JSP默认选中下拉框的某一项

<select id="salesInventory_${s.index}" style="width: 98%;">
<option value="">-请选择-</option>
<c:forEach var="salesInventory" items="${salesInventoryList}">
<option value="${salesInventory.propertyCode}"
<c:if test="${salesInventory.propertyValue=='备件库存'}">selected</c:if>>${salesInventory.propertyValue}
</option>
</c:forEach>
</select>

<td style="vertical-align:middle" align="right" width="10%"><label><span class="redmark">*</span>所属客户：</label></td>
<td style="vertical-align:middle" align="left" width="20%">
<select name="baseBusinessOrg" style="width:95%">
<option value="">--请选择--</option>
<c:forEach var="customerBelonged" items="${customerBelongedList}">
<option value="${customerBelonged.id}"
<c:if test="${warehouseInfo.baseBusinessOrg.id==customerBelonged.id}"> selected</c:if>><c:out value="${customerBelonged.customerName}"/></option>
</c:forEach>
</select>
</td>