Java连接各种数据库

1. Oracle数据库

Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();   
String url = "jdbc:oracle:thin:@localhost:1521:orcle";   
String user = "test";   
String password = "test";   
Connection conn = DriverManager.getConnection(url, user, password);  

2. DB2数据库

Class.forName("com.ibm.db2.jdbc.app.DB2Driver").newInstance();   
String url = "jdbc:db2://localhost:5000/testDB";   
String user = "admin";   
String password = "test";   
Connection conn = DriverManager.getConnection(url, user, password);  

3. SQL Server数据库

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();   
String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=testDB";   
String user = "sa";   
String password = "test";   
Connection conn = DriverManager.getConnection(url, user, password);

4. Sybase数据库

Class.forName("com.sybase.jdbc.SybDriver").newInstance();   
String url = "jdbc:sybase:Tds:localhost:5007/testDB";   
Properties sysProps = System.getProperties();   
sysProps.put("user", "userid");   
sysProps.put("password", "user_password");   
Connection conn = DriverManager.getConnection(url, sysProps);  

5. Informix数据库

[sourcecode language="java"]   
Class.forName("com.infoxmix.jdbc.IfxDriver").newInstance();   
String url = "jdbc:infoxmix-sqli://localhost:1533/testDB:INFORMIXSERVER=myserver;user=testuser;password=testpassword";   
Connection conn = DriverManager.getConnection(url);  

6. MySQL数据库

lass.forName("org.gjt.mm.mysql.Driver").newInstance();   
String url = "jdbc:mysql://localhost/testDB?user=testuser&password=testpassword&useUnicode=true&characterEncoding=GB2312";   
Connection conn = DriverManager.getConnection(url);  

7. PostgreSQL数据库

Class.forName("org.postgresql.Driver").newInstance();   
String url = "jdbc:postgresql://localhost/testDB";   
String user = "myuser";   
String password = "test";   
Connection conn = DriverManager.getConnection(url, user, password);