下拉選單(drop-down menu)簡單範例
<div id="item">
<label style="font-weight:bold;"下拉選單：</label>
<select name="tool_type" style="cursor:pointer;" class="selectpicker ml-1 mb-2" data-width="100px">
<option value="1">選項1</option>
<option value="2">選項2</option>
<option value="3">選項3</option>
<option value="4">選項4</option>
</select><br>
</div>