数据库链接

oracle
 //驱动
 public static final String DRIVER = "oracle.jdbc.driver.OracleDriver";
 //URL
 public static final String URL = "jdbc:oracle:thin:@localhost:1521:orcl";
 //用户名
 public static final String USERNAME = "bl_jsp";
 //密码
 public static final String PASS = "123";
mysql
 public final static String DRIVER = "com.mysql.jdbc.Driver";
 public final static String URL = "jdbc:mysql://localhost:3306/company";
 public final static String DBNAME = "root";
 public final static String DBPASS = "1234";
sql
 public final static String DRIVER = "com.microsoft.jdbc.sqlserver.SQLServerDriver";                 // 数据库驱动
        public final static String URL    = "jdbc:microsoft:sqlserver://localhost:1433;DataBaseName=company";   // url
        public final static String DBNAME = "sa";                                                           // 数据库用户名
        public final static String DBPASS = "120010";   

数据库链接

原文：http://www.cnblogs.com/quitewind/p/5539488.html