ajaxʵÏÖgoogle/baiduÊäÈëÌáʾ¿ò
var http_request;
function find(txt) {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
http_request.onreadystatechange = function() {
if (http_request.readyState == 4) {
if (http_request.status == 200) {
var inputTxt = txt;
var xml = http_request.responseXML;
if (document.all.mydiv != undefined) {
document.all.mydiv.removeNode(true);
}
var list = xml.selectNodes("keys/key");
if (list.length > 0) {
var mydiv = document.createElement("div");
mydiv.id = "mydiv";
my
Ïà¹ØÎĵµ£º
Ajax(Asynchronous JavaScript and XML)˵µ½µ×¾ÍÊÇÒ»ÖÖä¯ÀÀÆ÷Òì²½¶ÁÈ¡·þÎñÆ÷ÉÏXMLÄÚÈݵļ¼Êõ¡£ÏÖÔڵļ¼Êõ·²ÊǸúXML³¶ÉϹØÏµ£¬ÔÙ¼ÓÉϸö¸ÅÄî×ö»Ï×Ó£¬¾ÍÏñ½ð×°ÁËÒ»Ñù£¬×§µÃ²»ÐС£ÃÅÍâ µÄÈË¿´µÃºÜÊÇÈÈÄÖ£¬ÃÅÀïµÄÈËÒ¡Ò¡Í·²»ÍâÈçÊÇ¡£XMLÄØ£¬¿çƽ̨µÄг±ÓïÑÔ£¿ÆäʵXML£½TXT¡£
XMLÖ»ÊÇ·ûºÏºÜ¶à¹æ·¶µÄÎı¾¡£Ëü±¾Éíʲô¶¼²»ÊÇ£¬Ö ......
Ò».AjaxProµÄʹÓÃ
1.ÔÚÏîÄ¿ÖÐÌí¼ÓÒýÓã¬ä¯ÀÀÕÒµ½AjaxPro.2.dllÎļþ
2.ÔÚWeb.configÖеÄsystem.webÀïÃæÐ´ÈëÒÔÏ´úÂë
</configuration>
<system.web>
<httpHandlers>
<add verb="*" path="*.ashx" type="AjaxPro.AjaxHandlerFactory,AjaxPro.2"/>
</httpHandlers>
</system.web> ......
<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>index</title>
<meta http-equiv="pragma" content="no-cache"&g ......
AjaxµÄIE»º´æÎÊÌ⣬»áÔì³ÉÓÃopenʱÓÃget·½·¨²»ÄÜÖØ¸´Ìá½»,µ¼Ö»ñÈ¡²»µ½ÊµÊ±µÄÐÅÏ¢¡£½â¾öµÄ°ì·¨ÓÐÒÔϼ¸ÖÖ£º
1.¿Í»§¶ËÔÚurlºóÌí¼ÓËæ»úÊý.
new Date().getTime()»òÕßMath.Random()
»òÕßËÍÇëÇóǰ¼ÓÉÏ
XMLHttpRequest.setRequestHeader("If-Modified-Since","0")
2.»òÕßÓÃpost·½·¨Ìá½»  ......
1£ºAjax¿ÉÒÔͨ¹ýJavaScriptµÄXMLHttpRequest¶ÔÏóÓë·þÎñÆ÷½øÐÐͨÐÅ£¬Í¨¹ýXMLHttpRequest£¬JavaScript¿ÉÒÔÔÚ²»ÖØÔØÒ³ÃæµÄÇé¿öÏÂÓë·þÎñÆ÷½øÐÐͨÐÅ¡£
2£ºXMLHttpRequest ä¯ÀÀÆ÷Ö§³Ö
<script type="text/javascript">
function ajaxFunction()
{
var xmlHttp;
try
{
xmlHtt ......