Java中通过jdbc(thin方式)连接Oracle数据库

1 package com.jdbc.OracleTest;
2
3 import java.sql.DriverManager;
4 import java.sql.Connection;
5 import java.sql.ResultSet;
6 import java.sql.SQLException;
7 import java.sql.Statement;
8
9 public class OracleJdbcConnectionTest {
10
11 /**
12 * by jarin 2008年12月13日
13 * @param args
14 */
15 public static void main(String[] args) {
16
17 try {
18
19 //第一步要Jar包:在oracle安装的目录下,盘符:\oracle\ora92\jdbc\lib\ojdbc14.jar
20
21 //加载驱动
22 Class.forName("oracle.jdbc.driver.OracleDriver");
23
24 //连接字符串(协议名:jdbc,子协议名: oracle:thin 子名称:@localhost:1521:oracleDB)
25 String url ="jdbc:oracle:thin:@localhost:1521:ora92";
26
27 try {
28 //建立连接
29 Connection conn = DriverManager.getConnection(url,"scott","1234");
30
31 //创建Statement或者是PreparedStatement语句
32 Statement st = conn.createStatement();
33 String sqlStr= "select ename from emp";
34
35 //执行查询
36 ResultSet rs = st.executeQuery(sqlStr);
37 //遍历结果
38 while (rs.next()) {
39 System.out.println(rs.getString(1));
40
41 }
42 } catch (SQLException e) {
43
44 e.printStackTrace();
45 }
46
47 } catch (ClassNotFoundException e) {
48
49 e.printStackTrace();
50 }
51 }
52
53 }
54
55