¼òµ¥ajax´úÂë¡£
<script type="text/javascript">
<!--
//½«Óû§ÊäÈëÒì²½Ìá½»µ½·þÎñÆ÷
function ajaxSubmit(){
//»ñÈ¡Óû§ÊäÈë
var question=document.forms[0].question.value;
//´´½¨XMLHttpRequest¶ÔÏó
var xmlhttp;
try{
xmlhttp=new XMLHttpRequest();
}catch(e){
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
//´´½¨ÇëÇó½á¹û´¦Àí³ÌÐò
xmlhttp.onreadystatechange=function(){
if (4==xmlhttp.readyState){
if (200==xmlhttp.status){
var data=xmlhttp.responseText;
document.getElementById("result").innerHTML=data;
}else{
alert("error");
}
}
}
//´ò¿ªÁ¬½Ó£¬true±íʾÒì²½Ìá½»
xmlhttp.open("post", "/dict/servlet/dictAction", true);
//µ±·½·¨ÎªpostʱÐèÒªÈçÏÂÉèÖÃhttpÍ·
xmlhttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
//·¢ËÍÊý¾Ý
xmlhttp.send("question="+question);
}
</script>
Ïà¹ØÎĵµ£º
ASP.NET,AJAXÎļþÉÏ´«µÄÒÉÎÊ
Ô±¾ÒÔΪÓÃÕâÖÖ·½Ê½£¬°Ñ´Ë·½·¨·Åµ½Ò»¸öHttphandlerÖУ¬È»ºó´ÓJAVASCRIPT·ÃÎÊHttphandlerÀ´ÊµÏÖÎÞˢеÄÎļþÉÏ´«¡£Ã»Ïëµ½£¬ÕâÑùͬÑùÊDz»Ðеģ¬Ö»ÄÜÔÚ±¾»ú²âÊÔͨ¹ý£¬Èç¹û·Åµ½ÍøÉÏ£¬»òÕß´ÓÆäËûµØ·½·ÃÎʾͻáÌáʾÎÞ·¨ÕÒµ½Îļþ£¬¿É¼ûÔÚASP.NETÖÐËüÖ»ÄÜÓÃÓÚÉÏ´«·þÎñÆ÷¶ËµÄÎļþ¡£
֮ǰÔÚÍøÕ¾Ò²Ë ......
$.ajax({
type: "post",
url: loginUrl,
data: "username=" +uname + "&password=" +pwd,
async: ......
AJAX (Òì²½ JavaScript ºÍ XML) ÊǸöвúÉúµÄÊõÓï,רΪÃèÊöJavaScriptµÄÁ½ÏîÇ¿´óÐÔÄÜ.ÕâÁ½ÏîÐÔ
ÄÜÔÚ¶àÄêÀ´Ò»Ö±±»ÍøÂ翪·¢ÕßËùºöÂÔ,Ö±µ½×î½üGmail, Google suggestºÍgoogle MapsµÄºá¿Õ³öÊÀ²ÅʹÈË
ÃÇ¿ªÊ¼Òâʶµ½ÆäÖØÒªÐÔ.
ÕâÁ½Ïî±»ºöÊÓµÄÐÔÄÜÊÇ:
* ÎÞÐèÖØÐÂ×°ÔØÕû¸öÒ³Ãæ±ãÄÜÏò·þÎñÆ÷·¢ËÍÇëÇó.
* ¶ÔXMLÎĵµµÄ½âÎöºÍ´¦Àí£®
......
Ajax½éÉÜ
AJAX - ä¯ÀÀÆ÷Ö§³Ö
AJAX µÄÒªµãÊÇ XMLHttpRequest ¶ÔÏó¡£²»Í¬µÄä¯ÀÀÆ÷´´½¨ XMLHttpRequest ¶ÔÏóµÄ·½·¨ÊÇÓвîÒìµÄ¡£IE ä¯ÀÀÆ÷ʹÓà ActiveXObject£¬¶øÆäËûµÄä¯ÀÀÆ÷ʹÓÃÃûΪ XMLHttpRequest µÄ JavaScript ÄÚ½¨¶ÔÏó¡£ÈçÐèÕë¶Ô²»Í¬µÄä¯ÀÀÆ÷À´´´½¨´Ë¶ÔÏó£¬ÎÒÃÇҪʹÓÃÒ»Ìõ "try and catch" Óï¾ä¡£
<script type="t ......