锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲一区二区日韩,国产欧美日韩在线观看视频,欧美18xxxxhttp://www.aygfsteel.com/kingwell/category/8838.htmlAspire to Professionalismzh-cnWed, 28 Feb 2007 21:00:52 GMTWed, 28 Feb 2007 21:00:52 GMT60涓涓畝鍗曠殑ajax瀹炰緥http://www.aygfsteel.com/kingwell/articles/39091.htmlKingWellKingWellTue, 04 Apr 2006 01:54:00 GMThttp://www.aygfsteel.com/kingwell/articles/39091.htmlhttp://www.aygfsteel.com/kingwell/comments/39091.htmlhttp://www.aygfsteel.com/kingwell/articles/39091.html#Feedback2http://www.aygfsteel.com/kingwell/comments/commentRss/39091.htmlhttp://www.aygfsteel.com/kingwell/services/trackbacks/39091.html鍘誨勾寮濮嬬湅AJAX鏃跺欐墍鍐欑殑絎竴涓皬紼嬪簭錛屾暣鐞嗕簡涓嬨傚簲璇ョ畻AJAX鏈綆鍗曠殑搴旂敤浜嗐?/div>
棣栧厛錛屾紨紺轟竴涓嬪疄闄呰繍琛岀殑鏁堟灉銆傜偣鍑誨脊鍑烘柊欏甸潰涓殑鈥淪ee Author鈥濋摼鎺ワ紝浣犲皢浼?xì)鐪嬪埌璇宓闈綔鑰呫備粠欏甸潰鎻愪氦鍒版樉紺轟粠鏈嶅姟鍣ㄨ幏寰楃殑緇撴灉錛岃繖孌佃繃紼嬩綘灝嗕笉浼?xì)鍙戠幇椤甸潰鐨勯噸鍒锋柊銆?/div>
涓嬮潰緇欏嚭璇ョず渚嬬殑浠g爜錛?/div>
1. ajax.html
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>A simple AJAX example</title>
<script type="text/javascript"><!--
聽 function findAuthor(file){
聽聽聽聽 var xmlObj = null;
聽聽聽 聽if(window.XMLHttpRequest){
聽聽聽聽 聽聽 xmlObj = new XMLHttpRequest();
聽聽 聽 } else if(window.ActiveXObject){
聽聽聽聽聽 聽聽 xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
聽聽 聽 } else {
聽聽聽聽聽 return;
聽 聽 }
聽聽 聽xmlObj.onreadystatechange = function(){
聽聽聽聽 聽 if(xmlObj.readyState == 4){
聽聽聽聽聽聽 聽聽聽 updateObj('author',
聽聽聽聽聽聽 聽xmlObj.responseXML.getElementsByTagName('name')[0].firstChild.data);
聽聽聽 聽聽 }
聽聽聽聽聽}
聽聽聽 xmlObj.open ('GET', file, true);
聽聽聽 xmlObj.send ('');
聽 }
聽 function updateObj(obj, data){
聽聽 var textNode = document.createTextNode(data);
聽聽 document.getElementById(obj).appendChild(textNode);
聽 }
聽 //--></script>
</head>
<body>
<h1>A simple AJAX program</h1>
<p id="obj">This page is powered by <a id='link' href="data.xml"
聽title="View the author."
聽onclick="findAuthor('data.xml'); this.style.display='none'; return false">See
Author.</a><span id="author" style="color: olive; font-weight: bolder"></span></p>
</body>
</html>

2.data.xml

<?xml version="1.0" encoding="UTF-8"?>
<author>
聽<name>www.jsfchina.org</name>
</author>

瑙f瀽涓嬨?/p>

璇ヤ緥搴旇綆楁槸鏈綆鍗曠殑ajax搴旂敤浜嗐備負(fù)浜嗗敖姹傜畝鍗曟э紝榪欓噷娌℃湁浣跨敤鍒頒換浣曟湇鍔″櫒绔妧鏈紝璇稿servlet,cgi絳夌瓑銆傝繖閲屽茍娌℃湁浣跨敤鍒頒換浣曚笟鍔℃柟娉曪紝鑰屾槸鐩存帴浠庢湇鍔″櫒鐨勪竴涓獂ml鏂囨。(data.xml)涓鍙栨暟鎹備負(fù)浜嗙畝媧佹э紝鏈緥灝咼avaScript鏂囦歡涔熼泦鎴愬埌浜哸jax.html涓紝瀹為檯搴旂敤涓畬鍏ㄥ彲浠ョ嫭绔嬪嚭鍘諱嬌鐢ㄣ?/p>

璇ヤ緥閫氳繃鐐瑰嚮閾炬帴錛屾縺鍙戜簡涓涓猨avascript鐨勬柟娉曠劧鍚庤繘琛屼氦浜掑鐞嗐?/p>

AJAX鐨勬牳蹇冩槸XMLHttpRequest錛屾湰渚嬮氳繃涓嬪垪浠g爜鍒涘緩榪欎釜瀵硅薄

聽 var xmlObj = null;
聽 if(window.XMLHttpRequest){
聽聽聽聽聽 xmlObj = new XMLHttpRequest();
聽 } else if(window.ActiveXObject){
聽聽聽聽聽 xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
聽 } else {
聽聽聽聽聽 return;
聽 }

if(window.XMLHttpRequest)澶勭悊浜嗘祻瑙堝櫒鏄痬ozilla鐨勬儏鍐碉紝鑰宨f(window.ActiveXObject)鍒欏鐞嗕簡嫻忚鍣ㄤ負(fù)IE鐨勬儏鍐碉紝鐩殑閮芥槸涓涓細(xì)鍒涘緩浜嗕竴涓猉MLHttpRequest瀵硅薄銆傚垱寤鴻繖涓璞$殑鐩殑灝辨槸璁MLHttpRequest瀵硅薄涓庢湇鍔″櫒浜や簰錛岃屼笉褰卞搷鐢ㄦ埛姝e湪嫻忚鐨勯〉闈€傝繖涔熸槸AJAX縐拌皳鐨勭敱鏉ワ紝寮傛javascript浜や簰xml澶勭悊銆?/p>

鍒涘緩濂絏MLHttpRequest瀵硅薄涔嬪悗錛岃皟鐢ㄧ殑鍑芥暟灝嗕細(xì)鐩戝惉璇ュ璞$姸鎬佺殑鍙樺寲錛屽嵆onreadystatechange灞炴с俋MLHttpRequest瀵硅薄鏈?涓姸鎬侊紝浠?錛?鐨勬暣鏁幫紝涔熷氨鏄onreadystatechange璋冪敤鐨勫嚱鏁幫紙紺轟緥涓璮unction(){...}錛夊皢浼?xì)鎵ц?嬈°傜ず渚嬩腑鎴戜滑鍦ㄨ瀵硅薄澶勪簬瀹屾垚鐘舵?readyState=4)鏃惰繘琛屽鐞嗭紙姝ゆ椂鏈嶅姟鍣ㄥ凡緇忎紶鍥炴墍鏈変俊鎭級錛屼負(fù)id涓衡渁uthor鈥濈殑span瀵硅薄娣誨姞浜嗕竴涓猼extNode鑺傜偣錛岃textNode鏄痙ata.xml鏂囨。涓璶ame鑺傜偣鐨勭涓涓瓙鍏冪礌鐨勫箋?/p>

濂戒簡錛岃繖灝辨槸瀹屾垚涓嬈″紓姝ヤ氦浜掓墍闇瑕佺殑姝ラ銆?/p>

浠ヤ笅鏄竴浜涙敞鎰忕偣銆?/p>

絎竴錛屾湰渚嬩腑浣跨敤鐨刪ttp鐨凣ET鏂規(guī)硶錛屼綘涔熷彲浠ヤ嬌鐢≒OST錛屼絾鏄璁懼畾Content-Type鍊鹼紝鍗硏mlObj.setRequestHeader("Content-Type","application/x-www-form-urlencoded")錛岃繖涓柟娉曠敤鏉ヨ緗簡MIME綾誨瀷銆傝繕鏈変竴鐐硅娉ㄦ剰錛岃繖浜涙柟娉曟渶濂介兘澶у啓錛屽惁鍒欏湪firefox涓嬪皢娌℃湁浣滅敤銆?/p>

絎簩錛寈mlObj.open ('GET', file, true)銆傝鏂規(guī)硶浼?xì)寰忕珛涓庢湇鍔″櫒鐨勯摼鎺ュQ屸楪ET鈥欐寚鏄庝簡http璋冪敤鏂規(guī)硶錛沠ile鎸囨槑浜嗚皟鐢ㄧ殑url錛泃rue鎸囨槑浜嗚璋冪敤鏄紓姝ュ鐞嗭紝鍙互鐪佺暐錛岄粯璁や負(fù)'true'銆?/p>

絎笁錛寈mlObj.send(para)鍚戞湇鍔″櫒鍙戝嚭璇鋒眰銆傛槸浠OST鍚戞湇鍔″櫒鍙戝嚭request錛屽叾鍙傛暟鏍煎紡涓?name=namevalue&so=on銆傦紙鍙傝冩敞鎰忕偣涓錛?/p>

杞創(chuàng)娉ㄦ槑鍑哄www.jsfchina.org

KingWell 2006-04-04 09:54 鍙戣〃璇勮
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