java连接数据库

连接 mysql 数据库，代码如下：

Class.forName("com.mysql.jdbc.Driver");

String url = "jdbc:mysql://127.0.0.1/myDatabase";

String user = "user";

 String password = "password";

Connection conn = DriverManager.getConnection(url, user, password);

 

连接 oracle 数据库，代码如下：

 Class.forName("oracle.jdbc.driver.OracleDriver");

 String url = "jdbc:oracle:thin:@127.0.0.1:1521:myOracleSID";

 String user = "user"; String password = "password";

 Connection conn = DriverManager.getConnection(url, user, password);

 

连接 MS SQL Server 数据库，代码如下：

 Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");

 String url = "jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=myDbName";

String user = "user";

String password = "password";

 Connection conn = DriverManager.getConnection(url, user, password);