django目前支持三種mysql驅動來進行mysql的鏈接
MySQLdb is a native driver that has been developed and supported for over a decade by Andy Dustman.
mysqlclient is a fork of MySQLdb which notably supports Python 3 and
can be used as a drop-in replacement for MySQLdb. At the time of this writing,
this is the recommended choice for using MySQL with Django.
MySQL Connector/Python is a pure Python driver from Oracle that does not require the MySQL client library or any Python modules outside the standard library.
mysqldb 目前不支持python3+，推薦使用mysqlclient
嘗試了在pycharm上直接安裝mysqlclient，報以下錯誤：OSError: mysql_config not found
在git上查閱安裝步驟：
You may need to install the Python and MySQL development headers and libraries like so:
sudo apt-get install python-dev libmysqlclient-dev # Debian / Ubuntu
sudo yum install python-devel mysql-devel # Red Hat / CentOS
On Windows, there are binary wheel you can install without MySQLConnector/C or MSVC.
sudo apt-get install python3-dev # debian / Ubuntu
sudo yum install python3-devel # Red Hat / CentOS
brew install mysql-connector-c # macOS (Homebrew)
pip install mysqlclient
因為我在mac上，使用的python3，故先執行命令：
brew install mysql-connector-c
然后再執行：
pip3 install mysqlclient
報如下錯誤：
Command "python setup.py egg_info" failed with error code 1 in /private/tmp/pip-build-m9v70gan/mysqlclient/
這個地方有點疑惑：使用pip3命令后，最終調用的是python，而不是python3
查看mysqlclient的源代碼，發現根本原因還是因為沒找到mysql_config，明白過來需要安裝mysql，才能正常安裝mysqlclient
Installed /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/mysqlclient-1.3.10-py3.6-macosx-10.6-intel.egg
Processing dependencies for mysqlclient==1.3.10
Finished processing dependencies for mysqlclient==1.3.10
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