jquery AJAXÓ¦ÓÃ
load(url[,data][,callback])------------->ͨ³£ÓÃÀ´´ÓWEB·þÎñÆ÷ÉÏ»ñÈ¡¾²Ì¬µÄÊý¾ÝÎļþ
url: stringÀàÐÍ ÇëÇóHTMLÒ³ÃæµÄURLµØÖ·
data(¿ÉÑ¡): object ·¢ËÍÖÁ·þÎñÆ÷µÄkey/valueÊý¾Ý
callback(¿ÉÑ¡):function ÇëÇóÍê³Éʱ»Øµ÷º¯Êý
Àý×Ó£º
Ö÷Ò³Ãæ´úÂ룺
<style type="text/css">
* { margin:0; padding:0;}
body { font-size:12px;}
.comment { margin-top:10px; padding:10px; border:1px solid #ccc;background:#DDD;}
.comment h6 { font-weight:700; font-size:14px;}
.para { margin-top:5px; text-indent:2em;background:#DDD;}
</style>
$(function(){
$("#send").click(function(){
$("#resText").load("test.html .para",function (responseText, textStatus, //test.html .paraΪtest.htmlÖÐ.classΪparaµÄÄÚÈÝXMLHttpRequest){
alert( $(this).html() ); //ÔÚÕâÀïthisÖ¸ÏòµÄÊǵ±Ç°µÄDOM¶ÔÏ󣬼´ $("#iptText")[0]
alert(responseText); //ÇëÇ󷵻صÄÄÚÈÝ
alert(textStatus); //ÇëÇó״̬£ºsuccess£¬error
alert(XMLHttpRequest); //XMLHttpRequest¶ÔÏó
});
})
})
<input type="button" id="send" value="Ajax»ñÈ¡" />
<div class="comment">
ÒÑÓÐÆÀÂÛ£º
</div>
<div id="resText" >
Ïà¹ØÎĵµ£º
ÏîÄ¿ÖÐÏëÓÃajax£¬ÓÚÊÇÔÚÍøÉϰÇÁËn¶à×ÊÁÏ£¬·¸ÁËn¶à´íÎ󣬴ӽñÌìÉϰൽÏÖÔÚÒ»Ö±ÔÚ´¦ÀíÕâ¸öÎÊÌ⣬ÖÕÓÚ»¹ÊǰÑËü½â¾öÁË¡£
µ±ÎÒ¿´µ½Ò³ÃæµÄajaxÏÔʾºó£¬ÎÒÐË·ÜÒì³££¬ÎªÁ˼Ǽ×Ô¼ºÑ§Ï°µÄajaxÀú³Ì£¬Ò²ÎªÁËÈøü¶àµÄÈËÉÙ×ßÍä·£¬ÌØÐ´´ËÒ»ÎÄÒÔ¼ÇÖ®£¡
·Ï»°²»ËµÁË£¬ÎªÁ˸üºÃµÄÀí½â£¬ÎÒÖØ×öÁËÒ»¸öСµÄÏîÄ¿£¬ÒÔ¼ÓÉîÓ¡Ïó¡£ÏÖÔÚ ......
1.´´½¨XMLHttpRequest¶ÔÏó£º
function newXMLHttpRequest() {
var requestObj;
if (window.XMLHttpRequest) {
// Non IE
requestObj = new ActiveObj('XMLHttpRequest');
} else {
//IE
requestObj = new ActiveObj('Microsoft.XMLHTTP');
}
return request ......
¡¡¡¡ºÜ¶àÈ˶¼ÓùýAJAX¿Ø¼þ°É£¬AJAX¿Ø¼þ²»ÐèҪˢÐÂÒ³Ãæ¾Í¿ÉÒÔµ½ºǫ́ȥ¶Á³öÊý¾Ýµ½¿Í»§¶Ë£®AJAX¿Ø¼þ³ýÁËÓкÜìŵÄÌØÐ§Í⣬ÆäÒª¹¦ÄܾÍÊDz»ÐèҪˢÐÂÕû¸öÒ³Ãæ¾Í¿ÉÒÔÈ¡µÃÓû§ËùÐèÒªµÄÊý¾Ý£¬ÎÒ°ÑÕâÒ»¿éµÄµÄ¹¦ÄÜ·â×°³ÉÒ»¸öÀ࣬·½±ãÈÕºó¿ÉÒÔÖØ¸´Ê¹Ó㬴úÂëÈçÏ£º
//Ajax Request Class Start
functio ......
ÏîÄ¿ÖÐÏëÓÃajax£¬ÓÚÊÇÔÚÍøÉϰÇÁËn¶à×ÊÁÏ£¬·¸ÁËn¶à´íÎ󣬴ӽñÌìÉϰൽÏÖÔÚÒ»Ö±ÔÚ´¦ÀíÕâ¸öÎÊÌ⣬ÖÕÓÚ»¹ÊǰÑËü½â¾öÁË¡£
µ±ÎÒ¿´µ½Ò³ÃæµÄajaxÏÔʾºó£¬ÎÒÐË·ÜÒì³££¬ÎªÁ˼Ǽ×Ô¼ºÑ§Ï°µÄajaxÀú³Ì£¬Ò²ÎªÁËÈøü¶àµÄÈËÉÙ×ßÍä·£¬ÌØÐ´´ËÒ»ÎÄÒÔ¼ÇÖ®£¡
·Ï»°²»ËµÁË£¬ÎªÁ˸üºÃµÄÀí½â£¬ÎÒÖØ×öÁËÒ»¸öСµÄÏîÄ¿£¬ÒÔ¼ÓÉîÓ¡Ïó¡£ÏÖÔÚ¾ÍÒÔÕâ¸öСÏî ......
AjaxµÄÈ«³ÆÊÇ£ºAsynchronousJavaScript+XML
2.AjaxµÄ¶¨Ò壺
Ajax²»ÊÇÒ»¸ö¼¼Êõ£¬Ëüʵ¼ÊÉÏÊǼ¸ÖÖ¼¼Êõ£¬Ã¿ÖÖ¼¼Êõ¶¼ÓÐÆä¶ÀÌØÕâ´¦£¬ºÏÔÚÒ»Æð¾Í³ÉÁËÒ»¸ö¹¦ÄÜÇ¿´óµÄм¼Êõ¡£
3.Ajax°üÀ¨£º
XHTMLºÍCSS
ʹÓÃÎĵµ¶ÔÏóÄ£ÐÍ(DocumentObjectModel)×÷¶¯Ì¬ÏÔʾºÍ½»»¥
ʹÓÃXMLºÍXSLT×öÊý¾Ý½»»¥ºÍ²Ù×÷
ʹÓÃXMLHttpRequest½øÐÐÒ ......