1.oracle

thin驱动连接字符串:jdbc:oracle:thin:用户名/密码@localhost:1521:cake

驱动类:oracle.jdbc.driver.OracleDriver

2.mysql

连接字符串:jdbc:mysql://localhost:3306/数据库名?useUnicode=true&characterEncoding=utf-8

驱动类:com.mysql.jdbc.Driver

3.SQl Server

连接字符串:jdbc:microsoft:sqlserver://localhost:1433;user=sa;password=sa;DatabaseName=数据库名

驱动类:com.microsoft.jdbc.sqlserver.SQLServerDriver

//MicroSoft SQL Server 2005

String classStr="com.microsoft.sqlserver.jdbc.SQLServerDriver";

String conStr="jdbc:sqlserver://127.0.0.1:1433;DatabaseName=mydatabase";//注意端口号

//MicroSoft SQL Server 2000

String classStr="com.microsoft.jdbc.sqlserver.SQLServerDriver";

String conStr="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=pubs","sa","password"

//mysql

"com.mysql.jdbc.Driver"

"jdbc:mysql://localhost:3306/Login?useUnicode=true&characterEncoding=utf-8","root","7415"

//oracle

"oracle.jdbc.driver.OracleDriver"

"jdbc:oracle:thin:@10.0.0.248:1521:ora9","username","password"

//ODBC桥连接

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); 

Connection con=DriverManager.getConnection("jdbc:odbc:jsp");