一、问题描述

尝试使用python链接mysql，把数据进行插入的时候，有报错：

No module named MySQLdb

二、问题修复

1.查询原因：可能缺少mysql客户端

然后：

pip install mysqlclient

报错：

Installing collected packages: mysqlclient
  Running setup.py install for mysqlclient ... error
  error: subprocess-exited-with-error

  × Running setup.py install for mysqlclient did not run successfully.
  │ exit code: 1
  ╰─> [23 lines of output]
      running install
      running build
      running build_py
      creating build
      creating build\lib.win-amd64-3.7
      creating build\lib.win-amd64-3.7\MySQLdb
      copying MySQLdb\__init__.py -> build\lib.win-amd64-3.7\MySQLdb
      copying MySQLdb\_exceptions.py -> build\lib.win-amd64-3.7\MySQLdb
      copying MySQLdb\connections.py -> build\lib.win-amd64-3.7\MySQLdb
      copying MySQLdb\converters.py -> build\lib.win-amd64-3.7\MySQLdb
      copying MySQLdb\cursors.py -> build\lib.win-amd64-3.7\MySQLdb

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: legacy-install-failure

× Encountered error while trying to install package.
╰─> mysqlclient

2.解决安装mysqlclient的时候出现Microsoft Visual C++ 14.0 is required报错

      copying MySQLdb\constants\__init__.py -> build\lib.win-amd64-3.7\MySQLdb\constants
      copying MySQLdb\constants\CLIENT.py -> build\lib.win-amd64-3.7\MySQLdb\constants
      copying MySQLdb\constants\CR.py -> build\lib.win-amd64-3.7\MySQLdb\constants
      copying MySQLdb\constants\ER.py -> build\lib.win-amd64-3.7\MySQLdb\constants
      copying MySQLdb\constants\FIELD_TYPE.py -> build\lib.win-amd64-3.7\MySQLdb\constants
      copying MySQLdb\constants\FLAG.py -> build\lib.win-amd64-3.7\MySQLdb\constants
      running build_ext
      building 'MySQLdb._mysql' extension
      error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": https://visualstudio.microsoft.com/downloads/
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: legacy-install-failure

× Encountered error while trying to install package.
╰─> mysqlclient

3.mysqlclient安装报错----error: Microsoft Visual C++ 14.0 is required。解决办法

https://codeantenna.com/a/n3yCa0VDpB，下载对应python版本

4.然后直接安装

pip install C:\tmp\mysqlclient-1.4.6-cp37-cp37m-win32.whl

三、解决办法二【简单推荐！】

直接引入pymysql，虽然第一次引入，但是缺少初始化信息，需要整体引用

import pymysql
pymysql.install_as_MySQLdb()

添加初始化后，就不会报错缺少mysqldb module了。

四、参考

1.No module named MySQLdb

2.mysqlclient安装报错----error: Microsoft Visual C++ 14.0 is required