´øÓÐÊÂÎñµÄjava·ÃÎÊÊý¾Ý¿â
¹Ø¼üÓï¾ä£º
conn.setAutoCommit(false);
if(!ok) conn.rollBack();
// after all done
conn.commit();
conn.setAutoCommit(true);
ǧÍò±ðÍü¼ÇÒª¼Óconn.commit()·ñÔò²»»áÖ´ÐÐÊÂÎñµÄ¡£
ÁíÍ⣬MysqlÓÃInnoDB»òÕßDBDÒýÇæ²ÅÖ§³ÖÊÂÎñ£¬·ñÔò²»Ö§³Ö¡£
×¢£ºÊý¾Ý¿âÒýÇæ¿ÉÒÔÓÃALTERÓï¾äÐ޸ġ£
Ïà¹ØÎĵµ£º
Ò»°ãʹÓÃsocket½¨Á¢µÄÁ¬½Ó¶¼ÊôÓÚTCPÁ¬½ÓµÄģʽ..¾ÍÊÇÒ»°ãҪͨ¹ýÈý´ÎÎÕÊÖÀ´½¨Á¢session..È»ºóÔÙ´«ËÍÊý¾Ý..
¶øUDPģʽ²»Í¬µÄµØ·½ÔÚÓÚ..Ëü²»ÐèÒª½¨Á¢ºÍËûÈ˵ÄÁ¬½Ó..¶øÊÇÖ±½ÓÍùһ̨Ö÷»úµÄijһ¸ö¶Ë¿ÚÉÏ·¢ËÍÊý¾Ý±¨ÎÄ..
¶ÔÓÚһЩ¶ÔͨÐÅÖÊÁ¿ÒªÇ󲻸߻òÕß˵Êý¾ÝÏ¡ÊèµÄͨÐÅÀ´Ëµ..ÓÃUDPģʽÊÇÒ»¸ö²»´íµÄÑ¡Ôñ..
ÏÂÃæÊÇÒ»¸öÓÃjavaÊµÏ ......
½ñÈÕÔÚÍøÉÏżȻÅöµ½Ò»¸ö³õѧÕßµÄjavaÌâÄ¿£¬¾Í³¢ÊÔµÄ×öÁËһϣ¬µ«Ã»Ïëµ½Ò»×ö¾ÍÊǽӽüÒ»¸öÖÓÍ·°¡£¬¿´À´javaѧϰµÄ·ÉÏ»¹ÊÇ·ÂþÂþÙâÐÞÔ¶°¡¡£
ÌâÄ¿ÈçÏ£º
±àдһ¸öJava Application ³ÌÐò£¬½ÓÊÜÓû§ÊäÈëµÄÒ»¸ö¸¡µãÊý£¬½«ÆäµÄÕûÊý²¿·ÖºÍСÊý²¿·Ö·Ö±ðÊä³ö¡£
È磺ÊäÈë56.6 £¬ÔòÓÐ
¡¡¡¡¡¡¡¡¡¡¡¡ÕûÊý²¿·Ö£º56
¡¡¡¡¡¡¡¡¡¡¡¡ ......
´Ë¸öÀàÊÇΪÁË·½±ã³õѧÕß¶ÔXMLµ½ javabean µÄÏ໥ת»»²»ÊìϤ¶øÐ´µÄ:
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.DomDriver;
public class XmlBean {
/*
* @AUTHOR:ZHONG
* @CREATETIME:2010/02/10
* @PREAM:OBJECT(JAVABEAN)
* @RETURN:X ......
http://techpool.javaeye.com/blog/486326
2009-10-12
JAVAÈçºÎÖ´ÐÐDOSÃüÁî
JAVAÈçºÎÖ´ÐÐDOSÃüÁî
ÏÂÃæÊÇÒ»ÖֱȽϵäÐ͵ijÌÐòģʽ£º
¡¡¡¡
...
¡¡¡¡Process process = Runtime.getRuntime().exec(".\\p.exe");
¡¡¡¡process.waitfor( );
¡¡¡¡... ......
http://writeblog.csdn.net/PostEdit.aspx?entryId=5305099
Contents
Preliminary material
Method One: A simple approach
Method Two: A less simple approach
Java for the desktop user
Java for the developer and the server environment
Requirements
Step 1. Initial setup
Step 2. Installing your favor ......