Question

关于ASP多条件搜索功能的实现

是个二级菜单的搜索功能
比如一级表单里面有 1 2 3 4 四个选项，选中1以后二级表单是1的分类；选中2后，二级表单是2的分类。。。。。。请问这个功能如何实现？答案正确还有加分！谢谢

Answer 1

二级菜单喽.

选中某项后.利用js把值传过去.然后把该项的分类找出来添加到二级里.

可以用ajax实现.也可以直接用js+程序实现.用ajax简单.

Answer 2

这有个笨却简单方法.你复制过去就行了.

双击主菜单出一级菜单,单击主菜单收一级菜单.鼠标放在一级的哪个上,二级就显示哪个.
<style type="text/css">
<!--
#Layer1 {
position:absolute;
left:103px;
top:17px;
width:97px;
height:102px;
z-index:1;
}
#Layer2 {
position:absolute;
left:202px;
top:17px;
width:113px;
height:111px;
z-index:2;
}
-->
</style>
<script type="text/JavaScript">
<!--
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
obj.visibility=v; }
}

function MM_setTextOfLayer(objName,x,newText) { //v4.01
if ((obj=MM_findObj(objName))!=null) with (obj)
if (document.layers) {document.write(unescape(newText)); document.close();}
else innerHTML = unescape(newText);
}
//-->
</script>
<div id="Layer1" onMouseMove="MM_showHideLayers('Layer2','','show')">
<p onMouseOver="MM_setTextOfLayer('Layer2','','<p>1.1</p>\n<p>1.2</p>\n<p>1.3</p>\n<p>1.4</p>')">1.ff</p>
<p onMouseOver="MM_setTextOfLayer('Layer2','','<p>2.1</p>\n<p>2.2</p>\n<p>2.3</p>\n<p>2.4</p>')">2.dd</p>
<p onMouseOver="MM_setTextOfLayer('Layer2','','<p>3.1</p>\n<p>3.2</p>\n<p>3.3</p>\n<p>3.4</p>')">3.ee</p>
<p onMouseOver="MM_setTextOfLayer('Layer2','','<p>4.1</p>\n<p>4.2</p>\n<p>4.3</p>\n<p>4.4</p>')">4.tt</p>
</div>
<div id="Layer2">
<p> </p>
</div>
<table width="92" border="0" cellpadding="0" cellspacing="0">
<!--DWLayoutTable-->
<tr>
<td width="92" height="33" valign="top" onClick="MM_showHideLayers('Layer1','','hide')" onDblClick="MM_showHideLayers('Layer1','','show')" onmousemove="MM_showHideLayers('Layer2','','hide')">主菜单</td>
</tr>

</table>