<html>
<head>
<title>Ajax实现自动提示的文本框</title>
<style>
<!--
body{
font-family:Arial, Helvetica, sans-serif;
font-size:12px; padding:0px; margin:5px;
}
form{padding:0px; margin:0px;}
input{
font-family:Arial, Helvetica, sans-serif;
font-size:12px; border:1px solid #000000;
200px; padding:1px; margin:0px;
}
#popup{
position:absolute; 202px;
color:#004a7e; font-size:12px;
font-family:Arial, Helvetica, sans-serif;
left:41px; top:25px;
}
#popup.show{
border:1px solid #004a7e;
}
#popup.hide{
border:none;
}
ul{
list-style:none;
margin:0px; padding:0px;
}
li.mouseOver{
background-color:#004a7e;
color:#FFFFFF;
}
li.mouseOut{
background-color:#FFFFFF;
color:#004a7e;
}
-->
</style>
<script language="javascript">
var oInputField;
var oPopDiv;
var oColorsUl;
var xmlHttp;
function createXMLHttpRequest(){
if(window.ActiveXObject)
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
else if(window.XMLHttpRequest)
xmlHttp = new XMLHttpRequest();
}
function initVars(){
oInputField = document.forms["myForm1"].colors;
oPopDiv = document.getElementById("popup");
oColorsUl = document.getElementById("colors_ul");
}
function clearColors(){
for(var i=oColorsUl.childNodes.length-1;i>=0;i--)
oColorsUl.removeChild(oColorsUl.childNodes[i]);
oPopDiv.className = "hide";
}
function setColors(the_colors){
clearColors();
oPopDiv.className = "show";
var oLi;
for(var i=0;i<the_colors.length;i++){
oLi = document.createElement("li");
oColorsUl.appendChild(oLi);
oLi.appendChild(document.createTextNode(the_colors[i]));
oLi.onmouseover = function(){
this.className = "mouseOver";
}
oLi.onmouseout = function(){
this.className = "mouseOut";
}
oLi.onclick = function(){
oInputField.value = this.firstChild.nodeValue;
clearColors();
}
}
}
function findColors(){
initVars();
if(oInputField.value.length > 0){
createXMLHttpRequest();
var sUrl = "9-10.aspx?sColor=" + oInputField.value + "×tamp=" + new Date().getTime();
xmlHttp.open("GET",sUrl,true);
xmlHttp.onreadystatechange = function(){
if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
var aResult = new Array();
if(xmlHttp.responseText.length){
aResult = xmlHttp.responseText.split(",");
setColors(aResult);
}
else
clearColors();
}
}
xmlHttp.send(null);
}
else
clearColors();
}
</script>
</head>
<body>
<form method="post" name="myForm1">
Color: <input type="text" name="colors" id="colors" onkeyup="findColors();" />
</form>
<div id="popup">
<ul id="colors_ul"></ul>
</div>
</body>
</html>