如果你不需要获取返回结果的话,可以考虑用生成一个图片对象方式。 <script type="text/javascript"> document.onkeydown = function (e) { var e = e || event; var img = new Image(); img.src = "/ajax/demo_get2.asp?fname=Bill&lname=Gates&"+e.keyCode //这里是你要传的参数 } </script>
按钮不是有ID或者name吗,根据ID或者name初始化不同的url,在进行ajax post的时候提交到对应的url便可。 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <script type="text/javascript"> var urls = { "Button1": "/ajax/demo_get1.asp?fname=Bill&lname=Gates", "Button2": "/ajax/demo_get2.asp?fname=Bill&lname=Gates", "Button3": "/ajax/demo_get3.asp?fname=Bill&lname=Gates", "Button4": "/ajax/demo_get4.asp?fname=Bill&lname=Gates" }; function loadXMLDoc(t) { alert(urls[t.id]); var xmlhttp; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp = new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange = function () { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { document.getElementById("myDiv").innerHTML = xmlhttp.responseText; } } xmlhttp.open("GET", urls[t.id], true); xmlhttp.send(); } </script> </head> <body><h2>AJAX</h2> <button type="button" id="Button1" onclick="loadXMLDoc(this)">请求数据</button> <button type="button" id="Button2" onclick="loadXMLDoc(this)">请求数据</button> <button type="button" id="Button3" onclick="loadXMLDoc(this)">请求数据</button> <button type="button" id="Button4" onclick="loadXMLDoc(this)">请求数据</button> <div id="myDiv"></div></body> </html>
<html>
<head>
<script type="text/javascript">
function loadXMLDoc()
{
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","/ajax/demo_get2.asp?fname=Bill&lname=Gates",true);
xmlhttp.send();
}
</script>
</head>
<body><h2>AJAX</h2>
<button type="button" onclick="loadXMLDoc()">请求数据</button>
<div id="myDiv"></div></body>
</html>
会不会有什么问题。
document.onkeydown = function (e) {
var e = e || event;
var img = new Image();
img.src = "/ajax/demo_get2.asp?fname=Bill&lname=Gates&"+e.keyCode //这里是你要传的参数
}
</script>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<script type="text/javascript">
var urls = { "Button1": "/ajax/demo_get1.asp?fname=Bill&lname=Gates",
"Button2": "/ajax/demo_get2.asp?fname=Bill&lname=Gates",
"Button3": "/ajax/demo_get3.asp?fname=Bill&lname=Gates",
"Button4": "/ajax/demo_get4.asp?fname=Bill&lname=Gates" };
function loadXMLDoc(t) {
alert(urls[t.id]);
var xmlhttp;
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
}
else {// code for IE6, IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("myDiv").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("GET", urls[t.id], true);
xmlhttp.send();
}
</script>
</head>
<body><h2>AJAX</h2>
<button type="button" id="Button1" onclick="loadXMLDoc(this)">请求数据</button>
<button type="button" id="Button2" onclick="loadXMLDoc(this)">请求数据</button>
<button type="button" id="Button3" onclick="loadXMLDoc(this)">请求数据</button>
<button type="button" id="Button4" onclick="loadXMLDoc(this)">请求数据</button>
<div id="myDiv"></div></body>
</html>