Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java»ñµÃÍøÒ³ÄÚÈÝ

Íøַץȡ Java API ¸ÅÊö
 
http://code.google.com/intl/zh-CN/appengine/docs/java/urlfetch/usingjavanet.html
App Engine Ó¦ÓóÌÐò¿ÉÒÔÓëÆäËûÓ¦ÓóÌÐò½øÐÐͨÐÅ»òͨ¹ýץȡÍøÖ··ÃÎÊÍøÂçÉϵÄÆäËû×ÊÔ´¡£Ó¦ÓóÌÐò¿ÉÒÔʹÓÃÍøַץȡ·þÎñÀ´·¢³ö HTTP ºÍ HTTPS ÇëÇó²¢½ÓÊÕÏìÓ¦¡£³öÓÚЧÂʺÍÀ©Õ¹ÐÔ¿¼ÂÇ£¬Íøַץȡ·þÎñʹÓà Google µÄÍøÂç»ù´¡½á¹¹¡£
Óà java.net ץȡÍøÖ·
Ìá³öÇëÇó
°²È«Á¬½ÓºÍ HTTPS
ÇëÇó±êÍ·
ÏìÓ¦
ÁªÏµ¹«Ë¾·À»ðǽ֮ºóµÄÖ÷»ú
ÍøַץȡºÍ¿ª·¢·þÎñÆ÷
Åä¶îºÍÏÞÖÆ
Óà java.net ץȡÍøÖ·
Äú¿ÉÒÔʹÓà Java ±ê×¼¿âÖÐµÄ java.net.URLConnection ºÍÏà¹ØÀ࣬ͨ¹ý Java Ó¦ÓóÌÐò´´½¨ HTTP ºÍ HTTPS Á¬½Ó¡£App Engine ʹÓÃÍøַץȡ·þÎñʵÏִ˽ӿڣ»ÄúµÄÓ¦ÓóÌÐòûÓÐÖ±½Ó´´½¨Ì×½Ó×ÖÁ¬½Ó¡£
»ñȡijÍøÖ·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

java¼¯ºÏ¿ò¼Ü


¼ò»¯Í¼£º
Javaƽ̨ÌṩÁËÒ»¸öȫеļ¯ºÏ¿ò¼Ü¡£“¼¯ºÏ¿ò¼Ü”Ö÷ÒªÓÉÒ»×éÓÃÀ´²Ù×÷¶ÔÏóµÄ½Ó¿Ú×é³É¡£²»Í¬½Ó¿ÚÃèÊöÒ»×鲻ͬÊý¾ÝÀàÐÍ¡£
Java 2¼¯ºÏ¿ò¼Üͼ
¼¯ºÏ½Ó¿Ú£º6¸ö½Ó¿Ú£¨¶ÌÐéÏß±íʾ£©£¬±íʾ²»Í¬¼¯ºÏÀàÐÍ£¬ÊǼ¯ºÏ¿ò¼ÜµÄ»ù´¡¡£
³éÏóÀࣺ5¸ö³éÏóÀࣨ³¤ÐéÏß±íʾ£©£¬¶Ô¼¯ºÏ½Ó¿ÚµÄ²¿·ÖʵÏÖ¡£¿ÉÀ©Õ¹Îª×Ô¶¨Ò弯ºÏÀà¡£ ......

ʹÓÃcommÔÚjava³ÌÐòÖйÜÀí±¾µØ¶Ë¿Ú

ÔÚjava³ÌÐòÖÐ,ΪÁËʵÏÖͬ±¾µØϵͳµÄÓ²¼þ¶Ë¿Ú(RS-232±ê×¼´®¿Ú/IEEE1284±ê×¼²¢¿Ú)ͨѶ,Ä¿Ç°ÓÐÁ½¸ö·½·¨,µÚÒ»¸ö¾ÍÊÇÒÔǰ˵¹ýµÄ,ʹÓÃJNI¼¼Êõ×Ô¼ºÐ´Ò»¸öÓëjava³ÌÐòÏà¹ØµÄdll/soÎļþ,Õâ¸öÎļþ¿ÉÒÔÖ±½ÓºÍ±¾µØϵͳͨÐÅ,´Ó¶ø¹ÜÀí±¾µØ»úÆ÷µÄ¶Ë¿Ú,²»¹ýʹÓÃjava³ÌÐò¶À×ÔʵÏÖÒ»¸ö±È½ÏÍêÉƵĶ˿ڹÜÀí½â¾ö·½°¸¶Ô¸öÈ˶øÑÔÊÇÒ»¸ö»¨·Ñ¾Þ´óÇÒ²»Ê ......

¶¯Ì¬Éú³ÉjavaÎļþµÄ·½·¨

package com.hongsoft.test;
import java.io.*;
//¶¨ÖƵÄÀà×°ÈëÆ÷
public class TestCompile extends ClassLoader
{
String _compiler;
String _classpath;
public static void main(String[] args)
{
new TestCompile();
}
public TestCompile()
{
super(ClassLoader.getSystemClassLoader());
//ĬÈϱàÒëÆ ......

»ùÓÚmvcµÄjava webÉè¼ÆÓ뿪·¢


µÚ1Õ strutsÓëjava webÓ¦Óüò½é
1.1 java webÓ¦ÓøÅÊö
1.2 web×é¼þµÄÈýÖÖ¹ØÁª¹Øϵ
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 ......

java»ñµÃÍøÒ³ÄÚÈÝ

Íøַץȡ Java API ¸ÅÊö
 
http://code.google.com/intl/zh-CN/appengine/docs/java/urlfetch/usingjavanet.html
App Engine Ó¦ÓóÌÐò¿ÉÒÔÓëÆäËûÓ¦ÓóÌÐò½øÐÐͨÐÅ»òͨ¹ýץȡÍøÖ··ÃÎÊÍøÂçÉϵÄÆäËû×ÊÔ´¡£Ó¦ÓóÌÐò¿ÉÒÔʹÓÃÍøַץȡ·þÎñÀ´·¢³ö HTTP ºÍ HTTPS ÇëÇó²¢½ÓÊÕÏìÓ¦¡£³öÓÚЧÂʺÍÀ©Õ¹ÐÔ¿¼ÂÇ£¬Íøַץȡ·þÎñʹÓà G ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ