javax.sql.DataSourcejavax.sql.DataSource是数据源接口。表 1 对javax.sql.DataSource接口的支持情况方法名返回值类型支持JDBC 4getConneciton()ConnectionYesgetConnection(String username,String password)ConnectionYesgetLoginTimeout()intYesgetLogWriter()PrintWriterYessetLoginTimeout(int seconds)voidYessetLogWriter(PrintWriter out)voidYes