Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java mysqlÁ¬½ÓÊý¾Ý¿â´úÂë

package com.lovo.cq.shopping10_1.common;
import java.sql.*;
public class DbUtil {
private PreparedStatement pstmt = null;
private Connection con = null;
public DbUtil() {
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost/ShoppingBook10_1",
"root", "root");;
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
public Connection getCon() {
return con;
}
public void close() {
if (pstmt != null) {
try {
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}


Ïà¹ØÎĵµ£º

java 23ÖÖÉè¼Æģʽ


 java 23ÖÖÉè¼Æģʽ£¬Ò»°ãÇé¿öÏ£¬³£ÓõÄÓÐÄÄЩ?
¹¤³§Ä£Ê½£¬ ¹¤³§·½·¨Ä£Ê½£¬µ¥Àýģʽ£¬ Íâ¹Û£¨Facade£©Ä£Ê½£¬ ¹Û²ìÕߣ¨Observer£©Ä£Ê½£¬ÇŽӣ¨Bridge£©Ä£Ê½¶¼ÊDZȽϳ£Óõģ¬²»Í¬µÄÏîÄ¿Óв»Í¬µÄÉè¼Æ·½Ïò£¬¿ÉÒԲο¼µÄÉè¼ÆģʽҲ²»¾¡Ïàͬ£¬Ã»Óж¨Êý£¬Ö»ÊÇÉÏÃæÕ⼸¸öģʽÓõıȽ϶àһЩ¡£
ÆäËûµÄÄ ......

ubntuÏÂjavaÖÐÎÄÂÒÂë½â¾ö

cd /usr/lib/jvm/java
-1.5.0-sun-1.5.0.15/jre/lib/fonts
sudo mkdir fallback
cd fallback
sudo cp /usr/share/fonts/truetype/arphic/uming.ttc /usr/lib/jvm/java
-1.5.0-sun-1.5.0.15/jre/lib/fonts/fallback
sudo mkfontdir
sudo mkfontscale ......

mysqlµÄ±È½ÏÔËËã

ÔÚmenzhi007µÄblogÀï¿´µ½·Ç³£ÓÐÒâ˼µÄ¶«Î÷£ºhttp://hi.baidu.com/menzhi007/blog/item/c2e98551a18754848c54301c.html
ÔÚmysqlÊÖ²áÀ
http://www.phpchina.com/manual/mysql/functions.html#comparison-operators
MySQL°´ÕÕÒÔϹæÔò½øÐÐÊýÖµ±È½Ï£º
ÈôÓÐÒ»¸ö»òÁ½¸ö²ÎÊýΪ NULL£¬³ý·ÇNULL-safe <=> µÈËã·û£¬Ôò±È ......

LinuxÅäÖÃjava¿ª·¢Æ½Ì¨

LinuxÅäÖÃjava¿ª·¢Æ½Ì¨
Ò»¡¢°²×°jdk
1.ÏÂÔØ°²×°jdk
£¨1£©¡¢Ê×ÏÈ£¬ÔÚhttp://java.sun.com
ÕÒµ½ÒªÏÂÔصÄjdk£¬ÏÂÔØ×Ô¼ºÐèÒªµÄjdk°æ±¾¡£ÎÒÕâÀïʹÓõÄÊÇjdk6£¬µÃµ½µÄÊÇÒ»¸öÃûΪjdk-6u6-linux-i586-rpm.binµÄÎļþ¡£´ËÎļþµ±Ç°Îª²»¿ÉÔËÐеÄshell script¡£
£¨2£©¡¢¸ü¸ÄȨÏÞ£¬ÌáÈ¡jdk°²×°Îļþ£º
   ´ò¿ªÖÕ¶ËÔËÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ