ajax»ù´¡¶ÁÊé±Ê¼Ç µÚÈýÕ£¨·¢ËÍÇëÇóÓë´¦ÀíÏìÓ¦£©
ͨ¹ýXMLHttpRequest.responseXML;
½«ÏìÓ¦½âÎöΪXML
»ñµÃ¶ÔÏóÓÐÏÂÃæµÄÊôÐԺͷ½·¨
±í3-1 ÓÃÓÚ´¦ÀíXMLÎĵµµÄDOMÔªËØÊôÐÔ
ÊôÐÔÃû
ÃèÊö
childNodes
·µ»Øµ±Ç°ÔªËØËùÓÐ×ÓÔªËصÄÊý×é
firstChild
·µ»Øµ±Ç°ÔªËصĵÚÒ»¸öϼ¶×ÓÔªËØ
lastChild
·µ»Øµ±Ç°ÔªËصÄ×îºóÒ»¸ö×ÓÔªËØ
nextSibling
·µ»Ø½ô¸úÔÚµ±Ç°ÔªËغóÃæµÄÔªËØ
nodeValue
Ö¸¶¨±íʾԪËØÖµµÄ¶Á/дÊôÐÔ
parentNode
·µ»ØÔªËصĸ¸½Úµã
previousSibling
·µ»Ø½ôÁÚµ±Ç°ÔªËØ֮ǰµÄÔªËØ
±í3-2¡¡ÓÃÓÚ±éÀúXMLÎĵµµÄDOMÔªËØ·½·¨
·½·¨Ãû
ÃèÊö
getElementById(id) (document)
»ñÈ¡ÓÐÖ¸¶¨Î©Ò»IDÊôÐÔÖµÎĵµÖеÄÔªËØ
getElementsByTagName(name)
·µ»Øµ±Ç°ÔªËØÖÐÓÐÖ¸¶¨±ê¼ÇÃûµÄ×ÓÔªËصÄÊý×é
hasChildNodes()
·µ»ØÒ»¸ö²¼¶ûÖµ£¬Ö¸Ê¾ÔªËØÊÇ·ñÓÐ×ÓÔªËØ
getAttribute(name)
·µ»ØÔªËصÄÊôÐÔÖµ£¬ÊôÐÔÓÉnameÖ¸¶¨
ÏÂÃæ¿´Ò»¸öʵÀý
ÃæµÄÀý×Ó¿ÉÒÔ¿´µ½£¬Ê¹ÓÃ×ñÑW3C DOMµÄJavaScriptÀ´¶ÁÈ¡XMLÎĵµÊǺεȼòµ¥¡£´úÂëÇåµ¥3-3ÏÔʾÁË·þÎñÆ÷Ïòä¯ÀÀÆ÷·µ»ØµÄXMLÎĵµµÄÄÚÈÝ¡£ÕâÊÇÒ»¸ö¼òµ¥µÄÃÀ¹úÖÝÃûÁÐ±í£¬¸÷¸öÖÝ°´µØÇø»®·Ö¡£
´úÂëÇåµ¥3-3 ·þÎñÆ÷·µ»ØµÄÃÀ¹úÖÝÃûÁбí
ÕâÀïÊǸöxml
<?xml version="1.0" encoding="UTF-8"?>
<states>
<north>
<state>Minnesota</state>
<state>Iowa</state>
<state>North Dakota</state>
</north>
<south>
<state>Texas</state>
<state>Oklahoma</state>
<state>Louisiana</state>
</south>
<east>
<state>New York</state>
<state>North Carolina</st
Ïà¹ØÎĵµ£º
ÎҵĴºÇï³ÕÃεڶþ²½£º
дһ¸ö ͨÓÃµÄ ¶ÔÏó ÁÐ±í £¬»¹ °üº¬ ËÑË÷ºÍ ÊôÐÔ¹ýÂË¡£
¾ßÌåµÄЧ¹ûÊÇ£º
µ±Ð ҵÎñ Ìí¼ÓÒ»¸ö ±íµÄʱºò£¬Ö»ÐèÒªÔÚ ¶ÔÏóÄ£ÐÍÀïµÄ Ìí¼ÓÒ»¸ö model
ºǫ́¼¸ºõ²»Ðèд´úÂë¡£
(ÎÒÊǺǫ́£º¼¤¶¯ÈËÐÄ£¡)
µ÷ÓõĶÔÏ󣬵ڼ¸Ò³£¬ÊôÐ﵀ ¹ýÂË ºÍËÑË÷È«ÊÇ Ç°Ì¨µÄAjax²ÎÊý¿ØÖÆ
(ÎÒÊÇǰ̨£º#$!@#$%$^#$% ......
1£ºAjax¿ÉÒÔͨ¹ýJavaScriptµÄXMLHttpRequest¶ÔÏóÓë·þÎñÆ÷½øÐÐͨÐÅ£¬Í¨¹ýXMLHttpRequest£¬JavaScript¿ÉÒÔÔÚ²»ÖØÔØÒ³ÃæµÄÇé¿öÏÂÓë·þÎñÆ÷½øÐÐͨÐÅ¡£
2£ºXMLHttpRequest ä¯ÀÀÆ÷Ö§³Ö
<script type="text/javascript">
function ajaxFunction()
{
var xmlHttp;
try
{
xmlHtt ......
ÎÒÓÃPHPºÍAjax½áºÏ£¬Ìí¼ÓÊý¾ÝÖ®ºó£¬Ë¢ÐÂǰ̨ҳÃ棬Êý¾ÝûÓб仯¡£
ÎҸĶ¯PHP¶¯Ì¬½Å±¾£¬Ö»ÓÐÖØÐÂÕÒ¿ªIEÔÙÊäÈëµØÖ·£¬²ÅÄÜ¿´µ½Ð§¹û¡£
ÒÔÉÏÕâЩÊDz»ÊÇ»º´æµÄÔÒò°¡£¿Ôõô½â¾ö£¿
ajax»º´æÎÊÌâ½â¾ö;¾¶£º
ÊÇ»º´æµÄÎÊÌâ¡£
ÔÚ·þÎñ¶Ë¼Ó header("Cache-Control: no-cache, must-revalidate");
²¢ÇÒÔÚÄãµÄJSÌá½»²ÎÊýÖмÓËæ»ú» ......
µØÖ·£ºhttp://www.qhcar.cc/model/index.aspx?s=5£¬Õâ¸ö¾ÍÊÇǶÌ×ajax½á¹û¡£
http://www.qhcar.cc/model/index.aspx Õâ¸öÊǵ¥¸öµÄajax£¬
Óŵã¾ÍÊÇ¿ÉÒÔÓÃÒ»¸öÒ³ÃæʵÏÖÏÔʾȫ²¿³µÐͺͰ´¼¶±ðÑ¡Ôñ³µÐÍ£¬ÎªÁËÕչ˵¼º½ÉÏÃæÈç΢ÐͳµµÈÁ´½ÓÔÚ±ðµÄÒ³Ãæ½øÈ룬
http://www.qhcar.cc/model/index.aspx?s=5Õâ¸öµØÖ·²ÎÊýs£¬Åжϵ±s ......
²ÎÊý:
options
·µ»ØÖµ:
XMLHttpRequest
ʹÓÃHTTPÇëÇóÒ»¸öÒ³Ãæ¡£
ÕâÊÇjQueryµÄµÍ¼¶AJAXʵÏÖ¡£Òª²é¿´¸ß¼¶³éÏ󣬼û$.set¡¢$.postµÈ£¬ÕâЩ·½·¨¸üÒ×ÓÚÀí½âºÍʹÓᣵ«Êǹ¦ÄÜÉÏÓÐÏÞÖÆ(ÀýÈ磬ûÓдí
Îó´¦Àíº¯Êý)¡£
¾¯¸æ£ºÈç¹ûÊý¾ÝÀàÐÍÖ¸¶¨Îª"script"£¬ÄÇôPOST×Ô¶¯×ª»¯ÎªGET·½·¨¡£(ÒòΪscript»á×÷Ϊһ¸öǶÈëÒ³ ......