修改时弹出的界面下拉列表显示信息与之前的信息保持一致

<div class="layui-form-item">
<label class="layui-form-label">公司信息</label>
<div class="layui-input-block">
<select name="companyid" lay-verify="" lay-search>

<c:forEach items="${listcompanys}" var="company">
<c:choose>
<c:when test="${company.companyid==goodsinfo.companyid}">
<option selected="selected" value="${company.companyid }">${company.companyname}</option>
</c:when>
<c:otherwise>
<option value="${company.companyid }">${company.companyname}</option>
</c:otherwise>
</c:choose>
</c:forEach>

</select>
</div>