AJAX Ò첽ͨѶ¶ÔÏó
±ê×¼XMLHttpRequest²Ù×÷
abort()
Í£Ö¹µ±Ç°ÇëÇó
getAllResponseHeaders()
°ÑHTTPÇëÇóµÄËùÓÐÏìÓ¦Êײ¿×÷Ϊ¼ü/Öµ¶Ô·µ»Ø
getResponseHeader("header")
·µ»ØÖ¸¶¨Êײ¿µÄ´®Öµ
void open(string method, string url, boolean asynch)
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,²ÎÊý¿ÉÒÔÊÇDOM¶ÔÏóµÄʵÀý¡¢ÊäÈëÁ÷£¬»òÕß´®
setRequestHeader("header", "value")
°ÑÖ¸¶¨Êײ¿ÉèÖÃΪËùÌṩµÄÖµ¡£ÔÚÉèÖÃÈκÎÊײ¿Ö®Ç°±ØÐëÏȵ÷ÓÃopen()
±ê×¼XMLHttpRequestÊôÐÔ
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£©
Ïà¹ØÎĵµ£º
×î½üÍøÉÏÌáµÄºÜ¶àµÄÒ»¸öиÅÄî¾ÍÊÇ AJAX ÁË, ÄÇô, AJAX ÊÇÊ²Ã´ÄØ? ÒÔÏÂÄÚÈÝÒýÓÃÍøÉÏ×ÊÁÏ:
AJAXÈ«³ÆÎª“Asynchronous JavaScript and XML”£¨Òì²½JavaScriptºÍXML£©£¬ÊÇÖ¸Ò»ÖÖ´´½¨½»»¥Ê½ÍøÒ³Ó¦ÓõÄÍøÒ³¿ª·¢¼¼Êõ¡£ËüÓлúµØ°üº¬ÁËÒÔϼ¸ÖÖ¼¼Êõ£º
Ajax£¨Asynchronous JavaScript + XML£©µÄ¶¨Òå
»ùÓÚ web±ê×¼£¨sta ......
Ê×ÏȰѴúÂë¸ø´ó¼Ò£¬ÏÂÃæÊǽâÊÍ
/**
* »ñµÃXMLHttpRequest¶ÔÏó
*/
function createXHR(){
var x=[function(){return new ActiveXObject("Msxm12.XMLHTTP");},function(){return xmhttp=new ActiveXObject("Microsoft.XMLHTTP");},
&nb ......
BuffaloÊǹúÈË¿ª·¢µÄAjax¿ò¼Ü
Ëü¿ÉÒÔʹÓû§ÔÚjsÖе÷ÓÃjava´úÂëÀïµÄ·½·¨.
ÅäÖ÷½·¨£º
1. web.xmlÖÐÅäÖÃÏà¹Øservlet ÈçÏ£º
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ......
asp.net ajaxÖÐÎÄÂÒÂëµÄ½â¾ö£¿
2010-01-19 12:06
ÒÔǰûÔõô×ÐϸµÄÑо¿¹ýajax,Ö»ÊÇÓõ½Á˾ÍÖ±½ÓÄùýÀ´ÓÃ,·¢ÏÖÁËÎÊÌâÔÙÕÒ½â¾ö·½·¨.ÒÔÏÂÊÇÎÒÔÚÕÒ½â¾öÎÊÌâµÄ¹ý³ÌÖеÄÒ»µãССµÄ×ܽá.
Ò».̸AjaxµÄGetºÍPostµÄÇø±ð
Get·½Ê½:
ÓÃget·½Ê½¿É´«Ëͼòµ¥Êý¾Ý£¬µ«´óСһ°ãÏÞÖÆÔÚ1KBÏ£¬Êý¾Ý×·¼Óµ½urlÖз¢Ë ......