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    <?php
     wp_list_categories( $args ); 
    $args = array(
     'show_option_all'  => '',//ÊÇ*ñÁгo*ÖÀaÁ´½Ó
     'orderby'      => 'name',//°´Ãu³ÆÅÅÁÐ
     'order'       => 'ASC',//Éý¡¢½µÐo
     'style'       => 'list',//ÊÇ*ñÓÃÁбi£¨ul>li£(C)
     'show_count'     => 0,//ÊÇ*ñÏÔʾÎÄÕÂÊýÁ¿
     'hide_empty'     => 1,//ÊÇ*ñÏÔʾÎÞÈÕÖ¾*ÖÀa
     'use_desc_for_title' => 1,//ÊÇ*ñÏÔʾ*ÖÀaÃeÊo
     'child_of'      => 0,//ÊÇ*ñÏÞÖÆ×Ó*ÖÀa
     'feed'        => '',//ÊÇ*ñÏÔʾrss
     'feed_type'     => '',//rssÀaÐÍ
     'feed_image'     => '',//ÊÇ*ñÏÔʾrssͼƬ
     'exclude'      => '',//Åųý*ÖÀaµÄID£¬¶a¸oÓÃ',£¨Ó¢ÎĶººÅ£(C)'*Ö¸o
     'exclude_tree'    => '',//Åųý*ÖÀaÊ÷£¬¼´¸¸*ÖÀa¼°ÆaϵÄ×Ó*ÖÀa
     'include'      => '',//°uÀ¨µÄ*ÖÀa
     'hierarchical'    => true,//ÊÇ*ñ½«×Ó¡¢¸¸*ÖÀa*Ö¼¶
     'title_li'      => __( 'Categories' ),//Áбi±eÌaµÄÃu³Æ
     'show_option_none'  => __('No categories'),//ÎÞ*ÖÀaʱÏÔʾµÄ±eÌa
     'number'       => null,//ÏÔʾ*ÖÀaµÄÊýÁ¿
     'echo'        => 1,//ÊÇ*ñÏÔʾ£¬ÏÔʾ»oÕß*µ»Ø×Ö*u´®
     'depth'       => 0,//²a¼¶ÏÞÖÆ
     'current_category'  => 0,//Ìi¼ÓÒ»¸oûÓеÄ*ÖÀa
     'pad_counts'     => 0,//Õa¸oÎÒÒ²²»Ã÷°×
     'taxonomy'      => 'category',//ʹÓõÄ*ÖÀa*¨
     'walker'       => null//ÓÃÓÚÏÔʾµÄÀa£¨ºÜ¸´ÔӵĸÅÄi£(C)
    ?>

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    pad_counts
    (boolean) Calculates link or post counts by including items from child categories. If show_counts and hierarchical are true this is automatically set to true. This parameter added at Version 2.9 Valid values:
    1 (true)
    0 (false) ¨C default

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    <ul>
    <?php wp_list_categories('orderby=name&include;=3,5,9,16'); ?> 
    </ul>

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    <ul>
    <?php wp_list_categories('include=5,9,23&title;_li=<h2>' . __('Poetry') . '</h2>' ); ?> 
    </ul>

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    <?php 
    $taxonomy   = 'genre';
    $orderby   = 'name'; 
    $show_count  = 0;   // 1 for yes, 0 for no
    $pad_counts  = 0;   // 1 for yes, 0 for no
    $hierarchical = 1;   // 1 for yes, 0 for no
    $title    = '';

    $args = array(
     'taxonomy'   => $taxonomy,
     'orderby'   => $orderby,
     'show_count'  => $show_count,
     'pad_counts'  => $pad_counts,
     'hierarchical' => $hierarchical,
     'title_li'   => $title
    );
    ?>

    <ul>
    <?php wp_list_categories( $args ); ?>
    </ul>

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