AccessDataSource.java~3~
资源名称:某公司的java培训教材 [点击查看]
上传用户:dinglihq
上传日期:2013-02-04
资源大小:99958k
文件大小:2k
源码类别:
Java编程
开发平台:
Java
- package com.cwj.DatabaseAccessDemo;
- //运行本文件请确认是否已经将“Weblogic 8.x Client”添加至
- import javax.naming.*;
- import java.util.Properties;
- import java.sql.*;
- import java.util.*;
- //import com.beasys.jndi.WLEInitialContextFactory;
- import weblogic.jndi.*;
- public class AccessDataSource {
- javax.sql.DataSource myDataSource = null;
- Connection conn = null;
- Statement stat = null;
- ResultSet result = null;
- public void initialize() {
- Context ctx = null;
- Hashtable ht = new Hashtable();
- ht.put(Context.INITIAL_CONTEXT_FACTORY,
- "weblogic.jndi.WLInitialContextFactory");
- ht.put(Context.PROVIDER_URL, "t3://192.168.0.1:7001");
- try {
- ctx = new InitialContext(ht);
- javax.sql.DataSource ds = (javax.sql.DataSource) ctx.lookup("SQLServer");
- java.sql.Connection conn = ds.getConnection();
- // You can now use the conn object to create
- // a Statement object to execute
- // SQL statements and process result sets:
- Statement stmt = conn.createStatement();
- result = stmt.executeQuery("select * from customers");
- // Do not forget to close the statement and connection objects
- // when you are finished:
- while (result.next()) {
- System.out.println(result.getString(2));
- }
- stmt.close();
- conn.close();
- }
- catch (Exception e) {
- e.printStackTrace();
- }
- finally {
- try {
- ctx.close();
- }
- catch (Exception e) {
- // a failure occurred
- }
- }
- }
- public static void main(String args[]) {
- AccessDataSource obj = new AccessDataSource();
- obj.initialize();
- }
- }