一般为WordPress文章添加阅读次数统计，会用到wp-postviews或者wp-postviews-plus插件，这里分享两段不用插件实现Wordpress文章阅读次数的代码，供大家参考。

代码一：

一、首先将下面代码加到主题functions模版文件中：

function getPostViews($postID){   
    $count_key = \'post_views_count\';   
    $count = get_post_meta($postID, $count_key, true);   
    if($count==\'\'){   
        delete_post_meta($postID, $count_key);   
        add_post_meta($postID, $count_key, \'0\');   
        return \"0 View\";   
    }   
    return $count.\' Views\';   
}   
function setPostViews($postID) {   
    $count_key = \'post_views_count\';   
    $count = get_post_meta($postID, $count_key, true);   
    if($count==\'\'){   
        $count = 0;   
        delete_post_meta($postID, $count_key);   
        add_post_meta($postID, $count_key, \'0\');   
    }else{   
        $count++;   
        update_post_meta($postID, $count_key, $count);   
    }   
}  

二、接下来将下面代码加到主题single模版主循环的中：

<?php setPostViews(get_the_ID()); ?>  

也就是类似这句的下面

<?php if (have_posts()) : while (have_posts()) : the_post(); ?>  

三、最后，将调用显示阅读次数代码加到single模版适当的位置：

<?php echo getPostViews(get_the_ID()); ?>  

如果想在其它位置显示阅读次数，可以将下面代码也加到functions模版中：

remove_action（\'wp_head\'，\'adjacent_posts_rel_link_wp_head\'，10，0）;  

代码二：

一、同样将下面代码加到主题functions模版文件中：

//postviews   
function get_post_views ($post_id) {   
    $count_key = \'views\';   
    $count = get_post_meta($post_id, $count_key, true);   
    if ($count == \'\') {   
        delete_post_meta($post_id, $count_key);   
        add_post_meta($post_id, $count_key, \'0\');   
        $count = \'0\';   
    }   
    echo number_format_i18n($count);   
}   
function set_post_views () {   
    global $post;   
    $post_id = $post -> ID;   
    $count_key = \'views\';   
    $count = get_post_meta($post_id, $count_key, true);   
    if (is_single() || is_page()) {   
        if ($count == \'\') {   
            delete_post_meta($post_id, $count_key);   
            add_post_meta($post_id, $count_key, \'0\');   
        } else {   
            update_post_meta($post_id, $count_key, $count + 1);   
        }   
    }   
}   
add_action(\'get_header\', \'set_post_views\');  

二、将调用显示阅读次数代码加到single模版适当的位置：

<?php get_post_views($post -> ID); ?> views  

调用显示阅读次数代码也可以加到其它模版文件的适当位置。

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