wordpress上一页下一页无插件分页函数实例

if ( !function_exists('pagenavi') ) {
function pagenavi( $p = 5 ) { // 取当前页前后各 2 页
if ( is_singular() ) return; // 文章与插页不用
global $wp_query, $paged;
$max_page = $wp_query->max_num_pages;
if ( $max_page == 1 ) return; // 只有一页不用
if ( emptyempty( $paged ) ) $paged = 1;
echo '<span class="pages">Page: ' . $paged . ' of ' . $max_page . ' </span> '; // 显示页数
if ( $paged > 1 ) p_link( $paged - 1, '上一页', '« Previous' );/* 如果当前页大于1就显示上一页链接 */
if ( $paged > $p + 1 ) p_link( 1, '最前页' );
if ( $paged > $p + 2 ) echo '... ';
for( $i = $paged - $p; $i <= $paged + $p; $i++ ) { // 中间页
if ( $i > 0 && $i <= $max_page ) $i == $paged ? print "<span class='page-numbers current'>{$i}</span> " : p_link( $i );
}
if ( $paged < $max_page - $p - 1 ) echo '... ';
if ( $paged < $max_page - $p ) p_link( $max_page, '最后页' );
if ( $paged < $max_page ) p_link( $paged + 1,'下一页', 'Next »' );/* 如果当前页不是最后一页显示下一页链接 */
}
function p_link( $i, $title = '', $linktype = '' ) {
if ( $title == '' ) $title = "第 {$i} 页";
if ( $linktype == '' ) { $linktext = $i; } else { $linktext = $linktype; }
echo "<a class='page-numbers' href='", esc_html( get_pagenum_link( $i ) ), "' title='{$title}'>{$linktext}</a> ";
}
}

if ( !function_exists('pagenavi') ) {
function pagenavi( ) {
if ( is_singular() ) return; // 文章与插页不用
global $wp_query, $paged;
$max_page = $wp_query->max_num_pages;
if ( emptyempty( $paged ) ) $paged = 1;
if ( $paged > 1 ) p_linkp( $paged - 1, '上一页' );/* 如果当前页大于1就显示上一页链接 */
if ( $paged == 1 ) p_linkp1( $paged );/* 如果当前页等于1就显示灰色链接 */
if ( $paged < $max_page ) p_linkn( $paged + 1,'下一页' );/* 如果当前页不是最后一页显示下一页链接 */
if ( $paged == $max_page ) p_linkp0( $paged );/* 如果当前页等于最后一页显示灰色链接 */
}
function p_linkp( $i, $title = '', $linktype = '' ) {
echo "<div class='pre-page page'><a href='", esc_html( get_pagenum_link( $i ) ), "' title='{$title}'>{$linktext}</a></div> ";
}
function p_linkn( $i, $title = '', $linktype = '' ) {
echo "<div class='next-page page'><a href='", esc_html( get_pagenum_link( $i ) ), "' title='{$title}'>{$linktext}</a></div> ";
}
function p_linkp0() {
echo "<div class='pre-page page nav0'></a></div> ";
}
function p_linkp1() {
echo "<div class='pre-page page nav1'></a></div> ";
}
}