模版文件function中添加

    function replace_text_wps($text){  
        $replace = array(  
            '字段1' => '<a href="http://url.com/" rel="bookmark" title="标题说明">字段</a>',  
            '字段2' => '<a href="http://url.com/" rel="bookmark" title="标题说明">字段2</a>',  
            '关键词' => '<a href="http://url.com/" rel="bookmark" title="说明">关键词</a>'  
        );  
        $text = str_replace(array_keys($replace), $replace, $text);  
        return $text;  
    }  
      
    add_filter('the_content', 'replace_text_wps');