ajax+php 谷歌搜索框自动填充功能 实例代码

html>
head>
script language="javascript">!--
var http_request;
function update(v){
if (window.XMLHttpRequest) { // Mozilla, Safari, ...
http_request = new XMLHttpRequest();
} else if (window.ActiveXObject) { // IE
http_request = new ActiveXObject("Microsoft.XMLHTTP");
}
http_request.onreadystatechange=out;
var url="tp.phtml?worksheet="+v.value;
http_request.open('GET',url,true);
http_request.send(null);
}
function out(){
if(http_request.readyState == 4){
var div=document.getElementById('out');
if(http_request.responseText!='') {
div.style.display='block';
div.innerHTML=http_request.responseText;
//alert(div.innerHTML);
}else{
div.style.display='none';
div.innerHTML='';
}
}
}
function end(val){
document.getElementById('ws').value=val;
document.getElementById('out').innerHTML='';
document.getElementById('out').style.display='none';
}

// -->/script>
style>!--
.test{
display:none;
z-index:100;
width:150px;
top:20px;
left:0px;
height:auto;
background-color:lightgrey;
border:1px solid;
position:absolute;
}
a:link {
text-decoration:none;
color:black;
}
a:visited {
text-decoration:none;
color:black;
}
a:hover {
text-decoration:none;
color:black;
}
-->/style>
/head>
body>
div style="position:relative;" style="position:relative;">
input type='txt' id='ws' name='ws' value='' onPropertyChange='update(this);' oninput='update(this);'/> div id='out' class='test'>/div>
div>
input type='txt' id='d'/>
/body>
/html>

?
include("include/db.inc");
$ws=$_GET['worksheet'];
if(empty($ws)||strlen($ws)3){
//echo 'oo';
exit();
}
$db=new db();
$str='';
$sql="select * from user where deptID=10 and status='On' and worksheet like '%$ws%' order by worksheet";
$rt=$db->rtAssoc($sql);
while($row=array_shift($rt)){
$str.="a href="\" href="\""#\" onclick=\"end('"
.$row['emp_name'].':'.$row['emp_worksheet']."');\">"
.$row['emp_name'].':'.$row['emp_worksheet']
.'/a>,br/>';
}
$str=substr($str,0,-6);
echo trim($str);
exit();
?>