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 ×îÐÂÎÄÕ : ajax

·Â°Ù¶ÈajaxËÑË÷Ìáʾ£¨jsp£©

<%@ 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">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">    
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
  <style type="text/css">
  body{
   font-size:0.75em;
   border:0;
   margin:250px 0 0 0;
   padding:0;
   }
  #content{
   width:450px;
   margin:auto;}
  
  #key{
   width:30 ......

·Â°Ù¶ÈajaxËÑË÷Ìáʾ£¨jsp£©

<%@ 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">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">    
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
  <style type="text/css">
  body{
   font-size:0.75em;
   border:0;
   margin:250px 0 0 0;
   padding:0;
   }
  #content{
   width:450px;
   margin:auto;}
  
  #key{
   width:30 ......

javaÖÐʹÓÃAjax¼¼Êõ

      ajax¼¼ÊõÊÇʹҳÃæÄֲܾ¿Ë¢ÐµÄÒ»ÖÖ¼¼Êõ,È«³ÆÓ¦¸ÃÊÇasynchronous JavaScript and xml´Ó¼¸¸öµ¥´Ê¾ÍÖªµÀËüµÄÇëÇóÏìÓ¦µÄ´¦ÀíÊÇÒì²½µÄ,¶øÇÒʹÓõÄÊÇJavaScriptºÍxml¼¼Êõ.
      ÎÒÃÇÔÚjavaÖÐʹÓÃajax¼¼Êõ×î¼òµ¥µÄÊÇʹÓÃËüµÄÒ»¸ö¿ò¼ÜdwrÖ»Òªµ¼ÈëÕâ¸ö°ü,×öÏàÓ¦µÄÅäÖÃ,¿ÉÊÇÎÒҪ˵µÄÊDZȽÏÂé·³µÄ¾ÍÊÇʹÓÃXmlHttpRequest×é¼þ.¾ßÌåµÄ´úÂëÈçÏÂ:1¡£³õʼ»¯·½·¨ÓÃÀ´Íê³ÉºËÐĶÔÏóµÄ³õʼ»¯.µ±È»ÕâЩ¶¼ÊÇÔÚJavaScriptÖÐÈ¡±àд.
var xmlRequest;
function createXMLRequest()
{
//Ê×ÏÈÅжÏä¯ÀÀÆ÷
if(windows.xmlHttpRequest)//»ðºüä¯ÀÀÆ÷
{
xmlRequest=new xmlHttpRequest;
}
if(IE.ActiveXObject)
{
xmlRequest=new ActiveXObject("microsoft.xmlHttp");
}
}
//ºÍ·þÎñÆ÷½¨Á¢Á¬½Ó
function search()
{
init();
var words = document.getElementById("words").value;
ajaxCoreObject.open("POST","DictServlet",true);
ajaxCoreObject.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
ajaxCoreObject.onreadystatechange = callBack;
aj ......

javaÖÐʹÓÃAjax¼¼Êõ

      ajax¼¼ÊõÊÇʹҳÃæÄֲܾ¿Ë¢ÐµÄÒ»ÖÖ¼¼Êõ,È«³ÆÓ¦¸ÃÊÇasynchronous JavaScript and xml´Ó¼¸¸öµ¥´Ê¾ÍÖªµÀËüµÄÇëÇóÏìÓ¦µÄ´¦ÀíÊÇÒì²½µÄ,¶øÇÒʹÓõÄÊÇJavaScriptºÍxml¼¼Êõ.
      ÎÒÃÇÔÚjavaÖÐʹÓÃajax¼¼Êõ×î¼òµ¥µÄÊÇʹÓÃËüµÄÒ»¸ö¿ò¼ÜdwrÖ»Òªµ¼ÈëÕâ¸ö°ü,×öÏàÓ¦µÄÅäÖÃ,¿ÉÊÇÎÒҪ˵µÄÊDZȽÏÂé·³µÄ¾ÍÊÇʹÓÃXmlHttpRequest×é¼þ.¾ßÌåµÄ´úÂëÈçÏÂ:1¡£³õʼ»¯·½·¨ÓÃÀ´Íê³ÉºËÐĶÔÏóµÄ³õʼ»¯.µ±È»ÕâЩ¶¼ÊÇÔÚJavaScriptÖÐÈ¡±àд.
var xmlRequest;
function createXMLRequest()
{
//Ê×ÏÈÅжÏä¯ÀÀÆ÷
if(windows.xmlHttpRequest)//»ðºüä¯ÀÀÆ÷
{
xmlRequest=new xmlHttpRequest;
}
if(IE.ActiveXObject)
{
xmlRequest=new ActiveXObject("microsoft.xmlHttp");
}
}
//ºÍ·þÎñÆ÷½¨Á¢Á¬½Ó
function search()
{
init();
var words = document.getElementById("words").value;
ajaxCoreObject.open("POST","DictServlet",true);
ajaxCoreObject.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
ajaxCoreObject.onreadystatechange = callBack;
aj ......

javascript to ajax(Ò»)

AJAX ÔÚä¯ÀÀÆ÷Óë Web ·þÎñÆ÷Ö®¼äʹÓÃÒì²½Êý¾Ý´«Ê䣨HTTP ÇëÇ󣩣¬ÕâÑù¾Í¿ÉʹÍøÒ³´Ó·þÎñÆ÷ÇëÇóÉÙÁ¿µÄÐÅÏ¢£¬¶ø²»ÊÇÕû¸öÒ³Ãæ¡£
AJAX »ùÓÚ Web ±ê×¼
AJAX »ùÓÚÏÂÁÐ Web ±ê×¼£º
JavaScript
XML
HTML
CSS
ÔÚ AJAX ÖÐʹÓÃµÄ Web ±ê×¼Òѱ»Á¼ºÃ¶¨Ò壬²¢±»ËùÓеÄÖ÷Á÷ä¯ÀÀÆ÷Ö§³Ö¡£AJAX Ó¦ÓóÌÐò¶ÀÁ¢ÓÚä¯ÀÀÆ÷ºÍƽ̨¡£
Deafault.aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="XmlWeb._Default" %>
<!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 id="Head1" runat="server">
    <title>ÎÞ±êÌâÒ³</title>
    <script language="javascript" type="text/javascript">
        function ajaxFunction() {
            var xmlhttp;
            try { ......

javascript to ajax(Ò»)

AJAX ÔÚä¯ÀÀÆ÷Óë Web ·þÎñÆ÷Ö®¼äʹÓÃÒì²½Êý¾Ý´«Ê䣨HTTP ÇëÇ󣩣¬ÕâÑù¾Í¿ÉʹÍøÒ³´Ó·þÎñÆ÷ÇëÇóÉÙÁ¿µÄÐÅÏ¢£¬¶ø²»ÊÇÕû¸öÒ³Ãæ¡£
AJAX »ùÓÚ Web ±ê×¼
AJAX »ùÓÚÏÂÁÐ Web ±ê×¼£º
JavaScript
XML
HTML
CSS
ÔÚ AJAX ÖÐʹÓÃµÄ Web ±ê×¼Òѱ»Á¼ºÃ¶¨Ò壬²¢±»ËùÓеÄÖ÷Á÷ä¯ÀÀÆ÷Ö§³Ö¡£AJAX Ó¦ÓóÌÐò¶ÀÁ¢ÓÚä¯ÀÀÆ÷ºÍƽ̨¡£
Deafault.aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="XmlWeb._Default" %>
<!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 id="Head1" runat="server">
    <title>ÎÞ±êÌâÒ³</title>
    <script language="javascript" type="text/javascript">
        function ajaxFunction() {
            var xmlhttp;
            try { ......

Ajaxʵʱ»ñÈ¡ÐÅÏ¢

AjaxµÄIE»º´æÎÊÌ⣬»áÔì³ÉÓÃopenʱÓÃget·½·¨²»ÄÜÖظ´Ìá½»,µ¼Ö»ñÈ¡²»µ½ÊµÊ±µÄÐÅÏ¢¡£½â¾öµÄ°ì·¨ÓÐÒÔϼ¸ÖÖ£º 
1.¿Í»§¶ËÔÚurlºóÌí¼ÓËæ»úÊý. 
new Date().getTime()»òÕßMath.Random() 
»òÕßËÍÇëÇóÇ°¼ÓÉÏ 
XMLHttpRequest.setRequestHeader("If-Modified-Since","0") 
2.»òÕßÓÃpost·½·¨Ìá½» 
3.·þÎñÆ÷¶Ë½ûÓûº´æ. 
response.setHeader("Pragma","No-cache"); 
response.setHeader("Cache-Control","no-cache"); 
response.setDateHeader("Expires", 0); ......

AjaxÊ×ÂÖʵ¼ù¾­Àú

      ÕâÀïҪ˵µÄûÓдóµÀÀí£¬Ã»ÓÐÔ­Àí£¬Ã»ÓиßÉîµÄ¼¼Êõ£¬Ã»ÓÐYY£¬Ö»ÊÇ×Ô¼ºµÄÒ»´Î¾­Àú£¬ÈռǶøÒÑ¡£ÒÔ·ÀÒÔºóÍü¼ÇÁË£¬ÏÖÔÚдÏÂÀ´¿ÉÒÔ×÷Ϊ²Î¿¼¡£
     
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µØµã£º3Â¥
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½á¹û£ºÄ£ÄâÒ»¸öÍøÕ¾µÄ¾Ö²¿Ë¢Ð¹¦ÄÜ
ÉùÃ÷£ºÐÂÊÖ£¬¶ÔAjaxµÚÒ»´ÎʹÓÃ
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µÚ¶þ²½£º´ò¿ªcsÎļþ£¬¸ù¾Ýʵ¼ÊÇé¿ö¸ü¸Ä¡¡_Default
protected void Page_Load(object sender, EventArgs e)
{
//×¢²á¡¡Ajax
Ajax.Utility.RegisterTypeForAjax(typeof(_Default));
//¿ÉÒÔÏÔʾһÏÂʱ¼ä£¬¼ì²âÓÐûÓÐÕûҳˢÐÂ,Èç¹ûµã°´Å¥Ê±¼ä±äÁ˾ÍÊÇ
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Response.Write(DateTime.Now);
}
µÚÈý²½£ºËæ±ãдһ¸öº¯Êý
//µ÷Óá¡Ajax ·½·¨
[Ajax.AjaxMethod]
public string map_jiaotong()
{
//ÄãµÄ¹¦ÄÜ´úÂë
}
µ ......

µÚ¶þ²½£º·ºÐÍͨÓö¯Ì¬²éѯ(LinQ+Ajax)

ÎҵĴºÇï³ÕÃεڶþ²½£º
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ºǫ́¼¸ºõ²»Ðèд´úÂë¡£
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µ÷ÓõĶÔÏ󣬵ڼ¸Ò³£¬ÊôÐ﵀ ¹ýÂË ºÍËÑË÷È«ÊÇ Ç°Ì¨µÄAjax²ÎÊý¿ØÖÆ
(ÎÒÊÇǰ̨£º#$!@#$%$^#$%# )
ÏÂÃæ˵˵ÎÒµÄ˼·°É£º
1.ǰ̨·¢³öÇëÇó дÃ÷ µ÷ÓÃµÄ modleName ºÍ һЩÊôÐÔ µÄ¹ýÂË 
È磺Author like,1
ModelName
Article   ËÑË÷×÷Õß °üº¬ 1   ¶ÔÏóÃû ÎÄÕÂ
2.ºǫ́½ÓÊÜ ´¦Àí´«µÝµÄ²ÎÊý
3.¸ù¾Ý ¶ÔÏóÃû µ÷Óà ¶ÔÏó ²¢¹ýÂË
4.¸ù¾Ý ¶ÔÏóÃû ·µ»Ø ¶ÔÓ¦ Ò³Ãæ
 1.ǰ̨JS ´úÂë
ǰ̨´úÂë
//================================================
//ºǫ́ÈÎÒ» ÀàÐÍ Áбí
//================================================
function AjaxForList(duixiang, pageid) {
var searchWords = $("#SearchWords").val();
var searchType = $("#SearchType").val();
var channelId = $("#list").val();
var IsRecycle = $("#IsRecycle").attr("checked");
//ÅÅÐòÃû
var sortName = "Crea ......
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