select动态设置默认选中：数据回显

方法一

<select name="category">
<option ${prod.category=="手机数码"?"selected='selected'":""}>手机数码</option>
<option ${prod.category=="电脑平板"?"selected='selected'":""}>电脑平板</option>
<option ${prod.category=="家用电器"?"selected='selected'":""}>家用电器</option>
<option ${prod.category=="汽车用品"?"selected='selected'":""}>汽车用品</option>
<option ${prod.category=="食品饮料"?"selected='selected'":""}>食品饮料</option>
<option ${prod.category=="图书杂志"?"selected='selected'":""}>图书杂志</option>
<option ${prod.category=="服装服饰"?"selected='selected'":""}>服装服饰</option>
<option ${prod.category=="理财产品"?"selected='selected'":""}>理财产品</option>
</select>

方法二

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

<select name="category" id="category" data="${prod.category}">
<option>手机数码</option>
<option>电脑平板</option>
<option>家用电器</option>
<option>汽车用品</option>
<option>食品饮料</option>
<option>图书杂志</option>
<option>服装服饰</option>
<option>理财产品</option>
</select>
```、