javaµ÷Óô洢¹ý³Ì
ÏÈ´´½¨Ò»¸ö´æ´¢¹ý³Ì
create or replace function addvalue(value1 in number, value2 in number) return number is
result number;
begin
result:=value1+value2;
return(result);
end ;
ÏÂÃæÊÇjavaµ÷ÓÃ
Connection conn = JDBCUtils.getConnection();
CallableStatement cs = conn.prepareCall("{? = call addvalue(?, ?)}");
// register input parameters
cs.setInt(2, 2);
cs.setInt(3, 3);
// regsiter ouput parameters
cs.registerOutParameter(1, Types.INTEGER);
cs.execute();
int outParam = cs.getInt(1);
System.out.println(outParam);
Ïà¹ØÎĵµ£º
2£®DOMʵÀý
ÓÐÁËÉÏÃæµÄ½éÉÜ£¬ÏàÐÅÄã¶ÔDOMÀí½âµÄ¸ü¶àÁ˰ɡ£ÏÂÃæµÄÀý×Ó½«ÈÃÄã¶ÔDOM¸ü¼ÓÊìϤÆðÀ´¡£
ÏÈ˵˵Õâ¸öÀý×Óµ½µ×Òª×öµÄÊÇʲô°É£¬ÎÒÃÇÏ£ÍûÔÚÒ»¸öÃûΪlink.xmlÎļþÖб£´æÁËһЩURLµØÖ·£¬Í¨¹ýÒ»¸ö¼òµ¥µÄ³ÌÐò£¬ÎÒÃÇ¿ÉÒÔͨ¹ýDOM°ÑÕâЩURL¶Á³ö²¢ÏÔʾ³öÀ´£¬Ò²¿ÉÒÔ·´¹ýÀ´ÏòÕâ¸öXMLÎļþÖÐдÈë¼ÓÈëµÄURLµØÖ·¡£ºÜ¼òµ¥£¬È´ºÜÊµÓ ......
²ÉÓÃUDPµÄͨѶ·½Ê½£¬µ÷ÓÃjava×Ô´øµÄawt´òÓ¡½Ó¿Ú
·þÎñÆ÷¶Ë´úÂë
Server£º
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;
public class Server
{
private DatagramSocket server;
private DatagramPacket packet;
......
ÐòÁл¯¾ÍÊǰѶÔÏóת»»ÎªÁ÷ÒÔ´æ´¢µ½Îļþ»ò´«Ê䏸ÁíÒ»¸ö³ÌÐò£»·´ÐòÁл¯¾ÍÊǰÑÁ÷ת»»Îª¶ÔÏó¡£JAVAµÄÐòÁл¯£¬ÊÇͨ¹ýÊÇjava.io.Serializable½Ó¿ÚÀ´ÊµÏֵġ£¸Ã½Ó¿Ú²»°üº¬Èκη½·¨£¬½ö±ê¼ÇÊÇ·ñ¿É±»ÐòÁл¯¡£¿ÉÐòÁл¯µÄÀ࣬Æä³ÉÔ±Ò²±ØÐëÊÇ¿ÉÐòÁл¯µÄ£¨Èç¹ûÓгÉÔ±²»Äܱ»ÐòÁл¯£¬Ôò±ØÐ뽫¸Ã±äÁ¿±ê¼ÇΪ£ºtransient£¨Ë²Ì¬£©£¬ÐòÁл¯Ê±£¬» ......
Ò»¡¢Ê¹ä¯ÀÀÆ÷²»»º´æÒ³ÃæµÄ¹ýÂËÆ÷
import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* ÓÃÓÚµÄʹ Browser ²» ......
String usrHome = System.getProperty("user.home");
ÏÂÃæÊÇSystemµÄ²ÎÊýÁбí
Key Meaning
------------------- ------------------------------
"file.separato ......