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[广告]: 代充Paypal帐号美元
欢迎优化、指教( Ajax )
以下是我自己平时用Ajax的核心部分。
不需要什么特效，只要保证兼容。不出错。
欢迎优化，指教， 拍砖。
<?php
function XHR()
{
this.m_Version = "2006-12-04";
this.m_XmlHttp = false; /* xmlHttpRequest Object */
this.m_IsXml = false; /* responseXML Or responseText */
this.m_Method = "GET";
this.m_IsAsync = true;
this.m_IsCache = false;
this.m_Charset = "UTF-8";
this.m_Aborted = false;
this.m_TimeOutID= null;
this.m_Delay = 10000; /* 10s */
this.m_AlertLevel = "E"; /* Alert Switch */
this.m_QueryString = "";
this.m_RequestUrl = "./";
this.m_MimeValue = "text/html";
this.m_CopyRight = "nnCopyright 漏 2006-2008n wzhu China. All Rights Reserved.";
this.setSync = function(){ this.m_IsAsync = false; };
this.setAsync = function() { this.m_IsAsync = true; };
this.setCacheOn = function() { this.m_IsCache = true; };
this.setCacheOff = function() { this.m_IsCache = false; };
this.setGetMethod = function(){ this.m_Method = "GET"; };
this.setDebugOn = function (){ this.m_AlertLevel = "D"; };
this.setWarnOn = function (){ this.m_AlertLevel = "W"; };
this.setErrorOn = function (){ this.m_AlertLevel = "E"; };
this.setCharset = function ( charset ){ this.m_Charset = charset; };
this.setRequestUrl = function ( url ){ this.m_RequestUrl = url; };
this.setQueryString = function ( str ){ this.m_QueryString = str; };
this.setAbort = function (){ this.m_Aborted = true; };
this.setXmlMime = function (){
this.m_IsXml = true;
this.m_MimeValue = "text/xml";
};
this.setHtmlMime = function (){
this.m_IsXML = false;
this.m_MimeValue = "text/html";
};
this.setPostMethod = function(){
this.m_Method = "POST";
this.m_MimeValue = "application/x-www-form-urlencoded";
};
this.debugMSG = function( content ){
if( this.m_AlertLevel == "D" ){
alert( content + this.m_CopyRight );
}
};
this.warnMSG = function( content ){
if( this.m_AlertLevel != "E" ){
alert( content + this.m_CopyRight );
}
};
this.errorMSG = function( content ){
alert( content + this.m_CopyRight );
};
this.init = function (){
this.setAsync();
this.setGetMethod();
this.setDebugModeOff();
this.setCacheOff();
this.setXmlMime();
this.setCharset( "UTF-8" );
this.queryString = "";
};
this.createXmlHttpRequest = function(){
/* Microsoft Internet Explorer */
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
if ( window.ActiveXObject && !window.XMLHttpRequest ) {
var MSXMLS = ["Msxml2.XMLHTTP.5.0",
"Msxml2.XMLHTTP.4.0",
"Msxml2.XMLHTTP.3.0",
"Msxml2.XMLHTTP",
"Microsoft.XMLHTTP"];
for ( var i = 0; i < MSXMLS.length; i++ ) {
try {
this.debugMSG( MSXMLS[i] );
this.m_XmlHttp = new ActiveXObject( MSXMLS[i] );
return;
}catch (E) {
this.warnMSG( E.number+":"+E.description );
continue;
}
}
this.m_XmlHttp = false;
this.errorMSG( "Your Brower Can't Support Ajax!" );
return;
}
@end @*/
/* Mozilla FireFox */
if( window.XMLHttpRequest ){
try{
this.m_XmlHttp = new XMLHttpRequest();
return;
}catch( E ){
this.m_XmlHttp = false;
this.warnMSG( E.number+":"+E.description );
}
}
this.errorMSG( "Your Brower Can't Support Ajax!" );
};
/* Just For No Cache */
this.addTimeStamp = function(){
this.m_QueryString += "timestamp=" + new Date().getTime();
};
this.addParameter = function( name, value ){
this.m_QueryString += name + "=" + encodeURIComponent( value ) + "&";
};
this.doRequestUsingPost = function() {
if( !this.m_IsCache ){
this.addTimeStamp();
}
this.m_XmlHttp.open( this.m_Method, this.m_RequestUrl, this.m_IsAsync );
//this.m_XmlHttp.open( this.m_Method, this.m_RequestUrl );
this.setCommonHeader();
this.debugMSG( this.m_QueryString );
/* Post /a.php HTTP/1.1 */
this.m_XmlHttp.setRequestHeader( "Method", "POST " + this.m_RequestUrl + " HTTP/1.1" );
this.m_XmlHttp.setRequestHeader( "Content-Length",this.m_QueryString.length );
this.m_XmlHttp.send( this.m_QueryString );
};
this.doRequestUsingGet = function() {
var queryString;
if( !this.m_IsCache ){
this.addTimeStamp();
}
if( this.m_RequestUrl.indexOf("?") > 0 ){
queryString = this.m_RequestUrl + "&" + this.m_QueryString;
} else {
queryString = this.m_RequestUrl + "?" + this.m_QueryString;
}
this.debugMSG( queryString );
this.m_XmlHttp.open( this.m_Method, queryString, this.m_IsAsync );
this.setCommonHeader();
this.m_XmlHttp.send( null );
};
this.setCommonHeader = function(){
if( this.m_XmlHttp.overrideMimeType && this.m_IsXml ) {
this.m_XmlHttp.overrideMimeType( "text/xml" );
}
this.m_XmlHttp.setRequestHeader( "Content-Type", this.m_MimeValue + "; charset=" + this.m_Charset );
if( !this.m_IsCache ){
this.m_XmlHttp.setRequestHeader( "Cache-Control", "no-cache" );
this.m_XmlHttp.setRequestHeader( "If-Modified-Since", "0" );
}
};
this.Execute = function(){
this.createXmlHttpRequest();
if( this.m_XmlHttp ){
this.doFuncStart();
var self = this;
self.m_TimeOutID = window.setTimeout( function() { self.m_Aborted = true ; }, self.m_Delay );
this.m_XmlHttp.onreadystatechange = function(){
self.debugMSG( self.m_XmlHttp.readyState );
switch ( self.m_XmlHttp.readyState ) {
case 4 :
window.clearTimeout( self.m_TimeOutID );
if( self.m_Aborted ){
self.m_XmlHttp.abort();
self.warnMSG( "TimeOut" );
self.doFuncFinish();
return false;
}
if( self.m_XmlHttp.status == 200 ) {
self.debugMSG( self.m_XmlHttp.getAllResponseHeaders() + "n" + self.m_XmlHttp.responseText );
if( self.m_IsXml ){
try{
/* xmlDoc IS Object */
var xmlDom = self.m_XmlHttp.responseXML;
//**
if( xmlDom.documentElement == null && self.m_XmlHttp.responseText != null )
{
if ( window.ActiveXObject ){
var MSXMLDOMS = ["Msxml2.DOMDocument.5.0",
"Msxml2.DOMDocument.4.0",
"Msxml2.DOMDocument.3.0",
"Msxml2.DOMDocument",
"Microsoft.XmlDom"];
for ( var i = 0; i < MSXMLDOMS.length; i++ ) {
try {
self.debugMSG (MSXMLDOMS[i] );
xmlDom = new ActiveXObject( MSXMLDOMS[i] ); break;
}catch( E ){
self.warnMSG( E.number+":"+E.description );
}
}
xmlDom.validateOnParse = true;
if( !xmlDom.loadXML( self.m_XmlHttp.responseText ) ){
throw "XML DOM parsing failed:n" + xmlDom.parseError.reason;
}
} else if( document.implementation && document.implementation.createDocument ) {
self.debugMSG( "implementation" );
xmlDom = document.implementation.createDocument( "","",null );
var oParser = new DOMParser();
var xmlDom = oParser.parseFromString( self.m_XmlHttp.responseText,"text/xml");
if ( xmlDom.documentElement.tagName == "parsererror" ) {
throw "XML DOM parsing failed";// + xmlDom.documentElement;
}
}
}
//*/
}catch( E ){
self.errorMSG( E );
self.doFuncFinish();
return false;
}
/* Do Something After Response */
self.doFuncXml( xmlDom );
}else{
try{
var textDoc = self.m_XmlHttp.responseText;
}catch( E ){
self.errorMSG( E.number+":"+E.description );
return false;
}
/* Do Something After Response */
self.doFuncHtml( textDoc );
}
self.doFuncFinish();
}
break;
default :
if( self.m_Aborted ){
window.clearTimeout( self.m_TimeOutID );
self.m_XmlHttp.abort();
self.debugMSG( "Time Out" );
self.doFuncFinish();
return false;
}
break;
}
};
( this.m_Method.toUpperCase() == "POST" ) ? this.doRequestUsingPost() : this.doRequestUsingGet();
} else {
this.noXHR();
return;
}
};
this.noXHR = function(){
/* createXmlHttpRequest Error! */
this.debugMSG( this.m_CopyRight );
};
this.doFuncStart = function(){
this.debugMSG( "Before Send Request" );
document.getElementById("fade").innerHTML = "数据加载中，请稍候…";
document.getElementById("fade").style.display = "block";
};
this.doFuncFinish = function (){
this.debugMSG( "After do function Response" );
document.getElementById("fade").style.display = "none";
var objAs = document.getElementsByTagName("A");
var objA;
for( var i=0; objA = objAs[i]; i++ ){
objA.onfocus = function(){ this.blur() };
}
};
/* Must be reloaded */
this.doFuncXml = function( xmlDoc ){
if( xmlDoc != null ){
this.debugMSG( xmlDoc );
}else{
this.debugMSG( "Response NULL" );
}
};
/* Must be reloaded */
this.doFuncHtml = function( textDoc ){
this.debugMSG( textDoc );
};
};
?>
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<?wzhu
wzhu.print("http://www.cncmm.com");
?> |
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