2
3 import java.sql.Connection;
4 import java.sql.DriverManager;
5 import java.sql.PreparedStatement;
6 import java.sql.ResultSet;
7 import java.sql.SQLException;
8
9 public class JdbcUtil
10 {
11 public static final String USERNAME = "root";
12
13 public static final String PASSWORD = "root";
14
15 public static final String URL = "jdbc:oracle:thin:@192.168.2.1:1521:orcl";
16
17 static
18 {
19 try
20 {
21 Class.forName("oracle.jdbc.driver.OracleDriver");
22 }
23 catch (ClassNotFoundException e)
24 {
25 e.printStackTrace();
26 }
27 }
28
29 public static Connection getConnection()
30 {
31 Connection conn = null;
32 try
33 {
34 conn = DriverManager.getConnection(URL, USERNAME, PASSWORD);
35 }
36 catch (SQLException e)
37 {
38 e.printStackTrace();
39 }
40
41 return conn;
42 }
43
44 public static void closeConnection(ResultSet rs, PreparedStatement ps, Connection conn)
45 {
46 try
47 {
48 if (rs != null)
49 {
50 rs.close();
51 }
52 }
53 catch (Exception e)
54 {
55 // TODO: handle exception
56 }
57 finally
58 {
59 try
60 {
61 if (ps != null)
62 {
63 ps.close();
64 }
65 }
66 catch (Exception e2)
67 {
68 // TODO: handle exception
69 }
70 finally
71 {
72 try
73 {
74 if (conn != null)
75 {
76 conn.close();
77 }
78 }
79 catch (SQLException e)
80 {
81 e.printStackTrace();
82 }
83 }
84
85 }
86 }
87 }
