1. 前言上一篇我们讲了通过pymysql直接操作数据库，需要我们自己去建立连接，编写sql，执行sql。现在更流行的方式，是通过ORM，即对象-关系映射的方式，来更加便捷的操作数据库。本篇我们就借助sqlalchemy，来实现ORM操作数据库。2. 创建数据库使用MySQL创建数据库testdb，并在库中创建user表，表结构如下：CREATE TABLE `user` ( `id....

文章 2022-02-17 来自：开发者社区

Python Flask 简明教程(13)--通过pymysql直接操作数据库

1. 前言在之前章节中，我们已经讲述过Python如何接受网页参数，以及如何将渲染后的网页发送给浏览器。在这之后，还有一个非常关键的环节，那就是使用Python操作数据库。我们可以直接对数据库进行增删改查操作，当然也可以进一步通过ORM的方式利用对象操作数据库。本篇先来介绍下比较基础的数据库操作技术，利用pymysql操作MySQL数据库。之所以选择介绍MySQL数据库，因为它比较流行不是。2.....

问答 2022-02-15 来自：开发者社区

flask教程数据库部分报错 ?报错

http://www.pythondoc.com/flask-mega-tutorial/database.html#id2 按照这个教程上db_migrate.py的代码运行之后报错 Traceback (most recent call last): File "./db_migrate.py", line 11, in script = api.make_update_script_f.....

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