html代码 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>jQuery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{
	/* 用户输入框的样式 */
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px; border:1px solid #000000;
	width:200px; padding:1px; margin:0px;
}
#popup{
	/* 提示框div块的样式 */
	position:absolute; width:202px;
	color:#004a7e; font-size:12px;
	font-family:Arial, Helvetica, sans-serif;
	left:41px; top:25px;
}
#popup.show{
	/* 显示提示框的边框 */	
	border:1px solid #004a7e;
}
/* 提示框的样式风格 */
ul{
	list-style:none;
	margin:0px; padding:0px;
	color:#004a7e;
}
li.mouseOver{
	background-color:#004a7e;
	color:#FFFFFF;
}
-->
</style>

<script language="javascript" src="jquery.min.js"></script>
<script laguange="javascript">
function setColor(the_colors)
{
var a=the_colors.split(",");
$("#popup").addClass("show");
$("#colors_ul").empty();
for(var i=0;i<a.length;i++)
$(colors_ul).append("<li>"+a[i]+"</li>");

$("#colors_ul").find("li").click(function(){
$("#colors").val($(this).text());
$("#colors_ul").empty();
$("#popup").removeClass();
});

$("#colors_ul").find("li").hover(function(){$(this).addClass("mouseOver")},function(){$(this).removeClass("mouseOver")});

}

function createQueryString()
{
var color = $("#colors").val();
var queryString = {color:color};
return queryString;
}


function findColors()
{

$.get("http://127.0.0.1:8080/sjb/test.jsp",createQueryString(),function(data){
setColor(data);
});

}


</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>

jsp代码 


<%
String color=request.getParameter("color");

String[] aColors = new String[]{"aliceblue","antiquewith","aquamarine","azure","beige","bisque","black","blanchedalmond","blue","blueviolet","brass","bronze","brown","burlywood","cadetblue","chartreuse","chocolate","copper","coral","cornfloewrblue","cornsilk","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkhaki","darkmagenta","darkolivegreen","darkorchid","darkorenge","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dodgerblue","feldspar","firebrick","floralwhite","forestgreen","fuchsia","gainsboro","gold","goldenrod","golenrod","gostwhite","gray","green","greenyellow","honeydew","hotpink","indianred","inen","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgodenrod","lightgodenrodyellow","lightgray","lightgreen","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslateblue","lightslategray","lightsteelblue","lightyellow","lime","limegreen","magenta","magenta","maroom","maroon","mediumaquamarine","mediumblue","mediumorchid","mediumpurpul","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","navy","navyblue","oldlace","olivedrab","orange","orchid","orengered","palegodenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","purple","quartz","red","rosybrown","royalblue","saddlebrown","salmon","sandybrown","scarlet","seagreen","seashell","sienna","silver","skyblue","slategray","snow","springgreen","steelblue","tan","thistle","tomato","turquoise","violet","violetred","wheat","whitesmoke","yellow","yellowgreen"};
String returnColor="";
for(int i=0;i<aColors.length;i++)
{
if(aColors[i].indexOf(color)==0)
returnColor=returnColor+aColors[i]+",";
}
if(!returnColor.equals(""))
out.println(returnColor.substring(0,returnColor.length()-1));
%>