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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);
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Function addURLParam(sURL, sParamName, sParamName){
         sURL += (sURL.indexOf(“?”) == -1 ? “?” : “&”);
         sURL += encodeURIComponent(sParamName) + “=” + encodeURIComponent(sParamName);
         return sURL;
}
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POSTÇëÇóͨ³£ÓÃÓÚÌá½»Êý¾Ý£¬±ÈGETÇëÇó¿ÉÒÔ·¢Ë͸ü¶àµÄÊý¾Ý£¨´óÔ¼2GB£©¡£
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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


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