asp select下拉菜单选择图标并实时显示
静态方法:将下面的代码复制到body>~/body>内
程序代码
table cellpadding="2" width="226" cellspacing="2" border="0" >
tr>
td width="32" align="right">img id=idface src="..../../../bbs/images/icon/1.gif" alt=个人形象代表 width="32" height="32">/td>
td width="30" >font class=cha2>头像/font>/td>
td width="69">
select class=editbox1 onChange="document.images['idface'].src=options[selectedIndex].value;">
option value=../../../bbs/images/icon/1.gif selected>头像1/option>
option value=../../../bbs/images/icon/2.gif select>头像2/option>
option value=../../../bbs/images/icon/3.gif select>头像3/option>
option value=../../../bbs/images/icon/4.gif select>头像4/option>
option value=../../../bbs/images/icon/5.gif select>头像5/option>
option value=../../../bbs/images/icon/6.gif select>头像6/option>
option value=../../../bbs/images/icon/7.gif select>头像7/option>
option value=../../../bbs/images/icon/8.gif select>头像8/option>
option value=../../../bbs/images/icon/9.gif select>头像9/option>
option value=../../../bbs/images/icon/10.gif select>头像10/option>
option value=../../../bbs/images/icon/11.gif select>头像11/option>
option value=../../../bbs/images/icon/12.gif select>头像12/option>
option value=../../../bbs/images/icon/13.gif select>头像13/option>
option value=../../../bbs/images/icon/14.gif select>头像14/option>
option value=../../../bbs/images/icon/15.gif select>头像15/option>
option value=../../../bbs/images/icon/16.gif select>头像16/option>
option value=../../../bbs/images/icon/17.gif select>头像17/option>
option value=../../../bbs/images/icon/18.gif select>头像18/option>
option value=../../../bbs/images/icon/19.gif select>头像19/option>
option value=../../../bbs/images/icon/20.gif select>头像20/option>
/select>
/td>
td width="69">--> 静态/td>
/tr>
/table>
ASP数组方法:将下面的代码复制到body>~/body>内
程序代码
table cellpadding="2" width="241" cellspacing="2" border="0" >
tr>
td width="32" align="right">img id=idface1 src="..../../../bbs/images/icon/1.gif" alt=个人形象代表 width="32" height="32">/td>
td width="30" >font class=cha2>头像/font>/td>
td width="62">
select onChange="document.images['idface1'].src=options[selectedIndex].value;" class="editbox1" >
%
dim i
for i=1 to 20
%>
option select value="../../../bbs/images/icon/%=I%>.gif">头像%=I%>/option>
%
next
%>
/select>
/td>
td width="91"> --> ASP 数组 /td>
/tr>
/table>
共同点:
1、img id=idface src="1.gif"> // 都必须在默认的图片上赋一个ID号
2、select onChange="document.images['idface'].src=options[selectedIndex].value;"> // 再在下拉菜单中调用这个ID
......
/select>
不同点:
在静态的制作方法中:
程序代码
select ......>
option value=1.gif > 头像1 /option> // 直接在下拉菜单中的option选项中赋予路径
option value=2.gif > 头像2 /option>
......
/select>
--------------------------------------------------------------------------------
在ASP数组 定义方法中:
程序代码
select ......>
% dim i // 定义数组 i
for i=1 to 20 // 定义 i 的值为1~20
%>
option select value="%=I%>.gif">头像%=I%>/option> // 显示第一条选项的值
% next %> // 下一条
/select>
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