非插件统计文章浏览次数
1.在主题的 functions.php文件的最后一个 ?> 前面添加下面的代码：
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/* 访问计数 */
function
record_visitors(){
if
(is_singular())
{
global
$post
;
$post_ID
=
$post
->ID;
if
(
$post_ID
)
{
$post_views
= (int)get_post_meta(
$post_ID
,
'views'
, true);
if
(!update_post_meta(
$post_ID
,
'views'
, (
$post_views
+1)))
{
add_post_meta(
$post_ID
,
'views'
, 1, true);
}
}
}}add_action(
'wp_head'
,
'record_visitors'
);
/// 函数名称：post_views/// 函数作用：取得文章的阅读次数function post_views($before = '(点击 ', $after = ' 次)', $echo = 1){
global
$post
;
$post_ID
=
$post
->ID;
$views
= (int)get_post_meta(
$post_ID
,
'views'
, true);
if
(
$echo
)
echo
$before
, number_format(
$views
),
$after
;
else
return
$views
;}
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2.在需要显示该统计次数的地方使用下面的代码调用：
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阅读：<?php post_views(
' '
,
' 次'
); ?>
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获取浏览次数最多的文章
如果要获取上面的函数统计出来的浏览次数最多的文章，可以在 functions.php文件的最后一个 ?> 前面添加下面的代码：
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/// get_most_viewed_format/// 函数作用：取得阅读最多的文章function get_most_viewed_format($mode = '', $limit = 10, $show_date = 0, $term_id = 0, $beforetitle= '(', $aftertitle = ')', $beforedate= '(', $afterdate = ')', $beforecount= '(', $aftercount = ')') {
global
$wpdb
,
$post
;
$output
=
''
;
$mode
= (
$mode
==
''
) ?
'post'
:
$mode
;
$type_sql
= (
$mode
!=
'both'
) ?
"AND post_type='$mode'"
:
''
;
$term_sql
= (
is_array
(
$term_id
)) ?
"AND $wpdb->term_taxonomy.term_id IN ("
. join(
','
,
$term_id
) .
')'
: (
$term_id
!= 0 ?
"AND $wpdb->term_taxonomy.term_id = $term_id"
:
''
);
$term_sql
.=
$term_id
?
" AND $wpdb->term_taxonomy.taxonomy != 'link_category'"
:
''
;
$inr_join
=
$term_id
?
"INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id)"
:
''
;
// database query
$most_viewed
=
$wpdb
->get_results(
"SELECT ID, post_date, post_title, (meta_value+0) AS views FROM $wpdb->posts LEFT JOIN $wpdb->postmeta ON ($wpdb->posts.ID = $wpdb->postmeta.post_id) $inr_join WHERE post_status = 'publish' AND post_password = '' $term_sql $type_sql AND meta_key = 'views' GROUP BY ID ORDER BY views DESC LIMIT $limit"
);
if
(
$most_viewed
) {
foreach
(
$most_viewed
as
$viewed
) {
$post_ID
=
$viewed
->ID;
$post_views
= number_format(
$viewed
->views);
$post_title
= esc_attr(
$viewed
->post_title);
$get_permalink
= esc_attr(get_permalink(
$post_ID
));
$output
.=
"<li>$beforetitle$post_title$aftertitle"
;
if
(
$show_date
) {
$posted
=
date
(get_option(
'date_format'
),
strtotime
(
$viewed
->post_date));
$output
.=
"$beforedate $posted $afterdate"
;
}
$output
.=
"$beforecount $post_views $aftercount</li>"
;
}
}
else
{
$output
=
"<li>N/A</li>n"
;
}
echo
$output
;}
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然后使用下面的函数调用：
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<?php get_most_viewed_format(); ?>
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本文转自 IT阿飞 51CTO博客，原文链接:http://blog.51cto.com/itafei/1886331
