ddd

        try {
            Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
            connection = DriverManager.getConnection(
                    "jdbc:sqlserver://localhost:1433;databaseName=commentsys", "sa",
                    "bequt");
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println("Db连接数据库成功");