织梦CMS如何实现按栏目分类进行搜索

基础代码如下：

1. <form action="{dede:field name='phpurl'/}/search.php" name="formsearch">
2. <div class="form">
3. <input type="hidden" name="kwtype" value="0" />
4. <input type="hidden" name="searchtype" value="titlekeyword" />
5. <input name="keyword" type="text" id="search-keyword" />
6. <select name="typeid" id="typeid">
7. <option value='0' selected='1'>全部栏目</option>
8. {dede:channelartlist typeid='top' }
9. {dede:type} <option value='[field:id/]'>[field:typename/]</option>{/dede:type}
10. {dede:channel type='son' noself='yes'}
11. <option value='[field:id/]'>-[field:typename/]</option>
12. {/dede:channel}
13. {/dede:channelartlist}
14. </select><button type="submit">搜索</button>
15. </div>
16. </form>