ÓÃAjax¶ÁÈ¡xmlÎļþµÄ¼òµ¥Àý×Ó
AjaxµÄÔÀíºÜ¼òµ¥£¬¾ÍÊÇÔÚ¿Í»§¶Ë´´½¨Ò»¸öXMLHttpRequest¶ÔÏó£¨ÓÃÀ´Óë·þÎñÆ÷½øÐÐÒ첽ͨÐÅ£¬Õâ¾ÍÊÇAjaxµÄºËÐÄ£¬ÆäʵÎÒÃÇÔç¾ÍÔÚÓÃÒ첽ͨÐÅÁË£¬Ö»ÊÇû°ÑÕâÏî¼¼ÊõÓÃÔÚÍøÒ³Éè¼ÆÖжøÒÑ£©£¬Îª¸Ã¶ÔÏóµÄonreadystatechange ÊôÐÔÌí¼ÓÒ»¸öʼþ£¬µ±¶ÔÏóµÄreadyState¸Ä±äµÄʱºò¾Í»áÒý·¢Ö¸¶¨µÄʼþ¡£µ½´Ë¾Í¿ÉÒԾͷ¢ËÍÇëÇó¶ÁÈ¡·þÎñÆ÷¶ËµÄXMLÊý¾ÝÁË£¬×îºóÒª×öµÄ¾ÍÊÇ´¦ÀíÊý¾ÝÁË¡£ ¹ØÓÚXMLHttpRequest¶ÔÏó£¬Çë²Î¿¼ About XMLHttpRequest ObjectÒ»ÎÄ¡£
¿´Àý×Ó£º
¸´ÖÆ´úÂë
//AjaxDemo.html
<!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=utf-8" />
<title>Asynchronous java script And XML</title>
</head>
<body>
<script type="text/java script">
var xmlHttp=null;
function readyStateChangeHandle()
{
if(xmlHttp.readyState==4)
{
if(xmlHttp.status==200)
{
var xmlDOM=xmlHttp.responseXML;
var xmlRoot=xmlDOM.documentElement;
try
{
var xmlItem=xmlRoot.getElementsByTagName("item");
alert(xmlItem[0].firstChild.data);
}
&
Ïà¹ØÎĵµ£º
NO1.
ÔÚatlas(ajax)ÖÐÇ벻ҪʹÓÃResponse.Write(),
ÇëʹÓÃClientScript.RegisterClientScriptBlockÌæ»»
ʹÓÃÈçÏ£º
ClientScript.RegisterClientScriptBlock(this.GetType(), "", "<script>alert('×Ô¼º¿´×Å°ì!')</script>");
×¢Ò⣺RegisterStartupScript ·½·¨Êǽ« JavaScript ǶÈëµ½ ASP.NET Ò³ÃæµÄµ×²¿£ ......
<style type="text/css">
<!--
.STYLE1 {
font-size: 24px;
font-weight: bold;
}
.STYLE2 {font-size: 36px}
-->
.mouseOut {
color: #000000;
}
.mouseOver {
&nb ......
===============ÏÂÆAjax
================
ʮһ¡¢µÚʮһ¿Î ===¡· ʹÓÃXHR¶ÔÏó·¢ËͺͽÓÊÜÊý¾Ý
a.¼ÌÐøÉÏÃæ²½Öè
2)×¢²á»Øµ÷º¯Êý,ֻдº¯ÊýÃû³Æ(Èç¹û¼ÓÁËÀ¨ºÅ£¬ÄÇô¾Í°Ñº¯Êý·µ»ØÖµ×¢²á¸ø»Øµ÷º¯Êý)
xmlHttp.onreadystatechange = callback;
3)ÉèÖÃÁ¬½ÓÐÅÏ¢
//µÚÒ»²ÎÊýÊÇHttpÇëÇó·½Ê½£¬Ò»°ãÑ¡Ôñget¡¢pos ......
Ajax¿ò¼Ü jQuery
jQueryÊÇÒ»¿îÃâ·ÑÇÒ¿ª·ÅÔ´´úÂëµÄJavaScript´úÂë¿â£¬ÓÉJohn Resig´´½¨¡£ÊÚȨÐÒéΪGPLºÍMITÐí¿É֤˫ÐÒ顣ʾÀý´úÂ룺 $("p.neat").addClass("ohmy").show("slow"); ÌصãÇáÁ¿¼¶¾GZipѹËõºó´«ÊäµÄ´úÂëÎļþ½ö14KB£¬Î´¾Ñ¹Ëõ´«Ë͵ĴúÂëÎļþ½ö26KB¡£ jQuery 1.26°æʱ£º µµ°¸µµ°¸ÐÐÊýµµ°¸Size ±¸×¢ jquery-1.2 ......