ajax³£¼ûÎÊÌâ×ܽá
ÔÚ¿´ÎÄÕÂÇ°£¬ÏÈÖ¸¶¨Ò»¸öͨÓõıäÁ¿xhr£¬xhr´úÂëajax¶ÔÏó¡£
²âÊÔä¯ÀÀÆ÷£ºieΪie6£¬firefoxΪ2£¬ÆäËûµÄδ²âÊÔ¡£Í³³Æie6Ϊie£¬firefox2Ϊff¡£
»ù±¾µÄ
1£¬×î¾µäµÄ¾ÍÊÇieϵĻº´æÎÊÌâÁË¡£
Èç¹ûʹÓõÄÊÇget£¬ÄÇôÔÚieϳöÏÖ»º´æÎÊÌâ¡£µ¼Ö´úÂëÖ»Ö´ÐÐÒ»´Î¡£½â¾ö°ì·¨¾ÍÊǼÓʱ¼ä´Á»òÕßËæ»úÊý£¬Ê¹url±äΪΨһ£¬ÕâÑù¾Í²»»á³öÏÖieϵĻº´æÎÊÌâÁË£¬»òÕ߸ÄΪpostÌá½»¡£
xhr.open("get","xxxx.aspx?_dc="+new Date().getTime(),true);
2£¬ajax¶ÔÏóÊôÐԵĴóСдÎÊÌâ
ÔÚw3cä¯ÀÀÆ÷£¬ÈçffÖУ¬¶Ô´óСдÊÇÃô¸Ð¡£Èç
if(xhr.readystate==4)ÕâÖÖд·¨£¬ÔÚieÏÂÊdzÉÁ¢µÄ£¬µ«ÊÇÔÚffϾÍÐв»Í¨ÁË£¬ÒòΪie²»Çø·Ö´óСд£¬ffÊÇÇø·Ö´óСµÄ¡£
±ê׼д·¨Îªif(xhr.readyState==4)£¬Í¬Àí»¹ÓÐÊôÐÔ responseText£¬responseXML¡£
3£¬ajax״̬0ÎÊÌâ
ÓРЩʱºòÔÚ²âÊÔajax´úÂëµÄʱºò£¬¼ÓÁË xhr.status==200µÄÅжϺó£¬Ò»Ö±²»Ö´ÐÐxhr.status==200µÄ´úÂ룬Õâ¸ö¾ÍÐèҪעÒâÁË¡£xhr.status==200ÊÇҪͨ¹ý ·þÎñÆ÷À´ä¯ÀÀ£¬²¢ÇÒ·þÎñÆ÷Ò³ÃæûÓз¢Éú´íÎó»òÕßתÏòʱ²Å·µ»Ø200״̬µÄ£¬´Ë״̬ºÍÄãͨ¹ýä¯ÀÀÆ÷·ÃÎÊÒ³Ãæʱ·þÎñÆ÷¶¨ÒåµÄ״̬һÖ¡£
Ö±½ÓÍϽøä¯ÀÀÆ÷ä¯ÀÀ½á¹û»òÕßË«»÷ÔËÐÐhtmlÒ³ÃæµÄ£¬Î´·¢Éú´íÎóʱ£¬´ËʱµÄxhr.statusÊÇ0£¬²»ÊÇ200¡£
ËùÒÔ¿ÉÒÔ¶à¼ÓÒ»¸öxhr.status==0µÄÅжϡ£ÈçÏÂ
if(xhr.status==200||xhr.status==0){ alert('ok');}
Ö±½ÓÍϽøä¯ÀÀÆ÷ä¯ÀÀ½á¹û»òÕßË«»÷ÔËÐÐhtmlÒ³Ãæʱ£¬ÓÖ³öÏÖÒ»¸öÎÊÌ⣬Èç¹ûÇëÇóµÄÊÇxmlÎļþ£¬ÄÇÏ뵱ȻµÄÊÇʹÓÃresponseXMLÊôÐÔ·µ»ØxmlDomÁË£¬µ«ÊÇÔÚie·µ»Ø²»ÁËxmlDomÊôÐÔ£¬½â¾ö°ì·¨ÈçºÎÄØ£¬¿´ÏÂÃæµÄresponseXMLÎÊÌâ¡£
4£¬responseXMLÎÊÌâ¡£
ҪʹÓÃresponseXMLÊôÐÔ£¬ÇëÇóµÄÊÇxmlÎļþ»òÕßÉèÖÃÁËÏìӦͷΪ"text/xml"µÄ¶¯Ì¬Ò³ÃæÁË¡£Òª×¢ÒâÈç¹ûÇëÇóµÄÊǶ¯Ì¬Ò³Ã棬һ¶¨²»ÒªÍü¼ÇÉèÖÃcontenttypeΪ"text/xml"£¡£¡£¡£¡£¡£¡£¡£¡ÇмÇ~~~~~~
aspΪ response.contenttype="text/html"
asp.netΪ Response.ContentType="text/html";
phpΪ header("content-type:text/xml;");
ÔÚieÏÂÓиöÎÊÌ⣬ֱ½ÓÍϽøä¯ÀÀÆ÷ä¯ÀÀ»òÕßË«»÷ÔËÐÐhtmlÔ¤ÀÀЧ¹ûʱ£¬ÇëÇóµÄ¼´Ê¹ÊÇxmlÎļþ£¬Ê¹ÓÃresponseXML·µ»Ø²»ÁËxmldom¡£
´ó¼Ò²âÊÔϾÍÖªµÀÁË£¬ÈçÏÂ
showbo.xml
<?xml version="1.0" encoding="utf-8"?><showbo> <item>1</item> <item>2&
Ïà¹ØÎĵµ£º
¾¹ýÕûÀíºÍµ÷ÊÔ£¬Krabber 0.2.9°æ±¾Õýʽ·¢²¼ÁË¡£
Õâ¸ö°æ±¾µÄÌصãÊDz»½ö½ö¿ÉÒÔÖ´ÐÐAJAXÍøÒ³²¢·µ»ØÖ´ÐкóµÄ½á¹û£¬»¹¿ÉÒÔÓɳéÈ¡Óû§Ìṩ½Å±¾½øÐÐÖ´ÐУ¬²¢·µ»ØÖ´ÐÐÓû§µÄ¶¯×÷½Å±¾ºóµÄ½á¹û¡£ÕâÒ»ÌØÐÔ¿ÉÒԺܺõĽâ¾öÐèÒª½øÐÐAJAX·Ò³¡¢ÑÓʱ¼ÓÔصȵÈÎÊÌâ¡£
ÁíÍâÓÉÓÚ¾«Á¦ÓÐÏÞ£¬°æ±¾Ã»Óо¹ýÑϸñµÄ²âÊÔ£¬Òò´ËÓÐÎÊÌâÇëÔÚÕâÀïÁôÑÔ£¬Ð ......
1 . jQuery°ïÖúÖ®AjaxÇëÇó£¨Ò»£©jQuery.ajax(options)
Òý×Ô:http://www.flywe.net/article/javascript/jQuery_ajax.html
jQuery.ajax(options)
ͨ¹ý HTTP ÇëÇó¼ÓÔØÔ¶³ÌÊý¾Ý¡£
......
½ñÌì°ïͬʽâ¾öÁËjsÒì²½µ÷ÓÃʱ³öÏÖÁËÖÐÎÄÂÒÂëµÄÎÊÌ⣬¾ßÌå½â¾ö°ì·¨ÈçÏ£º
1£©Ê×ÏÈÈ·ÈÏjsÊÇ·ñûÓжԺǫ́´«Êä¹ýÀ´µÄÖÐÎĽøÐнâÂë¡£
°´ÕÕÍøÂçÉÏдµÄ·½·¨Í¨¹ýjs¶ÔresponseµÄ¶ÁÈ¡³öÀ´Êý¾Ý½øÐжà´Î²âÊÔ£¬·¢ÏÖÈÔÈ»²»Äܽâ¾ö£¬Ï¸Ïë²»Ò»¶¨ÊÇ´Ë´¦ÎÊÌâ¡£¸Ä»»ÆäËû°ì·¨½â¾ö¡£
2£©Èç¹û½âÂë½â¾ö²»ÁË£¬ÔÙ¿´ÊÇ·ñÊÇÒòΪÍø ......
´ÓÖÚ¶à¿Í»§ÆÚÅÎÒѾõÄAjax½çÃæÔÚV4.0.0°æ±¾ÖнҿªÁËÃæÉ´ÒÔÀ´£¬Íز¨Èí¼þÔÚºóÐøµÄÀú´Î°æ±¾¸üÐÂÖж¼ÑÓÓò¢²»¶ÏÍêÉÆAjax½çÃæÕâ¸ö¹¦ÄÜ¡£´ó¼Ò¿ÉÒÔÏÂÔزâÊÔ°æ¸ÐÊÜһϣ¬»òÕߵǽTurbomailÍøÂçÔÚÏß°æÌåÑ飺
Web꿅᣼http://mail.turbomail ......
ʹÓÃAjaxÖвéѯÊý¾Ý¿âʱ£¬Ö»µÚÒ»´Î²éѯÁËÊý¾Ý¿â£¬ÒÔºóÔÙÓÐÇëÇó¾Í²»Ìá½»¸ø·þÎñÆ÷´¦ÀíÁË
ҳͷµÄÇ建´æ±êǩûÆð×÷ÓÃ
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
½â¾ö·½·¨£º
1£º¼Óʱ¼ä´Á var url ......