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

来源：互联网发布：暴风tv电视怎么样知乎编辑：程序博客网时间：2024/05/17 06:05

<%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