±íµ¥ajaxÌá½»ÂÒÂëÎÊÌâ
ÎÊÌâ
ÔÚÏÖÓÐÖ÷Õ¾ÖÐʹÓõÄÊÇÊÇGBK±àÂëµÄ£¬µ±±íµ¥Ê¹ÓÃform submit·½Ê½µÝ½»µÄ»°Ã»ÓÐÎÊÌ⣬·þÎñÆ÷¶ËÄܹ»Õýȷʶ±ð×Ö·û±àÂë¡£µ«ÊÇ£¬µ±¿Í»§¶ËʹÓÃajaxµÄ·½Ê½µÝ½»±íµ¥µÄ»°£¬·þÎñÆ÷¶Ëʶ±ð¿Í»§¶ËµÝ½»µÄ±íµ¥µÄÄÚÈÝ£¬µ±ÄÚÈÝÖÐÓÐÖÐÎÄ×Ö·ûµÄ»°¾Í»á³öÏÖÂÒÂëÏÖÏó¡£
ÔÒò·ÖÎö
¾¿ÆäÔÒò£¬ÆäʵºÜ¼òµ¥£¬Ê¹ÓÃajax·½Ê½Ìá½»µÄ±íµ¥ÊÇÓÃutf-8±àÂëÀ´Ìá½»µÄ£¬ÕâÑù·þÎñÆ÷¶ËÔÚ½ÓÊÕ¿Í»§¶Ë±íµ¥µÄÄÚÈݵÄʱºò»¹ÊÇ°´ÕÕGBK»òÆäËû±àÂ뷽ʽÀ´½âÎöµÄ£¬×ÔÈ»½âÎö³öÀ´µÄÄÚÈÝ»á³öÏÖÂÒÂëÁË¡£
±íµ¥ÄÚÈÝ¿ÉÒÔͨ¹ýGET»òPOST·½Ê½·¢ËÍ£¬µ«ÊÇÓÃÕâÁ½ÖÖ·½Ê½Óм¸¸ö²»Í¬Ö®´¦£¬¶Ô“ÄãºÃ”µ÷ÓÃjavascriptº¯ÊýencodeURI£¨£©½âÎöÖ®ºóµÃµ½µÄ×Ö·û´®Îª“%E4%BD%A0%E5%A5%BD”£¬ÐèҪעÒâµÄÒ»µã£¬encodeURI£¨£©Õâ¸öº¯ÊýÖ»»á¶Ô×Ö·û´®½øÐÐutf8±àÂë¡£µ±¿Í»§¶Ë°Ñ“%E4%BD%A0%E5%A5%BD”Õâ¶Î×Ö·û´®Í¨¹ýGET»òÕßPOST·½Ê½·¢ËͻᷢÉúʲôÊ¡£
1.GET·½Ê½
µ±ÓÃget·½Ê½Ìá½»±íµ¥£¬ÔÚ·þÎñ¶ËµÄtomcat·þÎñÆ÷ÖлáÓÃÒ»¸öconnectorÀ´×Ô¶¯½âÎö±àÂëÖ®ºó×Ö·û´®£¬ÒÔÏÂÊÇconnectorµÄÅäÖýڵ㣺
<Connector port="80"
maxHttpHeaderSize="8192"
maxThreads="150" minSpareThreads="25"
maxSpareThreads="75"
enableLookups="false" redirectPort="8443"
acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true"
URIEncoding="GBK" />
ÉÏÃæÅäÖÃÖÐÓÐÒ»¸öÊôÐÔURIEncoding="GBK"µÄ×÷ÓÃÊÇ£¬µ±¿Í»§¶Ëget·¢ËÍÐÅÏ¢ÖÐÓÐencodeģʽµÄ×Ö·û´®¾ÍÊÇÓÃgbkÀ´decodeËü¡£ºÍÒź¶£¬Ö÷Õ¾·þÎñÆ÷ÖеÄURIEncodingÊôÐÔÊÇgbk²»ÄܱäÁË£¬¶ø¿Í»§¶ËencodeURI£¨£©Ö»ÄܱàÂëUTF-8µÄ×Ö·û¡£ËùÒÔ£¬ÓÃÕâÖÖ·½Ê½·¢Ë͵Ä×Ö·û´®ÔÚ·þÎñÆ÷¶Ë¾Í»á³öÏÖÂÒÂëÏÖÏó¡£
2. POST·½Ê½
µ±¿Í»§¶Ë·¢ËÍ“%E4%BD%A0%E5%A5%BD”×Ö·û´®Ê±£¬ÊÇͨ¹ýYAHOO.util.ConnectÕâ¸ö¿Ø¼þÀ´·¢Ë͵ģ¬Èç¹û¿Í»§¶ËÄÜÕý³£µØ·¢ËÍ“%E4%BD%A0%E5%A5%BD”Õâ¸ö×Ö·û´®£¬·þÎñ¶Ë½ÓÊÕµ½Ö®ºó²¢²»»á×ö¶îÍâµÄתÒ壬µ«ÊÇYAHOO.util.Connect ½«encodeÖ®ºó×Ö·û´®´«¸øConnect¿Ø¼þÖ®ºó£¬Õâ¸ö¿Ø¼þÔÚÄÚ²¿»á½«encodeÖ®ºóµÄ×Ö·ûÔÙdecodeÖ®ºóÔÙ·¢ËÍ£¬ÒòΪ·¢Ë͵ÄÊÇutf-8¸ñʽµÄÄÚÈÝ£¬ËùÒÔ·þÎñÆ÷¶Ë¾Í»á³öÏÖÂÒÂë¡£
½â¾ö°ì·¨
³¢ÊÔÁËÒÔÉÏgetºÍpost·½Ê½Ö®ºó£¬¾õµÃÔÚÇëÇóµÄURLÉÏ·¢ËÍÊý¾ÝÂÒÂëÎÊÌâµÄ½â¾ö·½°¸±È½ÏÂé·³£¬¿öÇÒ£¬httpÐÒéÖÐÒѾÃ÷ȷ˵ÁËgetºÍpostµÄÇø±ð£¬getÊÇ´Ó·þÎñÆ÷¶ËÄÃһЩ¶«Î÷£¬¶øpostÊÇÏò·þÎñÆ÷´«Ê䶫Î÷¡£get·½Ê½Ïò·þÎñÆ÷¶Ë·¢Ë
Ïà¹ØÎĵµ£º
var xmlHttp;
var flag = false;
function createXMLHttpRequest()
{
if(window.ActiveXObject)
{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
else if(window.XMLHttpRequest)
{
xmlHttp=new XMLHttpRequest();
}
}
fu ......
ajaxµÄ¹¦ÄÜÖ÷ÒªÊÇÓ¦ÓÃÔÚjsÉÏ£¬ajax¶ÔaspûʲôҪÇó£¬aspÖ»¸ºÔðÔÚºǫ́ÏÔʾ¼°²Ù×÷·þÎñ¶ËµÄÊý¾Ý¡£
¿ÉÒÔÏñÏÂÃæÕâÑù˼¿¼£º
1.д±íµ¥µÚÒ»ÏÈçÓû§Ãû£©
2.onblurʼþ(ʧȥ½¹µã)·¢Éúʱ¿ªÊ¼ÑéÖ¤£¬onblur="checkusername()"
3.js·¢Ò»¸öÇëÇó¸øµÚÒ»¸öasp(¼Ù¶¨Îªajaxusername.asp)Èç¹û´ÓÊý¾Ý¿âÖÐÕÒµ½ÁËÕâ¸öÓû§£¬¸ø³ö1 ......
ÔÚÕâ¸ö±»Ajax¼¼ÊõͳÖεĻ¥ÁªÍøʱ´ú£¬ºÜ¶àAjax³ÌÐò¶¼»áÔÚÒì²½¶ÁÈ¡Êý¾ÝµÄͬʱ£¬ÏÔʾһ¸öÕýÔÚ¶ÁÈ¡»òLoadingµÄ¶¯»£¬½ñÌì±òGoÒªÏò´ó¼Ò
ÍƼöÒ»¸öÔÚÏßÉú³ÉLoadingÔ¤Ôض¯»GifͼƬµÄÍøÕ¾£¬Ëü²»µ«ÌṩÁ˳¬¶àµÄLoading¶¯»Ñùʽ¹©ÄãÑ¡Ôñ£¬¶øÇÒÄ㻹¿ÉÒÔ×Ô¶¨Òå³ß´ç¡¢ÑÕÉ«µÈ²ÎÊý£¬¿É
ν·½±ãµ½¼Ò£¬×î×îÖØÒªµÄÊÇ£¬PreLoaders.net
Ìṩ ......