Ajax 给 XMLHttpReq.onreadystatechange传递参数
通过：
xmlhttp.onreadystatechange= function(){xx(123)};
or
xmlhttp.onreadystatechange= new Function("xx(123)");
就可以了。
m=document.getElementsByN
ame("text8");
v=m[i];
XMLHttpReq.onreadystatechange=function(){proce(v)};
----------------------------------------------
function proce(v)
{
if(XMLHttpReq.readyState
==4)
{
if(XMLHttpReq.status==200)
{
VAR res=XMLHttpReq.responseXML.
getelementsbytagname("content")[0].
FirstChild.data;
v.value=res;
}
else
{
v.value='
....';
}
}
}
<html>
<head>
<
;meta http-equiv="Content
-ty
PE" content="text/html; charset=gb2312">
<t
ITle>
test Ajax</title>
<mce:script language="javascript"><!--
function getXMLHttpRequest() {
var xmlHttpRequest;
try
{
xmlHttpRequest=new XMLHttpRequest();
}
catch (e)
{
try
{
xmlHttpRequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
try
{
xmlHttpRequest=new ActiveXObjec("Msxml2.XMLHTTP");
}
catch (e)
{
t
hrow new Error('Unable to create XMLHttpRequest.')
}
}
}
return xmlHttpRequest;
}
/*
function test() {
var xhr = getXMLHttpRequest();
var url="http://211.8
7.235.108:5000/sensor.xml";
xhr.open("GET",url);
xhr.send(null);
xhr.onreadystatechange = function(){
if(4==xhr.readyState)
{
if(200==xhr.status) {
//var xmldoc=xmlHttpRequest.responseXML;
var xmldoc=xhr.responseText;
document.getElementById("disp").innerHTML=xmldoc;
}
else {
//alert(xhr.status);
}
}
};
xhr.onstatechange = function() {
handleXMLHttpRequest(xhr) ;
};
}
*/
function handleXMLHttpRequest( xmlHttpRequest) {
if(4==xmlHttpRequest.readyState)
{
if(200==xmlHttpRequest.status){
//var xmldoc=xmlHttpRequest.responseXML;
var xmldoc=xmlHttpRequest.responseText;
document.getElementById("disp").innerHTML=xmldoc;
}
else {
alert(xmlHttpRequest.status);
}
}
}
function doXMLHttpRequest() {
var xhr = getXMLHttpRequest();
var url="http://localhost:5000/sensor.xml";
xhr.open("GET",url);
xhr.send(null);
xhr.onreadystatechange =function (){
handleXMLHttpRequest(xhr);
};
}
function myrefresh() {
window.location.reload();
}
setTimeout('myrefresh()',1000); //指定1秒刷新一次
// --></mce:script>
</head>
<mce:style><!--
body {font-
Size:12px;}
--></mce:style><style mce_bogus="1"> body {font
-size:12px;}</style>
<body onLoad="doXMLHttpRequest()">
<div id="disp">
</div>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title> My
Documents </title>
<mce:script language="javascript"><!--
function getXMLHttpRequest() {
var xmlHttpRequest;
try
{
xmlHttpRequest=new XMLHttpRequest();
}
catch (e)
{
try
{
xmlHttpRequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
try
{
xmlHttpRequest=new ActiveXObjec("Msxml2.XMLHTTP");
}
catch (e)
{
throw new Error('Unable to create XMLHttpRequest.')
}
}
}
return xmlHttpRequest;
}
function test() {
var xhr = getXMLHttpRequest();
var url="http://211.87.235.108:5000/sensor.xml";
xhr.open("GET",url);
xhr.send(null);
xhr.onreadystatechange = function(){
if(4==xhr.readyState)
{
if(200==xhr.status) {
//var xmldoc=xmlHttpRequest.responseXML;
var xmldoc=xhr.responseText;
document.getElementById("disp").innerHTML=xmldoc;
}
else {
//alert(xhr.status);
}
}
};
}
/*
function handleXMLHttpRequest( xmlHttpRequest) {
alert(xmlhttpRequest + 2);
if(4==xmlHttpRequest.readyState)
{
if(200==xmlHttpRequest.status){
//var xmldoc=xmlHttpRequest.responseXML;
var xmldoc=xmlHttpRequest.responseText;
document.getElementById("disp").innerHTML=xmldoc;
}
else {
alert(xmlHttpRequest.status);
}
}
}
function doXMLHttpRequest() {
var xhr = getXMLHttpRequest();
var url="http://211.87.235.108:5000/sensor.xml";
xhr.open("GET",url);
xhr.send(null);
xhr.onreadystatechange = handleXMLHttpRequest();
}
*/
function myrefresh() {
window.location.reload();
}
// setTimeout('myrefresh()',1000); //指定1秒刷新一次
// --></mce:script>
</HEAD>
<mce:style><!--
body {font-size:12px;}
--></mce:style><style mce_bogus="1"> body {font-size:12px;}</style>
<body onLoad="test()">
<div id="disp">
</div>
</body>
</html>