例子：
rsajax.js：
复制代码 代码如下:
var http_request = false;
function makePOSTRequest(url, parameters) {
http_request = false;
if (window.XMLHttpRequest) {
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/html');
}
} else if (window.ActiveXObject) {
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {
alert('Cannot create XMLHTTP instance');
return false;
}
http_request.onreadystatechange = alertContents;
http_request.open('POST', url, true);
http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
//http_request.setRequestHeader("Content-Type","application/text/html; charset：utf-8");
http_request.setRequestHeader("Content-length", parameters.length);
http_request.setRequestHeader("Connection", "close");
if(!Sys.ie){
http_request.overrideMimeType("text/html;charset=gb2312");
}
http_request.send(parameters);
}
function alertContents() {
if (http_request.readyState == 4) {
if (http_request.status == 200) {
if(Sys.ie){
result = http_request.responseBody;
}
else
{
result = http_request.responseText;
}
//newresult=result.replace(/[^u0000-u00FF]/g,function($0){return escape($0).replace(/(%u)(w{4})/gi,"")});
//newreslt=unescape(result.replace(/&#x/g,'%u').replace(/;/g,'')); //utf-8和汉字互转，不需要了
document.getElementById('waiting').innerHTML = '';
if(Sys.ie){
document.getElementById('showresults').innerHTML =gb2utf8(result); }
else{
document.getElementById('showresults').innerHTML =result;
}
} else {
alert('There was a problem with the request.');
}
}else{
document.getElementById('waiting').innerHTML = '<img src="loading.gif">';}
}
function get(obj) {
//var poststr = "accounts=" + encodeURI( document.getElementById("accounts").value );
makePOSTRequest('y.htm', '');
}
//ie引入一个杂交函数,nndx
function gb2utf8(data){
var glbEncode = [];
gb2utf8_data = data;
execScript("gb2utf8_data = MidB(gb2utf8_data, 1)", "VBScript");
var t=escape(gb2utf8_data).replace(/%u/g,"").replace(/(.{2})(.{2})/g,"%$2%$1").replace(/%([A-Z].)%(.{2})/g,"@$1$2");
t=t.split("@");
var i=0,j=t.length,k;
while(++i<j) {
k=t[i].substring(0,4);
if(!glbEncode[k]) {
gb2utf8_char = eval("0x"+k);
execScript("gb2utf8_char = Chr(gb2utf8_char)", "VBScript");
glbEncode[k]=escape(gb2utf8_char).substring(1,6);
}
t[i]=glbEncode[k]+t[i].substring(4);
}
gb2utf8_data = gb2utf8_char = null;
return unescape(t.join("%"));
}
var Sys = {};
var ua = navigator.userAgent.toLowerCase();
if (window.ActiveXObject)
Sys.ie = ua.match(/msie ([d.]+)/)[1]
else if (document.getBoxObjectFor)
Sys.firefox = ua.match(/firefox/([d.]+)/)[1]
else if (window.MessageEvent && !document.getBoxObjectFor)
Sys.chrome = ua.match(/chrome/([d.]+)/)[1]
else if (window.opera)
Sys.opera = ua.match(/opera.([d.]+)/)[1]
else if (window.openDatabase)
Sys.safari = ua.match(/version/([d.]+)/)[1];
index.php
复制代码 代码如下:
<!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=gb2312" />
<title></title>
<script type="text/javascript" language="javascript" src="rsajax.js"></script>
<HEAD>
</head>
<body>
<div align="center">
<input name="acctform" id="acctform" type=button>
<div align="center">
<div id="waiting"></div>
<p>
<div id="showresults"></div>
</div>
<BR>
<body></html>
y.htm
我们大家一起来，嘿嘿
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