dedecms织梦模板后台自定义表单添加搜索功能的教程

<div class="bodytitletxt" style="padding-left:10px;">    <form name='form1' action="diy_list.php">        <input type='hidden' name='action' value='list' />        <input type='hidden' name='diyid' value='<?php echo $diy->diyid; ?>'/>        关键字：        <input type='text' name='keyword' size='20' value="<?php echo $keyword; ?>" />        <select name="field">        <?php            foreach($fieldlist as $k=>$fielddata)