[Development] python-Django Django configure MySQL database to explain! ! !

 

Please read the official document: https: //docs.djangoproject.com/en/1.11/ref/databases/#mysql-db-api-drivers

 

Configure MySQL database

1. Create a new MySQL database

1. Create a new MySQL database:

xxx_project 

$ create database xxx_project charset=utf8;

　　

2. New MySQL user

$ create user username identified by '123456';

　　

3. authorized itcastusers access xxx_project database

$ grant all on xxx_project.* to 'username'@'%';

　　

4. After the authorization privileges refresh

$ flush privileges;

　　

 

2. Configure MySQL database

= {DATABASES 
    'default': { 
        'ENGINE': 'django.db.backends.mysql', Database Engine # 
        'HOST': '127.0.0.1', # database host 
        'PORT': 3306, # database port 
        'USER' : 'username', # database user name 
        'pASSWORD': '123456', # database user password 
        'nAME': 'xxx_project' # database name 
    } 
}

　　

 

Possible errors

• Error loading MySQLdb module: No module named 'MySQLdb'.

The error occurs:

• Django MySQL database operation requires a driver MySQLdb
• At present the project in a virtual environment is no driver MySQLdb

Solution:

• Installation PyMySQL Expansion Pack
• Because MySQLdb applies only to Python2.x version, Python3.x versions use PyMySQL alternative MySQLdb

 

3. Install the extension package PyMySQL

1. Install Driver

$ pip install PyMySQL

　　

2. In the subdirectory of the project of the same name __init__.pyfile, add the following code:

import pymysql
pymysql.install_as_MySQLdb()

　　

After the configuration: run the program, the test results.