sqlserver,oracle,mysql数据库的直连的参数

//SQL_Server:

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

String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=test";

String user = "sa";

String password = "";

//Oracle:

String driver = "oracle.jdbc.driver.OracleDriver";

String url = "jdbc:oracle:thin:@localhost:1521:wanchao";

String user = "scott";

String password = "tiger";

//mysql

String driver="com.mysql.jdbc.Driver";

String url="jdbc:mysql://localhost:3306/chinabank?useUnicode=true&characterEncoding=GBK";

String user="root";

String passeord="root";

Class.forName(driver);

con = DriverManager.getConnection(url,user,password);