Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavaScript½øÐÐGETºÍPOSTÇëÇó

JavaScript½øÐÐGETºÍPOSTÇëÇó
WebÉÏ×î³£¼ûµÄÇëÇó¾ÍÊÇGETÇëÇó.ÿ´ÎÔÚä¯ÀÀÆ÷ÖÐÊäÈëURL²¢´ò¿ªÒ²Ã×ÄÉÊÐ,¾ÍÊÇÔÚÏò·þÎñÆ÷·¢ËÍÒ»¸öGETÇëÇó.
GETÇëÇó£º
GETÇëÇóµÄ²ÎÊýʹÓÃÎʺÅ×·¼Óµ½URLµÄ½áβ,ºóÃ×ÄɸøÕâÓÃ&ºÃÁ¬½ÓÆðÀ´µÄÃû³Æ/Öµ.ÀýÈç:
http://www.somewhere.com/page.php?name1=value1&name2=value2&name3=value3
ÿ¸öÃû³ÆºÍÖµ¶¼ÊÇÔÚ±àÂëºó²ÅÄÜÓÃÔÚURLÖУ¨ÔÚjavaScriptÖпÉÒÔÓÃencodeURIComponent()½øÐбàÂ룩¡£URL×î´ó³¤¶ÈΪ2048×Ö·û£¨2KB£©¡£ÎʺúóÃ×ÄɵÄÄÚÈݳÉΪ²éѯ×Ö·û´®£¬ÕâЩ²ÎÊý¿ÉÒÔÔÚ·þÎñÆ÷¶ËµÄÒ³ÃæÖжÁÈ¡¡£
ÒªÓÃXMLHTTPÇëÇó¶ÔÏó·¢ËÍÒ»¸öGETÇëÇó¡£Ö»Ð轫URL£¨°üº¬ËùÓеIJÎÊý£©´«Èëopen()·½·¨¡£Í¬Ê±µÚÒ»¸ö²ÎÊý¶ÎÉèΪ”get”:
oRequest.open(“get”, “http://www.somewhere.com/page.php?name=value”, false);
ÒòΪ²ÎÊý±ØÐëÖð¼Òµ½URLµÄĩ⣬ËùÒÔ×îºÃÓÃÒ»¸öº¯ÊýÀ´´¦Àí´Ëϸ½Ú£º
Function addURLParam(sURL, sParamName, sParamName){
         sURL += (sURL.indexOf(“?”) == -1 ? “?” : “&”);
         sURL += encodeURIComponent(sParamName) + “=” + encodeURIComponent(sParamName);
         return sURL;
}
Èý¸ö²ÎÊý·Ö±ðΪ£ºÒªÌí¼ÓµÄURL£¬²ÎÊýÃû³ÆºÍ²ÎÊýÖµ¡£
POSTÇëÇó£º
POSTÇëÇóͨ³£ÓÃÓÚÌá½»Êý¾Ý£¬±ÈGETÇëÇó¿ÉÒÔ·¢Ë͸ü¶àµÄÊý¾Ý£¨´óÔ¼2GB£©¡£
¹¹ÔìPOSTµÄÇëÇó²ÎÊýµÄº¯Êý£º
Function addPostParam(sParams, sParamName, sParamValue){
         if(sParams.length>0){sParams += “&”};
         return sParams +encodeURIComponent(sParamName) + “=”
          + encodeURIComponent(sParamName);
}
½ÓÏÂÀ´ÎªÁËÄÜʹPOSTÇëÇóµÄ·þÎñÆ÷¶ËÒ³ÃæÕýÈ·µÄ½âÊÍÓд˺¯Êý¹¹ÔìµÄ²ÎÊý×Ö·û´®£¬ÐèÒª½«POSTÇëÇóÊײ¿“Content-Type”ÉèÖÃΪ“application/x-www-urlencoded”£¬ËùÒÔÐèҪʹÓÃsetRequestHeader()·½·¨ÉèÖÃÕâ¸öÊײ¿£º
var sParams = ‘ ‘;
sParams = addPostParam();
oRequest.open(&ldq


Ïà¹ØÎĵµ£º

¡¶Îò͸javascript¡·Ñ§Ï°±Ê¼Ç£º¾Å¡¢Ô­Ðͱ϶

ÒýÑÔ
 
      prototypeÔ´×Ô·¨ÓÈí¼þ½çµÄ±ê×¼·­ÒëΪ“Ô­ÐÍ”£¬´ú±íÊÂÎïµÄ³õʼÐÎ̬£¬Ò²º¬ÓÐÄ£ÐͺÍÑù°åµÄÒâÒå¡£
 
prototypeÊôÐÔ
 
JavaScriptµÄËùÓÐfunctionÀàÐ͵ĶÔÏó¶¼ÓÐÒ»¸öprototypeÊôÐÔ¡£Õâ¸öprototypeÊôÐÔ±¾ÉíÓÖÊÇÒ»¸ö object ÀàÐ͵ĶÔÏó£¬Òò´ËÎÒÃÇÒ²¿ÉÒÔ¸ ......

javascript¼¼ÇÉ×Öµä

ÿһÏî¶¼ÊÇjsÖеÄС¼¼ÇÉ£¬µ«Ê®·ÖµÄʵÓã¡
1.document.write(""); Êä³öÓï¾ä
2.JSÖеÄ×¢ÊÍΪ//
3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document->html->(head,body)
4.Ò»¸öä¯ÀÀÆ÷´°¿ÚÖеÄDOM˳ÐòÊÇ:window->(navigator,screen,history,location,document)
5.µÃµ½±íµ¥ÖÐÔªËØµÄÃû³ÆºÍÖµ:document.getElementById("±íµ¥ÖÐÔªËØµÄ ......

JavaScript ÕýÔò±í´ïÊ½Ìæ»»

¼òµ¥µÄÀý×Ó£¬×Ô¼º¿´¿´£¬Ê¡µÃÒÔºóÀÏÊÇÈ¥ÕÒÁË¡£
<script language="javascript">
//ÓÃÕýÔòÌæ»»½«XÌæ»»³Éy
var s="daxdasx";//Ô­×Ö·û´®
var k="x";//±»Ìæ»»µÄ×Ö¶Î
var re = new RegExp(k,"g");
alert("Ìæ»»Ç°×Ö·û´®Îª£º"+s);
s = s.replace(re,"y");
alert("Ìæ»»ºó×Ö·û´®Îª£º"+s);
</script> ......

»ùÓÚJavaScriptºÍCSSµÄWebͼ±í¿ò¼ÜºáÏò¶Ô±È

jQuery, MooTools, Prototype µÈÓÅÐãµÄ JavaScript ¿ò¼ÜÓµÓи÷ÖÖÇ¿´óµÄ¹¦ÄÜ£¬°üÀ¨»æÖÆ Web ͼ±í£¬Ê¹ÓÃÕâЩ¿ò¼ÜÒÔ¼°ÏàÓ¦²å¼þ£¬ÎÒÃÇ¿ÉÒԷdz£ÇáËɵØÊµÏÖÇúÏßͼ£¬Ô²±ýͼ£¬Öù״ͼµÈ Web ͼ±íµÄ»æÖÆ£¬¶ø²»±ØÏóÒÔÍùÄÇÑùͨ¹ý¸´Ô Flash ¼¼ÊõʵÏÖ¡£±¾ÎĽéÉÜÁË9¸öÓÅÐãµÄ»ùÓÚ JavaScript Óë CSS µÄ Web ͼ±í¿ò¼Ü¡£ 1. Flot Flot ......

ÔÚjavascriptÖлñÈ¡ÖÐÓ¢ÎÄ×Ö·û³¤¶ÈµÄÎÊÌâ


ÔÚjavascriptÖлñÈ¡ÖÐÓ¢ÎÄ×Ö·û³¤¶ÈµÄÎÊÌâ
var i="Öйúa";
Ò»°ãÇé¿öÏ£¬ÎÒÃÇÓÃi.length»áµÃµ½½á¹û3
µ«ÓÐʱºòÎÒÃÇÐèÒª5£¬ÏÂÃæµÄС´úÂë¿ÉÒÔ½â¾öÎÊÌâ
Java´úÂë
 1. <script>     
 2.  alert (fucCheckLength("Öйúaaaa"));     
& ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ