【Java+SQL Server】前后端连接小白教程

try {
            Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
            String userName = "sa";//登录名
            String password = "123456";//登录密码
            conn = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;databaseName=text",
                    //1433是端口号，text是数据库名
                    userName,
                    password);
            ps =conn.prepareStatement("select * from student");
            rs = ps.executeQuery();
            while(rs.next()) {
                int id = rs.getInt(1);
                String name = rs.getString(2);
                System.out.println(id + " " + name);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }