在jsp里选择下拉列表的值后，刷新页面默认显示选择后的值

<%String age=String.valueOf(request.getAttribute("age")); %>

<%String
age2=String.valueOf(request.getAttribute("age2")); %>

年龄段:

<select
name="age" id="age">

<option
value="35" <%="35".equals(age)?"selected":"" %> >35</option>

<option
value="36" <%="36".equals(age)?"selected":"" %> >36</option>

<option
value="37" <%="37".equals(age)?"selected":"" %> >37</option>

<option
value="38" <%="38".equals(age)?"selected":"" %> >38</option>

<option
value="39" <%="39".equals(age)?"selected":"" %> >39</option>

<option
value="40" <%="40".equals(age)?"selected":"" %> >40</option>

<option
value="41" <%="41".equals(age)?"selected":"" %> >41</option>

<option
value="42" <%="42".equals(age)?"selected":"" %> >42</option>

<option
value="43" <%="43".equals(age)?"selected":"" %> >43</option>

<option
value="44" <%="44".equals(age)?"selected":"" %> >44</option>

</select>

岁~

<select
name="age2" id="age2">

<option
value="35" <%="35".equals(age2)?"selected":"" %>>35</option>

<option
value="36" <%="36".equals(age2)?"selected":"" %>>36</option>

<option
value="37" <%="37".equals(age2)?"selected":"" %>>37</option>

<option
value="38" <%="38".equals(age2)?"selected":"" %>>38</option>

<option
value="39" <%="39".equals(age2)?"selected":"" %>>39</option>

<option
value="40" <%="40".equals(age2)?"selected":"" %>>40</option>

<option
value="41" <%="41".equals(age2)?"selected":"" %>>41</option>

<option
value="42" <%="42".equals(age2)?"selected":"" %>>42</option>

</select>岁