• 3 项目开发


    1 环境安装

    • 新建虚拟环境:mkvirtualenv mxonline

    • 查看已安装:pip list

    • django安装:pip install django==1.9

    • django离线安装:下载个django压缩包,workon XX 进入虚拟环境,进入解压包执行 python setup.py install

    • 安装mysql驱动:pip install MySQL_python-1.2.5-cp27-none-win_amd64.whl

    2 新建项目

    • 虚拟环境位置 C:UsersAaronEnvsmxonlineScriptspython.exe

    •  数据库设置

    1 DATABASES = {
    2     'default': {
    3         'ENGINE': 'django.db.backends.mysql',
    4         'NAME': 'XX',
    5         'USER': 'root',
    6         'PASSWORD': '',
    7         'HOST': '127.0.0.1'
    8     }
    9 }
    • 新建数据库

    • 生成django默认表

    1. 首先执行:Tools > Run manage.py Task 

    2. makemigrations

    3. migrate

    •  启动服务并访问

     3 新建APP

    • 新建app

    1. 首先执行:Tools > Run manage.py Task 

    2. startapp users

    • 编写users的models

     1 #_*_ encoding:utf-8 _*_
     2 from __future__ import unicode_literals
     3 from datetime import datetime
     4 
     5 from django.db import models
     6 from django.contrib.auth.models import AbstractUser
     7 
     8 
     9 class UserProfile(AbstractUser):
    10     nick_name = models.CharField(max_length=50, verbose_name=u'昵称', default='')
    11     birday = models.DateField(verbose_name=u'生日', null=True, blank=True)
    12     gender = models.CharField(max_length=6, choices=(('male', u''), ('female', u'')), default='female')
    13     address = models.CharField(max_length=100, default=u'')
    14     mobile = models.CharField(max_length=11, null=True, blank=True)
    15     image = models.ImageField(upload_to='image/%Y/%m', default=u'image/default.png', max_length=100)
    16 
    17     class Meta:
    18         verbose_name = u'用户信息'
    19         verbose_name_plural = verbose_name
    20 
    21     def __unicode__(self):
    22         return self.username
    23 
    24 
    25 class EmailVerifyRecord(models.Model):
    26     code = models.CharField(max_length=20, verbose_name=u'验证码')
    27     email = models.EmailField(max_length=50, verbose_name=u'邮箱')
    28     send_type = models.CharField(max_length=10, choices=(('register', u'注册'), ('forget', u'忘记密码')))
    29     send_time = models.DateTimeField(default=datetime.now)
    30 
    31     class Meta:
    32         verbose_name = u'邮箱验证码'
    33         verbose_name_plural = verbose_name
    34 
    35 
    36 class Banner(models.Model):
    37     title = models.CharField(max_length=100, verbose_name=u'标题')
    38     image = models.ImageField(max_length=100, upload_to='banner/%Y/%m', verbose_name=u'轮播图')
    39     url = models.URLField(max_length=200, verbose_name=u'访问地址')
    40     index = models.IntegerField(default=100, verbose_name=u'顺序')
    41     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    42 
    43     class Meta:
    44         verbose_name = u'轮播图'
    45         verbose_name_plural = verbose_name
    • 注册app
    1 INSTALLED_APPS = [
    2     'django.contrib.admin',
    3     'django.contrib.auth',
    4     'django.contrib.contenttypes',
    5     'django.contrib.sessions',
    6     'django.contrib.messages',
    7     'django.contrib.staticfiles',
    8     'users'
    9 ]
    • 重载一个setting的方法

     1 AUTH_USER_MODEL = 'users.UserProfile' 

    • 安装Pillow

    1. 错误信息:users.UserProfile.image: (fields.E210) Cannot use ImageField because Pillow is not installed.

    2. 安装:pip install Pillow

    • 生成users app的表

    1. 首先执行:Tools > Run manage.py Task 

    2. makemigrations users

    3. migrate users

    • 新建app

    1. 首先执行:Tools > Run manage.py Task 

    2. startapp courses

    • 编写courses的models

     1 #_*_ encoding:utf-8 _*_
     2 from __future__ import unicode_literals
     3 from datetime import datetime
     4 
     5 from django.db import models
     6 
     7 
     8 class Course(models.Model):
     9     name = models.CharField(max_length=50, verbose_name=u'课程名称')
    10     desc = models.CharField(max_length=300, verbose_name=u'课程描述')
    11     detail = models.TextField(verbose_name=u'课程详情')
    12     degree = models.CharField(max_length=2, choices=(('cj','初级'), ('zj','中级'), ('gj','高级')))
    13     learn_times = models.IntegerField(default=0, verbose_name=u'学习时长(分钟)')
    14     students = models.IntegerField(default=0, verbose_name=u'学习人数')
    15     fav_nums = models.IntegerField(default=0, verbose_name=u'收藏人数')
    16     image = models.ImageField(max_length=100, upload_to='courses/%Y/%m', verbose_name=u'封面图')
    17     click_nums = models.IntegerField(default=0, verbose_name=u'点击数')
    18     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    19 
    20     class Meta:
    21         verbose_name = u'课程'
    22         verbose_name_plural = verbose_name
    23 
    24 
    25 class Lesson(models.Model):
    26     course = models.ForeignKey(Course, verbose_name=u'课程')
    27     name = models.CharField(max_length=100, verbose_name=u'章节名')
    28     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    29 
    30     class Meta:
    31         verbose_name = u'章节'
    32         verbose_name_plural = verbose_name
    33 
    34 
    35 class Video(models.Model):
    36     lesson = models.ForeignKey(Course, verbose_name=u'章节')
    37     name = models.CharField(max_length=100, verbose_name=u'视频名')
    38     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    39 
    40     class Meta:
    41         verbose_name = u'视频'
    42         verbose_name_plural = verbose_name
    43 
    44 
    45 class CourseResource(models.Model):
    46     course = models.ForeignKey(Course, verbose_name=u'课程')
    47     name = models.CharField(max_length=100, verbose_name=u'资源名称')
    48     download = models.FileField(max_length=100, upload_to='course/resource/%Y/%m', verbose_name=u'资源文件')
    49     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    50 
    51     class Meta:
    52         verbose_name = u'课程资源'
    53         verbose_name_plural = verbose_name
    • 新建app

    1. 首先执行:Tools > Run manage.py Task 

    2. startapp organization

    • 编写organization的models

     1 #_*_ encoding:utf-8 _*_
     2 from __future__ import unicode_literals
     3 from datetime import datetime
     4 
     5 from django.db import models
     6 
     7 
     8 class CityDict(models.Model):
     9     name = models.CharField(max_length=20, verbose_name=u'城市')
    10     desc = models.CharField(max_length=200, verbose_name=u'描述')
    11     add_time = models.DateTimeField(default=datetime.now)
    12 
    13     class Meta:
    14         verbose_name = u'城市'
    15         verbose_name_plural = verbose_name
    16 
    17 
    18 class CourseOrg(models.Model):
    19     name = models.CharField(max_length=50, verbose_name=u'机构名称')
    20     desc = models.TextField(verbose_name=u'机构描述')
    21     click_nums = models.IntegerField(default=0, verbose_name=u'点击数')
    22     fav_nums = models.IntegerField(default=0, verbose_name=u'收藏数')
    23     image = models.ImageField(upload_to='org/%Y/%m', verbose_name=u'封面图片')
    24     address = models.CharField(max_length=150, verbose_name=u'机构地址')
    25     city = models.ForeignKey(CityDict, verbose_name=u'所在城市')
    26     add_time = models.DateTimeField(default=datetime.now)
    27 
    28     class Meta:
    29         verbose_name = u'课程机构'
    30         verbose_name_plural = verbose_name
    31 
    32 
    33 class Teacher(models.Model):
    34     org = models.ForeignKey(CourseOrg, verbose_name=u'所属机构')
    35     name = models.CharField(max_length=50, verbose_name=u'教师名')
    36     work_years = models.IntegerField(default=0, verbose_name=u'工作年限')
    37     work_company = models.CharField(max_length=50, verbose_name=u'就职公司')
    38     points = models.CharField(max_length=50, verbose_name=u'教学特点')
    39     click_nums = models.IntegerField(default=0, verbose_name=u'点击数')
    40     fav_nums = models.IntegerField(default=0, verbose_name=u'收藏数')
    41     add_time = models.DateTimeField(default=datetime.now)
    42 
    43     class Meta:
    44         verbose_name = u'教师'
    45         verbose_name_plural = verbose_name
    • 新建app

    1. 首先执行:Tools > Run manage.py Task 

    2. startapp operation

    • 编写operation的models

     1 #_*_ encoding:utf-8 _*_
     2 from __future__ import unicode_literals
     3 from datetime import datetime
     4 
     5 from django.db import models
     6 
     7 from users.models import UserProfile
     8 from courses.models import Course
     9 
    10 
    11 class UserAsk(models.Model):
    12     name = models.CharField(max_length=20, verbose_name=u'姓名')
    13     mobile = models.CharField(max_length=11, verbose_name=u'手机')
    14     course_name = models.CharField(max_length=50, verbose_name=u'课程名')
    15     add_time = models.DateTimeField(datetime.now, verbose_name=u'添加时间')
    16 
    17     class Meta:
    18         verbose_name = u'用户咨询'
    19         verbose_name_plural = verbose_name
    20 
    21 
    22 class CourseComments(models.Model):
    23     user = models.ForeignKey(UserProfile, verbose_name=u'用户')
    24     course = models.ForeignKey(Course, verbose_name=u'课程')
    25     comments = models.CharField(max_length=200, verbose_name=u'评论')
    26     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    27 
    28     class Meta:
    29         verbose_name =u'课程评论'
    30         verbose_name_plural = verbose_name
    31 
    32 
    33 class UserFavorite(models.Model):
    34     user = models.ForeignKey(UserProfile, verbose_name=u'用户')
    35     fav_id = models.IntegerField(default=0, verbose_name=u'数据id')
    36     fav_type = models.IntegerField(default=0, choices=((1,'课程'), (2,'课程机构'), (3,'讲师')), verbose_name=u'收藏类型')
    37     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    38 
    39     class Meta:
    40         verbose_name =u'用户收藏'
    41         verbose_name_plural = verbose_name
    42 
    43 
    44 class UserMessage(models.Model):
    45     user = models.IntegerField(default=0, verbose_name=u'接收用户')
    46     messae = models.CharField(max_length=500, verbose_name=u'消息内容')
    47     has_read = models.BooleanField(default=False, verbose_name=u'是否已读')
    48     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    49 
    50     class Meta:
    51         verbose_name =u'用户消息'
    52         verbose_name_plural = verbose_name
    53 
    54 
    55 class UserCourse(models.Model):
    56     user = models.ForeignKey(UserProfile, verbose_name=u'用户')
    57     course = models.ForeignKey(Course, verbose_name=u'课程')
    58     add_time = models.DateTimeField(default=datetime.now, verbose_name=u'添加时间')
    59 
    60     class Meta:
    61         verbose_name =u'用户课程'
    62         verbose_name_plural = verbose_name
    • 注册app
     1 INSTALLED_APPS = [
     2     'django.contrib.admin',
     3     'django.contrib.auth',
     4     'django.contrib.contenttypes',
     5     'django.contrib.sessions',
     6     'django.contrib.messages',
     7     'django.contrib.staticfiles',
     8     'users',
     9     'course',
    10     'organization',
    11     'operation'
    12 ]
    •  生成数据表

    1. 执行命令:makemigrations

    2. 执行命令:migrate

    4 合并APPS

    • 新建apps

        新建python package,名为apps 

    • Mark Directory as > Source Root

    • 配置setting文件,把apps文件夹加入到python的搜索路径下

    1 import os
    2 import sys
    3 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
    4 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
    5 sys.path.insert(0, os.path.join(BASE_DIR, 'apps'))
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  • 原文地址:https://www.cnblogs.com/lizitest/p/6882636.html
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