java socket±à³Ì
ǰһ¶Îʱ¼ä¸Õ×öÁ˸öjava³ÌÐòºÍÍøÂçÉ϶ą̀»úÆ÷µÄc³ÌÐòͨѶµÄÏîÄ¿£¬×ñѵÄÊÇTCP/IPÐÒ飬Óõ½ÁËjavaµÄSocket±à³Ì¡£ÍøÂçͨѶÊÇjavaµÄÇ¿ÏÓÃTCP/IPÐÒé¿ÉÒÔ·½±ãµÄºÍÍøÂçÉÏµÄÆäËû³ÌÐò»¥Í¨ÏûÏ¢¡£
ÏÈÀ´½éÉÜÏÂÍøÂçÐÒ飺
TCP/IP
Transmission Control Protocol ´«Êä¿ØÖÆÐÒé
Internet Protocol »¥ÁªÍøÐÒé
UDP
User Datagram Protocol Óû§Êý¾ÝÐÒé
Á¬½ÓÐÒ飺
·ÖΪ£º
ÃæÏòÁ¬½ÓÐÒé: Connection Oriented Protocol
·ÇÁ¬½ÓÐÒé: Connectionless Protocol
1).ÃæÏòÁ¬½ÓÐÒéÊÇÖ¸Á½Ì¨µçÄÔÔÚ´«ÊäÊý¾Ýǰ£¬ÏȻὨÁ¢Ò»¸öרÊôµÄÁ¬½Ó¡£¾ÍÈçµçОֵĽ»»»»ú»áΪ´òµç»°Ë«·½ÌṩרÊôÁ¬½ÓÒ»Ñù¡£
InternetÉϵÄÃæÏòÁ¬½ÓÐÒé¾ÍÊÇTCP/IP
ÌØµã£ºÈ·ÈÏ»ØÓ¦£»·Ö×éÐòºÅ£»Á÷Á¿¿ØÖÆ¡£
TCP/IPÊôÓÚ¿É¿¿ÐÔ´«Ê䣬Êʺϲ»ÈÝÐíÓд«Êä´íÎóµÄÍøÂç³ÌÐòÉè¼ÆÊ¹ÓÃ
2).·ÇÁ¬½ÓÐÒ飺ÎÞרÊôÁ¬½Ó£¬ÎÞ·Ö×飬ÈÝ´í£¬¾àÀë¶Ì£¬¿Éͬʱ¶Ô¶ą̀µçÄÔ½øÐÐÊý¾Ý´«Êä
InternetÉϵķÇÁ¬½ÓÐÒé¾ÍÊÇUDP
TCPÔÚÍøÂçͨÐÅÉÏÓм«Ç¿µÄÉúÃüÁ¦£¬ÀýÈçÔ¶³ÌÁ¬½Ó£¨Telnet£©ºÍÎļþ´«Ê䣨FTP£©¶¼ÐèÒª²»¶¨³¤¶ÈµÄÊý¾Ý±»¿É¿¿µØ´«Êä¡£Ïà±ÈÖ®ÏÂUDP²Ù×÷¼òµ¥£¬¶øÇÒ½öÐèÒª½ÏÉٵļ໤£¬Òò´Ëͨ³£ÓÃÓÚ¾ÖÓòÍø¸ß¿É¿¿ÐԵķÖɢϵͳÖÐclient/serverÓ¦ÓóÌÐò¡£
Socket ÊdzÌÐòÓëÍøÂç¼äµÄÒ»ÖÖ½Ó¿Ú£¬´ó²¿·ÖÍøÂçÓ¦ÓóÌÐò¶¼Êǵã¶ÔµãµÄ£¬Ëùνµã¾ÍÊÇ·þÎñÆ÷¶ËºÍ¿Í»§¶ËËùÖ´ÐеijÌÐò¡£SocketÊÇÓÃÀ´½ÓÊպʹ«ËÍ·Ö×éµÄÒ»¸ö¶Ëµã¡£
javaµÄSocket±à³ÌÒªÓõ½java.net°ü£¬×î³£ÓõÄÊÇnet°üϵÄ6¸öÀࣺInetAddress(»¥ÁªÍøÐÒé (IP) µØÖ·)À࣬Socket(Ì×½Ó×Ö)À࣬ServerSocket(Ì×½Ó×Ö·þÎñÆ÷)À࣬DatagramSocket(·¢ËͺͽÓÊÕÊý¾Ý±¨°üµÄÌ×½Ó×Ö)À࣬DatagramPacket(Êý¾Ý±¨°ü)À࣬MulticastSocket(¶à²¥Êý¾Ý±¨Ì×½Ó×ÖÀàÓÃÓÚ·¢ËͺͽÓÊÕ IP ¶à²¥°ü)À࣬ÆäÖÐInetAddress¡¢Socket¡¢ServerSocketÀàÊÇÊôÓÚTCPÃæÏòÁ¬½ÓÐÒ飬DatagramSocket¡¢DatagramPacketºÍMulticastSocketÀàÔòÊôÓÚUDP·ÇÁ¬½ÓÐÒéµÄ´«ËÍÀà¡£
±¾ÏîÄ¿ÒòΪʹÓÃTCP/IPÐÒ飬Ö÷ÒªÓõ½SocketºÍServerSocketÀ
Ïà¹ØÎĵµ£º
1.JavaÑ§Ï°ÍøÕ¾:
JavaÖÐÎÄÊÀ½çÂÛ̳ http://www.chinajavaworld.com/index.jspa
JavaÊÀ¼ÍÍø http://www.java2000.net/
Java ÖÐÎÄÕ¾ http://www.java-cn.com/
JavaѧϰÊÒ ......
×î½üÔÚʹÓÃPowerDesignerÉè¼ÆÊý¾Ý¿â,Éè¼ÆÍêcdm ºÍ pdmʱ,Á˽⵽¿ÉÒÔÓÃoom×Ô¶¯Éú³ÉJavaÀà.
µ«ÊÇÉú³ÉµÄJavaÀàµÄĬÈϸñʽºÍ×Ô¼ºµÄÒªÇóÓÐÆ«²î,×îÖյõ½ÁËЩ½â¾ö°ì·¨.ÕâÀï¼Ç¼ÁËÏÂ.(ÎÒʹÓõİ汾ÊÇPowerDesigner12)
ÔÚoomÄ£ÐÍÖÐlanguage>edit current object language. ÀàµÄÖ÷¸ñʽÊÇ ......
Õâ¸öÊǼÓͼƬˮӡµÄ!
package com.pic;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.awt.image.*;
import org.w3c.dom.*;
import com.sun.image.codec.jpeg.*;
import javax.imageio.*;
public class ImgBean_i{
public void ImgBean_i(){
}
public void ImgYin(S ......
ÔÚJavaÖУ¬µ±Ò»¸ö¶ÔÏó±»´´½¨Ê±£¬³ÉÔ±±äÁ¿µÄ³õʼ»¯¼°¹¹Ôì·½·¨µÄµ÷ÓÃ×ñÑÒÔÏÂ˳Ðò£º
1. ½«·ÖÅ䏸¶ÔÏóµÄ´æ´¢¿Õ¼ä³õʼ»¯³É¶þ½øÖƵÄÁã¡£
2. µ÷ÓÃËùÓлùÀàµÄ¹¹Ôì·½·¨¡£Õâ¸ö²½Öè»á²»¶ÏµØ·´¸´µÝ¹éÏÂÈ¥£¬Ê×ÏÈÊǹ¹ÔìÕâÖÖ²ã´Î½á¹¹µÄ¸ù£¬È»ºóÊÇÏÂÒ»²ã×ÓÀ࣬µÈµÈ£¬Ö±µ½×îµ×²ãµÄ×ÓÀà¡£
3. °´ÕÕÉùÃ÷µÄ˳Ðòµ÷ÓóÉÔ±µÄ³õʼ»¯·½·¨¡£
4. µ÷ ......