摘要:wordpress文章点赞功能目前已经相对普遍,很多插件和分享代码都自带此功能。而且样式各异足以满意wp小白用户的需要,…
wordpress文章点赞功能目前已经相对普遍,很多插件和分享代码都自带此功能。而且样式各异足以满意wp小白用户的需要,但是如果想打造一款自己想要的点赞功能样式,还是要手动添加下代码才能实现。下面给大家推荐一种纯代码实现文章页面点赞的方法。用自定义字段保存赞数量,通过Cookies来禁止重复赞。
加入至Functions.php文件中:
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add_action(‘wp_ajax_nopriv_bigfa_like’, ‘bigfa_like’);
add_action(‘wp_ajax_bigfa_like’, ‘bigfa_like’);
function bigfa_like(){
global $wpdb,$post;
$id = $_POST[“um_id”];
$action = $_POST[“um_action”];
if ( $action == ‘ding’){
$bigfa_raters = get_post_meta($id,‘bigfa_ding’,true);
$expire = time() + 99999999;
$domain = ($_SERVER[‘HTTP_HOST’] != ‘localhost’) ? $_SERVER[‘HTTP_HOST’] : false; // make cookies work with localhost
setcookie(‘bigfa_ding_’.$id,$id,$expire,‘/’,$domain,false);
if (!$bigfa_raters || !is_numeric($bigfa_raters)) {
update_post_meta($id, ‘bigfa_ding’, 1);
}
else {
update_post_meta($id, ‘bigfa_ding’, ($bigfa_raters + 1));
}
echo get_post_meta($id,‘bigfa_ding’,true);
}
die;
}
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相对应的JS代码:
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$(document).ready(function() {
$.fn.postLike = function() {
if ($(this).hasClass(‘done’)) {
return false;
} else {
$(this).addClass(‘done’);
var id = $(this).data(“id”),
action = $(this).data(‘action’),
rateHolder = $(this).children(‘.count’);
var ajax_data = {
action: “bigfa_like”,
um_id: id,
um_action: action
};
$.post(“./wp-admin/admin-ajax.php”, ajax_data,
function(data) {
$(rateHolder).html(data);
});
return false;
}
};
$(document).on(“click”, “.favorite”,
function() {
$(this).postLike();
});
});
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调用代码:
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<div class=“post-like”>
<a href=“javascript:;” data–action=“ding” data–id=“<?php the_ID(); ?>“ class=“favorite<?php if(isset($_COOKIE[‘bigfa_ding_’.$post->ID])) echo ‘ done’;?>“>喜欢 <span class=“count”>
<?php if( get_post_meta($post->ID,‘bigfa_ding’,true) ){
echo get_post_meta($post->ID,‘bigfa_ding’,true);
} else {
echo ‘0’;
}?></span>
</a>
</div>
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参考CSS样式
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.post–like{text–align:center;padding:10px}
.post–like a{ background–color:#21759B;border-radius: 3px;color: #FFFFFF;font-size: 12px;padding: 5px 10px;text-decoration: none;outline:none}
.post–like a.done, .post–like a:hover{background–color:#eee;color:#21759B;}
.post–like a.done{cursor:not–allowed}
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请引用版本为1.10或以上的jQuery。
来源:http://www.wazhuti.com/556.html