Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javaʵÏÖʹÓôúÀí·þÎñÆ÷´´½¨URLÁ¬½Ó


¶ÔÓÚ Java 1.2£¬ÄúÖ»ÐèÓÃ
Authenticator.setDefault() °²×°Ò»¸ö Authenticator¡£ÕâÑù£¬µ±ÐèÒªÈÏ֤ʱ£¬ÒѰ²×°µÄ Authenticator µÄ
getPasswordAuthentication() ·½·¨¾Í»á±»µ÷Óã¬È»ºóÄú¾Í¿ÉÒÔÓÃÊʵ±µÄÓû§ÃûºÍ¿ÚÁîÀ´ÉèÖà PasswordAuthentication ʵÀý¡£¾ÍÕâô¼òµ¥¡£ 
 
package
cn.arthurs.web;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.Authenticator;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.PasswordAuthentication;
import java.net.URL;
import java.util.Properties;
import org.apache.log4j.Logger;
public class WebUnit {
 private static final Logger log = Logger.getLogger( WebUnit.class );
 
 /**
  * ·µ»ØÒ»¸öÍøÕ¾µÄÔ´´úÂë,ÐèÒª´«ÈëÒ»¸öÍøÕ¾µÄÍøÖ·
  * @param webUrl
  * @return
  */
 public static String getWebContent(String webUrl){
  URL url;
  HttpURLConnection conn;
  InputStream stream;
  StringBuffer  text  =  new  StringBuffer();
  String temp="";
  try {
   url = new URL(webUrl);
   
   //Èç¹ûÐèÒª´úÀí·þÎñÆ÷
   if(false){
      Properties prop =
System.getProperties();        
      // ÉèÖÃhttp·ÃÎÊҪʹÓõĴúÀí·þÎñÆ÷µÄµØÖ·           
      prop.setProperty("http.proxyHost",
"bmcdc.bmsa.com");        
      // ÉèÖÃhttp·ÃÎÊҪʹÓõĴúÀí·þÎñÆ÷µÄ¶Ë¿Ú           
      prop.setProperty("http.proxyPort",
"1865");        
      // ÉèÖò»ÐèҪͨ¹ý´úÀí·þÎñÆ÷


Ïà¹ØÎĵµ£º

JAVA¿ª·¢»·¾³ÅäÖÃ˵Ã÷Êé

AVA¿ª·¢»·¾³ÅäÖÃ˵Ã÷Êé
µÚÒ»²½£º°²×°JDK£¬µ÷ÊÔÔËÐÐJAVA³ÌÐò±ØÐë¡£
µÚ¶þ²½£º°²×°¿ª·¢¹¤¾ß£¨ºÜ¶à¿ÉÑ¡£©¡£
µÚ
Èý²½£º°²×°J2EE·þÎñÆ÷Èí¼þ£¨JSP/JDBC/SevletµÈ¼¼Êõ±ØÐ룩¡£
µÚËIJ½£º°²×°J2EE¿ª·¢¹¤¾ß£¨JSP/JDBC/SevletµÈ
¼¼Êõ±ØÐ룩¡£
ÒÔÏÂÊÇÏêϸ¹ý³Ì£º
µÚÒ»²½£º°²×°JDK£¬µ÷ÊÔÔËÐÐJAVA³ÌÐò±ØÐë¡£
JDK1.4ĬÈϰ²×°ÔÚC:\j2 ......

web java ½â¾öÖÐÎÄÂÒÂë


×Ö·û¼¯Óë±àÂë·½·¨
      
×Ö·û¼¯
×Ö·û±àÂë
¶ÔÓ¦ÓïÑÔ
ASCII
ASCII
Ó¢Óï
ISO8859-1
ISO8859-1
À­¶¡×Öĸ
GB2312
GB2312
¼òÌåÖÐÎÄ
GBK
GBK
ÖÐÎÄ
GB18030
GB18030
¼òÌåÖÐÎÄ
Big5
Big5
·±ÌåÖÐÎÄ
Unicode
UTF-8
¶à¹úÓïÑÔ
    
  &nbs ......

JAVA×Ô¶¯×°ÏäÓë²ðÏä

×Ô¶¯×°ÏäÓë²ðÏäµÄ¹¦ÄÜÊÂʵÉÏÊDZàÒëÆ÷À´°ïÄúµÄ棬±àÒëÆ÷ÔÚ±àÒëʱÆÚÒÀÄúËù±àдµÄÓï·¨£¬¾ö¶¨ÊÇ·ñ½øÐÐ×°Ïä»ò²ðÏ䶯×÷¡£ÀýÈ磺
Integer i = 100.Ï൱ÓÚ±àÒëÆ÷×Ô¶¯ÎªÄú×÷ÒÔϵÄÓï·¨±àÒ룺
Integer i = new Integer(100).ËùÒÔ×Ô¶¯×°ÏäÓë²ðÏäµÄ¹¦ÄÜÊÇËùνµÄ“±àÒëÆ÷ÃÛÌÇ”(Compiler Sugar)£¬ËäȻʹÓÃÕâ¸ö¹¦Äܷܺ½±ã£¬µ ......

JAVA¶¨Ê±Ö´ÐÐÈÎÎñµÄÈýÖÖ·½·¨

JAVA¶¨Ê±Ö´ÐÐÈÎÎñµÄÈýÖÖ·½·¨ 
1) java.util.Timer
Õâ¸ö·½·¨Ó¦¸ÃÊÇ×î³£Óõ쬲»¹ýÕâ¸ö·½·¨ÐèÒªÊÖ¹¤Æô¶¯ÄãµÄÈÎÎñ£º
Timer timer=new Timer();
timer.schedule(new ListByDayTimerTask(),10000,86400000);
ÕâÀïµÄListByDayTimerTaskÀà±ØÐëextends TimerTaskÀïÃæµÄrun()·½·¨¡£
2) ServletContextListener
Õâ¸ö·½·¨ ......

ÔÚJavaÖжÔExcel²Ù×÷

´´½¨Ò»¸öÎļþtemp£¬Í¬Ê±ÔÚtemp Ŀ¼Ï´´½¨Ò»¸öoutpath.xls
д²Ù×÷
 
package com;
import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import jxl.Workbook;
import jxl.format.UnderlineStyle;
import jxl.write.DateTime;
import jxl.write.Label;
import jxl.write.Number ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ