select optgroup 发表于 2014-07-04 由 小样儿 <select name="fid"> <optgroup label="=== 请选择文件夹 ==="> <option value="1374350" selected>/</option><option value="1374351">/Document/</option><option value="1374352">/resource/</option><option value="1374353">/tools/</option> </optgroup> </select>