<form>
<label>***</label>
<select>
<option value=''>***</option>
<option value='' selected="selected">***</option>
*********
</select>
</form>
1, selected="selected"表示默认选中该项
2,<select multiple="multiple">表示多选
<form>
<label>***</label>
<select>
<option value=''>***</option>
<option value='' selected="selected">***</option>
*********
</select>
</form>
1, selected="selected"表示默认选中该项
2,<select multiple="multiple">表示多选