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 ×îÐÂÎÄÕ : ajax

Ajax ½øÐÐPost´«ÖµºÍGet´«Öµ £¨¾­µä£©

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<script language="javascript">
function saveUserInfo()
{
//»ñÈ¡½ÓÊÜ·µ»ØÐÅÏ¢²ã
var msg = document.getElementById("msg");
//»ñÈ¡±íµ¥¶ÔÏóºÍÓû§ÐÅÏ¢Öµ
var f = document.user_info;
var userName = f.user_name.value;
var userAge   = f.user_age.value;
var userSex   = f.user_sex.value;
//½ÓÊÕ±íµ¥µÄURLµØÖ·
var url = "/ajax_output.php";
//ÐèÒªPOSTµÄÖµ£¬°Ñÿ¸ö±äÁ¿¶¼Í¨¹ý&À´Áª½Ó
var postStr   = "user_name="+ userName +"&user_age="+ userAge +"&user_sex="+ userSex;
//ʵÀý»¯Ajax
//var ajax = InitAjax();
          var ajax = false;
         //¿ªÊ¼³õʼ»¯XMLHttpRequest¶ÔÏó
         if(window.XMLHttpRequest) { //Mozilla ä¯ÀÀÆ÷
       & ......

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¡£
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//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 readyState ......

΢ÈíÐû²¼AJAX CDN

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΢ÈíAJAX CDN¼«´óµØ·½±ãÁ˽«jQueryºÍ ......

³õʶAjax¼¼Êõ1

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¶þ ³õʶAjax
1.    AjaxÊÇÒ»¸ö¿Í»§¶Ë¼¼Êõ£¬²»ÂÛÄãÏÖÔÚʹÓúÎÖÖ·þÎñÆ÷¶Ë¼¼Êõ£¬¶¼ÄÜʹÓÃAjax£¬¶ø²»¹ÜʹÓõÄÊÇJava¡¢.NET¡¢Ruby¡¢PHP»¹ÊÇCGI¡£
2.    AjaxÊÇÒ»ÖÖ»ùÓÚä¯ÀÀÆ÷µÄ·½·¨£»
3.    Ajax²»ÊÇȫеÄÍøÒ³¼¼Êõ£¬ËüÊÇÒÔÒ»ÖÖз½·¨À´ÕûºÏÏÖ´æµÄ¶àÖÖÍøÒ³¼¼Êõ£»
4.    Ч¹ûÈ磺Google Suggest£»
5.    AjaxÏà¹Ø¼¼ÊõÈçÏ£º
¡ô  HTML/XHTMLºÍCSS£ºÔÚä¯ÀÀÆ÷ÏÔʾÓû§½Ó¿ÚºÍ³ÊÏÖÏà¹ØÊý¾Ý£»
¡ô  JavaScript£»ËùÓеÄä¯ÀÀÆ÷¶¼Ö§³ÖJavaScript½Å±¾ÓïÑÔ¡£AJAXʹÓÃJavaScript½Å±¾ÓïÑÔÀ´²Ù×÷XmlHttpRequest¶ÔÏó¡¢²Ù×÷DOMºÍCSSµÈ¡£
¡ô  XML£º·þÎñÆ÷Òì²½´«µÝµÄÊý¾Ý£»
¡ô  XMLDOM:µ±ä¯ÀÀÆ÷Òì²½»ñÈ¡XMLÊý¾Ýºó£¬¿ÉÒÔ½øÒ»²½µÄʹÓÃJavaScript³ÌÐò´úÂëºÍXML DOMÀ´È¡³öÏà¹ØµÄÐÅÏ¢£»
¡ô  XMLHTTPRequest¶ÔÏó£ºJavaScript´úÂëʶͨ¹ýXMLHTTPRequest¶ÔÏóÀ´½¨Á¢Òì²½µÄHTTPÇëÇó£»
×¢Ò⣺¶ÔÓÚһЩÏà¹Ø¼¼Êõ£¬Äã²»±ØÊÇÕâ·½ÃæµÄ× ......

php ajax mysql±àÂëgb2312

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header('Content-type: text/html;charset=GB2312');
xmlHttp»áÕýÈ·½âÎöÆäÖеÄÖÐÎÄ¡£
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PHPÖУº
$GB2312string=iconv( ‘UTF-8′, ‘gb2312//IGNORE’ , $RequestAjaxString);
3¡¢PHPдÈëMySQLÊý¾Ý¿â
½¨Á¢connʱ£¬queryÒ»ÏÂset names “gb2312″ ......

php ajax mysql±àÂëgb2312

 1¡¢PHP·¢ËÍÖÐÎÄ¡¢Ajax½ÓÊÕ
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header('Content-type: text/html;charset=GB2312');
xmlHttp»áÕýÈ·½âÎöÆäÖеÄÖÐÎÄ¡£
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AjaxÖÐÏÈÓÃencodeURIComponent¶ÔÒªÌá½»µÄÖÐÎĽøÐбàÂë
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$GB2312string=iconv( ‘UTF-8′, ‘gb2312//IGNORE’ , $RequestAjaxString);
3¡¢PHPдÈëMySQLÊý¾Ý¿â
½¨Á¢connʱ£¬queryÒ»ÏÂset names “gb2312″ ......

php ajax mysql±àÂëgb2312

 1¡¢PHP·¢ËÍÖÐÎÄ¡¢Ajax½ÓÊÕ
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header('Content-type: text/html;charset=GB2312');
xmlHttp»áÕýÈ·½âÎöÆäÖеÄÖÐÎÄ¡£
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$GB2312string=iconv( ‘UTF-8′, ‘gb2312//IGNORE’ , $RequestAjaxString);
3¡¢PHPдÈëMySQLÊý¾Ý¿â
½¨Á¢connʱ£¬queryÒ»ÏÂset names “gb2312″ ......

VS2005 ʹÓÃAJAXÖ±½Óµ÷Óúǫ́·½·¨

Ê×Ïȶ¼ÊÇʹÓÃVS.Net2005´´½¨Ò»¸ö ASP.Net AJAX-Enabled Web Application
 1¡¢Ê¹ÓÃAJAXÖ±½Óµ÷Óúǫ́·½·¨£º
ºǫ́´úÂ룺
namespace AJAX1
{
    public partial class _Default : System.Web.UI.Page
    {
        // ÐèÒª±êʶΪWebMethod 
        [System.Web.Services.WebMethod]
        // ×¢Ò⣬ҪÈÃǰ̨µ÷Óõķ½·¨£¬Ò»¶¨ÒªÊÇpublicºÍstaticµÄ 
        public static string Hello(string name)
        {
            return "Hello:" + name;
        }
    }
}
 
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="AJAX1._Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w ......
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