织梦dedecms自带搜索实现全文检索的方法

<form action="{dede:field name='phpurl'/}/search.php" name="formsearch">   <div class="form">   <h4>搜索</h4>   <input type="hidden" name="kwtype" value="0" />   <input name="keyword" type="text" class="search-keyword" id="search-keyword" />   <select name="searchtype" class="search-option" id="search-option">   <option value="titlekeyword" selected='1'>智能模糊搜索</option>   <option value="title">仅搜索标题</option>   </select>   <button type="submit" class="search-submit">搜索</button>   </div>   </form>

<form action="/plus/advancedsearch.php" method="post">   <div class="form">   <h4>搜索</h4>   <input type="hidden" name="mid" value="1" />   <input type="hidden" name="dopost" value="search" />   关键词：<input type="text" name="q" /> <input type="submit" name="submit" value="开始全文搜索" /></div>   </form> 。