Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÈçºÎÖªµÀaccess±í¸ñÖÐÓжàÉÙÊý¾Ý£¬ - Java / Web ¿ª·¢

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

  Connection con = DriverManager.getConnection("jdbc:odbc:webde", "", "");

  Statement stmt = con.createStatement();

  ResultSet rs = stmt.executeQuery("SELECT * from export");
  ResultSetMetaData rsmd = rs.getMetaData();
  int clmCnt = rsmd.getColumnCount();

ͨ¹ýÉÏÃæµÄÄÜÖªµÀÁÐÊý£¬ÎÒÈçºÎÖªµÀÐÐÊý£¬Ò²¾ÍÊÇÓжàÉÙ¸öÊý¾Ý¡£
select count(1) from export

²»¶®£¬ÎÒÏëÖªµÀÓжàÉÙÊý¾Ý£¬¶àÉÙÐÐÊý

ResultSet rs = stmt.executeQuery("SELECT count(*) from export");
int rowCount = rs.getInt(1,1);


ÓÃcountÈö


Ïà¹ØÎÊ´ð£º

javaÈÕÆÚ´¦Àí - Java / Java SE

µ±ÖªµÀÒ»¸öÈÕÆÚ£¬ÈçºÎ°ÑÕâ¸öÈÕÆÚËùÔÚÑ®µÄǰºóÁ½¸öÈÕÆÚÈ¡³ö
±ÈÈçÊäÈë20090905£¬¾ÍÊäÈë20090901 20090910
Êä³ö20090901 20090910

È¡µÃÌìÊýºó×÷Ò»ÏÂÅжÏÔÙ°ÑÕâ¸ö·½·¨ÓÃÏÂvoid set(int field, int value)  
......

java socket email ÎÊÌâ - Java / Java SE

ÎÒÔÚ javaºËÐļ¼ÊõÉÏ ¿´ÁËÒ»¸ö ÀûÓà Java socket emailµÄÀý×Ó ¿ÉÊÇÔõôҲ ²»³É¹¦ Ϊʲô£¿
Ô´Âë
Java code:

package cn.com.test.email;
import java.awt.GridBagLayout;
import java.awt.event.Action ......

java ÇóÖú - Java / Java EE

insert into [ScholarshipManagement].[dbo].[department] ([department],[specialization] ,[grade]) output inserted.departmentID values(? ,? ,? )
ÇëÎÊ´ó¸çÃÇÕâ¸ösql Óï¾äÓ¦¸ÃÓÃJavaÀïµÄÄǸöÊý¾Ý¿â²Ù×÷·½·¨£¿ ......

c/sºÍb/sÖ®¼äÔõôͨѶ. - Java / Web ¿ª·¢

ÔھƵê¹ÜÀíϵͳÖÐ,ÓÐÒ»¸ö¶ÔÄÚµÄϵͳ,¹©Ç°Ì¨·þÎñÔ±ºÍ¾­ÀíʹÓÃ
»¹ÓÐÒ»¸ö¾ÍÊǶÔÍâ,Èÿͻ§¿ÉÒÔÔÚÍøÉÏÔ¤¶©·¿¼ä,
ËüÃÇÖ®¼äÊÇÔõôͨѶµÄ.?µ±ÎÒÌá½»Ô¤¶©·¿¼äÐÅÏ¢µÄʱºò,
ÔÚ¶ÔÄÚµÄϵͳÖÐ,ÈçºÎÖªµÀÎÒÒѾ­Ìá½»ÁËÐÅÏ¢¹ýÈ¥.Ê¹Ç ......

jspºÍtomcatÎÊÌ⣬¿ì·èÁË - Java / Java EE

ÎÒдÁ˸öjspÒ³Ãæ£¬È»ºó¸Ä¶¯ÁËһϣ¬¸Ä¶¯µÄÄÚÈݾÍÊÇÔÚjspÒ³ÃæµÄjsº¯ÊýÀï¼ÓÁ˸öalert()Óï¾ä£¬µ«ÊÇÎÒ·ÃÎÊÕâ¸öÒ³ÃæÊ±£¬ËÀ»î¶¼ÊÇÔ­À´Ò³ÃæµÄÄÚÈÝ£¬ÎÒ¼ÓÁ˺ܶàalertº¯Êý»¹ÊÇû¸Ä¶¯Ç°µÄÒ³ÃæÄÚÈÝ£»tomcatÖØÆôÁË£¬Ò²ÖØÐ²¿ÊðÕâ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ