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  • 1.新建django项目qr

    1.开发环境

    1.系统:

    Windows7

    2.开发工具:

    pycharm

    3.python版本:

    3.6

    4.数据库:

    MySQL

    5.框架:

    django2.0

    2.新建django项目qr

     3.整理目录

    1.新建app

    python manage.py startapp user_operations
    python manage.py startapp good

    2.新建目录

    apps 存放app

    extra_apps 存放第三方包

    static/images、css、js、存放静态文件

    media 存放媒体文件

     4.新建数据库qr

    1.新建数据库

    打开mysql终端:

    show databases; --查看所有数据库
    create database qr default character set utf8 collate utf8_general_ci; --创建数据库qr,因为创建数据表内有中文字段,所以要加default
    show databases; --查看所有数据库

    2.连接数据库

    1.在settings.py中:

    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.mysql',
            'NAME': 'qr',
            'USER':'root',
            'PASSWORD':'数据库密码',
            'HOST':'127.0.0.1',
            "OPTIONS":{"init_command":"SET default_storage_engine=INNODB;"}#第三方登录功能必须加上
        }
    }

     2.安装PyMYSQL:

    pip install PyMYSQL

    3.在qr/qr/__init__.py中加代码:

    import pymysql
    pymysql.install_as_MySQLdb()

    4.在pycharm直接操作数据库:

    jdbc:mysql://localhost:3306/qr?useUnicode=true&characterEncoding=UTF-8&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC

     5.配置

    1.Mark一下apps和extra_apps:

    2.在settings.py中:

    1.配置目录路径:

    import sys
    sys.path.insert(0,BASE_DIR)
    sys.path.insert(0,os.path.join(BASE_DIR,'apps'))
    sys.path.insert(0,os.path.join(BASE_DIR,'extra_apps'))

    2.配置静态文件和媒体文件路径:

    STATIC_URL = '/static/'
    # STATIC_ROOT = os.path.join(BASE_DIR, 'static')
    STATICFILES_DIRS = (
        os.path.join(BASE_DIR, 'static'),
    )
    
    
    MEDIA_URL='/media/'
    MEDIA_ROOT=os.path.join(BASE_DIR,'media')

    'django.template.context_processors.media'

    3.注册app:

        'good.apps.GoodConfig',
        'user_operations.apps.UserOperationsConfig'

    3.在qr/qr/urls.py中:

    from django.contrib import admin
    from django.urls import path
    from django.views.static import serve
    from qr.settings import MEDIA_ROOT
    
    urlpatterns = [
        path('admin/', admin.site.urls),
        path('media/<path:path>',serve,{'document_root':MEDIA_ROOT}),
    ]

    6.新建首页

    1.在templates目录下新建index.html:

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    首页
    </body>
    </html>

    2.在qr/qr/urls.py中:

    from django.contrib import admin
    from django.urls import path,include
    from django.views.static import serve
    from qr.settings import MEDIA_ROOT
    from django.views.generic import TemplateView
    
    urlpatterns = [
        path('admin/', admin.site.urls),
        path('media/<path:path>',serve,{'document_root':MEDIA_ROOT}),
        path('', TemplateView.as_view(template_name='index.html'), name='index'),
    
    ]

    运行项目:

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  • 原文地址:https://www.cnblogs.com/xuepangzi/p/13053280.html
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