Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

jQuery Ajax È«½âÎö

jQueryȷʵÊÇÒ»¸öͦºÃµÄÇáÁ¿¼¶µÄJS¿ò¼Ü£¬ÄܰïÖúÎÒÃÇ¿ìËٵĿª·¢JSÓ¦Ó㬲¢ÔÚÒ»¶¨³Ì¶ÈÉϸıäÁËÎÒÃÇдJavaScript´úÂëµÄϰ¹ß¡£
·Ï»°ÉÙ˵£¬Ö±½Ó½øÈëÕýÌ⣬ÎÒÃÇÏÈÀ´¿´Ò»Ð©¼òµ¥µÄ·½·¨£¬ÕâЩ·½·¨¶¼ÊǶÔjQuery.ajax()½øÐзâ×°ÒÔ·½±ãÎÒÃÇʹÓõķ½·¨£¬µ±È»£¬Èç¹ûÒª´¦Àí¸´ÔÓµÄÂß¼­£¬»¹ÊÇÐèÒªÓõ½jQuery.ajax()µÄ(Õâ¸öºóÃæ»á˵µ½).
1. load( url, [data], [callback] ) £ºÔØÈëÔ¶³Ì HTML Îļþ´úÂë²¢²åÈëÖÁ DOM ÖС£
url (String) : ÇëÇóµÄHTMLÒ³µÄURLµØÖ·¡£
data (Map) : (¿ÉÑ¡²ÎÊý) ·¢ËÍÖÁ·þÎñÆ÷µÄ key/value Êý¾Ý¡£
callback (Callback) : (¿ÉÑ¡²ÎÊý) ÇëÇóÍê³Éʱ(²»ÐèÒªÊÇsuccessµÄ)µÄ»Øµ÷º¯Êý¡£
Õâ¸ö·½·¨Ä¬ÈÏʹÓà GET ·½Ê½À´´«µÝµÄ£¬Èç¹û[data]²ÎÊýÓд«µÝÊý¾Ý½øÈ¥£¬¾Í»á×Ô¶¯×ª»»ÎªPOST·½Ê½µÄ¡£jQuery 1.2 ÖУ¬¿ÉÒÔÖ¸¶¨Ñ¡Ôñ·û£¬À´É¸Ñ¡ÔØÈëµÄ HTML Îĵµ£¬DOM Öн«½ö²åÈëɸѡ³öµÄ HTML ´úÂë¡£Óï·¨ÐÎÈç "url #some > selector"¡£
Õâ¸ö·½·¨¿ÉÒԺܷ½±ãµÄ¶¯Ì¬¼ÓÔØÒ»Ð©HTMLÎļþ£¬ÀýÈç±íµ¥¡£
ʾÀý´úÂ룺
$(".ajax.load").load("http://www.cnblogs.com/QLeelulu/archive/2008/03/30/1130270.html .post",
function (responseText, textStatus, XMLHttpRequest){
this;//ÔÚÕâÀïthisÖ¸ÏòµÄÊǵ±Ç°µÄDOM¶ÔÏ󣬼´$(".ajax.load")[0]
//alert(responseText);//ÇëÇ󷵻صÄÄÚÈÝ
//alert(textStatus);//ÇëÇó״̬£ºsuccess£¬error
//alert(XMLHttpRequest);//XMLHttpRequest¶ÔÏó
});
ÕâÀォÏÔʾ½á¹û¡£
×¢£º²»ÖªµÀΪʲôURLд¾ø¶Ô·¾¶ÔÚFFÏ»á³ö´í£¬ÖªµÀµÄÂé·³¸æËßÏ¡£ÏÂÃæµÄget()ºÍpost()ʾÀýʹÓõÄÊǾø¶Ô·¾¶£¬ËùÒÔÔÚFFÏÂÄ㽫»á³ö´í²¢²»»á¿´µ½·µ»Ø½á¹û¡£»¹ÓÐget()ºÍpost()ʾÀý¶¼ÊÇ¿çÓòµ÷Óõ쬷¢ÏÖ´«ÉÏÀ´ºóû°ì·¨»ñÈ¡½á¹û£¬ËùÒÔ°ÑÔËÐа´Å¥È¥µôÁË¡£
 
2. jQuery.get( url, [data], [callback] )£ºÊ¹ÓÃGET·½Ê½À´½øÐÐÒì²½ÇëÇó
²ÎÊý£º
url (String) :  ·¢ËÍÇëÇóµÄURLµØÖ·.
data (Map) : (¿ÉÑ¡) Òª·¢Ë͸ø·þÎñÆ÷µÄÊý¾Ý£¬ÒÔ Key/value µÄ¼üÖµ¶ÔÐÎʽ±íʾ£¬»á×öΪQueryString¸½¼Óµ½ÇëÇóURLÖС£
callback (Function) : (¿ÉÑ¡) ÔØÈë³É¹¦Ê±»Øµ÷º¯Êý(Ö»Óе±ResponseµÄ·µ»Ø×´Ì¬ÊÇsuccess²ÅÊǵ÷Óø÷½·¨)¡£
ÕâÊÇÒ»¸ö¼òµ¥µÄ GET ÇëÇó¹¦ÄÜÒÔÈ¡´ú¸´ÔÓ $.ajax ¡£ÇëÇó³É¹¦Ê±¿Éµ÷Óûص÷º¯Êý¡£Èç¹ûÐèÒªÔÚ³ö´íʱִÐк¯Êý£¬ÇëʹÓà $.ajax¡£Ê¾Àý´úÂ룺
$.get("./Ajax.aspx", {Action:"get",Name:"lulu"}, function (data, textStatus){
/


Ïà¹ØÎĵµ£º

ÓÐÓõÄAjax×Ô¶¯Ìáʾ½Å±¾ÊÕ¼¯

±¾ÎÄÊÕ¼¯ÁËһЩÓÐȤ²¢ºÜÓÐÓõÄ×Ô¶¯Ìáʾ½Å±¾£¬ËûÃÇÎÞÂÛ¶ÔÓÚ³õѧÕß»¹ÊÇרҵǰ¶Ë¿ª·¢ÈËÔ±¶¼ÊÇÊÊÓõġ£ÕâЩ½Å±¾°üÀ¨±ê×¼µÄ×Ô¶¯ÌáʾЧ¹û¡¢·Â
del.icio.usЧ¹û¡¢·ÂGoogelЧ¹ûÒÔ¼°Ê¹ÓÃ×Ô¶¯ÌáʾµÄ¸ß¼¶Êý¾Ý±í¹ýÂËЧ¹û¡£
ʹÓÃÒ»¸öºÏÊʵÄ×Ô¶¯Ìáʾ½Å±¾ÓÐЧµÄÌáÉýÄãµÄÍøÕ¾µÄÓû§ÌåÑé¡£
1. Ajax Auto Suggest v.2
AutoSuggest

ÀàÌ ......

Ajax¶¯Ì¬Éú³É±í

    ½ñÌìÓöµ½ÁËÒ»¸öÎÊÌ⣬JS²»Äܸù¾ÝAjax·µ»ØµÄDataTable¶¯Ì¬Éú³Étable,¸ñʽÈçÏ£º
   [Ajax.AjaxMethod()]
   public DataTable GetDataTable(string tablename)
   {
       DataTable Table=new DataTable();
     ......

Ajax/json/js ѧϰ±¸Íü

±Õ°ü¸ÅÄ±Õ°ü¾ÍÊÇÄܹ»¶ÁÈ¡ÆäËûº¯ÊýÄÚ²¿±äÁ¿µÄº¯Êý¡£
ÓÉÓÚÔÚJavascriptÓïÑÔÖУ¬Ö»Óк¯ÊýÄÚ²¿µÄ×Óº¯Êý²ÅÄܶÁÈ¡¾Ö²¿±äÁ¿£¬
Òò´Ë¿ÉÒ԰ѱհü¼òµ¥Àí½â³É“¶¨ÒåÔÚÒ»¸öº¯ÊýÄÚ²¿µÄº¯Êý”¡£
function f1(){
¡¡¡¡¡¡¡¡n=999;
¡¡¡¡¡¡¡¡function f2(){
¡¡¡¡¡¡¡¡¡¡¡¡alert(n);
¡¡¡¡¡¡¡¡}
¡¡¡¡¡¡¡¡return f2;
¡¡¡¡}
......

AjaxʵÏÖÔ­Àí

    µ±ÏÂÊ¢ÐеÄAjax
    ÏÖÔÚAjax¿ò¼ÜÊý²»Ê¤Êý£¬AjaxµÄ¹¦ÄÜҲ̫ÅÓ´óµÄÒÔÖÁÓÚËüÁ¬ËüµÄ¸¸±²Javascript¶¼´ø¶¯ÆðÀ´ÁË£¬¼ÇµÃÎÒ×î³õ½Ó´¥webµÄʱºòJavascript»¹Ã»µ½´ïÓÐÏÖÔڵĸ߶ȣ¬Èç½ñËæ×ſͻ§ÌáÐÑÔ½À´Ô½ÖØÒª£¬ºÜ¶àÈí¼þ¿ª·¢²¢²»½ö½öÍ£ÁôÔÚ¹¦ÄÜʵÏÖµÄÒªÇóÉÏ£¬¶øÊǸü×¢ÖØ½»»¥¡¢·ÖÏíºÍ»¥¶¯£¨ÕâÒ²ÊÇw ......

ajax XMLHttpRequest.readyStateÖÐStateµÄ"S"Òª´óд

<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¨xmlhtt ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ