AJAX DWR
ʹÓÃÔʼµÄXMLHttpRequest·¢³öÇëÇóʱ,Ö»ÄܶÔServletºÍJSP²Ù×÷
ÔÚJSPÖд´½¨3¸öfunction
1.createXmlHttpRequest----¸ºÔðÅжÏä¯ÀÀÆ÷ÀàÐÍ´´½¨ XMLHttpRequest¶ÔÏó
var xmlHttpRequest;
function createXMLHttpRequest(){
// IE ä¯ÀÀÆ÷
if(window.ActiveXObject){
return new ActiveXObject("Microsoft.XMLHTTP");
}else if(window.XMLHttpRequest){
// ·ÇIEä¯ÀÀÆ÷
return new XMLHttpRequest();
}
}
2.doLogin------¸ºÔð¸ü¼Ó´´½¨ºÃµÄXMLHttpRequest¶ÔÏó·¢³öÇëÇó
function doLogin(obj){
var url = "servlet/LoginServlet?userName="+obj.value;
// 1. ´´½¨XMLHttpRequest×é¼þ
xmlHttpRequest = createXMLHttpRequest();
// 2. ÉèÖûص÷º¯Êý
xmlHttpRequest.onreadystatechange = haoLeJiaoWo;
// 3. ³õʼ»¯XMLHttpRequest×é¼þ
// ʹÓÃget·½·¨µ÷ÓÃURL,true´ú±íÊÇÒì²½µÄ
xmlHttpRequest.open("GET",url,true);
// 4. ·¢ËÍÇëÇó
xmlHttpRequest.send(null);
alert("123");
}
3.haolejiaowo---¸ºÔð½øÐлص÷´¦Àí
function haoLeJiaoWo(){
// readyState-- =4±íʾµÃµ½ÁË·µ»Ø½á¹û
// status=200 ±íʾ³É¹¦¶øÇÒ²»³ö´í
/*
ÇëÇó״̬£º
0 -- δ³õʼ»¯
1 -- ³õʼ»¯
2 -- ·¢ËÍÇëÇó
3 -- ¿ªÊ¼½ÓÊܽá¹û
4 -- ½ÓÊܽá¹ûÍê±Ï
ÿ´Î״̬¸Ä±ä¶¼»áµ÷Õâ¸öº¯Êý
*/
if( xmlHttpRequest.readyState == 4 &
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¸Ð¾õ²»´íµÄÑùʽ
<style type="text/css">
.headerBg{cursor:hand;text-align:center;width:180px;height:21px;background-image:url(images/ajaxmenubg1.gif);FONT-SIZE: 12px;line-height:21px;} ......
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ÔÎĵØÖ·: http://www.ibm.com/developerworks/cn/xml/x-ajaxxml2/
Ajax ºÍ XML:
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Google Suggest ºÍGoogle MapµÄ³öÏÖ£¬ÒýÆðÁËÎÒÃÇWeb¿ª·¢ÕßµÄÒ»´ÎÕ𶯡£Ëæ×ÅAjax¼¼ÊõµÄ³öÏÖ¡¢Ê¢ÐУ¬±¾±»ºöÊÓÈÏΪÊǶþÁ÷±à³ÌÓïÑÔµÄJavaScript½Å±¾Ò²¿ªÊ¼ÁËеÄÊ¢ÐУ¬´óÁ¿µÄJavaScript¿ò¼ÜµÄ³öÏÖÈçMicrosoft Asp.Net Ajax¡¢jQueryµÈ¡£AjaxÒѾ³ÉΪÕâЩ½Å±¾¿ò¼Ü±Ø²»¿ÉÉÙµÄ×é³É²¿·ÖÁË£¬¶øÇÒAjaxµ ......
http://hi.baidu.com/cxzhang/blog/item/0166563892cc65fbb211c7b0.html.
http://topic.csdn.net/t/20030527/22/1842509.html
using System;
using System.Data;
using System.Text;
using System.Collections.Generic;
using System.Reflection;
public class ToJson
{
/// <summary>
......