方法一

<select name="category">
<option ${prod.category=="手機(jī)數(shù)碼"?"selected='selected'":""}>手機(jī)數(shù)碼</option>
<option ${prod.category=="電腦平板"?"selected='selected'":""}>電腦平板</option>
<option ${prod.category=="家用電器"?"selected='selected'":""}>家用電器</option>
<option ${prod.category=="汽車用品"?"selected='selected'":""}>汽車用品</option>
<option ${prod.category=="食品飲料"?"selected='selected'":""}>食品飲料</option>
<option ${prod.category=="圖書雜志"?"selected='selected'":""}>圖書雜志</option>
<option ${prod.category=="服裝服飾"?"selected='selected'":""}>服裝服飾</option>
<option ${prod.category=="理財產(chǎn)品"?"selected='selected'":""}>理財產(chǎn)品</option>
</select>

方法二

<script src="${app}/js/jquery-1.4.2.js"></script>
<script type="text/javascript">
$(function(){
    //1.獲取商品分類
    var category=$("#category").attr("data");
    $("option:contains('"+category+"')").attr("selected",true);
});
</script>

<select name="category" id="category" data="${prod.category}">
<option>手機(jī)數(shù)碼</option>
<option>電腦平板</option>
<option>家用電器</option>
<option>汽車用品</option>
<option>食品飲料</option>
<option>圖書雜志</option>
<option>服裝服飾</option>
<option>理財產(chǎn)品</option>
</select>
```、