各类连接数据库代码

mysql 数据库

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

String url="jdbc:mysql://localhost:3306/test";

String username="username";

String password="password";

Class.forName(driver).newInstance();

Connection con=DriverManager.getConnection(url,username,password);

sqlserver 2005（端口号查询：exec sys.sp_readerrorlog 0, 1, 'listening' ）

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

String url="jdbc:sqlserver://localhost:1434;DatabaseName=AdventureWorksDW";

String username="username";

String password="password";

Class.forName(driver).newInstance();

Connection con=DriverManager.getConnection(url,username,password);

ODBC链接：

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

url=jdbc:odbc:数据源名;

oracle数据库

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

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

String username="username";

String password="password";

Class.forName(driver).newInstance();

Connection con=DriverManager.getConnection(url,username,password);