可输入模糊查询功能的下拉菜单

http://blog.csdn.net/sandyxxx/archive/2008/02/03/2079690.aspx
参考下吧

谢谢楼上的两位
to-varlj:能否贴个例子出来呀？谢谢了
to-sy_binbin:能否麻烦你把第2段详细解释下？谢谢了

用Ajax可以实现，我现在正在做呢，过两天我给你源代码啊

哪个第2段？？查询数据库那段？？就是模糊搜索，生成XML格式的数据！

对，就是第2段的哦
AJAX我不会呀

不会就学啊AJAX最主要的东西不在你说的第2段里在第一段里的那些JS代码里呢

不需要用AJAX也可以实现，前2天我刚做过此效果，呵
不过我是先将所有数据读取出来，然后再根据输入去筛选的完整代码如下，直接保存为HTML运行即可出效果了：
<HTML>
<HEAD>
<META http-equiv='Content-Type' content='text/html; charset=gb2312'>
<TITLE>可输入的下拉框</TITLE>   </HEAD>
<BODY >
  <Script Language="Javascript">
var j = 0;
function SelectValue(obj)
{
var input = obj.parentNode.nextSibling;
document.all.box2.value = obj.options[obj.selectedIndex].text;
document.getElementById("txtSection").value=obj.options[obj.selectedIndex].value;
alert(document.getElementById("txtSection").value);
}function InputValue(obj)
{
var n = 1;
var tmpObj;
var src = document.all.SelectOption;
var msg = document.all.msg;
if(event.keyCode != 40 && event.keyCode != 38 && event.keyCode != 13){
if(obj.value!=""){
msg.style.display="";
msg.innerHTML="";
if(msg.hasChildNodes())
{
msg.childNodes[0].parentNode.removeChild(msg.childNodes[0]);
}

for (var i=0;i<src.length;i++){
   var selValue = document.createElement("div");
   var selText = document.createElement("div");
   selText.value = src(i).value;
   selText.innerHTML = src(i).text;       if (src(i).text.toLowerCase().indexOf(obj.value.toLowerCase())==0){
selText.setAttribute("id","selText"+n);
selText.onmouseover=function (){
this.style.backgroundColor='#003399';
this.style.color ='#ffffff';
   }
   selText.onmouseout=function (){
this.style.backgroundColor='#ffffff';
this.style.color ='#000000';
   }
   selText.onclick=function (){
document.all.box2.value = this.innerHTML;
msg.style.display="none";
document.getElementById("txtSection").value=this.value;
   }
msg.appendChild(selText);
n++;
   }
}
}
else {
document.all.msg.style.display="none";
}
}
else {
//press down key
if(event.keyCode==40){
j++;
for (var i=0; i<src.length; i++)
{
tmpObj = document.getElementById("selText"+i);
if(tmpObj != null){
tmpObj.style.backgroundColor='#ffffff';
tmpObj.style.color ='#000000';
}
}
tmpObj = document.getElementById("selText"+j);
if(tmpObj != null){
tmpObj.style.backgroundColor='#003399';
tmpObj.style.color ='#ffffff';
}else{
j = 0;
}
}
//press up key
if (event.keyCode==38){
j--;
for (var i=0; i<src.length; i++)
{
tmpObj = document.getElementById("selText"+i);
if(tmpObj != null){
tmpObj.style.backgroundColor='#ffffff';
tmpObj.style.color ='#000000';
}
}
tmpObj = document.getElementById("selText"+j);
if(tmpObj != null){
tmpObj.style.backgroundColor='#003399';
tmpObj.style.color ='#ffffff';
}else{
j = 2;
}
}
//press enter key
if (event.keyCode==13){
tmpObj = document.getElementById("selText"+j);
document.all.box2.value = tmpObj.innerHTML;
msg.style.display="none";
document.getElementById("txtSection").value=tmpObj.value;
}
}
}function SelMatch(src)
{
var currSel = document.all.box2.value;
for (var i=0;i<src.length;i++){
if (src(i).text==currSel)
{
src.options(i).selected = true;
}
}
}function NoMsg()
{
if(document.activeElement.id=="msg")
return false;
else
document.all.msg.style.display='none';
}
  </Script>
<TABLE border=0 cellPadding=1 cellSpacing=0 width="100%">
    <TR>
      <TD width="24%"><font face="Arial" size="2">Section</font></TD>
      <TD COLSPAN=3 width="76%"> <div style="position:relative;">
<span style="margin-left:230px;width:18px;overflow:hidden;">  <select style="HEIGHT: 22px; WIDTH: 250px; margin-left:-232px;" onchange="SelectValue(this)" onclick="SelMatch(this)"  id="SelectOption" name="SelectOption" >
  <OPTION value='ALL' Selected>ALL</OPTION>
<OPTION value='0TEST1'>0TEST1 = Testing 1
<OPTION value='0TEST1'>0TEST2 = Testing 1
<OPTION value='0TEST1'>0TEST3 = Testing 1
<OPTION value='SECTION'>SECTION = Section Description XXXXX AAA
</OPTION>
</select></span>
<input name="box2" id="box2" style="width:230px;position:absolute;left:0px;" onkeyup="InputValue(this)"  onblur="NoMsg()" onfocus="this.select();InputValue(this)" value="0" >
<div id="msg" style="border:1px  solid green;  font-size :14PX;white-space:nowrap;overflow:hidden;
width:230px;position:absolute;left:0px;top:20px;display:none"></div>
</div> <Input Type="Hidden" Name="txtSection" id="txtSection">
      </TD>
    </TR>
</TABLE>
<p></BODY></HTML>

哎！用winsongoog的加进去后和这个页面里的选项卡不兼容呀

调试易

可输入模糊查询功能的下拉菜单

解决方案 »