¹ØÓÚAjaxÒì²½µ÷ÓóöÏÖ 404µÄÎÊÌâ
ÎÒдµÄÕâ¸ö´úÂëÒ»Ö±³öÏÖxmlHttp.status == 404 ¶øÇÒ xmlHttp.readyStateµÈÓÚ1¾Í¹ý²»È¥ÁË °ïæ¿´¿´ÎÊÌâÔÚÄÄÀ
C# code:
function showNum(str)
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("ÄúµÄä¯ÀÀÆ÷²»Ö§³ÖAJAX£¡");
return;
}
var url="ShowNum.aspx";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}
function stateChanged()
{
if (xmlHttp.readyState==4)
{
if (xmlHttp.status == 200) // ¼ÓÔØ³É¹¦
{
document.getElementById("num1").innerHTML=xmlHttp.responseText;
}
else //·¢Éú´íÎó
{
alert(xmlHttp.status);
}
}
}
function GetXmlHttpObject()
{
var xmlHttp;
// Ïȸù¾Ýä¯ÀÀÆ÷À´½¨Á¢XML¶ÔÏó
if(window.ActiveXObject)
{
try { //IEÏÂXML¶ÔÏó
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
catch(cy){
//IE5°æ±¾ÒÔÏÂXML¶ÔÏó,¾Ý˵µÄ,û²âÊÔ¹ý,·´ÕýÎÒ½¨Äĸö¶¼³É¹¦
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
}
}
else if(window.XMLHttpRequest){
// ÆäËûä¯ÀÀÆ÷,»ðºü,GOOGLE,Opera,µÈµÈ,¾Ý˵IE7ÒÔÉÏÒ²ÔÚ´ËÁÐ
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µã»÷Ò³ÃæÉÏÒ»¸öbutton£¬´¥·¢ÁíÒ»¸öAjaxÇëÇó(ajax2)¡£
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HuiFu.aspxÒ³Ãæ
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="HuiFu.aspx.cs" Inherits="fdfdcs" %>
<!DOCTYPE html PUBLIC &q ......
¡¡javascript´úÂëÈçÏ£º
$(document).ready(function() {
$("#btn2").click(function() {
¡¡¡¡ $.aja ......
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