先在functions裡寫好函數再到佈景裡調用，這樣在佈景裡看到的函數就不會感覺亂亂的，往後比較好修改，
隨機文章：
前台呼叫語法：
<?php s_random_lists(); ?>
以下內容加入functions.php
<?php
function s_random_lists($num_limit = 5 , $exclude = "" , $date_limit = "" , $echo = true , $list = true){
$out = "";
if ( $num_limit < 1 ) $num_limit = "-1";
if ( !$date_limit_ts = strtotime($date_limit) ) $date_limit = false;
if ( !$date_limit ){
$posts = get_posts('offset=0&numberposts='.$num_limit.'&exclude='.$exclude.'&orderby=rand');
} else {
$posts = get_posts('offset=0&numberposts=-1&exclude='.$exclude.'&orderby=rand');
}
$postscount = count($posts);
if ( $num_limit < 1 ) $num_limit = $postscount;
if ( $postscount < $num_limit ) $num_limit = $postscount ;
for ( $i = 0 ; $i < $num_limit ; $i++ ){
if ( !$date_limit or $date_limit_ts < strtotime( $posts[$i]->post_date )){
if ( $list ) $out.= '<li class="random-post-link">'."\n";
$out.= '<a href="'.get_permalink($posts[$i]->ID).'" title="'.$posts[$i]->post_title.'">'.$posts[$i]->post_title.'</a>'."\n";
if ( $list ) $out.= '</li>'."\n";
}else{
if ( $postscount > $num_limit ) $num_limit++;
}
}
if ( $list ) $out = '<ul class="random-post-link">'."\n".$out.'</ul>'."\n";
if ( $echo ){
echo $out;
} else {
return $out;
}
}
?>
顯示文章數量設定：$num_limit = 5 ，修改為要顯示的數量即可。
相關文章：
前台呼叫：
<?php s_related_posts(); ?>
以下內容加入functions.php
<?php
function srelated_posts($before_title="",$after_title="") {
global $wpdb, $post,$table_prefix;
if(!$post->ID){return;}
$now = current_time('mysql', 1);
$tags = wp_get_post_tags($post->ID);
$taglist = "'" . $tags[0]->term_id. "'";
$tagcount = count($tags);
if ($tagcount > 1) {
for ($i = 1; $i < $tagcount; $i++) {
$taglist = $taglist . ", '" . $tags[$i]->term_id . "'";
}
}
$limitclause = "LIMIT 5";
$q = "SELECT p.ID, p.post_title, p.post_content,p.post_excerpt, p.post_date, p.comment_count, count(t_r.object_id) as cnt FROM $wpdb->term_taxonomy t_t, $wpdb->term_relationships t_r, $wpdb->posts p WHERE t_t.taxonomy ='post_tag' AND t_t.term_taxonomy_id = t_r.term_taxonomy_id AND t_r.object_id = p.ID AND (t_t.term_id IN ($taglist)) AND p.ID != $post->ID AND p.post_status = 'publish' AND p.post_date_gmt < '$now' GROUP BY t_r.object_id ORDER BY cnt DESC, p.post_date_gmt DESC $limitclause;";
$related_posts = $wpdb->get_results($q);
foreach ($related_posts as $related_post ){
$output .= '<li><a href="'.get_permalink($related_post->ID).'" title="'.wptexturize($related_post->post_title).'">'.wptexturize($related_post->post_title).'</a></li>';
}
$output = '<ul class="related_post">' . $output . '</ul>';
return $output;
}
function s_related_posts(){
$output = srelated_posts() ;
echo $output;
}
?>
顯示文章數量設定：
$limitclause = "LIMIT 5";，修改為要顯示的數量即可。
文章分頁：
前台呼叫：
<div id="spagenavi"><?php s_pagenavi(); ?></div>
CSS部份(style.css)：
#paviinfo{border: 3px double #bfbfbf;padding:2px 5px;margin:0 2px;float:left;text-align:center;}
#spagenavi{float:right;font-size:13px;font-family:Arial;display:inline-block;}
#spagenavi a{color: #333;float:left;padding:2px 5px;border: 3px double #bfbfbf;margin:0 2px;text-decoration:none;}
#spagenavi a:hover{border-color: #BA0000;}
#spagenavi a.current{border-color: #0075b8;}
以下內容加入functions.php
<?php
function s_pagenavi($range = 6){
global $paged, $wp_query;
if ( !$max_page ) {
$max_page = $wp_query->max_num_pages;
}
if($max_page > 1){
if(!$paged){
$paged = 1;
}
echo '<div id="paviinfo">文章頁次'.$paged.'/'.$max_page.'</div>';
if($paged != 1){
echo "<a href='" . get_pagenum_link(1) . "' class='extend' title='首頁'>首頁</a>";
}
previous_posts_link(' « ');
if($max_page > $range){
if($paged < $range){
for($i = 1; $i <= ($range + 1); $i++){
echo "<a title=".'"第'.$i.'頁"'. "href='" . get_pagenum_link($i) ."'";
if($i==$paged) echo " class='current'";
echo ">$i</a>";
}
}
elseif($paged >= ($max_page - ceil(($range/2)))){
for($i = $max_page - $range; $i <= $max_page; $i++){
echo "<a title=".'"第'.$i.'頁"'. "href='" . get_pagenum_link($i) ."'";
if($i==$paged) echo " class='current'";
echo ">$i</a>";
}
}
elseif($paged >= $range && $paged < ($max_page - ceil(($range/2)))){
for($i = ($paged - ceil($range/2)); $i <= ($paged + ceil(($range/2))); $i++){
echo "<a title=".'"第'.$i.'頁"'. "href='" . get_pagenum_link($i) ."'";
if($i==$paged) echo " class='current'";
echo ">$i</a>";
}
}
}
else{
for($i = 1; $i <= $max_page; $i++){
echo "<a title=".'"第'.$i.'頁"'. "href='" . get_pagenum_link($i) ."'";
if($i==$paged) echo " class='current'";
echo ">$i</a>";
}
}
next_posts_link(' » ');
if($paged != $max_page){
echo "<a href='" . get_pagenum_link($max_page) . "' class='extend' title='最後一頁'>最後一頁</a>";
}
}
}
?>
