<div style="position: relative; float: left; margin-top: 40px">
                <span style="margin-left:100px;width:18px;overflow:hidden;">
                    <select style="height:26px; width:118px;margin-left:-100px" onchange="this.parentNode.nextSibling.value=http://www.mamicode.com/this.value">
                        <option value="http://www.mamicode.com/所有进度" title="souzz"> 所有进度 </option>
                        <option value="http://www.mamicode.com/进行中" title="eWebSoft"> 进行中 </option>
                        <option value="http://www.mamicode.com/已超时" title="WEB开"> 已超时 </option>
                        <option value="http://www.mamicode.com/已结案" title="souzz"> 已结案 </option>
                        <option value="http://www.mamicode.com/暂停" title="eWebSoft"> 暂停 </option>
                    </select>
                </span><input name="box" style="width:90px;position:absolute;left:0px;height:20px">
            </div>

select 可拉可选