ʹÓÃXMLHttpRequest ʵÏÖajaxЧ¹û
Ò»¡¢XMLHttpRequest ¶ÔÏóµÄ·½·¨ÓëÊôÐÔ
·½ ·¨
Ãè Êö
abort()
Í£Ö¹µ±Ç°ÇëÇó
getAllResponseHeaders()
°ÑHTTPÇëÇóµÄËùÓÐÏìÓ¦Êײ¿×÷Ϊ¼ü/Öµ¶Ô·µ»Ø
getResponseHeader("header")
·µ»ØÖ¸¶¨Êײ¿µÄ´®Öµ
open("method", "url")
½¨Á¢¶Ô·þÎñÆ÷µÄµ÷Óá£method²ÎÊý¿ÉÒÔÊÇGET¡¢POST»òPUT¡£url²ÎÊý¿ÉÒÔÊÇÏà¶ÔURL»ò¾ø¶ÔURL¡£Õâ¸ö·½·¨»¹°üÀ¨3¸ö¿ÉÑ¡µÄ²ÎÊý
send(content)
Ïò·þÎñÆ÷·¢ËÍÇëÇó
setRequestHeader("header", "value")
°ÑÖ¸¶¨Êײ¿ÉèÖÃΪËùÌṩµÄÖµ¡£ÔÚÉèÖÃÈκÎÊײ¿Ö®Ç°±ØÐëÏȵ÷ÓÃopen()
Êô ÐÔ
Ãè Êö
onreadystatechange
ÿ¸ö״̬¸Ä±äʱ¶¼»á´¥·¢Õâ¸öʼþ´¦ÀíÆ÷£¬Í¨³£»áµ÷ÓÃÒ»¸öJavaScriptº¯Êý
readyState
ÇëÇóµÄ״̬¡£ÓÐ5¸ö¿Éȡֵ£º0 = δ³õʼ»¯£¬1 = ÕýÔÚ¼ÓÔØ£¬2 = ÒѼÓÔØ£¬3 = ½»»¥ÖУ¬4 = Íê³É
responseText
·þÎñÆ÷µÄÏìÓ¦£¬±íʾΪһ¸ö´®
responseXML
·þÎñÆ÷µÄÏìÓ¦£¬±íʾΪXML¡£Õâ¸ö¶ÔÏó¿ÉÒÔ½âÎöΪһ¸öDOM¶ÔÏó
status
·þÎñÆ÷µÄHTTP״̬Â루200¶ÔÓ¦OK£¬404¶ÔÓ¦Not Found£¨Î´ÕÒµ½£©£¬µÈµÈ£©
statusText
HTTP״̬ÂëµÄÏàÓ¦Îı¾£¨OK»òNot Found£¨Î´ÕÒµ½£©µÈµÈ£©
¶þ¡¢Ê¹ÓÃXMLHttpRequest ʵÏÖajaxЧ¹û
ÕâÀïÎÒÃÇÓÿͻ§¶Ëͨ¹ýXMLHttpRequest ÇëÇó·þÎñ¶Ë»ñÈ¡µ±Ç°ÏµÍ³Ê±¼ä£¬ÊµÏÖÒì²½½»»¥£¡
¿Í»§¶ËmyAjax.html´úÂë
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>xmlhttprequest ajax demo</title>
<mce:script type ="text/javascript" language ="javascript" ><!--
var req; //¶¨Òå±äÁ¿£¬ÓÃÀ´´´½¨xmlhttprequest¶ÔÏó
function creatReq() // ´´½¨xmlhttprequest,ajax¿ªÊ¼
{
var url="ajaxServer.aspx"; //ÒªÇëÇóµÄ·þÎñ¶ËµØÖ·
if(window.XMLHttpRequest) //·ÇIEä¯ÀÀÆ÷¼°IE7(7.0¼°ÒÔÉϰ汾)£¬ÓÃxmlhttprequest¶ÔÏó´´½¨
{
req=new XMLHttpRequest();
}
else if(window.ActiveXObject) //IE(6.0¼°ÒÔϰ汾)ä¯ÀÀÆ÷ÓÃactivexobject¶ÔÏó´´½¨,Èç¹ûÓû§ä¯ÀÀÆ÷½ûÓÃÁËActiveX,¿ÉÄÜ»áʧ°Ü.
{
req=new ActiveXObject("Microsoft.XMLHttp");
}
if(req) //³É¹¦´´½¨xmlhttprequest
{
req
Ïà¹ØÎĵµ£º
ʵÏÖ×¢²á½çÃæÎÞË¢ÐÂÅжÏÖØÃû£¬ÓÉÓÚÒª·ÃÎÊÊý¾Ý¿â£¬ËùÒÔÒª´ïµ½ÎÞˢУ¬Ö»ÄÜÓÃAjax¼¼Êõ¡£
ÆäÖÐ×îÖØÒªµÄ¾ÍÊÇxmlHttp¶ÔÏó¡£
XmlHttpÊÇʲô£¿
×îͨÓõ͍ÒåΪ£ºXmlHttpÊÇÒ»Ì׿ÉÒÔÔÚJavascript¡¢VbScript¡¢JscriptµÈ½Å±¾ÓïÑÔÖÐͨ¹ýhttpÐÒé´«ËÍ»ò´Ó½ÓÊÕXML¼°ÆäËûÊý¾ÝµÄÒ»Ì×API¡£XmlHttp×î´óµÄÓô¦ÊÇ¿ÉÒÔ¸üÐÂÍøÒ³µ ......
ǰ̨´úÂ룺
<head runat="server">
<title>ÎÞ±êÌâÒ³</title>
<script src="Ajax.js" type="text/javascript"></script>
</head>
<body>
<form id="form1" runat="server">
<div&g ......
½ñÌ춯̬Ìí¼Óoptionµ½selectlʱ£¬³öÏÖÁËÌí¼ÓºóoptionΪ¿Õ°×£¬¸öÊýÈ´ÕýÈ·µÄÇé¿ö¡£´úÂëÈçÏ£º
for(var i = 0; i < results.length; i++) {
oOption = document.createElement("OPTION");
oOption.value=results[i].child ......
½ñÌìÓÃajaxµÄpost·½Ê½´«ÖµÊ±£¬Óöµ½Ò»¸öÎÊÌ⣬ʼÖÕûÓÐÕÒµ½ÎÊÌâÔÒò¡£ºóÀ´°Ñ´«µÄÖµÖе¥ÒýºÅÈ¥µôºó£¬jsÕý³£ÁË¡£
¾¹ýËÑË÷£¬Ò²Ã»ÓÐÕÒµ½¾ßÌåÔÒò¡£×îºóͨ¹ýÒþ²ØÓòÀ´ÖÐת¸Ã×Ö·û´®¡£×îºó½â¾öÕâ¸öÎÊÌ⣡ÎÞÓïÁË£¡±¸Íü£¡
js²¿·Ý£º
////Òì²½µ÷Ó÷þÎñÆ÷ÐÅÏ¢
function CallServiceInsert()
{
var url="";
var para ......
Ajax Slideshow
http://drupal.org/project/ajax_slideshow
View
CVS instructions
Modules · Content display
udig - October 17, 2009 - 12:05
Sequential presentation of any of your site nodes, using fade effect based on ajax asynchronous calls.
Why?
Indeed there are plenty of slideshow modules ......