<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Asp+Ajax边输入边显示查询结果 文本框输入提示</title>
<style type="text/css">
<!--
.keyword {width:150px; height:20px; border:#0066FF 1px solid;} /*文本框样式*/
#keytishi {width:150px; height:auto; border:#0066FF 1px solid; position:absolute; display:none;} /*提示层样式*/
#keytishi ul { margin:0;} /*提示层样式*/
#keytishi ul li {margin:0;list-style-type:none; line-height:16px; height:16px; font-size:12px; padding:2px;} /*提示层样式*/
#keytishi ul li a {display:block; width:150px; height:16px; text-decoration:none;} /*提示层样式*/
#keytishi ul li a:hover {background-color:#0099FF;} /*提示层样式*/
-->
</style>
<script type="text/javascript">
//建立XMLHttpRequest对象
var xmlhttp;
try
{
xmlhttp= new ActiveXObject('Msxml2.XMLHTTP');
}
catch(e)
{
try
{
xmlhttp= new ActiveXObject('Microsoft.XMLHTTP');
}
catch(e)
{
try
{
xmlhttp= new XMLHttpRequest();
}
catch(e){}
}
}
function getKeyWord()
{
var obj = document.getElementById("search"); //获取文本域对象
var top=0;
var left=0;
while(obj)
{
//此循环得到文件域对象在页面中的绝对位置
top += obj["offsetTop"];
left += obj["offsetLeft"];
obj = obj.offsetParent;
}
xmlhttp.open("get","ajax.aspx?keyword="+encodeURIComponent(document.getElementById("search").value),true);
xmlhttp.onreadystatechange = function()
{
if(xmlhttp.readyState == 4)
{
if(xmlhttp.status == 200)
{
if(xmlhttp.responseText!="")
{
document.getElementById("keytishi").innerHTML = unescape(xmlhttp.responseText); //把后台返回的数据提示层
document.getElementById("keytishi").style.left = left + "px"; //设置提示层的位置,左
document.getElementById("keytishi").style.top = (top + 25) + "px"; //设置提示层的位置,上
document.getElementById("keytishi").style.display = "block"; //设置提示层可见
}
else
{
document.getElementById("keytishi").innerHTML = ""; //清空提示层
document.getElementById("keytishi").style.display = "none"; //设置提示层不可见
}
}
else
{
}
}
}
xmlhttp.setRequestHeader("If-Modified-Since","0");
xmlhttp.send(null);
}
function input(str)
{
document.getElementById("search").value=str; //从提示层选择你需要的数据填充到文本框
document.getElementById("keytishi").innerHTML = ""; //清空提示层
document.getElementById("keytishi").style.display = "none"; //设置提示层不可见
}
</script>
</head>
<body>
<form action="#" method="post" name="myform" id="myform">
<input type="text" class="keyword" id="search" name="search" onkeyup="getKeyWord();" onclick="getKeyWord();"/>
<div id="keytishi"></div>
<!--提示层-->
测试字符：1 2 3 4 5 a b 工 工作
</form>
</body>
</html>
- 1
- 2
前往页