java»ñµÃÍøÒ³ÄÚÈÝ
ÍøÖ·×¥È¡ Java API ¸ÅÊö
http://code.google.com/intl/zh-CN/appengine/docs/java/urlfetch/usingjavanet.html
App Engine Ó¦ÓóÌÐò¿ÉÒÔÓëÆäËûÓ¦ÓóÌÐò½øÐÐͨÐÅ»òͨ¹ý×¥È¡ÍøÖ··ÃÎÊÍøÂçÉÏµÄÆäËû×ÊÔ´¡£Ó¦ÓóÌÐò¿ÉÒÔʹÓÃÍøÖ·×¥È¡·þÎñÀ´·¢³ö HTTP ºÍ HTTPS ÇëÇó²¢½ÓÊÕÏìÓ¦¡£³öÓÚЧÂʺÍÀ©Õ¹ÐÔ¿¼ÂÇ£¬ÍøÖ·×¥È¡·þÎñʹÓà Google µÄÍøÂç»ù´¡½á¹¹¡£
Óà java.net ×¥È¡ÍøÖ·
Ìá³öÇëÇó
°²È«Á¬½ÓºÍ HTTPS
ÇëÇó±êÍ·
ÏìÓ¦
ÁªÏµ¹«Ë¾·À»ðǽ֮ºóµÄÖ÷»ú
ÍøÖ·×¥È¡ºÍ¿ª·¢·þÎñÆ÷
Åä¶îºÍÏÞÖÆ
Óà java.net ×¥È¡ÍøÖ·
Äú¿ÉÒÔʹÓà Java ±ê×¼¿âÖÐµÄ java.net.URLConnection ºÍÏà¹ØÀ࣬ͨ¹ý Java Ó¦ÓóÌÐò´´½¨ HTTP ºÍ HTTPS Á¬½Ó¡£App Engine ʹÓÃÍøÖ·×¥È¡·þÎñʵÏִ˽ӿڣ»ÄúµÄÓ¦ÓóÌÐòûÓÐÖ±½Ó´´½¨Ì×½Ó×ÖÁ¬½Ó¡£
»ñÈ¡Ä³ÍøÖ·µÄÒ³ÃæÄÚÈݵÄÒ»ÖÖ¼òµ¥·½·¨ÊÇ´´½¨ java.net.URL ¶ÔÏó£¬È»ºóµ÷ÓÃÆä openStream() ·½·¨¡£¸Ã·½·¨¿É´¦Àí´´½¨Á¬½ÓµÄÏêÇ飬·¢³ö HTTP GET ÇëÇó£¬È»ºó¼ìË÷ÏìÓ¦Êý¾Ý¡£
import java.net.MalformedURLException;
import java.net.URL;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
// ...
try {
URL url = new URL("http://www.example.com/atom.xml");
BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()));
String line;
while ((line = reader.readLine()) != null) {
// ...
}
reader.close();
} catch (MalformedURLException e) {
// ...
} catch (IOException e) {
// ...
}
¶ÔÓÚ¸ü¸´ÔÓµÄÇëÇó£¬Äú¿ÉÒÔµ÷ÓÃÍøÖ·¶ÔÏóµÄ openConnection() ·½·¨Ò
Ïà¹ØÎĵµ£º
×î½ü¹«Ë¾Åöµ½ÐèÒªÓÃͼ±íµÄÐÎʽÏÔʾһЩÊý¾Ý£¬ÎҾͿªÊ¼µ½ÍøÉϲéѯ£¬²éµ½ÁËjfreechartºÍamcharts,ÕâÁ½ÕßÎÒ¶¼ÊµÏÖ¹ýÁË£¬jfreechart×îºóÉú³ÉͼƬ£¬µ«ÊÇͼƬЧ¹û²»ÊÇÎÒÏëÒªµÄ£¬È»ºóÓÖÑо¿amcharts ËüµÄЧ¹ûȷʵºÜºÃ£¬¶øÇÒ¹Ù·½ÍøÕ¾ÉÏ»¹ÓкÃЩÀý×ӿɹ©ÏÂÔØ£¬ÍøÖ·ÊÇ:www.amcharts.com
£¨ÏëÒªÍê³ÉÒ»¸öamchartsͼÐÎÐèÒªswfobjects. ......
È¡:
Cookie[] cookies = request.getCookies();
if(cookies!=null){
for(Cookie cookie : cookies){
if(cookie.getName().equals("mid")){
String mid = cookie.getValue();
}
}
}
´æ:
String mid ......
ÐÞ¸ÄJavaÎļþ²»ÓÃÖØÆôTomcat·þÎñµÄ·½·¨
ÔÚʹÓÃEclipse+Tomcat¿ª·¢JavaÏîÄ¿µÄʱºò³£³£»áÅöµ½ÕâÑùµÄÇé¿ö£¬ÒÑÐÞ¸ÄJavaÎļþTomcat¾Í»á×Ô¶¯ÖØÆô£¬½ÓÏÂÀ´¾ÍÊÇÂþ³¤µÄµÈ´ý·þÎñÖØÆôÍê±Ï¡£ÄÇÆäʵ´ó¶àÊýµÄJavaÎļþÐÞ¸ÄÊÇûÓбØÒªÖØÆô·þÎñµÄ£¬Ö»ÓÐÒ»Ð©ÌØ¶¨µÄJavaÎļþ£¬±ÈÈç˵ֻÓÐÖØÆô·þÎñµÄʱºò²Å»áµ÷Ó ......
µÚ1Õ strutsÓëjava webÓ¦Óüò½é
1.1 java webÓ¦ÓøÅÊö
1.2 web×é¼þµÄÈýÖÖ¹ØÁª¹ØÏµ
1.3 muv¸ÅÊö
1.4 struts¸ÅÊö
1.4.1 strutsʵÏÖmvcµÄ»úÖÆ
ÔÚstruts¿ò¼ÜÖУ¬Ä£ÐÍÓÉʵÏÖÒµÎñÂß¼µÄjavabean»òejb×é¼þ¹¹³É£¬¿ØÖÆÆ÷ÓÉ
ActionServletºÍActionÀàʵÏÖ£¬ÊÓͼÓÉÒ»×éjspÎļþ¹¹³É¡£
1.ÊÓͼ
ÊÓͼ¾ÍÊÇjspÎļþ¡£ÔÚÕâЩjspÎļþ ......
ÎÒÃÇҪʵÏֵľßÌ幦ÄÜÊÇ£º
ÀûÓÃSocketÀàºÍServerSocketÀà±àдһ¸öC/S³ÌÐò£¬ÊµÏÖC/SͨÐÅ¡£
¿Í»§¶ËÏò·þÎñÆ÷¶Ë·¢ËÍTimeÃüÁ·þÎñÆ÷¶Ë½ÓÊܵ½¸Ã×Ö·û´®ºó½«·þÎñÆ÷¶Ëµ±Ç°Ê±¼ä·µ»Ø¸ø¿Í»§¶Ë£»¿Í»§¶ËÏò·þÎñÆ÷¶Ë·¢ËÍExitÃüÁ·þÎñÆ÷¶ËÏò¿Í»§¶Ë·µ»Ø“Bye”ºóÍ˳ö¡£
ÌâÄ¿±È½Ï¼òµ¥µÄ£¬ÎÒÃÇÖ±½ÓÀ´¿´´úÂë°É£º
Ê×ÏÈÊÇ·þÎñÆ÷¶ ......