java 连接 Mysql,Oracle,MSSQL

MySql:

Java代码

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

String url = "jdbc:mysql://127.0.0.1:3306/myDatabase";

String user = "user";

String password = "password";

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

Oracle:

Java代码

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);

SQLServer:

Java代码

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);