,我添加了获取ajax数据和加载新帖子的功能:
function more_post_ajax(){
header("Content-Type: text/html");
$business_category = (isset($_POST['business_category'])) ? $_POST['business_category'] : '';
$business_location = (isset($_POST['business_location'])) ? $_POST['business_location'] : '';
$business_industry = (isset($_POST['business_industry'])) ? $_POST['business_industry'] : '';
$post_count = (isset($_POST['post_count'])) ? $_POST['post_count'] : 2;
$page = (isset($_POST['page'])) ? $_POST['page'] + 1 : 1;
$offset = (isset($_POST['offset'])) ? $_POST['offset'] : '';
// shortcode enable disable options
$show_business_review = (isset($_POST['show_business_review'])) ? $_POST['show_business_review'] : true;
$show_features = (isset($_POST['show_features'])) ? $_POST['show_features'] : true;
$show_buy_giftcard = (isset($_POST['show_buy_giftcard'])) ? $_POST['show_buy_giftcard'] : true;
$show_book_online_button = (isset($_POST['show_book_online_button'])) ? $_POST['show_book_online_button'] : true;
$enable_coupon_discount = (isset($_POST['enable_coupon_discount'])) ? $_POST['enable_coupon_discount'] : true;
$show_get_free_cleaning_btn = (isset($_POST['show_get_free_cleaning_btn'])) ? $_POST['show_get_free_cleaning_btn'] : true;
if($business_category != "") {
$args = array(
'tax_query' => array(
'relation' => 'AND',
array('taxonomy' => 'business_location', 'field' => 'slug', 'terms' => array($business_location)),
array('taxonomy' => 'business_industry', 'field' => 'slug', 'terms' => array($business_industry)),
array('taxonomy' => 'business_category', 'field' => 'slug', 'terms' => $business_category)),
);
} else {
$args = array(
'tax_query' => array(
'relation' => 'AND',
array('taxonomy' => 'business_location', 'field' => 'slug', 'terms' => array($business_location)),
array('taxonomy' => 'business_industry', 'field' => 'slug', 'terms' => array($business_industry)),
),
);
}
$args['post_type'] = 'business';
$args['posts_per_page'] = $post_count;
$args['post_status'] = 'publish';
$updated_offset = (($page - 1) * $post_count);
$args['offset'] = $updated_offset;
$loop = new WP_Query($args);
$out = '';
if ($loop -> have_posts()) :
while ($loop -> have_posts()) : $loop->the_post(); $post_id = get_the_ID();
$out .= '<div class="businesses-wrap-content mb-10">';
$out .= '<div class="d-flex">';
$out .= '<div class="content-wrap pr-15"><div class="business-title"><h5 class="text-dark mb-2">'.get_the_title().'</h5>';
$out .= '</div></div>'; // content-wrap pr-15 closed
$out .= '</div>'; // d-flex closed
$out .= '</div>';
endwhile;
endif;
wp_reset_postdata();
die($out);
}
add_action('wp_ajax_nopriv_more_post_ajax', 'more_post_ajax');
add_action('wp_ajax_more_post_ajax', 'more_post_ajax');
function more\u post\u ajax(){
标题(“内容类型:文本/html”);
$business_category=(isset($_POST['business_category'])?$_POST['business_category']:'';
$business\u location=(isset($\u POST['business\u location'])?$\u POST['business\u location']:'';
$business\u industry=(isset($\u POST['business\u industry'])?$\u POST['business\u industry']:'';
$post_count=(isset($_post['post_count'])?$_post['post_count']:2;
$page=(isset($_POST['page'])?$_POST['page']+1:1;
$offset=(isset($_POST['offset'])?$_POST['offset']:'';
//快捷码启用禁用选项
$show_business_review=(isset($_POST['show_business_review'])?$_POST['show_business_review']:true;
$show_features=(isset($_POST['show_features'])?$_POST['show_features']:true;
$show_buy_giftcard=(isset($_POST['show_buy_giftcard'])?$_POST['show_buy_giftcard']:true;
$show_book_online_button=(设置($_POST['show_book_online_button'))?$_POST['show_book_online_button']:true;
$enable_优惠券折扣=(isset($_POST['enable_优惠券折扣])?$_POST['enable_优惠券折扣]):true;
$show\u get\u free\u cleaning\u btn=(isset($\u POST['show\u get\u free\u cleaning\u btn'))?$\u POST['show\u get\u free\u cleaning\u btn']:true;
如果($business\u category!=“”){
$args=数组(
“tax_query”=>数组(
'关系'=>'和',
数组('taxonomy'=>'business\u location','field'=>'slug','terms'=>数组($business\u location)),
数组('taxonomy'=>'business\u industry','field'=>'slug','terms'=>数组($business\u industry)),
数组('taxonomy'=>'business\u category','field'=>'slug','terms'=>$business\u category)),
);
}否则{
$args=数组(
“tax_query”=>数组(
'关系'=>'和',
数组('taxonomy'=>'business\u location','field'=>'slug','terms'=>数组($business\u location)),
数组('taxonomy'=>'business\u industry','field'=>'slug','terms'=>数组($business\u industry)),
),
);
}
$args['post_type']='business';
$args['posts\u per\u page']=$post\u count;
$args['post_status']='publish';
$updated_offset=($page-1)*$post_count);
$args['offset']=$updated\u offset;
$loop=新的WP_查询($args);
$out='';
如果($loop->have_posts()):
while($loop->have_posts()):$loop->the_post();$post_id=get_the_id();
$out.='';
$out.='';
$out.=''。获取标题();
$out.='';//内容包装pr-15已关闭
$out.='';//d-flex已关闭
$out.='';
结束时;
endif;
wp_reset_postdata();
死亡($退出);
}
添加动作(“wp_ajax_nopriv_more_post_ajax”,“more_post_ajax”);
添加动作(“wp\u ajax\u more\u post\u ajax”,“more\u post\u ajax”);
现在它的输出为:
--appended data
<div id="marketplace-businesses">
--appended data
</div>
——附加数据
--附加数据
单击LoadMore按钮,它会显示两次输出,一次在包装器div之外,另一次作为包装器div的最后一个子级
如何将load more data仅显示为包装器div的最后一个子级?我在这里做错了什么?我在(数据)之前使用了
按钮.text(加载\u more\u txt).prev()代码>它将为我复制数据。现在我只使用了按钮.text(加载更多的文本)代码>加载后显示按钮文本。现在检查此功能
function load_posts(data, button, wrapper, max_page, load_more_txt ="View All"){
$.ajax({
type: "POST",
dataType: "html",
url: ajax_posts.ajaxurl,
data: data,
beforeSend : function ( xhr ) {
button.text('Loading...');
},
success: function(data){
if( data ) {
//button.text( load_more_txt ).prev().before(data);
button.text( load_more_txt );
ajax_posts.page++;
wrapper.append(data);
if ( ajax_posts.page == max_page ) {
button.remove();
}
}
},
error : function(jqXHR, textStatus, errorThrown) {
$loader.html(jqXHR + " :: " + textStatus + " :: " + errorThrown);
}
});
return false;
}
这解决了我的问题