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

java jdbc Á¬½ÓOracle9i

     ×Ô¼ºÔÚ×öÕâ¸ö³ÌÐòµÄʱºò¿´¹ýºÜ¶àµÄ×ÊÁÏ£¬ÉÏÍøÒ²²éÁ˲»ÉÙµÄ×ÊÁÏ£¬¿ÉÊǶà°ë˵µÄÊdzöÉñÈ뻯£¬ÔÆÀïÎíÀï...²»¹â¿´Á˲»Ã÷°×£¬¶øÇÒÊÇÓÐÃ÷°×Ò»µãµÄÈË£¬¿´ÁËÒ²±äµÄÓÐЩģºýÁË¡£
     ÕâÀïÎÒÑÚÊÎÒ»Ì×ÍêÕûµÄjava jdbc Á¬½ÓOracle9iµÄ·¶Àý¡£
package com.lxh.dbcon;//´ò°ü
import java.sql.*;//µ¼Èësql°ü
public class DbCon {//¶¨ÒåÁ¬½ÓÀà
 private final String DRIVER="oracle.jdbc.driver.OracleDriver";//OracleµÄÇý¶¯
 private final String URL="jdbc:oracle:thin:@localhost:1521:Oracle9i";//Oracle9iΪOracleµÄÖ÷»ú´®Ãû£¨Ò²¾ÍÊÇOracleµÄSID£©ÔÚ×°OracleµÄʱºòÌîдµÄSID
 private final String DBUSER="scott";//ÕâÀï¾ÍÒÔscott/tigerΪÓû§µÇ¼
 private final String DBPASSWORD="tiger";
 private Connection con=null;//Ô¤Ïȶ¨ÒåÒ»¸öÁ¬½Ó½Ó¿Ú
 
 public DbCon() {//ÔÚ¹¹Ôì·½·¨ÖмÓÔØÊý¾Ý¿âÇý¶¯
  try{
   Class.forName(DRIVER).newInstance();
  }catch(Exception e){
   e.printStackTrace();
  }
 }
 public Connection getConnection(){ //Á¬½ÓÊý¾Ý¿âµÄ·½·¨
  try{
   con=DriverManager.getConnection(URL,DBUSER,DBPASSWORD);
  }catch(Exception ew){
   ew.printStackTrace();
  }
  
  return con;
 }
}
ÕâÊÇÒ»¸öÍêÕûµÄÁ¬½ÓÀ࣬²âÊÔÒѾ­Í¨¹ý¡£


Ïà¹ØÎĵµ£º

ÓÃjavaµ÷ÓÃoracle´æ´¢¹ý³Ì×ܽá

ÉùÃ÷£º
ÒÔϵÄÀý×Ó²»Ò»¶¨ÕýÈ·£¬Ö»ÊÇΪÁËÑÝʾ´ó¸ÅµÄÁ÷³Ì¡£
Ò»£ºÎÞ·µ»ØÖµµÄ´æ´¢¹ý³Ì
´æ´¢¹ý³ÌΪ£º
CREATE OR REPLACE PROCEDURE TESTA(PARA1 IN VARCHAR2,PARA2 IN VARCHAR2)  AS
BEGIN
   INSERT INTO HYQ.B_ID (I_ID,I_NAME) VALUES (PARA1, PARA2);
END TESTA;
È»ºóÄØ£¬ÔÚjavaÀïµ÷ÓÃʱ¾ÍÓÃÏÂÃæµÄ´ ......

JAVA¿ª·¢Õß³£È¥µÄ20¸öÓ¢ÎÄÍøÕ¾


1.[http://www.javaalmanac.com] – Java¿ª·¢ÕßÄê¼øÒ»ÊéµÄÔÚÏß°æ±¾. ÒªÏë¿ìËٲ鵽ijÖÖJava¼¼ÇɵÄÓ÷¨¼°Ê¾Àý´úÂë, ÕâÊÇÒ»¸ö²»´íµÄÈ¥´¦.
2.[http://www.onjava.com] – O’ReillyµÄJavaÍøÕ¾. ÿÖܶ¼ÓÐÐÂÎÄÕÂ.
3.[http://java.sun.com] – ¹Ù·½µÄJava¿ª·¢ÕßÍøÕ¾ – ÿÖܶ¼ÓÐÐÂÎÄÕ·¢±í.
4.[http ......

java¶Áдɾ.text,.xmlÎļþÄÚÈÝ

package fileIo;  
 
import  java.io.BufferedReader;  
import  java.io.BufferedWriter;  
import  java.io.File;  
import  java.io.FileReader;  
import  java.io.FileWriter;  
 
 public&nb ......

javaÖеÄClassLoader

ClassLoaderÒ»¸ö¾­³£³öÏÖÓÖÈúܶàÈËÍû¶øÈ´²½µÄ´Ê£¬±¾ÎĽ«ÊÔͼÒÔ×îdzÏÔÒ׶®µÄ·½Ê½À´½²½â ClassLoader£¬Ï£ÍûÄܶԲ»Á˽â¸Ã»úÖƵÄÅóÓÑÆðµ½Ò»µãµã×÷Óá£
ÒªÉîÈëÁ˽âClassLoader£¬Ê×ÏȾÍÒªÖªµÀClassLoaderÊÇÓÃÀ´¸ÉʲôµÄ£¬¹ËÃû˼Ò壬Ëü¾ÍÊÇÓÃÀ´¼ÓÔØClassÎļþµ½JVM£¬ÒÔ¹©³ÌÐòʹÓõġ£ÎÒÃÇÖªµÀ£¬java³ÌÐò¿ÉÒÔ¶¯Ì¬¼ÓÔØÀඨÒ壬¶øÕâ ......

javaÁгöijÎļþ¼ÐϵÄËùÓÐÎļþ


File   f=new   File("DerectoryName");      
  String   []results=f.list();   
  
import java.io.*;    
¡¡¡¡public class listFile    
¡¡¡¡{  &nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ