java ÏÂÔØÎļþµÄ·½·¨(2)
×òÌìÔÚдÍêjavaÏÂÔØµÄÎÄÕºó¾ÍÔÚ½ñÌì·¢ÏÖÁËÒ»¸öÎÊÌ⡣ͨ¹ýÕâ¸öÎÊÌâÒ²·´Ó¦³ö¶ÔHttpURLConnectionÕâ¸öÀ໹²»Á˽⡣³Ã´Ë»ú»áÔÙÌí¼ÓһЩ¶ÔÕâ¸öÀàµÄÁ˽â°É¡£Ê×ÏÈ¿´¿´Ç°ÃæÄǶϴúÂëÔÚÎҵijÌÐòÖгöÏÖÁËʲôÎÊÌ⣺
ÔÚÎҵijÌÐòÖÐÓÐÕâôһ¸öÄ£¿é£¬Í¨¹ý¸ø¶¨µÄurlÏÂÔØµ½Îļþ£¬±£´æµ½±¾µØ¡£¶øÎļþÊÇbinaryÐÎʽµÄ¡£ÀýÈ磺http://abc/li.exe,
ÓÃÏÂÃæ´úÂë»á³öÏÖÒ»¸öÎÊÌ⣬¾ÍÊǵ±Õâ¸öurl±»Öض¨Ïòµ½Ò»¸öÍøÒ³Ê±£¬ÏÂÔØÏÂÀ´µÄ¾ÍÊÇÍøÒ³µÄÄÚÈÝ£º
public static File saveToFiles(String destUrl,String path) throws IOException {
final int BUFFER_SIZE = 4096;
System.out.println("file download url is "+destUrl+" path is"+path+"--------------");
FileOutputStream fos = null;
BufferedInputStream bis = null;
HttpURLConnection httpconn = null;
URL url = null;
byte[] buf = new byte[BUFFER_SIZE];
int size = 0;
if(rc.isUseProxy()){ // ´Ë´¦Îª¶ÁÈ¡ÅäÖÃÎļþµÄÄÚÈÝ£¬È·¶¨ÊÇ·ñʹÓôúÀí
Properties prop = System.getProperties();
//set http proxy addr
prop.setProperty("http.proxyHost", rc.getHttpProxyHost()); &nbs
Ïà¹ØÎĵµ£º
XSDÎļþ £¨XML Schema ÓïÑÔÒ²³Æ×÷ XML Schema ¶¨Ò壨XML Schema Definition£¬XSD£©¡£ ¾ßÌåʹÓ÷½·¨ºÍ¶¨ÒåÇë²Î¿´£º
http://www.w3school.com.cn/schema/index.asp
java×Ôjdk1.5ÒÔÉÏÐÂÔöÁËSchemaFactoryÀà ¿ÉÒÔʵÏÖ¶ÔXSDÑéÖ¤µÄÖ§³Ö£¬Ê¹ÓÃÆðÀ´Ò²ºÜ·½±ã¡£
ÒÔÏ´úÂë¿ÉÓÃÔÚJDK1.5+ ÑéÖ¤xml
public class SimpleErrorHandler i ......
java³£Óü¯ºÏÀàÏê½â£¨ÓÐÀý×Ó£¬¾µäÄÅ£¡£¡£¡¼¯ºÏÀàºýÍ¿µÄÀ´¿´°¡£¡£¡£©
Collections Framework
¼¯ºÏ¿ò¼ÜÊÇÒ»¸öͳһµÄ¼Ü¹¹,ÓÃÀ´±íʾºÍ²Ù×÷¼¯ºÏ.
¼¯ºÏ¿ò¼ÜÖ÷ÒªÊÇÓɽӿÚ,³éÏóÀàºÍʵÏÖÀ๹³É.
½Ó¿Ú:À¶É«£»ÊµÏÖÀࣺºìÉ«
Collection
|_____Set(HashSet)
| |_____SortedSet(Tree ......
Java ÊÇÒÔÀࣨclass£©µÄÐÎʽÀ´×éÖ¯³ÌÐò£¬²¢ÇÒ»¹Ó²ÐԹ涨£¬ËùÓÐÀàµÄµÄ¸ù½Úµã¶¼ÊÇObjectÀ࣬ÆäÓàµÄ¶¼ÊÇÆä×ÓÀà¡£
Java½öÖ§³Öµ¥¼Ì³Ð£¬¼´Ò»¸öÀàÖ»ÄÜÓÐÒ»¸ö¸¸Àà¡£
Java²»µ¥ÊÇÒ»¸öÃæÏò¶ÔÏóµÄ±à³ÌÓïÑÔ£¬ ³ýÁËÖ§³Ö¶ÔÏóÊý¾ÝÀàÐÍÍ⣬»¹Ö§³ÖһЩ»ù´¡Êý¾ÝÀàÐÍ£¬ÈçÕûÐÍ¡¢ÊµÐÍ¡¢×Ö·ûÐͺͲ¼¶ûÀàÐ͵ȡ£
JavaÓïÑÔµÄÓ¦ÓóÌÐò±à³ ......
package search;
import java.io.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* ¶ÁȡĿ¼¼°×ÓĿ¼ÏÂÖ¸¶¨ÎļþÃûµÄ·¾¶ ²¢·Åµ½Ò»¸öÊý×éÀïÃæ·µ»Ø±éÀú
*
*
*/
public class FileViewer {
public static void search(String path, String[] Extention, boolean isdepth, ......
1.MVCµÄ¸÷¸ö²¿·Ö¶¼ÓÐÄÇЩ¼¼ÊõÀ´ÊµÏÖ?ÈçºÎʵÏÖ?
´ð£ºMVCÊÇModel£View£ControllerµÄ¼òд¡£"Model" ´ú±íµÄÊÇÓ¦ÓõÄÒµÎñÂß¼£¨Í¨¹ýJavaBean£¬EJB×é¼þʵÏÖ£©£¬ "View" ÊÇÓ¦ÓõıíÊ¾Ãæ£¨ÓÉJSPÒ³Ãæ²úÉú£©£¬"Controller" ÊÇÌṩӦÓõĴ¦Àí¹ý³Ì¿ØÖÆ£¨Ò»°ãÊÇÒ»¸öServlet£©£¬Í¨¹ýÕâÖÖÉè¼ÆÄ£ÐͰÑÓ¦ÓÃÂß¼£¬´¦Àí¹ý³ÌºÍÏÔʾÂß¼·Ö³É²» ......